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| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing,<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * software distributed under the License is distributed on an<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * KIND, either express or implied. See the License for the<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * specific language governing permissions and limitations<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> * under the License.<a name="line.17"></a> |
| <span class="sourceLineNo">018</span> *<a name="line.18"></a> |
| <span class="sourceLineNo">019</span> */<a name="line.19"></a> |
| <span class="sourceLineNo">020</span>package org.apache.mina.core.buffer;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span><a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.io.EOFException;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.io.IOException;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.io.InputStream;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.io.ObjectInputStream;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.io.ObjectOutputStream;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.io.ObjectStreamClass;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.io.OutputStream;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.io.Serializable;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.io.StreamCorruptedException;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.nio.BufferOverflowException;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import java.nio.BufferUnderflowException;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import java.nio.ByteBuffer;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import java.nio.ByteOrder;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import java.nio.CharBuffer;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import java.nio.DoubleBuffer;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import java.nio.FloatBuffer;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import java.nio.IntBuffer;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import java.nio.LongBuffer;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import java.nio.ShortBuffer;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import java.nio.charset.CharacterCodingException;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import java.nio.charset.CharsetDecoder;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import java.nio.charset.CharsetEncoder;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import java.nio.charset.CoderResult;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import java.util.EnumSet;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import java.util.Set;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span><a name="line.47"></a> |
| <span class="sourceLineNo">048</span>/**<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> * A base implementation of {@link IoBuffer}. This implementation<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> * assumes that {@link IoBuffer#buf()} always returns a correct NIO<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> * {@link ByteBuffer} instance. Most implementations could<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> * extend this class and implement their own buffer management mechanism.<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> *<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> * @author <a href="http://mina.apache.org">Apache MINA Project</a><a name="line.54"></a> |
| <span class="sourceLineNo">055</span> * @see IoBufferAllocator<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> */<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>public abstract class AbstractIoBuffer extends IoBuffer {<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> /** Tells if a buffer has been created from an existing buffer */<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> private final boolean derived;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span><a name="line.60"></a> |
| <span class="sourceLineNo">061</span> /** A flag set to true if the buffer can extend automatically */<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> private boolean autoExpand;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span><a name="line.63"></a> |
| <span class="sourceLineNo">064</span> /** A flag set to true if the buffer can shrink automatically */<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> private boolean autoShrink;<a name="line.65"></a> |
| <span class="sourceLineNo">066</span><a name="line.66"></a> |
| <span class="sourceLineNo">067</span> /** Tells if a buffer can be expanded */<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> private boolean recapacityAllowed = true;<a name="line.68"></a> |
| <span class="sourceLineNo">069</span><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> /** The minimum number of bytes the IoBuffer can hold */<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> private int minimumCapacity;<a name="line.71"></a> |
| <span class="sourceLineNo">072</span><a name="line.72"></a> |
| <span class="sourceLineNo">073</span> /** A mask for a byte */<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> private static final long BYTE_MASK = 0xFFL;<a name="line.74"></a> |
| <span class="sourceLineNo">075</span><a name="line.75"></a> |
| <span class="sourceLineNo">076</span> /** A mask for a short */<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> private static final long SHORT_MASK = 0xFFFFL;<a name="line.77"></a> |
| <span class="sourceLineNo">078</span><a name="line.78"></a> |
| <span class="sourceLineNo">079</span> /** A mask for an int */<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> private static final long INT_MASK = 0xFFFFFFFFL;<a name="line.80"></a> |
| <span class="sourceLineNo">081</span><a name="line.81"></a> |
| <span class="sourceLineNo">082</span> /**<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> * We don't have any access to Buffer.markValue(), so we need to track it down,<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> * which will cause small extra overhead.<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> */<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> private int mark = -1;<a name="line.86"></a> |
| <span class="sourceLineNo">087</span><a name="line.87"></a> |
| <span class="sourceLineNo">088</span> /**<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> * Creates a new parent buffer.<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> * <a name="line.90"></a> |
| <span class="sourceLineNo">091</span> * @param allocator The allocator to use to create new buffers<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> * @param initialCapacity The initial buffer capacity when created<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> */<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> protected AbstractIoBuffer(IoBufferAllocator allocator, int initialCapacity) {<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> setAllocator(allocator);<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> this.recapacityAllowed = true;<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> this.derived = false;<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> this.minimumCapacity = initialCapacity;<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> }<a name="line.99"></a> |
| <span class="sourceLineNo">100</span><a name="line.100"></a> |
| <span class="sourceLineNo">101</span> /**<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> * Creates a new derived buffer. A derived buffer uses an existing<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> * buffer properties - the allocator and capacity -.<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> * <a name="line.104"></a> |
| <span class="sourceLineNo">105</span> * @param parent The buffer we get the properties from<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> */<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> protected AbstractIoBuffer(AbstractIoBuffer parent) {<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> setAllocator(IoBuffer.getAllocator());<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> this.recapacityAllowed = false;<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> this.derived = true;<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> this.minimumCapacity = parent.minimumCapacity;<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> }<a name="line.112"></a> |
| <span class="sourceLineNo">113</span><a name="line.113"></a> |
| <span class="sourceLineNo">114</span> /**<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> * {@inheritDoc}<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> */<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> @Override<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> public final boolean isDirect() {<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> return buf().isDirect();<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> }<a name="line.120"></a> |
| <span class="sourceLineNo">121</span><a name="line.121"></a> |
| <span class="sourceLineNo">122</span> /**<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> * {@inheritDoc}<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> */<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> @Override<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> public final boolean isReadOnly() {<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> return buf().isReadOnly();<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> }<a name="line.128"></a> |
| <span class="sourceLineNo">129</span><a name="line.129"></a> |
| <span class="sourceLineNo">130</span> /**<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> * Sets the underlying NIO buffer instance.<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> * <a name="line.132"></a> |
| <span class="sourceLineNo">133</span> * @param newBuf The buffer to store within this IoBuffer<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> */<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> protected abstract void buf(ByteBuffer newBuf);<a name="line.135"></a> |
| <span class="sourceLineNo">136</span><a name="line.136"></a> |
| <span class="sourceLineNo">137</span> /**<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> * {@inheritDoc}<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> */<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> @Override<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> public final int minimumCapacity() {<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> return minimumCapacity;<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> }<a name="line.143"></a> |
| <span class="sourceLineNo">144</span><a name="line.144"></a> |
| <span class="sourceLineNo">145</span> /**<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> * {@inheritDoc}<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> */<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> @Override<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> public final IoBuffer minimumCapacity(int minimumCapacity) {<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> if (minimumCapacity < 0) {<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> throw new IllegalArgumentException("minimumCapacity: " + minimumCapacity);<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> }<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> this.minimumCapacity = minimumCapacity;<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> return this;<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> }<a name="line.155"></a> |
| <span class="sourceLineNo">156</span><a name="line.156"></a> |
| <span class="sourceLineNo">157</span> /**<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> * {@inheritDoc}<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> */<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> @Override<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> public final int capacity() {<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> return buf().capacity();<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> }<a name="line.163"></a> |
| <span class="sourceLineNo">164</span><a name="line.164"></a> |
| <span class="sourceLineNo">165</span> /**<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> * {@inheritDoc}<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> */<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> @Override<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> public final IoBuffer capacity(int newCapacity) {<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> if (!recapacityAllowed) {<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> throw new IllegalStateException("Derived buffers and their parent can't be expanded.");<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> }<a name="line.172"></a> |
| <span class="sourceLineNo">173</span><a name="line.173"></a> |
| <span class="sourceLineNo">174</span> // Allocate a new buffer and transfer all settings to it.<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> if (newCapacity > capacity()) {<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> // Expand:<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> //// Save the state.<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> int pos = position();<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> int limit = limit();<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> ByteOrder bo = order();<a name="line.180"></a> |
| <span class="sourceLineNo">181</span><a name="line.181"></a> |
| <span class="sourceLineNo">182</span> //// Reallocate.<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> ByteBuffer oldBuf = buf();<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> ByteBuffer newBuf = getAllocator().allocateNioBuffer(newCapacity, isDirect());<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> oldBuf.clear();<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> newBuf.put(oldBuf);<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> buf(newBuf);<a name="line.187"></a> |
| <span class="sourceLineNo">188</span><a name="line.188"></a> |
| <span class="sourceLineNo">189</span> //// Restore the state.<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> buf().limit(limit);<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> if (mark >= 0) {<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> buf().position(mark);<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> buf().mark();<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> }<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> buf().position(pos);<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> buf().order(bo);<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> }<a name="line.197"></a> |
| <span class="sourceLineNo">198</span><a name="line.198"></a> |
| <span class="sourceLineNo">199</span> return this;<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> }<a name="line.200"></a> |
| <span class="sourceLineNo">201</span><a name="line.201"></a> |
| <span class="sourceLineNo">202</span> /**<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> * {@inheritDoc}<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> */<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> @Override<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> public final boolean isAutoExpand() {<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> return autoExpand && recapacityAllowed;<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> }<a name="line.208"></a> |
| <span class="sourceLineNo">209</span><a name="line.209"></a> |
| <span class="sourceLineNo">210</span> /**<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> * {@inheritDoc}<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> */<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> @Override<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> public final boolean isAutoShrink() {<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> return autoShrink && recapacityAllowed;<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> }<a name="line.216"></a> |
| <span class="sourceLineNo">217</span><a name="line.217"></a> |
| <span class="sourceLineNo">218</span> /**<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> * {@inheritDoc}<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> */<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> @Override<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> public final boolean isDerived() {<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> return derived;<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> }<a name="line.224"></a> |
| <span class="sourceLineNo">225</span><a name="line.225"></a> |
| <span class="sourceLineNo">226</span> /**<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> * {@inheritDoc}<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> */<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> @Override<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> public final IoBuffer setAutoExpand(boolean autoExpand) {<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> if (!recapacityAllowed) {<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> throw new IllegalStateException("Derived buffers and their parent can't be expanded.");<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> }<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> this.autoExpand = autoExpand;<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> return this;<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> }<a name="line.236"></a> |
| <span class="sourceLineNo">237</span><a name="line.237"></a> |
| <span class="sourceLineNo">238</span> /**<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> * {@inheritDoc}<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> */<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> @Override<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> public final IoBuffer setAutoShrink(boolean autoShrink) {<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> if (!recapacityAllowed) {<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> throw new IllegalStateException("Derived buffers and their parent can't be shrinked.");<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> }<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> this.autoShrink = autoShrink;<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> return this;<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> }<a name="line.248"></a> |
| <span class="sourceLineNo">249</span><a name="line.249"></a> |
| <span class="sourceLineNo">250</span> /**<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> * {@inheritDoc}<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> */<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> @Override<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> public final IoBuffer expand(int expectedRemaining) {<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> return expand(position(), expectedRemaining, false);<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> }<a name="line.256"></a> |
| <span class="sourceLineNo">257</span><a name="line.257"></a> |
| <span class="sourceLineNo">258</span> private IoBuffer expand(int expectedRemaining, boolean autoExpand) {<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> return expand(position(), expectedRemaining, autoExpand);<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> }<a name="line.260"></a> |
| <span class="sourceLineNo">261</span><a name="line.261"></a> |
| <span class="sourceLineNo">262</span> /**<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> * {@inheritDoc}<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> */<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> @Override<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> public final IoBuffer expand(int pos, int expectedRemaining) {<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> return expand(pos, expectedRemaining, false);<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> }<a name="line.268"></a> |
| <span class="sourceLineNo">269</span><a name="line.269"></a> |
| <span class="sourceLineNo">270</span> private IoBuffer expand(int pos, int expectedRemaining, boolean autoExpand) {<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> if (!recapacityAllowed) {<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> throw new IllegalStateException("Derived buffers and their parent can't be expanded.");<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> }<a name="line.273"></a> |
| <span class="sourceLineNo">274</span><a name="line.274"></a> |
| <span class="sourceLineNo">275</span> int end = pos + expectedRemaining;<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> int newCapacity;<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> <a name="line.277"></a> |
| <span class="sourceLineNo">278</span> if (autoExpand) {<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> newCapacity = IoBuffer.normalizeCapacity(end);<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> } else {<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> newCapacity = end;<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> }<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> if (newCapacity > capacity()) {<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> // The buffer needs expansion.<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> capacity(newCapacity);<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> }<a name="line.286"></a> |
| <span class="sourceLineNo">287</span><a name="line.287"></a> |
| <span class="sourceLineNo">288</span> if (end > limit()) {<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> // We call limit() directly to prevent StackOverflowError<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> buf().limit(end);<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> }<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> return this;<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> }<a name="line.293"></a> |
| <span class="sourceLineNo">294</span><a name="line.294"></a> |
| <span class="sourceLineNo">295</span> /**<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> * {@inheritDoc}<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> */<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> @Override<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> public final IoBuffer shrink() {<a name="line.299"></a> |
| <span class="sourceLineNo">300</span><a name="line.300"></a> |
| <span class="sourceLineNo">301</span> if (!recapacityAllowed) {<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> throw new IllegalStateException("Derived buffers and their parent can't be expanded.");<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> }<a name="line.303"></a> |
| <span class="sourceLineNo">304</span><a name="line.304"></a> |
| <span class="sourceLineNo">305</span> int position = position();<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> int capacity = capacity();<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> int limit = limit();<a name="line.307"></a> |
| <span class="sourceLineNo">308</span><a name="line.308"></a> |
| <span class="sourceLineNo">309</span> if (capacity == limit) {<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> return this;<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> }<a name="line.311"></a> |
| <span class="sourceLineNo">312</span><a name="line.312"></a> |
| <span class="sourceLineNo">313</span> int newCapacity = capacity;<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> int minCapacity = Math.max(minimumCapacity, limit);<a name="line.314"></a> |
| <span class="sourceLineNo">315</span><a name="line.315"></a> |
| <span class="sourceLineNo">316</span> for (;;) {<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> if (newCapacity >>> 1 < minCapacity) {<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> break;<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> }<a name="line.319"></a> |
| <span class="sourceLineNo">320</span><a name="line.320"></a> |
| <span class="sourceLineNo">321</span> newCapacity >>>= 1;<a name="line.321"></a> |
| <span class="sourceLineNo">322</span><a name="line.322"></a> |
| <span class="sourceLineNo">323</span> if (minCapacity == 0) {<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> break;<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> }<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> }<a name="line.326"></a> |
| <span class="sourceLineNo">327</span><a name="line.327"></a> |
| <span class="sourceLineNo">328</span> newCapacity = Math.max(minCapacity, newCapacity);<a name="line.328"></a> |
| <span class="sourceLineNo">329</span><a name="line.329"></a> |
| <span class="sourceLineNo">330</span> if (newCapacity == capacity) {<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> return this;<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> }<a name="line.332"></a> |
| <span class="sourceLineNo">333</span><a name="line.333"></a> |
| <span class="sourceLineNo">334</span> // Shrink and compact:<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> //// Save the state.<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> ByteOrder bo = order();<a name="line.336"></a> |
| <span class="sourceLineNo">337</span><a name="line.337"></a> |
| <span class="sourceLineNo">338</span> //// Reallocate.<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> ByteBuffer oldBuf = buf();<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> ByteBuffer newBuf = getAllocator().allocateNioBuffer(newCapacity, isDirect());<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> oldBuf.position(0);<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> oldBuf.limit(limit);<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> newBuf.put(oldBuf);<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> buf(newBuf);<a name="line.344"></a> |
| <span class="sourceLineNo">345</span><a name="line.345"></a> |
| <span class="sourceLineNo">346</span> //// Restore the state.<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> buf().position(position);<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> buf().limit(limit);<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> buf().order(bo);<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> mark = -1;<a name="line.350"></a> |
| <span class="sourceLineNo">351</span><a name="line.351"></a> |
| <span class="sourceLineNo">352</span> return this;<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> }<a name="line.353"></a> |
| <span class="sourceLineNo">354</span><a name="line.354"></a> |
| <span class="sourceLineNo">355</span> /**<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> * {@inheritDoc}<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> */<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> @Override<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> public final int position() {<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> return buf().position();<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> }<a name="line.361"></a> |
| <span class="sourceLineNo">362</span><a name="line.362"></a> |
| <span class="sourceLineNo">363</span> /**<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> * {@inheritDoc}<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> */<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> @Override<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> public final IoBuffer position(int newPosition) {<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> autoExpand(newPosition, 0);<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> buf().position(newPosition);<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> <a name="line.370"></a> |
| <span class="sourceLineNo">371</span> if (mark > newPosition) {<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> mark = -1;<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> }<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> <a name="line.374"></a> |
| <span class="sourceLineNo">375</span> return this;<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> }<a name="line.376"></a> |
| <span class="sourceLineNo">377</span><a name="line.377"></a> |
| <span class="sourceLineNo">378</span> /**<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> * {@inheritDoc}<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> */<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> @Override<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> public final int limit() {<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> return buf().limit();<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> }<a name="line.384"></a> |
| <span class="sourceLineNo">385</span><a name="line.385"></a> |
| <span class="sourceLineNo">386</span> /**<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> * {@inheritDoc}<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> */<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> @Override<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> public final IoBuffer limit(int newLimit) {<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> autoExpand(newLimit, 0);<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> buf().limit(newLimit);<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> if (mark > newLimit) {<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> mark = -1;<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> }<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> return this;<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> }<a name="line.397"></a> |
| <span class="sourceLineNo">398</span><a name="line.398"></a> |
| <span class="sourceLineNo">399</span> /**<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> * {@inheritDoc}<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> */<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> @Override<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> public final IoBuffer mark() {<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> ByteBuffer byteBuffer = buf();<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> byteBuffer.mark();<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> mark = byteBuffer.position();<a name="line.406"></a> |
| <span class="sourceLineNo">407</span><a name="line.407"></a> |
| <span class="sourceLineNo">408</span> return this;<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> }<a name="line.409"></a> |
| <span class="sourceLineNo">410</span><a name="line.410"></a> |
| <span class="sourceLineNo">411</span> /**<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> * {@inheritDoc}<a name="line.412"></a> |
| <span class="sourceLineNo">413</span> */<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> @Override<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> public final int markValue() {<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> return mark;<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> }<a name="line.417"></a> |
| <span class="sourceLineNo">418</span><a name="line.418"></a> |
| <span class="sourceLineNo">419</span> /**<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> * {@inheritDoc}<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> */<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> @Override<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> public final IoBuffer reset() {<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> buf().reset();<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> return this;<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> }<a name="line.426"></a> |
| <span class="sourceLineNo">427</span><a name="line.427"></a> |
| <span class="sourceLineNo">428</span> /**<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> * {@inheritDoc}<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> */<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> @Override<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> public final IoBuffer clear() {<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> buf().clear();<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> mark = -1;<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> return this;<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> }<a name="line.436"></a> |
| <span class="sourceLineNo">437</span><a name="line.437"></a> |
| <span class="sourceLineNo">438</span> /**<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> * {@inheritDoc}<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> */<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> @Override<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> public final IoBuffer sweep() {<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> clear();<a name="line.443"></a> |
| <span class="sourceLineNo">444</span> return fillAndReset(remaining());<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> }<a name="line.445"></a> |
| <span class="sourceLineNo">446</span><a name="line.446"></a> |
| <span class="sourceLineNo">447</span> /**<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> * {@inheritDoc}<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> */<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> @Override<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> public final IoBuffer sweep(byte value) {<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> clear();<a name="line.452"></a> |
| <span class="sourceLineNo">453</span> return fillAndReset(value, remaining());<a name="line.453"></a> |
| <span class="sourceLineNo">454</span> }<a name="line.454"></a> |
| <span class="sourceLineNo">455</span><a name="line.455"></a> |
| <span class="sourceLineNo">456</span> /**<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> * {@inheritDoc}<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> */<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> @Override<a name="line.459"></a> |
| <span class="sourceLineNo">460</span> public final IoBuffer flip() {<a name="line.460"></a> |
| <span class="sourceLineNo">461</span> buf().flip();<a name="line.461"></a> |
| <span class="sourceLineNo">462</span> mark = -1;<a name="line.462"></a> |
| <span class="sourceLineNo">463</span> return this;<a name="line.463"></a> |
| <span class="sourceLineNo">464</span> }<a name="line.464"></a> |
| <span class="sourceLineNo">465</span><a name="line.465"></a> |
| <span class="sourceLineNo">466</span> /**<a name="line.466"></a> |
| <span class="sourceLineNo">467</span> * {@inheritDoc}<a name="line.467"></a> |
| <span class="sourceLineNo">468</span> */<a name="line.468"></a> |
| <span class="sourceLineNo">469</span> @Override<a name="line.469"></a> |
| <span class="sourceLineNo">470</span> public final IoBuffer rewind() {<a name="line.470"></a> |
| <span class="sourceLineNo">471</span> buf().rewind();<a name="line.471"></a> |
| <span class="sourceLineNo">472</span> mark = -1;<a name="line.472"></a> |
| <span class="sourceLineNo">473</span> return this;<a name="line.473"></a> |
| <span class="sourceLineNo">474</span> }<a name="line.474"></a> |
| <span class="sourceLineNo">475</span><a name="line.475"></a> |
| <span class="sourceLineNo">476</span> /**<a name="line.476"></a> |
| <span class="sourceLineNo">477</span> * {@inheritDoc}<a name="line.477"></a> |
| <span class="sourceLineNo">478</span> */<a name="line.478"></a> |
| <span class="sourceLineNo">479</span> @Override<a name="line.479"></a> |
| <span class="sourceLineNo">480</span> public final int remaining() {<a name="line.480"></a> |
| <span class="sourceLineNo">481</span> ByteBuffer byteBuffer = buf();<a name="line.481"></a> |
| <span class="sourceLineNo">482</span><a name="line.482"></a> |
| <span class="sourceLineNo">483</span> return byteBuffer.limit() - byteBuffer.position();<a name="line.483"></a> |
| <span class="sourceLineNo">484</span> }<a name="line.484"></a> |
| <span class="sourceLineNo">485</span><a name="line.485"></a> |
| <span class="sourceLineNo">486</span> /**<a name="line.486"></a> |
| <span class="sourceLineNo">487</span> * {@inheritDoc}<a name="line.487"></a> |
| <span class="sourceLineNo">488</span> */<a name="line.488"></a> |
| <span class="sourceLineNo">489</span> @Override<a name="line.489"></a> |
| <span class="sourceLineNo">490</span> public final boolean hasRemaining() {<a name="line.490"></a> |
| <span class="sourceLineNo">491</span> ByteBuffer byteBuffer = buf();<a name="line.491"></a> |
| <span class="sourceLineNo">492</span><a name="line.492"></a> |
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| <span class="sourceLineNo">495</span><a name="line.495"></a> |
| <span class="sourceLineNo">496</span> /**<a name="line.496"></a> |
| <span class="sourceLineNo">497</span> * {@inheritDoc}<a name="line.497"></a> |
| <span class="sourceLineNo">498</span> */<a name="line.498"></a> |
| <span class="sourceLineNo">499</span> @Override<a name="line.499"></a> |
| <span class="sourceLineNo">500</span> public final byte get() {<a name="line.500"></a> |
| <span class="sourceLineNo">501</span> return buf().get();<a name="line.501"></a> |
| <span class="sourceLineNo">502</span> }<a name="line.502"></a> |
| <span class="sourceLineNo">503</span><a name="line.503"></a> |
| <span class="sourceLineNo">504</span> /**<a name="line.504"></a> |
| <span class="sourceLineNo">505</span> * {@inheritDoc}<a name="line.505"></a> |
| <span class="sourceLineNo">506</span> */<a name="line.506"></a> |
| <span class="sourceLineNo">507</span> @Override<a name="line.507"></a> |
| <span class="sourceLineNo">508</span> public final short getUnsigned() {<a name="line.508"></a> |
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| <span class="sourceLineNo">511</span><a name="line.511"></a> |
| <span class="sourceLineNo">512</span> /**<a name="line.512"></a> |
| <span class="sourceLineNo">513</span> * {@inheritDoc}<a name="line.513"></a> |
| <span class="sourceLineNo">514</span> */<a name="line.514"></a> |
| <span class="sourceLineNo">515</span> @Override<a name="line.515"></a> |
| <span class="sourceLineNo">516</span> public final IoBuffer put(byte b) {<a name="line.516"></a> |
| <span class="sourceLineNo">517</span> autoExpand(1);<a name="line.517"></a> |
| <span class="sourceLineNo">518</span> buf().put(b);<a name="line.518"></a> |
| <span class="sourceLineNo">519</span> return this;<a name="line.519"></a> |
| <span class="sourceLineNo">520</span> }<a name="line.520"></a> |
| <span class="sourceLineNo">521</span><a name="line.521"></a> |
| <span class="sourceLineNo">522</span> /**<a name="line.522"></a> |
| <span class="sourceLineNo">523</span> * {@inheritDoc}<a name="line.523"></a> |
| <span class="sourceLineNo">524</span> */<a name="line.524"></a> |
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| <span class="sourceLineNo">526</span> autoExpand(1);<a name="line.526"></a> |
| <span class="sourceLineNo">527</span> buf().put((byte) (value & 0xff));<a name="line.527"></a> |
| <span class="sourceLineNo">528</span> return this;<a name="line.528"></a> |
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| <span class="sourceLineNo">530</span><a name="line.530"></a> |
| <span class="sourceLineNo">531</span> /**<a name="line.531"></a> |
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| <span class="sourceLineNo">597</span> @Override<a name="line.597"></a> |
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| <span class="sourceLineNo">644</span> autoExpand(length);<a name="line.644"></a> |
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| <span class="sourceLineNo">705</span> @Override<a name="line.705"></a> |
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| <span class="sourceLineNo">709</span><a name="line.709"></a> |
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| <span class="sourceLineNo">726</span><a name="line.726"></a> |
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| <span class="sourceLineNo">730</span> @Override<a name="line.730"></a> |
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| <span class="sourceLineNo">736</span><a name="line.736"></a> |
| <span class="sourceLineNo">737</span> /**<a name="line.737"></a> |
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| <span class="sourceLineNo">758</span> @Override<a name="line.758"></a> |
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| <span class="sourceLineNo">762</span><a name="line.762"></a> |
| <span class="sourceLineNo">763</span> /**<a name="line.763"></a> |
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| <span class="sourceLineNo">770</span><a name="line.770"></a> |
| <span class="sourceLineNo">771</span> /**<a name="line.771"></a> |
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| <span class="sourceLineNo">774</span> @Override<a name="line.774"></a> |
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| <span class="sourceLineNo">776</span> autoExpand(2);<a name="line.776"></a> |
| <span class="sourceLineNo">777</span> buf().putShort(value);<a name="line.777"></a> |
| <span class="sourceLineNo">778</span> return this;<a name="line.778"></a> |
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| <span class="sourceLineNo">780</span><a name="line.780"></a> |
| <span class="sourceLineNo">781</span> /**<a name="line.781"></a> |
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| <span class="sourceLineNo">784</span> @Override<a name="line.784"></a> |
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| <span class="sourceLineNo">788</span><a name="line.788"></a> |
| <span class="sourceLineNo">789</span> /**<a name="line.789"></a> |
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| <span class="sourceLineNo">791</span> */<a name="line.791"></a> |
| <span class="sourceLineNo">792</span> @Override<a name="line.792"></a> |
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| <span class="sourceLineNo">794</span> autoExpand(index, 2);<a name="line.794"></a> |
| <span class="sourceLineNo">795</span> buf().putShort(index, value);<a name="line.795"></a> |
| <span class="sourceLineNo">796</span> return this;<a name="line.796"></a> |
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| <span class="sourceLineNo">798</span><a name="line.798"></a> |
| <span class="sourceLineNo">799</span> /**<a name="line.799"></a> |
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| <span class="sourceLineNo">1242</span><a name="line.1242"></a> |
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| <span class="sourceLineNo">1259</span> h = 31 * h + get(i);<a name="line.1259"></a> |
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| <span class="sourceLineNo">1263</span><a name="line.1263"></a> |
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| <span class="sourceLineNo">1272</span><a name="line.1272"></a> |
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| <span class="sourceLineNo">1277</span><a name="line.1277"></a> |
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| <span class="sourceLineNo">1303</span><a name="line.1303"></a> |
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| <span class="sourceLineNo">1308</span><a name="line.1308"></a> |
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| <span class="sourceLineNo">1758</span><a name="line.1758"></a> |
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| <span class="sourceLineNo">1762</span> CoderResult cr;<a name="line.1762"></a> |
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| <span class="sourceLineNo">1768</span><a name="line.1768"></a> |
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| <span class="sourceLineNo">1771</span> }<a name="line.1771"></a> |
| <span class="sourceLineNo">1772</span><a name="line.1772"></a> |
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| <span class="sourceLineNo">1777</span> out = o;<a name="line.1777"></a> |
| <span class="sourceLineNo">1778</span> continue;<a name="line.1778"></a> |
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| <span class="sourceLineNo">1793</span><a name="line.1793"></a> |
| <span class="sourceLineNo">1794</span> /**<a name="line.1794"></a> |
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| <span class="sourceLineNo">1802</span><a name="line.1802"></a> |
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| <span class="sourceLineNo">1804</span> encoder.reset();<a name="line.1804"></a> |
| <span class="sourceLineNo">1805</span><a name="line.1805"></a> |
| <span class="sourceLineNo">1806</span> int expandedState = 0;<a name="line.1806"></a> |
| <span class="sourceLineNo">1807</span><a name="line.1807"></a> |
| <span class="sourceLineNo">1808</span> for (;;) {<a name="line.1808"></a> |
| <span class="sourceLineNo">1809</span> CoderResult cr;<a name="line.1809"></a> |
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| <span class="sourceLineNo">1811</span> cr = encoder.encode(in, buf(), true);<a name="line.1811"></a> |
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| <span class="sourceLineNo">1815</span><a name="line.1815"></a> |
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| <span class="sourceLineNo">2567</span> "%d is too large of an ordinal to convert to the enum %s", i, enumClass.getName()));<a name="line.2567"></a> |
| <span class="sourceLineNo">2568</span> }<a name="line.2568"></a> |
| <span class="sourceLineNo">2569</span> return enumConstants[i];<a name="line.2569"></a> |
| <span class="sourceLineNo">2570</span> }<a name="line.2570"></a> |
| <span class="sourceLineNo">2571</span><a name="line.2571"></a> |
| <span class="sourceLineNo">2572</span> private String enumConversionErrorMessage(Enum<?> e, String type) {<a name="line.2572"></a> |
| <span class="sourceLineNo">2573</span> return String.format("%s.%s has an ordinal value too large for a %s", e.getClass().getName(), e.name(), type);<a name="line.2573"></a> |
| <span class="sourceLineNo">2574</span> }<a name="line.2574"></a> |
| <span class="sourceLineNo">2575</span><a name="line.2575"></a> |
| <span class="sourceLineNo">2576</span> /**<a name="line.2576"></a> |
| <span class="sourceLineNo">2577</span> * {@inheritDoc}<a name="line.2577"></a> |
| <span class="sourceLineNo">2578</span> */<a name="line.2578"></a> |
| <span class="sourceLineNo">2579</span> @Override<a name="line.2579"></a> |
| <span class="sourceLineNo">2580</span> public <E extends Enum<E>> EnumSet<E> getEnumSet(Class<E> enumClass) {<a name="line.2580"></a> |
| <span class="sourceLineNo">2581</span> return toEnumSet(enumClass, get() & BYTE_MASK);<a name="line.2581"></a> |
| <span class="sourceLineNo">2582</span> }<a name="line.2582"></a> |
| <span class="sourceLineNo">2583</span><a name="line.2583"></a> |
| <span class="sourceLineNo">2584</span> /**<a name="line.2584"></a> |
| <span class="sourceLineNo">2585</span> * {@inheritDoc}<a name="line.2585"></a> |
| <span class="sourceLineNo">2586</span> */<a name="line.2586"></a> |
| <span class="sourceLineNo">2587</span> @Override<a name="line.2587"></a> |
| <span class="sourceLineNo">2588</span> public <E extends Enum<E>> EnumSet<E> getEnumSet(int index, Class<E> enumClass) {<a name="line.2588"></a> |
| <span class="sourceLineNo">2589</span> return toEnumSet(enumClass, get(index) & BYTE_MASK);<a name="line.2589"></a> |
| <span class="sourceLineNo">2590</span> }<a name="line.2590"></a> |
| <span class="sourceLineNo">2591</span><a name="line.2591"></a> |
| <span class="sourceLineNo">2592</span> /**<a name="line.2592"></a> |
| <span class="sourceLineNo">2593</span> * {@inheritDoc}<a name="line.2593"></a> |
| <span class="sourceLineNo">2594</span> */<a name="line.2594"></a> |
| <span class="sourceLineNo">2595</span> @Override<a name="line.2595"></a> |
| <span class="sourceLineNo">2596</span> public <E extends Enum<E>> EnumSet<E> getEnumSetShort(Class<E> enumClass) {<a name="line.2596"></a> |
| <span class="sourceLineNo">2597</span> return toEnumSet(enumClass, getShort() & SHORT_MASK);<a name="line.2597"></a> |
| <span class="sourceLineNo">2598</span> }<a name="line.2598"></a> |
| <span class="sourceLineNo">2599</span><a name="line.2599"></a> |
| <span class="sourceLineNo">2600</span> /**<a name="line.2600"></a> |
| <span class="sourceLineNo">2601</span> * {@inheritDoc}<a name="line.2601"></a> |
| <span class="sourceLineNo">2602</span> */<a name="line.2602"></a> |
| <span class="sourceLineNo">2603</span> @Override<a name="line.2603"></a> |
| <span class="sourceLineNo">2604</span> public <E extends Enum<E>> EnumSet<E> getEnumSetShort(int index, Class<E> enumClass) {<a name="line.2604"></a> |
| <span class="sourceLineNo">2605</span> return toEnumSet(enumClass, getShort(index) & SHORT_MASK);<a name="line.2605"></a> |
| <span class="sourceLineNo">2606</span> }<a name="line.2606"></a> |
| <span class="sourceLineNo">2607</span><a name="line.2607"></a> |
| <span class="sourceLineNo">2608</span> /**<a name="line.2608"></a> |
| <span class="sourceLineNo">2609</span> * {@inheritDoc}<a name="line.2609"></a> |
| <span class="sourceLineNo">2610</span> */<a name="line.2610"></a> |
| <span class="sourceLineNo">2611</span> @Override<a name="line.2611"></a> |
| <span class="sourceLineNo">2612</span> public <E extends Enum<E>> EnumSet<E> getEnumSetInt(Class<E> enumClass) {<a name="line.2612"></a> |
| <span class="sourceLineNo">2613</span> return toEnumSet(enumClass, getInt() & INT_MASK);<a name="line.2613"></a> |
| <span class="sourceLineNo">2614</span> }<a name="line.2614"></a> |
| <span class="sourceLineNo">2615</span><a name="line.2615"></a> |
| <span class="sourceLineNo">2616</span> /**<a name="line.2616"></a> |
| <span class="sourceLineNo">2617</span> * {@inheritDoc}<a name="line.2617"></a> |
| <span class="sourceLineNo">2618</span> */<a name="line.2618"></a> |
| <span class="sourceLineNo">2619</span> @Override<a name="line.2619"></a> |
| <span class="sourceLineNo">2620</span> public <E extends Enum<E>> EnumSet<E> getEnumSetInt(int index, Class<E> enumClass) {<a name="line.2620"></a> |
| <span class="sourceLineNo">2621</span> return toEnumSet(enumClass, getInt(index) & INT_MASK);<a name="line.2621"></a> |
| <span class="sourceLineNo">2622</span> }<a name="line.2622"></a> |
| <span class="sourceLineNo">2623</span><a name="line.2623"></a> |
| <span class="sourceLineNo">2624</span> /**<a name="line.2624"></a> |
| <span class="sourceLineNo">2625</span> * {@inheritDoc}<a name="line.2625"></a> |
| <span class="sourceLineNo">2626</span> */<a name="line.2626"></a> |
| <span class="sourceLineNo">2627</span> @Override<a name="line.2627"></a> |
| <span class="sourceLineNo">2628</span> public <E extends Enum<E>> EnumSet<E> getEnumSetLong(Class<E> enumClass) {<a name="line.2628"></a> |
| <span class="sourceLineNo">2629</span> return toEnumSet(enumClass, getLong());<a name="line.2629"></a> |
| <span class="sourceLineNo">2630</span> }<a name="line.2630"></a> |
| <span class="sourceLineNo">2631</span><a name="line.2631"></a> |
| <span class="sourceLineNo">2632</span> /**<a name="line.2632"></a> |
| <span class="sourceLineNo">2633</span> * {@inheritDoc}<a name="line.2633"></a> |
| <span class="sourceLineNo">2634</span> */<a name="line.2634"></a> |
| <span class="sourceLineNo">2635</span> @Override<a name="line.2635"></a> |
| <span class="sourceLineNo">2636</span> public <E extends Enum<E>> EnumSet<E> getEnumSetLong(int index, Class<E> enumClass) {<a name="line.2636"></a> |
| <span class="sourceLineNo">2637</span> return toEnumSet(enumClass, getLong(index));<a name="line.2637"></a> |
| <span class="sourceLineNo">2638</span> }<a name="line.2638"></a> |
| <span class="sourceLineNo">2639</span><a name="line.2639"></a> |
| <span class="sourceLineNo">2640</span> private <E extends Enum<E>> EnumSet<E> toEnumSet(Class<E> clazz, long vector) {<a name="line.2640"></a> |
| <span class="sourceLineNo">2641</span> EnumSet<E> set = EnumSet.noneOf(clazz);<a name="line.2641"></a> |
| <span class="sourceLineNo">2642</span> long mask = 1;<a name="line.2642"></a> |
| <span class="sourceLineNo">2643</span> for (E e : clazz.getEnumConstants()) {<a name="line.2643"></a> |
| <span class="sourceLineNo">2644</span> if ((mask & vector) == mask) {<a name="line.2644"></a> |
| <span class="sourceLineNo">2645</span> set.add(e);<a name="line.2645"></a> |
| <span class="sourceLineNo">2646</span> }<a name="line.2646"></a> |
| <span class="sourceLineNo">2647</span> mask <<= 1;<a name="line.2647"></a> |
| <span class="sourceLineNo">2648</span> }<a name="line.2648"></a> |
| <span class="sourceLineNo">2649</span> return set;<a name="line.2649"></a> |
| <span class="sourceLineNo">2650</span> }<a name="line.2650"></a> |
| <span class="sourceLineNo">2651</span><a name="line.2651"></a> |
| <span class="sourceLineNo">2652</span> /**<a name="line.2652"></a> |
| <span class="sourceLineNo">2653</span> * {@inheritDoc}<a name="line.2653"></a> |
| <span class="sourceLineNo">2654</span> */<a name="line.2654"></a> |
| <span class="sourceLineNo">2655</span> @Override<a name="line.2655"></a> |
| <span class="sourceLineNo">2656</span> public <E extends Enum<E>> IoBuffer putEnumSet(Set<E> set) {<a name="line.2656"></a> |
| <span class="sourceLineNo">2657</span> long vector = toLong(set);<a name="line.2657"></a> |
| <span class="sourceLineNo">2658</span> if ((vector & ~BYTE_MASK) != 0) {<a name="line.2658"></a> |
| <span class="sourceLineNo">2659</span> throw new IllegalArgumentException("The enum set is too large to fit in a byte: " + set);<a name="line.2659"></a> |
| <span class="sourceLineNo">2660</span> }<a name="line.2660"></a> |
| <span class="sourceLineNo">2661</span> return put((byte) vector);<a name="line.2661"></a> |
| <span class="sourceLineNo">2662</span> }<a name="line.2662"></a> |
| <span class="sourceLineNo">2663</span><a name="line.2663"></a> |
| <span class="sourceLineNo">2664</span> /**<a name="line.2664"></a> |
| <span class="sourceLineNo">2665</span> * {@inheritDoc}<a name="line.2665"></a> |
| <span class="sourceLineNo">2666</span> */<a name="line.2666"></a> |
| <span class="sourceLineNo">2667</span> @Override<a name="line.2667"></a> |
| <span class="sourceLineNo">2668</span> public <E extends Enum<E>> IoBuffer putEnumSet(int index, Set<E> set) {<a name="line.2668"></a> |
| <span class="sourceLineNo">2669</span> long vector = toLong(set);<a name="line.2669"></a> |
| <span class="sourceLineNo">2670</span> if ((vector & ~BYTE_MASK) != 0) {<a name="line.2670"></a> |
| <span class="sourceLineNo">2671</span> throw new IllegalArgumentException("The enum set is too large to fit in a byte: " + set);<a name="line.2671"></a> |
| <span class="sourceLineNo">2672</span> }<a name="line.2672"></a> |
| <span class="sourceLineNo">2673</span> return put(index, (byte) vector);<a name="line.2673"></a> |
| <span class="sourceLineNo">2674</span> }<a name="line.2674"></a> |
| <span class="sourceLineNo">2675</span><a name="line.2675"></a> |
| <span class="sourceLineNo">2676</span> /**<a name="line.2676"></a> |
| <span class="sourceLineNo">2677</span> * {@inheritDoc}<a name="line.2677"></a> |
| <span class="sourceLineNo">2678</span> */<a name="line.2678"></a> |
| <span class="sourceLineNo">2679</span> @Override<a name="line.2679"></a> |
| <span class="sourceLineNo">2680</span> public <E extends Enum<E>> IoBuffer putEnumSetShort(Set<E> set) {<a name="line.2680"></a> |
| <span class="sourceLineNo">2681</span> long vector = toLong(set);<a name="line.2681"></a> |
| <span class="sourceLineNo">2682</span> if ((vector & ~SHORT_MASK) != 0) {<a name="line.2682"></a> |
| <span class="sourceLineNo">2683</span> throw new IllegalArgumentException("The enum set is too large to fit in a short: " + set);<a name="line.2683"></a> |
| <span class="sourceLineNo">2684</span> }<a name="line.2684"></a> |
| <span class="sourceLineNo">2685</span> return putShort((short) vector);<a name="line.2685"></a> |
| <span class="sourceLineNo">2686</span> }<a name="line.2686"></a> |
| <span class="sourceLineNo">2687</span><a name="line.2687"></a> |
| <span class="sourceLineNo">2688</span> /**<a name="line.2688"></a> |
| <span class="sourceLineNo">2689</span> * {@inheritDoc}<a name="line.2689"></a> |
| <span class="sourceLineNo">2690</span> */<a name="line.2690"></a> |
| <span class="sourceLineNo">2691</span> @Override<a name="line.2691"></a> |
| <span class="sourceLineNo">2692</span> public <E extends Enum<E>> IoBuffer putEnumSetShort(int index, Set<E> set) {<a name="line.2692"></a> |
| <span class="sourceLineNo">2693</span> long vector = toLong(set);<a name="line.2693"></a> |
| <span class="sourceLineNo">2694</span> if ((vector & ~SHORT_MASK) != 0) {<a name="line.2694"></a> |
| <span class="sourceLineNo">2695</span> throw new IllegalArgumentException("The enum set is too large to fit in a short: " + set);<a name="line.2695"></a> |
| <span class="sourceLineNo">2696</span> }<a name="line.2696"></a> |
| <span class="sourceLineNo">2697</span> return putShort(index, (short) vector);<a name="line.2697"></a> |
| <span class="sourceLineNo">2698</span> }<a name="line.2698"></a> |
| <span class="sourceLineNo">2699</span><a name="line.2699"></a> |
| <span class="sourceLineNo">2700</span> /**<a name="line.2700"></a> |
| <span class="sourceLineNo">2701</span> * {@inheritDoc}<a name="line.2701"></a> |
| <span class="sourceLineNo">2702</span> */<a name="line.2702"></a> |
| <span class="sourceLineNo">2703</span> @Override<a name="line.2703"></a> |
| <span class="sourceLineNo">2704</span> public <E extends Enum<E>> IoBuffer putEnumSetInt(Set<E> set) {<a name="line.2704"></a> |
| <span class="sourceLineNo">2705</span> long vector = toLong(set);<a name="line.2705"></a> |
| <span class="sourceLineNo">2706</span> if ((vector & ~INT_MASK) != 0) {<a name="line.2706"></a> |
| <span class="sourceLineNo">2707</span> throw new IllegalArgumentException("The enum set is too large to fit in an int: " + set);<a name="line.2707"></a> |
| <span class="sourceLineNo">2708</span> }<a name="line.2708"></a> |
| <span class="sourceLineNo">2709</span> return putInt((int) vector);<a name="line.2709"></a> |
| <span class="sourceLineNo">2710</span> }<a name="line.2710"></a> |
| <span class="sourceLineNo">2711</span><a name="line.2711"></a> |
| <span class="sourceLineNo">2712</span> /**<a name="line.2712"></a> |
| <span class="sourceLineNo">2713</span> * {@inheritDoc}<a name="line.2713"></a> |
| <span class="sourceLineNo">2714</span> */<a name="line.2714"></a> |
| <span class="sourceLineNo">2715</span> @Override<a name="line.2715"></a> |
| <span class="sourceLineNo">2716</span> public <E extends Enum<E>> IoBuffer putEnumSetInt(int index, Set<E> set) {<a name="line.2716"></a> |
| <span class="sourceLineNo">2717</span> long vector = toLong(set);<a name="line.2717"></a> |
| <span class="sourceLineNo">2718</span> if ((vector & ~INT_MASK) != 0) {<a name="line.2718"></a> |
| <span class="sourceLineNo">2719</span> throw new IllegalArgumentException("The enum set is too large to fit in an int: " + set);<a name="line.2719"></a> |
| <span class="sourceLineNo">2720</span> }<a name="line.2720"></a> |
| <span class="sourceLineNo">2721</span> return putInt(index, (int) vector);<a name="line.2721"></a> |
| <span class="sourceLineNo">2722</span> }<a name="line.2722"></a> |
| <span class="sourceLineNo">2723</span><a name="line.2723"></a> |
| <span class="sourceLineNo">2724</span> /**<a name="line.2724"></a> |
| <span class="sourceLineNo">2725</span> * {@inheritDoc}<a name="line.2725"></a> |
| <span class="sourceLineNo">2726</span> */<a name="line.2726"></a> |
| <span class="sourceLineNo">2727</span> @Override<a name="line.2727"></a> |
| <span class="sourceLineNo">2728</span> public <E extends Enum<E>> IoBuffer putEnumSetLong(Set<E> set) {<a name="line.2728"></a> |
| <span class="sourceLineNo">2729</span> return putLong(toLong(set));<a name="line.2729"></a> |
| <span class="sourceLineNo">2730</span> }<a name="line.2730"></a> |
| <span class="sourceLineNo">2731</span><a name="line.2731"></a> |
| <span class="sourceLineNo">2732</span> /**<a name="line.2732"></a> |
| <span class="sourceLineNo">2733</span> * {@inheritDoc}<a name="line.2733"></a> |
| <span class="sourceLineNo">2734</span> */<a name="line.2734"></a> |
| <span class="sourceLineNo">2735</span> @Override<a name="line.2735"></a> |
| <span class="sourceLineNo">2736</span> public <E extends Enum<E>> IoBuffer putEnumSetLong(int index, Set<E> set) {<a name="line.2736"></a> |
| <span class="sourceLineNo">2737</span> return putLong(index, toLong(set));<a name="line.2737"></a> |
| <span class="sourceLineNo">2738</span> }<a name="line.2738"></a> |
| <span class="sourceLineNo">2739</span><a name="line.2739"></a> |
| <span class="sourceLineNo">2740</span> private <E extends Enum<E>> long toLong(Set<E> set) {<a name="line.2740"></a> |
| <span class="sourceLineNo">2741</span> long vector = 0;<a name="line.2741"></a> |
| <span class="sourceLineNo">2742</span> for (E e : set) {<a name="line.2742"></a> |
| <span class="sourceLineNo">2743</span> if (e.ordinal() >= Long.SIZE) {<a name="line.2743"></a> |
| <span class="sourceLineNo">2744</span> throw new IllegalArgumentException("The enum set is too large to fit in a bit vector: " + set);<a name="line.2744"></a> |
| <span class="sourceLineNo">2745</span> }<a name="line.2745"></a> |
| <span class="sourceLineNo">2746</span> vector |= 1L << e.ordinal();<a name="line.2746"></a> |
| <span class="sourceLineNo">2747</span> }<a name="line.2747"></a> |
| <span class="sourceLineNo">2748</span> return vector;<a name="line.2748"></a> |
| <span class="sourceLineNo">2749</span> }<a name="line.2749"></a> |
| <span class="sourceLineNo">2750</span><a name="line.2750"></a> |
| <span class="sourceLineNo">2751</span> /**<a name="line.2751"></a> |
| <span class="sourceLineNo">2752</span> * This method forwards the call to {@link #expand(int)} only when<a name="line.2752"></a> |
| <span class="sourceLineNo">2753</span> * <tt>autoExpand</tt> property is <tt>true</tt>.<a name="line.2753"></a> |
| <span class="sourceLineNo">2754</span> */<a name="line.2754"></a> |
| <span class="sourceLineNo">2755</span> private IoBuffer autoExpand(int expectedRemaining) {<a name="line.2755"></a> |
| <span class="sourceLineNo">2756</span> if (isAutoExpand()) {<a name="line.2756"></a> |
| <span class="sourceLineNo">2757</span> expand(expectedRemaining, true);<a name="line.2757"></a> |
| <span class="sourceLineNo">2758</span> }<a name="line.2758"></a> |
| <span class="sourceLineNo">2759</span> return this;<a name="line.2759"></a> |
| <span class="sourceLineNo">2760</span> }<a name="line.2760"></a> |
| <span class="sourceLineNo">2761</span><a name="line.2761"></a> |
| <span class="sourceLineNo">2762</span> /**<a name="line.2762"></a> |
| <span class="sourceLineNo">2763</span> * This method forwards the call to {@link #expand(int)} only when<a name="line.2763"></a> |
| <span class="sourceLineNo">2764</span> * <tt>autoExpand</tt> property is <tt>true</tt>.<a name="line.2764"></a> |
| <span class="sourceLineNo">2765</span> */<a name="line.2765"></a> |
| <span class="sourceLineNo">2766</span> private IoBuffer autoExpand(int pos, int expectedRemaining) {<a name="line.2766"></a> |
| <span class="sourceLineNo">2767</span> if (isAutoExpand()) {<a name="line.2767"></a> |
| <span class="sourceLineNo">2768</span> expand(pos, expectedRemaining, true);<a name="line.2768"></a> |
| <span class="sourceLineNo">2769</span> }<a name="line.2769"></a> |
| <span class="sourceLineNo">2770</span> return this;<a name="line.2770"></a> |
| <span class="sourceLineNo">2771</span> }<a name="line.2771"></a> |
| <span class="sourceLineNo">2772</span><a name="line.2772"></a> |
| <span class="sourceLineNo">2773</span> private static void checkFieldSize(int fieldSize) {<a name="line.2773"></a> |
| <span class="sourceLineNo">2774</span> if (fieldSize < 0) {<a name="line.2774"></a> |
| <span class="sourceLineNo">2775</span> throw new IllegalArgumentException("fieldSize cannot be negative: " + fieldSize);<a name="line.2775"></a> |
| <span class="sourceLineNo">2776</span> }<a name="line.2776"></a> |
| <span class="sourceLineNo">2777</span> }<a name="line.2777"></a> |
| <span class="sourceLineNo">2778</span>}<a name="line.2778"></a> |
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| </div> |
| </body> |
| </html> |
