| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <html lang="en"> |
| <head> |
| <title>Source code</title> |
| <link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style"> |
| </head> |
| <body> |
| <div class="sourceContainer"> |
| <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 or more<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * contributor license agreements. See the NOTICE file distributed with<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * this work for additional information regarding copyright ownership.<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * The ASF licenses this file to You under the Apache license, Version 2.0<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * (the "License"); you may not use this file except in compliance with<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * the License. You may obtain a copy of the License at<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> *<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> *<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * See the license for the specific language governing permissions and<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * limitations under the license.<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> */<a name="line.16"></a> |
| <span class="sourceLineNo">017</span>package org.apache.logging.log4j.util;<a name="line.17"></a> |
| <span class="sourceLineNo">018</span><a name="line.18"></a> |
| <span class="sourceLineNo">019</span>import java.util.Map.Entry;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static java.lang.Character.toLowerCase;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span><a name="line.22"></a> |
| <span class="sourceLineNo">023</span>/**<a name="line.23"></a> |
| <span class="sourceLineNo">024</span> * <em>Consider this class private.</em><a name="line.24"></a> |
| <span class="sourceLineNo">025</span> */<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>public final class StringBuilders {<a name="line.26"></a> |
| <span class="sourceLineNo">027</span> private StringBuilders() {<a name="line.27"></a> |
| <span class="sourceLineNo">028</span> }<a name="line.28"></a> |
| <span class="sourceLineNo">029</span><a name="line.29"></a> |
| <span class="sourceLineNo">030</span> /**<a name="line.30"></a> |
| <span class="sourceLineNo">031</span> * Appends in the following format: double quoted value.<a name="line.31"></a> |
| <span class="sourceLineNo">032</span> *<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> * @param sb a string builder<a name="line.33"></a> |
| <span class="sourceLineNo">034</span> * @param value a value<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> * @return {@code "value"}<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> */<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> public static StringBuilder appendDqValue(final StringBuilder sb, final Object value) {<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> return sb.append(Chars.DQUOTE).append(value).append(Chars.DQUOTE);<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> }<a name="line.39"></a> |
| <span class="sourceLineNo">040</span><a name="line.40"></a> |
| <span class="sourceLineNo">041</span> /**<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> * Appends in the following format: key=double quoted value.<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> *<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> * @param sb a string builder<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> * @param entry a map entry<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> * @return {@code key="value"}<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> */<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> public static StringBuilder appendKeyDqValue(final StringBuilder sb, final Entry<String, String> entry) {<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> return appendKeyDqValue(sb, entry.getKey(), entry.getValue());<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> }<a name="line.50"></a> |
| <span class="sourceLineNo">051</span><a name="line.51"></a> |
| <span class="sourceLineNo">052</span> /**<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> * Appends in the following format: key=double quoted value.<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> *<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> * @param sb a string builder<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> * @param key a key<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> * @param value a value<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> * @return the specified StringBuilder<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> */<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> public static StringBuilder appendKeyDqValue(final StringBuilder sb, final String key, final Object value) {<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> return sb.append(key).append(Chars.EQ).append(Chars.DQUOTE).append(value).append(Chars.DQUOTE);<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> }<a name="line.62"></a> |
| <span class="sourceLineNo">063</span><a name="line.63"></a> |
| <span class="sourceLineNo">064</span> /**<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> * Appends a text representation of the specified object to the specified StringBuilder,<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> * if possible without allocating temporary objects.<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> *<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> * @param stringBuilder the StringBuilder to append the value to<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> * @param obj the object whose text representation to append to the StringBuilder<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> */<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> public static void appendValue(final StringBuilder stringBuilder, final Object obj) {<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> if (!appendSpecificTypes(stringBuilder, obj)) {<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> stringBuilder.append(obj);<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> }<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> }<a name="line.75"></a> |
| <span class="sourceLineNo">076</span><a name="line.76"></a> |
| <span class="sourceLineNo">077</span> public static boolean appendSpecificTypes(final StringBuilder stringBuilder, final Object obj) {<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> if (obj == null || obj instanceof String) {<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> stringBuilder.append((String) obj);<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> } else if (obj instanceof StringBuilderFormattable) {<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> ((StringBuilderFormattable) obj).formatTo(stringBuilder);<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> } else if (obj instanceof CharSequence) {<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> stringBuilder.append((CharSequence) obj);<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> } else if (obj instanceof Integer) { // LOG4J2-1437 unbox auto-boxed primitives to avoid calling toString()<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> stringBuilder.append(((Integer) obj).intValue());<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> } else if (obj instanceof Long) {<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> stringBuilder.append(((Long) obj).longValue());<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> } else if (obj instanceof Double) {<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> stringBuilder.append(((Double) obj).doubleValue());<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> } else if (obj instanceof Boolean) {<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> stringBuilder.append(((Boolean) obj).booleanValue());<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> } else if (obj instanceof Character) {<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> stringBuilder.append(((Character) obj).charValue());<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> } else if (obj instanceof Short) {<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> stringBuilder.append(((Short) obj).shortValue());<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> } else if (obj instanceof Float) {<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> stringBuilder.append(((Float) obj).floatValue());<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> } else if (obj instanceof Byte) {<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> stringBuilder.append(((Byte) obj).byteValue());<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> } else {<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> return false;<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> }<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> return true;<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> }<a name="line.104"></a> |
| <span class="sourceLineNo">105</span><a name="line.105"></a> |
| <span class="sourceLineNo">106</span> /**<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> * Returns true if the specified section of the left CharSequence equals the specified section of the right<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> * CharSequence.<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> *<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> * @param left the left CharSequence<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> * @param leftOffset start index in the left CharSequence<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> * @param leftLength length of the section in the left CharSequence<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> * @param right the right CharSequence to compare a section of<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> * @param rightOffset start index in the right CharSequence<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> * @param rightLength length of the section in the right CharSequence<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> * @return true if equal, false otherwise<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> */<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> public static boolean equals(final CharSequence left, final int leftOffset, final int leftLength,<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> final CharSequence right, final int rightOffset, final int rightLength) {<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> if (leftLength == rightLength) {<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> for (int i = 0; i < rightLength; i++) {<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> if (left.charAt(i + leftOffset) != right.charAt(i + rightOffset)) {<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> return false;<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> }<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> }<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> return true;<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> }<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> return false;<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> /**<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> * Returns true if the specified section of the left CharSequence equals, ignoring case, the specified section of<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> * the right CharSequence.<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> *<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> * @param left the left CharSequence<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> * @param leftOffset start index in the left CharSequence<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> * @param leftLength length of the section in the left CharSequence<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> * @param right the right CharSequence to compare a section of<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> * @param rightOffset start index in the right CharSequence<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> * @param rightLength length of the section in the right CharSequence<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> * @return true if equal ignoring case, false otherwise<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> */<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> public static boolean equalsIgnoreCase(final CharSequence left, final int leftOffset, final int leftLength,<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> final CharSequence right, final int rightOffset, final int rightLength) {<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> if (leftLength == rightLength) {<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> for (int i = 0; i < rightLength; i++) {<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> if (toLowerCase(left.charAt(i + leftOffset)) != toLowerCase(right.charAt(i + rightOffset))) {<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> return false;<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> }<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> }<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> return true;<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> }<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> return false;<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> }<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> * Ensures that the char[] array of the specified StringBuilder does not exceed the specified number of characters.<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> * This method is useful to ensure that excessively long char[] arrays are not kept in memory forever.<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> *<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> * @param stringBuilder the StringBuilder to check<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> * @param maxSize the maximum number of characters the StringBuilder is allowed to have<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> * @since 2.9<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> */<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> public static void trimToMaxSize(final StringBuilder stringBuilder, final int maxSize) {<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> if (stringBuilder != null && stringBuilder.capacity() > maxSize) {<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> stringBuilder.setLength(maxSize);<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> stringBuilder.trimToSize();<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> }<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> }<a name="line.169"></a> |
| <span class="sourceLineNo">170</span><a name="line.170"></a> |
| <span class="sourceLineNo">171</span> public static void escapeJson(final StringBuilder toAppendTo, final int start) {<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> int escapeCount = 0;<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> for (int i = start; i < toAppendTo.length(); i++) {<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> final char c = toAppendTo.charAt(i);<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> switch (c) {<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> case '\b':<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> case '\t':<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> case '\f':<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> case '\n':<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> case '\r':<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> case '"':<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> case '\\':<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> escapeCount++;<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> break;<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> default:<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> if (Character.isISOControl(c)) {<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> escapeCount += 5;<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> }<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> }<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> }<a name="line.190"></a> |
| <span class="sourceLineNo">191</span><a name="line.191"></a> |
| <span class="sourceLineNo">192</span> final int lastChar = toAppendTo.length() - 1;<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> toAppendTo.setLength(toAppendTo.length() + escapeCount);<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> int lastPos = toAppendTo.length() - 1;<a name="line.194"></a> |
| <span class="sourceLineNo">195</span><a name="line.195"></a> |
| <span class="sourceLineNo">196</span> for (int i = lastChar; lastPos > i; i--) {<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> final char c = toAppendTo.charAt(i);<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> switch (c) {<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> case '\b':<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> lastPos = escapeAndDecrement(toAppendTo, lastPos, 'b');<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> break;<a name="line.201"></a> |
| <span class="sourceLineNo">202</span><a name="line.202"></a> |
| <span class="sourceLineNo">203</span> case '\t':<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> lastPos = escapeAndDecrement(toAppendTo, lastPos, 't');<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> break;<a name="line.205"></a> |
| <span class="sourceLineNo">206</span><a name="line.206"></a> |
| <span class="sourceLineNo">207</span> case '\f':<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> lastPos = escapeAndDecrement(toAppendTo, lastPos, 'f');<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> break;<a name="line.209"></a> |
| <span class="sourceLineNo">210</span><a name="line.210"></a> |
| <span class="sourceLineNo">211</span> case '\n':<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> lastPos = escapeAndDecrement(toAppendTo, lastPos, 'n');<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> break;<a name="line.213"></a> |
| <span class="sourceLineNo">214</span><a name="line.214"></a> |
| <span class="sourceLineNo">215</span> case '\r':<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> lastPos = escapeAndDecrement(toAppendTo, lastPos, 'r');<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> break;<a name="line.217"></a> |
| <span class="sourceLineNo">218</span><a name="line.218"></a> |
| <span class="sourceLineNo">219</span> case '"':<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> case '\\':<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> lastPos = escapeAndDecrement(toAppendTo, lastPos, c);<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> break;<a name="line.222"></a> |
| <span class="sourceLineNo">223</span><a name="line.223"></a> |
| <span class="sourceLineNo">224</span> default:<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> if (Character.isISOControl(c)) {<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> // all iso control characters are in U+00xx, JSON output format is "\\u00XX"<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> toAppendTo.setCharAt(lastPos--, Chars.getUpperCaseHex(c & 0xF));<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> toAppendTo.setCharAt(lastPos--, Chars.getUpperCaseHex((c & 0xF0) >> 4));<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> toAppendTo.setCharAt(lastPos--, '0');<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> toAppendTo.setCharAt(lastPos--, '0');<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> toAppendTo.setCharAt(lastPos--, 'u');<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> toAppendTo.setCharAt(lastPos--, '\\');<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> } else {<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> toAppendTo.setCharAt(lastPos, c);<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> lastPos--;<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> }<a name="line.239"></a> |
| <span class="sourceLineNo">240</span><a name="line.240"></a> |
| <span class="sourceLineNo">241</span> private static int escapeAndDecrement(final StringBuilder toAppendTo, int lastPos, final char c) {<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> toAppendTo.setCharAt(lastPos--, c);<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> toAppendTo.setCharAt(lastPos--, '\\');<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> return lastPos;<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> }<a name="line.245"></a> |
| <span class="sourceLineNo">246</span><a name="line.246"></a> |
| <span class="sourceLineNo">247</span> public static void escapeXml(final StringBuilder toAppendTo, final int start) {<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> int escapeCount = 0;<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> for (int i = start; i < toAppendTo.length(); i++) {<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> final char c = toAppendTo.charAt(i);<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> switch (c) {<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> case '&':<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> escapeCount += 4;<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> break;<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> case '<':<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> case '>':<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> escapeCount += 3;<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> break;<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> case '"':<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> case '\'':<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> escapeCount += 5;<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> }<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> }<a name="line.263"></a> |
| <span class="sourceLineNo">264</span><a name="line.264"></a> |
| <span class="sourceLineNo">265</span> final int lastChar = toAppendTo.length() - 1;<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> toAppendTo.setLength(toAppendTo.length() + escapeCount);<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> int lastPos = toAppendTo.length() - 1;<a name="line.267"></a> |
| <span class="sourceLineNo">268</span><a name="line.268"></a> |
| <span class="sourceLineNo">269</span> for (int i = lastChar; lastPos > i; i--) {<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> final char c = toAppendTo.charAt(i);<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> switch (c) {<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> case '&':<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> toAppendTo.setCharAt(lastPos--, ';');<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> toAppendTo.setCharAt(lastPos--, 'p');<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> toAppendTo.setCharAt(lastPos--, 'm');<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> toAppendTo.setCharAt(lastPos--, 'a');<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> toAppendTo.setCharAt(lastPos--, '&');<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> break;<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> case '<':<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> toAppendTo.setCharAt(lastPos--, ';');<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> toAppendTo.setCharAt(lastPos--, 't');<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> toAppendTo.setCharAt(lastPos--, 'l');<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> toAppendTo.setCharAt(lastPos--, '&');<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> break;<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> case '>':<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> toAppendTo.setCharAt(lastPos--, ';');<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> toAppendTo.setCharAt(lastPos--, 't');<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> toAppendTo.setCharAt(lastPos--, 'g');<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> toAppendTo.setCharAt(lastPos--, '&');<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> break;<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> case '"':<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> toAppendTo.setCharAt(lastPos--, ';');<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> toAppendTo.setCharAt(lastPos--, 't');<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> toAppendTo.setCharAt(lastPos--, 'o');<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> toAppendTo.setCharAt(lastPos--, 'u');<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> toAppendTo.setCharAt(lastPos--, 'q');<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> toAppendTo.setCharAt(lastPos--, '&');<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> break;<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> case '\'':<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> toAppendTo.setCharAt(lastPos--, ';');<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> toAppendTo.setCharAt(lastPos--, 's');<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> toAppendTo.setCharAt(lastPos--, 'o');<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> toAppendTo.setCharAt(lastPos--, 'p');<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> toAppendTo.setCharAt(lastPos--, 'a');<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> toAppendTo.setCharAt(lastPos--, '&');<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> break;<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> default:<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> toAppendTo.setCharAt(lastPos--, c);<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> }<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> }<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> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </body> |
| </html> |
