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| <div id="overview"><a href="../../../../../../apidocs/org/apache/mina/proxy/utils/IoBufferDecoder.html">View Javadoc</a></div><pre> |
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| <a class="jxr_linenumber" name="1" href="#1">1</a> <em class="jxr_comment">/*</em> |
| <a class="jxr_linenumber" name="2" href="#2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em> |
| <a class="jxr_linenumber" name="3" href="#3">3</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em> |
| <a class="jxr_linenumber" name="4" href="#4">4</a> <em class="jxr_comment"> * distributed with this work for additional information</em> |
| <a class="jxr_linenumber" name="5" href="#5">5</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em> |
| <a class="jxr_linenumber" name="6" href="#6">6</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em> |
| <a class="jxr_linenumber" name="7" href="#7">7</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em> |
| <a class="jxr_linenumber" name="8" href="#8">8</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em> |
| <a class="jxr_linenumber" name="9" href="#9">9</a> <em class="jxr_comment"> *</em> |
| <a class="jxr_linenumber" name="10" href="#10">10</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em> |
| <a class="jxr_linenumber" name="11" href="#11">11</a> <em class="jxr_comment"> *</em> |
| <a class="jxr_linenumber" name="12" href="#12">12</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em> |
| <a class="jxr_linenumber" name="13" href="#13">13</a> <em class="jxr_comment"> * software distributed under the License is distributed on an</em> |
| <a class="jxr_linenumber" name="14" href="#14">14</a> <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em> |
| <a class="jxr_linenumber" name="15" href="#15">15</a> <em class="jxr_comment"> * KIND, either express or implied. See the License for the</em> |
| <a class="jxr_linenumber" name="16" href="#16">16</a> <em class="jxr_comment"> * specific language governing permissions and limitations</em> |
| <a class="jxr_linenumber" name="17" href="#17">17</a> <em class="jxr_comment"> * under the License.</em> |
| <a class="jxr_linenumber" name="18" href="#18">18</a> <em class="jxr_comment"> *</em> |
| <a class="jxr_linenumber" name="19" href="#19">19</a> <em class="jxr_comment"> */</em> |
| <a class="jxr_linenumber" name="20" href="#20">20</a> <strong class="jxr_keyword">package</strong> org.apache.mina.proxy.utils; |
| <a class="jxr_linenumber" name="21" href="#21">21</a> |
| <a class="jxr_linenumber" name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> org.apache.mina.core.buffer.IoBuffer; |
| <a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> org.apache.mina.core.session.IoSession; |
| <a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> org.apache.mina.filter.codec.textline.LineDelimiter; |
| <a class="jxr_linenumber" name="25" href="#25">25</a> |
| <a class="jxr_linenumber" name="26" href="#26">26</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="27" href="#27">27</a> <em class="jxr_javadoccomment"> * IoBufferDecoder.java - Handles an {@link IoBuffer} decoder which supports </em> |
| <a class="jxr_linenumber" name="28" href="#28">28</a> <em class="jxr_javadoccomment"> * two methods : </em> |
| <a class="jxr_linenumber" name="29" href="#29">29</a> <em class="jxr_javadoccomment"> * - dynamic delimiter decoding</em> |
| <a class="jxr_linenumber" name="30" href="#30">30</a> <em class="jxr_javadoccomment"> * - fixed length content reading</em> |
| <a class="jxr_linenumber" name="31" href="#31">31</a> <em class="jxr_javadoccomment"> * </em> |
| <a class="jxr_linenumber" name="32" href="#32">32</a> <em class="jxr_javadoccomment"> * @author <a href="<a href="http://mina.apache.org" target="alexandria_uri">http://mina.apache.org</a>">Apache MINA Project</a></em> |
| <a class="jxr_linenumber" name="33" href="#33">33</a> <em class="jxr_javadoccomment"> * @since MINA 2.0.0-M3</em> |
| <a class="jxr_linenumber" name="34" href="#34">34</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/mina/proxy/utils/IoBufferDecoder.html">IoBufferDecoder</a> { |
| <a class="jxr_linenumber" name="36" href="#36">36</a> |
| <a class="jxr_linenumber" name="37" href="#37">37</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="38" href="#38">38</a> <em class="jxr_javadoccomment"> * The class holding the decoding context.</em> |
| <a class="jxr_linenumber" name="39" href="#39">39</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="40" href="#40">40</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/mina/proxy/utils/IoBufferDecoder.html">DecodingContext</a> { |
| <a class="jxr_linenumber" name="41" href="#41">41</a> |
| <a class="jxr_linenumber" name="42" href="#42">42</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="43" href="#43">43</a> <em class="jxr_javadoccomment"> * The buffered data.</em> |
| <a class="jxr_linenumber" name="44" href="#44">44</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="45" href="#45">45</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/mina/core/buffer/IoBuffer.html">IoBuffer</a> decodedBuffer; |
| <a class="jxr_linenumber" name="46" href="#46">46</a> |
| <a class="jxr_linenumber" name="47" href="#47">47</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="48" href="#48">48</a> <em class="jxr_javadoccomment"> * The delimiter in use. Set if delimiter mode is in use.</em> |
| <a class="jxr_linenumber" name="49" href="#49">49</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="50" href="#50">50</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/mina/core/buffer/IoBuffer.html">IoBuffer</a> delimiter; |
| <a class="jxr_linenumber" name="51" href="#51">51</a> |
| <a class="jxr_linenumber" name="52" href="#52">52</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="53" href="#53">53</a> <em class="jxr_javadoccomment"> * The currently matched bytes of the delimiter. </em> |
| <a class="jxr_linenumber" name="54" href="#54">54</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="55" href="#55">55</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> matchCount = 0; |
| <a class="jxr_linenumber" name="56" href="#56">56</a> |
| <a class="jxr_linenumber" name="57" href="#57">57</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="58" href="#58">58</a> <em class="jxr_javadoccomment"> * Holds the current content length of decoded data if in</em> |
| <a class="jxr_linenumber" name="59" href="#59">59</a> <em class="jxr_javadoccomment"> * content-length mode.</em> |
| <a class="jxr_linenumber" name="60" href="#60">60</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="61" href="#61">61</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> contentLength = -1; |
| <a class="jxr_linenumber" name="62" href="#62">62</a> |
| <a class="jxr_linenumber" name="63" href="#63">63</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="64" href="#64">64</a> <em class="jxr_javadoccomment"> * Resets the decoding state.</em> |
| <a class="jxr_linenumber" name="65" href="#65">65</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="66" href="#66">66</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> reset() { |
| <a class="jxr_linenumber" name="67" href="#67">67</a> contentLength = -1; |
| <a class="jxr_linenumber" name="68" href="#68">68</a> matchCount = 0; |
| <a class="jxr_linenumber" name="69" href="#69">69</a> decodedBuffer = <strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="70" href="#70">70</a> } |
| <a class="jxr_linenumber" name="71" href="#71">71</a> |
| <a class="jxr_linenumber" name="72" href="#72">72</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getContentLength() { |
| <a class="jxr_linenumber" name="73" href="#73">73</a> <strong class="jxr_keyword">return</strong> contentLength; |
| <a class="jxr_linenumber" name="74" href="#74">74</a> } |
| <a class="jxr_linenumber" name="75" href="#75">75</a> |
| <a class="jxr_linenumber" name="76" href="#76">76</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setContentLength(<strong class="jxr_keyword">int</strong> contentLength) { |
| <a class="jxr_linenumber" name="77" href="#77">77</a> <strong class="jxr_keyword">this</strong>.contentLength = contentLength; |
| <a class="jxr_linenumber" name="78" href="#78">78</a> } |
| <a class="jxr_linenumber" name="79" href="#79">79</a> |
| <a class="jxr_linenumber" name="80" href="#80">80</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getMatchCount() { |
| <a class="jxr_linenumber" name="81" href="#81">81</a> <strong class="jxr_keyword">return</strong> matchCount; |
| <a class="jxr_linenumber" name="82" href="#82">82</a> } |
| <a class="jxr_linenumber" name="83" href="#83">83</a> |
| <a class="jxr_linenumber" name="84" href="#84">84</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setMatchCount(<strong class="jxr_keyword">int</strong> matchCount) { |
| <a class="jxr_linenumber" name="85" href="#85">85</a> <strong class="jxr_keyword">this</strong>.matchCount = matchCount; |
| <a class="jxr_linenumber" name="86" href="#86">86</a> } |
| <a class="jxr_linenumber" name="87" href="#87">87</a> |
| <a class="jxr_linenumber" name="88" href="#88">88</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/mina/core/buffer/IoBuffer.html">IoBuffer</a> getDecodedBuffer() { |
| <a class="jxr_linenumber" name="89" href="#89">89</a> <strong class="jxr_keyword">return</strong> decodedBuffer; |
| <a class="jxr_linenumber" name="90" href="#90">90</a> } |
| <a class="jxr_linenumber" name="91" href="#91">91</a> |
| <a class="jxr_linenumber" name="92" href="#92">92</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setDecodedBuffer(<a href="../../../../../org/apache/mina/core/buffer/IoBuffer.html">IoBuffer</a> decodedBuffer) { |
| <a class="jxr_linenumber" name="93" href="#93">93</a> <strong class="jxr_keyword">this</strong>.decodedBuffer = decodedBuffer; |
| <a class="jxr_linenumber" name="94" href="#94">94</a> } |
| <a class="jxr_linenumber" name="95" href="#95">95</a> |
| <a class="jxr_linenumber" name="96" href="#96">96</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/mina/core/buffer/IoBuffer.html">IoBuffer</a> getDelimiter() { |
| <a class="jxr_linenumber" name="97" href="#97">97</a> <strong class="jxr_keyword">return</strong> delimiter; |
| <a class="jxr_linenumber" name="98" href="#98">98</a> } |
| <a class="jxr_linenumber" name="99" href="#99">99</a> |
| <a class="jxr_linenumber" name="100" href="#100">100</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setDelimiter(<a href="../../../../../org/apache/mina/core/buffer/IoBuffer.html">IoBuffer</a> delimiter) { |
| <a class="jxr_linenumber" name="101" href="#101">101</a> <strong class="jxr_keyword">this</strong>.delimiter = delimiter; |
| <a class="jxr_linenumber" name="102" href="#102">102</a> } |
| <a class="jxr_linenumber" name="103" href="#103">103</a> } |
| <a class="jxr_linenumber" name="104" href="#104">104</a> |
| <a class="jxr_linenumber" name="105" href="#105">105</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="106" href="#106">106</a> <em class="jxr_javadoccomment"> * The decoding context.</em> |
| <a class="jxr_linenumber" name="107" href="#107">107</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="108" href="#108">108</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/mina/proxy/utils/IoBufferDecoder.html">DecodingContext</a> ctx = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/mina/proxy/utils/IoBufferDecoder.html">DecodingContext</a>(); |
| <a class="jxr_linenumber" name="109" href="#109">109</a> |
| <a class="jxr_linenumber" name="110" href="#110">110</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="111" href="#111">111</a> <em class="jxr_javadoccomment"> * Creates a new instance that uses specified <tt>delimiter</tt> byte array as a</em> |
| <a class="jxr_linenumber" name="112" href="#112">112</a> <em class="jxr_javadoccomment"> * message delimiter.</em> |
| <a class="jxr_linenumber" name="113" href="#113">113</a> <em class="jxr_javadoccomment"> * </em> |
| <a class="jxr_linenumber" name="114" href="#114">114</a> <em class="jxr_javadoccomment"> * @param delimiter an array of characters which delimits messages</em> |
| <a class="jxr_linenumber" name="115" href="#115">115</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="116" href="#116">116</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/mina/proxy/utils/IoBufferDecoder.html">IoBufferDecoder</a>(byte[] delimiter) { |
| <a class="jxr_linenumber" name="117" href="#117">117</a> setDelimiter(delimiter, <strong class="jxr_keyword">true</strong>); |
| <a class="jxr_linenumber" name="118" href="#118">118</a> } |
| <a class="jxr_linenumber" name="119" href="#119">119</a> |
| <a class="jxr_linenumber" name="120" href="#120">120</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="121" href="#121">121</a> <em class="jxr_javadoccomment"> * Creates a new instance that will read messages of <tt>contentLength</tt> bytes.</em> |
| <a class="jxr_linenumber" name="122" href="#122">122</a> <em class="jxr_javadoccomment"> * </em> |
| <a class="jxr_linenumber" name="123" href="#123">123</a> <em class="jxr_javadoccomment"> * @param contentLength the exact length to read</em> |
| <a class="jxr_linenumber" name="124" href="#124">124</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="125" href="#125">125</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/mina/proxy/utils/IoBufferDecoder.html">IoBufferDecoder</a>(<strong class="jxr_keyword">int</strong> contentLength) { |
| <a class="jxr_linenumber" name="126" href="#126">126</a> setContentLength(contentLength, false); |
| <a class="jxr_linenumber" name="127" href="#127">127</a> } |
| <a class="jxr_linenumber" name="128" href="#128">128</a> |
| <a class="jxr_linenumber" name="129" href="#129">129</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="130" href="#130">130</a> <em class="jxr_javadoccomment"> * Sets the the length of the content line to be decoded.</em> |
| <a class="jxr_linenumber" name="131" href="#131">131</a> <em class="jxr_javadoccomment"> * When set, it overrides the dynamic delimiter setting and content length </em> |
| <a class="jxr_linenumber" name="132" href="#132">132</a> <em class="jxr_javadoccomment"> * method will be used for decoding on the next decodeOnce call.</em> |
| <a class="jxr_linenumber" name="133" href="#133">133</a> <em class="jxr_javadoccomment"> * The default value is <tt>-1</tt>.</em> |
| <a class="jxr_linenumber" name="134" href="#134">134</a> <em class="jxr_javadoccomment"> * </em> |
| <a class="jxr_linenumber" name="135" href="#135">135</a> <em class="jxr_javadoccomment"> * @param contentLength the content length to match</em> |
| <a class="jxr_linenumber" name="136" href="#136">136</a> <em class="jxr_javadoccomment"> * @param resetMatchCount delimiter matching is reset if true</em> |
| <a class="jxr_linenumber" name="137" href="#137">137</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="138" href="#138">138</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setContentLength(<strong class="jxr_keyword">int</strong> contentLength, <strong class="jxr_keyword">boolean</strong> resetMatchCount) { |
| <a class="jxr_linenumber" name="139" href="#139">139</a> <strong class="jxr_keyword">if</strong> (contentLength <= 0) { |
| <a class="jxr_linenumber" name="140" href="#140">140</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"contentLength: "</span> + contentLength); |
| <a class="jxr_linenumber" name="141" href="#141">141</a> } |
| <a class="jxr_linenumber" name="142" href="#142">142</a> |
| <a class="jxr_linenumber" name="143" href="#143">143</a> ctx.setContentLength(contentLength); |
| <a class="jxr_linenumber" name="144" href="#144">144</a> <strong class="jxr_keyword">if</strong> (resetMatchCount) { |
| <a class="jxr_linenumber" name="145" href="#145">145</a> ctx.setMatchCount(0); |
| <a class="jxr_linenumber" name="146" href="#146">146</a> } |
| <a class="jxr_linenumber" name="147" href="#147">147</a> } |
| <a class="jxr_linenumber" name="148" href="#148">148</a> |
| <a class="jxr_linenumber" name="149" href="#149">149</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="150" href="#150">150</a> <em class="jxr_javadoccomment"> * Dynamically sets a new delimiter. Next time </em> |
| <a class="jxr_linenumber" name="151" href="#151">151</a> <em class="jxr_javadoccomment"> * {@link IoBufferDecoder#decodeOnce(IoSession, int) } will be called it will use the new </em> |
| <a class="jxr_linenumber" name="152" href="#152">152</a> <em class="jxr_javadoccomment"> * delimiter. Delimiter matching is reset only if <tt>resetMatchCount</tt> is true but </em> |
| <a class="jxr_linenumber" name="153" href="#153">153</a> <em class="jxr_javadoccomment"> * decoding will continue from current position.</em> |
| <a class="jxr_linenumber" name="154" href="#154">154</a> <em class="jxr_javadoccomment"> * </em> |
| <a class="jxr_linenumber" name="155" href="#155">155</a> <em class="jxr_javadoccomment"> * NB : Delimiter {@link LineDelimiter#AUTO} is not allowed.</em> |
| <a class="jxr_linenumber" name="156" href="#156">156</a> <em class="jxr_javadoccomment"> * </em> |
| <a class="jxr_linenumber" name="157" href="#157">157</a> <em class="jxr_javadoccomment"> * @param delim the new delimiter as a byte array</em> |
| <a class="jxr_linenumber" name="158" href="#158">158</a> <em class="jxr_javadoccomment"> * @param resetMatchCount delimiter matching is reset if true</em> |
| <a class="jxr_linenumber" name="159" href="#159">159</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="160" href="#160">160</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setDelimiter(byte[] delim, <strong class="jxr_keyword">boolean</strong> resetMatchCount) { |
| <a class="jxr_linenumber" name="161" href="#161">161</a> <strong class="jxr_keyword">if</strong> (delim == <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="162" href="#162">162</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"Null delimiter not allowed"</span>); |
| <a class="jxr_linenumber" name="163" href="#163">163</a> } |
| <a class="jxr_linenumber" name="164" href="#164">164</a> |
| <a class="jxr_linenumber" name="165" href="#165">165</a> <em class="jxr_comment">// Convert delimiter to IoBuffer.</em> |
| <a class="jxr_linenumber" name="166" href="#166">166</a> <a href="../../../../../org/apache/mina/core/buffer/IoBuffer.html">IoBuffer</a> delimiter = IoBuffer.allocate(delim.length); |
| <a class="jxr_linenumber" name="167" href="#167">167</a> delimiter.put(delim); |
| <a class="jxr_linenumber" name="168" href="#168">168</a> delimiter.flip(); |
| <a class="jxr_linenumber" name="169" href="#169">169</a> |
| <a class="jxr_linenumber" name="170" href="#170">170</a> ctx.setDelimiter(delimiter); |
| <a class="jxr_linenumber" name="171" href="#171">171</a> ctx.setContentLength(-1); |
| <a class="jxr_linenumber" name="172" href="#172">172</a> <strong class="jxr_keyword">if</strong> (resetMatchCount) { |
| <a class="jxr_linenumber" name="173" href="#173">173</a> ctx.setMatchCount(0); |
| <a class="jxr_linenumber" name="174" href="#174">174</a> } |
| <a class="jxr_linenumber" name="175" href="#175">175</a> } |
| <a class="jxr_linenumber" name="176" href="#176">176</a> |
| <a class="jxr_linenumber" name="177" href="#177">177</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="178" href="#178">178</a> <em class="jxr_javadoccomment"> * Will return null unless it has enough data to decode. If <code>contentLength</code></em> |
| <a class="jxr_linenumber" name="179" href="#179">179</a> <em class="jxr_javadoccomment"> * is set then it tries to retrieve <code>contentLength</code> bytes from the buffer</em> |
| <a class="jxr_linenumber" name="180" href="#180">180</a> <em class="jxr_javadoccomment"> * otherwise it will scan the buffer to find the data <code>delimiter</code> and return</em> |
| <a class="jxr_linenumber" name="181" href="#181">181</a> <em class="jxr_javadoccomment"> * all the data and the trailing delimiter.</em> |
| <a class="jxr_linenumber" name="182" href="#182">182</a> <em class="jxr_javadoccomment"> * </em> |
| <a class="jxr_linenumber" name="183" href="#183">183</a> <em class="jxr_javadoccomment"> * @param in the data to decode</em> |
| <a class="jxr_linenumber" name="184" href="#184">184</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="185" href="#185">185</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/mina/core/buffer/IoBuffer.html">IoBuffer</a> decodeFully(<a href="../../../../../org/apache/mina/core/buffer/IoBuffer.html">IoBuffer</a> in) { |
| <a class="jxr_linenumber" name="186" href="#186">186</a> <strong class="jxr_keyword">int</strong> contentLength = ctx.getContentLength(); |
| <a class="jxr_linenumber" name="187" href="#187">187</a> <a href="../../../../../org/apache/mina/core/buffer/IoBuffer.html">IoBuffer</a> decodedBuffer = ctx.getDecodedBuffer(); |
| <a class="jxr_linenumber" name="188" href="#188">188</a> |
| <a class="jxr_linenumber" name="189" href="#189">189</a> <strong class="jxr_keyword">int</strong> oldLimit = in.limit(); |
| <a class="jxr_linenumber" name="190" href="#190">190</a> |
| <a class="jxr_linenumber" name="191" href="#191">191</a> <em class="jxr_comment">// Retrieve fixed length content</em> |
| <a class="jxr_linenumber" name="192" href="#192">192</a> <strong class="jxr_keyword">if</strong> (contentLength > -1) { |
| <a class="jxr_linenumber" name="193" href="#193">193</a> <strong class="jxr_keyword">if</strong> (decodedBuffer == <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="194" href="#194">194</a> decodedBuffer = IoBuffer.allocate(contentLength).setAutoExpand(<strong class="jxr_keyword">true</strong>); |
| <a class="jxr_linenumber" name="195" href="#195">195</a> } |
| <a class="jxr_linenumber" name="196" href="#196">196</a> |
| <a class="jxr_linenumber" name="197" href="#197">197</a> <em class="jxr_comment">// If not enough data to complete the decoding</em> |
| <a class="jxr_linenumber" name="198" href="#198">198</a> <strong class="jxr_keyword">if</strong> (in.remaining() < contentLength) { |
| <a class="jxr_linenumber" name="199" href="#199">199</a> <strong class="jxr_keyword">int</strong> readBytes = in.remaining(); |
| <a class="jxr_linenumber" name="200" href="#200">200</a> decodedBuffer.put(in); |
| <a class="jxr_linenumber" name="201" href="#201">201</a> ctx.setDecodedBuffer(decodedBuffer); |
| <a class="jxr_linenumber" name="202" href="#202">202</a> ctx.setContentLength(contentLength - readBytes); |
| <a class="jxr_linenumber" name="203" href="#203">203</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="204" href="#204">204</a> |
| <a class="jxr_linenumber" name="205" href="#205">205</a> } |
| <a class="jxr_linenumber" name="206" href="#206">206</a> |
| <a class="jxr_linenumber" name="207" href="#207">207</a> <strong class="jxr_keyword">int</strong> newLimit = in.position() + contentLength; |
| <a class="jxr_linenumber" name="208" href="#208">208</a> in.limit(newLimit); |
| <a class="jxr_linenumber" name="209" href="#209">209</a> decodedBuffer.put(in); |
| <a class="jxr_linenumber" name="210" href="#210">210</a> decodedBuffer.flip(); |
| <a class="jxr_linenumber" name="211" href="#211">211</a> in.limit(oldLimit); |
| <a class="jxr_linenumber" name="212" href="#212">212</a> ctx.reset(); |
| <a class="jxr_linenumber" name="213" href="#213">213</a> |
| <a class="jxr_linenumber" name="214" href="#214">214</a> <strong class="jxr_keyword">return</strong> decodedBuffer; |
| <a class="jxr_linenumber" name="215" href="#215">215</a> } |
| <a class="jxr_linenumber" name="216" href="#216">216</a> |
| <a class="jxr_linenumber" name="217" href="#217">217</a> <em class="jxr_comment">// Not a fixed length matching so try to find a delimiter match</em> |
| <a class="jxr_linenumber" name="218" href="#218">218</a> <strong class="jxr_keyword">int</strong> oldPos = in.position(); |
| <a class="jxr_linenumber" name="219" href="#219">219</a> <strong class="jxr_keyword">int</strong> matchCount = ctx.getMatchCount(); |
| <a class="jxr_linenumber" name="220" href="#220">220</a> <a href="../../../../../org/apache/mina/core/buffer/IoBuffer.html">IoBuffer</a> delimiter = ctx.getDelimiter(); |
| <a class="jxr_linenumber" name="221" href="#221">221</a> |
| <a class="jxr_linenumber" name="222" href="#222">222</a> <strong class="jxr_keyword">while</strong> (in.hasRemaining()) { |
| <a class="jxr_linenumber" name="223" href="#223">223</a> byte b = in.get(); |
| <a class="jxr_linenumber" name="224" href="#224">224</a> <strong class="jxr_keyword">if</strong> (delimiter.get(matchCount) == b) { |
| <a class="jxr_linenumber" name="225" href="#225">225</a> matchCount++; |
| <a class="jxr_linenumber" name="226" href="#226">226</a> <strong class="jxr_keyword">if</strong> (matchCount == delimiter.limit()) { |
| <a class="jxr_linenumber" name="227" href="#227">227</a> <em class="jxr_comment">// Found a match.</em> |
| <a class="jxr_linenumber" name="228" href="#228">228</a> <strong class="jxr_keyword">int</strong> pos = in.position(); |
| <a class="jxr_linenumber" name="229" href="#229">229</a> in.position(oldPos); |
| <a class="jxr_linenumber" name="230" href="#230">230</a> |
| <a class="jxr_linenumber" name="231" href="#231">231</a> in.limit(pos); |
| <a class="jxr_linenumber" name="232" href="#232">232</a> |
| <a class="jxr_linenumber" name="233" href="#233">233</a> <strong class="jxr_keyword">if</strong> (decodedBuffer == <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="234" href="#234">234</a> decodedBuffer = IoBuffer.allocate(in.remaining()).setAutoExpand(<strong class="jxr_keyword">true</strong>); |
| <a class="jxr_linenumber" name="235" href="#235">235</a> } |
| <a class="jxr_linenumber" name="236" href="#236">236</a> |
| <a class="jxr_linenumber" name="237" href="#237">237</a> decodedBuffer.put(in); |
| <a class="jxr_linenumber" name="238" href="#238">238</a> decodedBuffer.flip(); |
| <a class="jxr_linenumber" name="239" href="#239">239</a> |
| <a class="jxr_linenumber" name="240" href="#240">240</a> in.limit(oldLimit); |
| <a class="jxr_linenumber" name="241" href="#241">241</a> ctx.reset(); |
| <a class="jxr_linenumber" name="242" href="#242">242</a> |
| <a class="jxr_linenumber" name="243" href="#243">243</a> <strong class="jxr_keyword">return</strong> decodedBuffer; |
| <a class="jxr_linenumber" name="244" href="#244">244</a> } |
| <a class="jxr_linenumber" name="245" href="#245">245</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="246" href="#246">246</a> in.position(Math.max(0, in.position() - matchCount)); |
| <a class="jxr_linenumber" name="247" href="#247">247</a> matchCount = 0; |
| <a class="jxr_linenumber" name="248" href="#248">248</a> } |
| <a class="jxr_linenumber" name="249" href="#249">249</a> } |
| <a class="jxr_linenumber" name="250" href="#250">250</a> |
| <a class="jxr_linenumber" name="251" href="#251">251</a> <em class="jxr_comment">// Copy remainder from buf.</em> |
| <a class="jxr_linenumber" name="252" href="#252">252</a> <strong class="jxr_keyword">if</strong> (in.remaining() > 0) { |
| <a class="jxr_linenumber" name="253" href="#253">253</a> in.position(oldPos); |
| <a class="jxr_linenumber" name="254" href="#254">254</a> decodedBuffer.put(in); |
| <a class="jxr_linenumber" name="255" href="#255">255</a> in.position(in.limit()); |
| <a class="jxr_linenumber" name="256" href="#256">256</a> } |
| <a class="jxr_linenumber" name="257" href="#257">257</a> |
| <a class="jxr_linenumber" name="258" href="#258">258</a> <em class="jxr_comment">// Save decoding state</em> |
| <a class="jxr_linenumber" name="259" href="#259">259</a> ctx.setMatchCount(matchCount); |
| <a class="jxr_linenumber" name="260" href="#260">260</a> ctx.setDecodedBuffer(decodedBuffer); |
| <a class="jxr_linenumber" name="261" href="#261">261</a> |
| <a class="jxr_linenumber" name="262" href="#262">262</a> <strong class="jxr_keyword">return</strong> decodedBuffer; |
| <a class="jxr_linenumber" name="263" href="#263">263</a> } |
| <a class="jxr_linenumber" name="264" href="#264">264</a> } |
| </pre> |
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