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<a class="jxr_linenumber" name="L1" href="#L1">1</a> <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="L2" href="#L2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em>
<a class="jxr_linenumber" name="L3" href="#L3">3</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em>
<a class="jxr_linenumber" name="L4" href="#L4">4</a> <em class="jxr_comment"> * distributed with this work for additional information</em>
<a class="jxr_linenumber" name="L5" href="#L5">5</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em>
<a class="jxr_linenumber" name="L6" href="#L6">6</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em>
<a class="jxr_linenumber" name="L7" href="#L7">7</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em>
<a class="jxr_linenumber" name="L8" href="#L8">8</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em>
<a class="jxr_linenumber" name="L9" href="#L9">9</a> <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="L10" href="#L10">10</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2." target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.</a>0</em>
<a class="jxr_linenumber" name="L11" href="#L11">11</a> <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="L12" href="#L12">12</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em>
<a class="jxr_linenumber" name="L13" href="#L13">13</a> <em class="jxr_comment"> * software distributed under the License is distributed on an</em>
<a class="jxr_linenumber" name="L14" href="#L14">14</a> <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em>
<a class="jxr_linenumber" name="L15" href="#L15">15</a> <em class="jxr_comment"> * KIND, either express or implied. See the License for the</em>
<a class="jxr_linenumber" name="L16" href="#L16">16</a> <em class="jxr_comment"> * specific language governing permissions and limitations</em>
<a class="jxr_linenumber" name="L17" href="#L17">17</a> <em class="jxr_comment"> * under the License.</em>
<a class="jxr_linenumber" name="L18" href="#L18">18</a> <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="L19" href="#L19">19</a> <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="L20" href="#L20">20</a> <strong class="jxr_keyword">package</strong> org.apache.mina.filter.buffer;
<a class="jxr_linenumber" name="L21" href="#L21">21</a>
<a class="jxr_linenumber" name="L22" href="#L22">22</a> <strong class="jxr_keyword">import</strong> java.io.BufferedOutputStream;
<a class="jxr_linenumber" name="L23" href="#L23">23</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ConcurrentHashMap;
<a class="jxr_linenumber" name="L24" href="#L24">24</a>
<a class="jxr_linenumber" name="L25" href="#L25">25</a> <strong class="jxr_keyword">import</strong> org.apache.mina.core.buffer.IoBuffer;
<a class="jxr_linenumber" name="L26" href="#L26">26</a> <strong class="jxr_keyword">import</strong> org.apache.mina.core.filterchain.IoFilter;
<a class="jxr_linenumber" name="L27" href="#L27">27</a> <strong class="jxr_keyword">import</strong> org.apache.mina.core.filterchain.IoFilterAdapter;
<a class="jxr_linenumber" name="L28" href="#L28">28</a> <strong class="jxr_keyword">import</strong> org.apache.mina.core.session.IoSession;
<a class="jxr_linenumber" name="L29" href="#L29">29</a> <strong class="jxr_keyword">import</strong> org.apache.mina.core.write.DefaultWriteRequest;
<a class="jxr_linenumber" name="L30" href="#L30">30</a> <strong class="jxr_keyword">import</strong> org.apache.mina.core.write.WriteRequest;
<a class="jxr_linenumber" name="L31" href="#L31">31</a> <strong class="jxr_keyword">import</strong> org.apache.mina.filter.codec.ProtocolCodecFilter;
<a class="jxr_linenumber" name="L32" href="#L32">32</a> <strong class="jxr_keyword">import</strong> org.apache.mina.util.LazyInitializedCacheMap;
<a class="jxr_linenumber" name="L33" href="#L33">33</a> <strong class="jxr_keyword">import</strong> org.slf4j.Logger;
<a class="jxr_linenumber" name="L34" href="#L34">34</a> <strong class="jxr_keyword">import</strong> org.slf4j.LoggerFactory;
<a class="jxr_linenumber" name="L35" href="#L35">35</a>
<a class="jxr_linenumber" name="L36" href="#L36">36</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L37" href="#L37">37</a> <em class="jxr_javadoccomment"> * An {@link IoFilter} implementation used to buffer outgoing {@link WriteRequest} almost</em>
<a class="jxr_linenumber" name="L38" href="#L38">38</a> <em class="jxr_javadoccomment"> * like what {@link BufferedOutputStream} does. Using this filter allows to be less dependent</em>
<a class="jxr_linenumber" name="L39" href="#L39">39</a> <em class="jxr_javadoccomment"> * from network latency. It is also useful when a session is generating very small messages</em>
<a class="jxr_linenumber" name="L40" href="#L40">40</a> <em class="jxr_javadoccomment"> * too frequently and consequently generating unnecessary traffic overhead.</em>
<a class="jxr_linenumber" name="L41" href="#L41">41</a> <em class="jxr_javadoccomment"> * </em>
<a class="jxr_linenumber" name="L42" href="#L42">42</a> <em class="jxr_javadoccomment"> * Please note that it should always be placed before the {@link ProtocolCodecFilter}</em>
<a class="jxr_linenumber" name="L43" href="#L43">43</a> <em class="jxr_javadoccomment"> * as it only handles {@link WriteRequest}'s carrying {@link IoBuffer} objects.</em>
<a class="jxr_linenumber" name="L44" href="#L44">44</a> <em class="jxr_javadoccomment"> * </em>
<a class="jxr_linenumber" name="L45" href="#L45">45</a> <em class="jxr_javadoccomment"> * @author &lt;a href="<a href="http://mina.apache.org" target="alexandria_uri">http://mina.apache.org</a>"&gt;Apache MINA Project&lt;/a&gt;</em>
<a class="jxr_linenumber" name="L46" href="#L46">46</a> <em class="jxr_javadoccomment"> * @since MINA 2.0.0-M2</em>
<a class="jxr_linenumber" name="L47" href="#L47">47</a> <em class="jxr_javadoccomment"> * @org.apache.xbean.XBean</em>
<a class="jxr_linenumber" name="L48" href="#L48">48</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L49" href="#L49">49</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/mina/filter/buffer/BufferedWriteFilter.html">BufferedWriteFilter</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html">IoFilterAdapter</a> {
<a class="jxr_linenumber" name="L50" href="#L50">50</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Logger logger = LoggerFactory.getLogger(BufferedWriteFilter.<strong class="jxr_keyword">class</strong>);
<a class="jxr_linenumber" name="L51" href="#L51">51</a>
<a class="jxr_linenumber" name="L52" href="#L52">52</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L53" href="#L53">53</a> <em class="jxr_javadoccomment"> * Default buffer size value in bytes.</em>
<a class="jxr_linenumber" name="L54" href="#L54">54</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L55" href="#L55">55</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> DEFAULT_BUFFER_SIZE = 8192;
<a class="jxr_linenumber" name="L56" href="#L56">56</a>
<a class="jxr_linenumber" name="L57" href="#L57">57</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L58" href="#L58">58</a> <em class="jxr_javadoccomment"> * The buffer size allocated for each new session's buffer.</em>
<a class="jxr_linenumber" name="L59" href="#L59">59</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L60" href="#L60">60</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> bufferSize = DEFAULT_BUFFER_SIZE;
<a class="jxr_linenumber" name="L61" href="#L61">61</a>
<a class="jxr_linenumber" name="L62" href="#L62">62</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L63" href="#L63">63</a> <em class="jxr_javadoccomment"> * The map that matches an {@link IoSession} and it's {@link IoBuffer}</em>
<a class="jxr_linenumber" name="L64" href="#L64">64</a> <em class="jxr_javadoccomment"> * buffer.</em>
<a class="jxr_linenumber" name="L65" href="#L65">65</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L66" href="#L66">66</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> LazyInitializedCacheMap&lt;IoSession, IoBuffer&gt; buffersMap;
<a class="jxr_linenumber" name="L67" href="#L67">67</a>
<a class="jxr_linenumber" name="L68" href="#L68">68</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L69" href="#L69">69</a> <em class="jxr_javadoccomment"> * Default constructor. Sets buffer size to {@link #DEFAULT_BUFFER_SIZE}</em>
<a class="jxr_linenumber" name="L70" href="#L70">70</a> <em class="jxr_javadoccomment"> * bytes. Uses a default instance of {@link ConcurrentHashMap}.</em>
<a class="jxr_linenumber" name="L71" href="#L71">71</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L72" href="#L72">72</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/mina/filter/buffer/BufferedWriteFilter.html">BufferedWriteFilter</a>() {
<a class="jxr_linenumber" name="L73" href="#L73">73</a> <strong class="jxr_keyword">this</strong>(DEFAULT_BUFFER_SIZE, <strong class="jxr_keyword">null</strong>);
<a class="jxr_linenumber" name="L74" href="#L74">74</a> }
<a class="jxr_linenumber" name="L75" href="#L75">75</a>
<a class="jxr_linenumber" name="L76" href="#L76">76</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L77" href="#L77">77</a> <em class="jxr_javadoccomment"> * Constructor which sets buffer size to &lt;code&gt;bufferSize&lt;/code&gt;.Uses a default</em>
<a class="jxr_linenumber" name="L78" href="#L78">78</a> <em class="jxr_javadoccomment"> * instance of {@link ConcurrentHashMap}.</em>
<a class="jxr_linenumber" name="L79" href="#L79">79</a> <em class="jxr_javadoccomment"> * </em>
<a class="jxr_linenumber" name="L80" href="#L80">80</a> <em class="jxr_javadoccomment"> * @param bufferSize the new buffer size</em>
<a class="jxr_linenumber" name="L81" href="#L81">81</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L82" href="#L82">82</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/mina/filter/buffer/BufferedWriteFilter.html">BufferedWriteFilter</a>(<strong class="jxr_keyword">int</strong> bufferSize) {
<a class="jxr_linenumber" name="L83" href="#L83">83</a> <strong class="jxr_keyword">this</strong>(bufferSize, <strong class="jxr_keyword">null</strong>);
<a class="jxr_linenumber" name="L84" href="#L84">84</a> }
<a class="jxr_linenumber" name="L85" href="#L85">85</a>
<a class="jxr_linenumber" name="L86" href="#L86">86</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L87" href="#L87">87</a> <em class="jxr_javadoccomment"> * Constructor which sets buffer size to &lt;code&gt;bufferSize&lt;/code&gt;. If</em>
<a class="jxr_linenumber" name="L88" href="#L88">88</a> <em class="jxr_javadoccomment"> * &lt;code&gt;buffersMap&lt;/code&gt; is null then a default instance of {@link ConcurrentHashMap}</em>
<a class="jxr_linenumber" name="L89" href="#L89">89</a> <em class="jxr_javadoccomment"> * is created else the provided instance is used.</em>
<a class="jxr_linenumber" name="L90" href="#L90">90</a> <em class="jxr_javadoccomment"> * </em>
<a class="jxr_linenumber" name="L91" href="#L91">91</a> <em class="jxr_javadoccomment"> * @param bufferSize the new buffer size</em>
<a class="jxr_linenumber" name="L92" href="#L92">92</a> <em class="jxr_javadoccomment"> * @param buffersMap the map to use for storing each session buffer</em>
<a class="jxr_linenumber" name="L93" href="#L93">93</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L94" href="#L94">94</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/mina/filter/buffer/BufferedWriteFilter.html">BufferedWriteFilter</a>(<strong class="jxr_keyword">int</strong> bufferSize, LazyInitializedCacheMap&lt;IoSession, IoBuffer&gt; buffersMap) {
<a class="jxr_linenumber" name="L95" href="#L95">95</a> <strong class="jxr_keyword">super</strong>();
<a class="jxr_linenumber" name="L96" href="#L96">96</a> <strong class="jxr_keyword">this</strong>.bufferSize = bufferSize;
<a class="jxr_linenumber" name="L97" href="#L97">97</a> <strong class="jxr_keyword">if</strong> (buffersMap == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="L98" href="#L98">98</a> <strong class="jxr_keyword">this</strong>.buffersMap = <strong class="jxr_keyword">new</strong> LazyInitializedCacheMap&lt;IoSession, IoBuffer&gt;();
<a class="jxr_linenumber" name="L99" href="#L99">99</a> } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="L100" href="#L100">100</a> <strong class="jxr_keyword">this</strong>.buffersMap = buffersMap;
<a class="jxr_linenumber" name="L101" href="#L101">101</a> }
<a class="jxr_linenumber" name="L102" href="#L102">102</a> }
<a class="jxr_linenumber" name="L103" href="#L103">103</a>
<a class="jxr_linenumber" name="L104" href="#L104">104</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L105" href="#L105">105</a> <em class="jxr_javadoccomment"> * Returns buffer size.</em>
<a class="jxr_linenumber" name="L106" href="#L106">106</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L107" href="#L107">107</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getBufferSize() {
<a class="jxr_linenumber" name="L108" href="#L108">108</a> <strong class="jxr_keyword">return</strong> bufferSize;
<a class="jxr_linenumber" name="L109" href="#L109">109</a> }
<a class="jxr_linenumber" name="L110" href="#L110">110</a>
<a class="jxr_linenumber" name="L111" href="#L111">111</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L112" href="#L112">112</a> <em class="jxr_javadoccomment"> * Sets the buffer size but only for the newly created buffers.</em>
<a class="jxr_linenumber" name="L113" href="#L113">113</a> <em class="jxr_javadoccomment"> * </em>
<a class="jxr_linenumber" name="L114" href="#L114">114</a> <em class="jxr_javadoccomment"> * @param bufferSize the new buffer size</em>
<a class="jxr_linenumber" name="L115" href="#L115">115</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L116" href="#L116">116</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setBufferSize(<strong class="jxr_keyword">int</strong> bufferSize) {
<a class="jxr_linenumber" name="L117" href="#L117">117</a> <strong class="jxr_keyword">this</strong>.bufferSize = bufferSize;
<a class="jxr_linenumber" name="L118" href="#L118">118</a> }
<a class="jxr_linenumber" name="L119" href="#L119">119</a>
<a class="jxr_linenumber" name="L120" href="#L120">120</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L121" href="#L121">121</a> <em class="jxr_javadoccomment"> * {@inheritDoc}</em>
<a class="jxr_linenumber" name="L122" href="#L122">122</a> <em class="jxr_javadoccomment"> * </em>
<a class="jxr_linenumber" name="L123" href="#L123">123</a> <em class="jxr_javadoccomment"> * @throws Exception if &lt;code&gt;writeRequest.message&lt;/code&gt; isn't an</em>
<a class="jxr_linenumber" name="L124" href="#L124">124</a> <em class="jxr_javadoccomment"> * {@link IoBuffer} instance.</em>
<a class="jxr_linenumber" name="L125" href="#L125">125</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L126" href="#L126">126</a> @Override
<a class="jxr_linenumber" name="L127" href="#L127">127</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> filterWrite(<a href="../../../../../org/apache/mina/core/filterchain/IoFilter.html">NextFilter</a> nextFilter, <a href="../../../../../org/apache/mina/core/session/IoSession.html">IoSession</a> session, <a href="../../../../../org/apache/mina/core/write/WriteRequest.html">WriteRequest</a> writeRequest) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="L128" href="#L128">128</a>
<a class="jxr_linenumber" name="L129" href="#L129">129</a> Object data = writeRequest.getMessage();
<a class="jxr_linenumber" name="L130" href="#L130">130</a>
<a class="jxr_linenumber" name="L131" href="#L131">131</a> <strong class="jxr_keyword">if</strong> (data instanceof IoBuffer) {
<a class="jxr_linenumber" name="L132" href="#L132">132</a> write(session, (IoBuffer) data);
<a class="jxr_linenumber" name="L133" href="#L133">133</a> } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="L134" href="#L134">134</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"This filter should only buffer IoBuffer objects"</span>);
<a class="jxr_linenumber" name="L135" href="#L135">135</a> }
<a class="jxr_linenumber" name="L136" href="#L136">136</a> }
<a class="jxr_linenumber" name="L137" href="#L137">137</a>
<a class="jxr_linenumber" name="L138" href="#L138">138</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L139" href="#L139">139</a> <em class="jxr_javadoccomment"> * Writes an {@link IoBuffer} to the session's buffer.</em>
<a class="jxr_linenumber" name="L140" href="#L140">140</a> <em class="jxr_javadoccomment"> * </em>
<a class="jxr_linenumber" name="L141" href="#L141">141</a> <em class="jxr_javadoccomment"> * @param session the session to which a write is requested</em>
<a class="jxr_linenumber" name="L142" href="#L142">142</a> <em class="jxr_javadoccomment"> * @param data the data to buffer</em>
<a class="jxr_linenumber" name="L143" href="#L143">143</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L144" href="#L144">144</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> write(<a href="../../../../../org/apache/mina/core/session/IoSession.html">IoSession</a> session, <a href="../../../../../org/apache/mina/core/buffer/IoBuffer.html">IoBuffer</a> data) {
<a class="jxr_linenumber" name="L145" href="#L145">145</a> <a href="../../../../../org/apache/mina/core/buffer/IoBuffer.html">IoBuffer</a> dest = buffersMap.putIfAbsent(session, <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/mina/filter/buffer/IoBufferLazyInitializer.html">IoBufferLazyInitializer</a>(bufferSize));
<a class="jxr_linenumber" name="L146" href="#L146">146</a>
<a class="jxr_linenumber" name="L147" href="#L147">147</a> write(session, data, dest);
<a class="jxr_linenumber" name="L148" href="#L148">148</a> }
<a class="jxr_linenumber" name="L149" href="#L149">149</a>
<a class="jxr_linenumber" name="L150" href="#L150">150</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L151" href="#L151">151</a> <em class="jxr_javadoccomment"> * Writes &lt;code&gt;data&lt;/code&gt; {@link IoBuffer} to the &lt;code&gt;buf&lt;/code&gt;</em>
<a class="jxr_linenumber" name="L152" href="#L152">152</a> <em class="jxr_javadoccomment"> * {@link IoBuffer} which buffers write requests for the</em>
<a class="jxr_linenumber" name="L153" href="#L153">153</a> <em class="jxr_javadoccomment"> * &lt;code&gt;session&lt;/code&gt; {@ link IoSession} until buffer is full</em>
<a class="jxr_linenumber" name="L154" href="#L154">154</a> <em class="jxr_javadoccomment"> * or manually flushed.</em>
<a class="jxr_linenumber" name="L155" href="#L155">155</a> <em class="jxr_javadoccomment"> * </em>
<a class="jxr_linenumber" name="L156" href="#L156">156</a> <em class="jxr_javadoccomment"> * @param session the session where buffer will be written</em>
<a class="jxr_linenumber" name="L157" href="#L157">157</a> <em class="jxr_javadoccomment"> * @param data the data to buffer</em>
<a class="jxr_linenumber" name="L158" href="#L158">158</a> <em class="jxr_javadoccomment"> * @param buf the buffer where data will be temporarily written</em>
<a class="jxr_linenumber" name="L159" href="#L159">159</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L160" href="#L160">160</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> write(<a href="../../../../../org/apache/mina/core/session/IoSession.html">IoSession</a> session, <a href="../../../../../org/apache/mina/core/buffer/IoBuffer.html">IoBuffer</a> data, <a href="../../../../../org/apache/mina/core/buffer/IoBuffer.html">IoBuffer</a> buf) {
<a class="jxr_linenumber" name="L161" href="#L161">161</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="L162" href="#L162">162</a> <strong class="jxr_keyword">int</strong> len = data.remaining();
<a class="jxr_linenumber" name="L163" href="#L163">163</a> <strong class="jxr_keyword">if</strong> (len &gt;= buf.capacity()) {
<a class="jxr_linenumber" name="L164" href="#L164">164</a> <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="L165" href="#L165">165</a> <em class="jxr_comment"> * If the request length exceeds the size of the output buffer,</em>
<a class="jxr_linenumber" name="L166" href="#L166">166</a> <em class="jxr_comment"> * flush the output buffer and then write the data directly.</em>
<a class="jxr_linenumber" name="L167" href="#L167">167</a> <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="L168" href="#L168">168</a> <a href="../../../../../org/apache/mina/core/filterchain/IoFilter.html">NextFilter</a> nextFilter = session.getFilterChain().getNextFilter(<strong class="jxr_keyword">this</strong>);
<a class="jxr_linenumber" name="L169" href="#L169">169</a> internalFlush(nextFilter, session, buf);
<a class="jxr_linenumber" name="L170" href="#L170">170</a> nextFilter.filterWrite(session, <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/mina/core/write/DefaultWriteRequest.html">DefaultWriteRequest</a>(data));
<a class="jxr_linenumber" name="L171" href="#L171">171</a> <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="L172" href="#L172">172</a> }
<a class="jxr_linenumber" name="L173" href="#L173">173</a> <strong class="jxr_keyword">if</strong> (len &gt; (buf.limit() - buf.position())) {
<a class="jxr_linenumber" name="L174" href="#L174">174</a> internalFlush(session.getFilterChain().getNextFilter(<strong class="jxr_keyword">this</strong>), session, buf);
<a class="jxr_linenumber" name="L175" href="#L175">175</a> }
<a class="jxr_linenumber" name="L176" href="#L176">176</a> <strong class="jxr_keyword">synchronized</strong> (buf) {
<a class="jxr_linenumber" name="L177" href="#L177">177</a> buf.put(data);
<a class="jxr_linenumber" name="L178" href="#L178">178</a> }
<a class="jxr_linenumber" name="L179" href="#L179">179</a> } <strong class="jxr_keyword">catch</strong> (Exception e) {
<a class="jxr_linenumber" name="L180" href="#L180">180</a> session.getFilterChain().fireExceptionCaught(e);
<a class="jxr_linenumber" name="L181" href="#L181">181</a> }
<a class="jxr_linenumber" name="L182" href="#L182">182</a> }
<a class="jxr_linenumber" name="L183" href="#L183">183</a>
<a class="jxr_linenumber" name="L184" href="#L184">184</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L185" href="#L185">185</a> <em class="jxr_javadoccomment"> * Internal method that actually flushes the buffered data.</em>
<a class="jxr_linenumber" name="L186" href="#L186">186</a> <em class="jxr_javadoccomment"> * </em>
<a class="jxr_linenumber" name="L187" href="#L187">187</a> <em class="jxr_javadoccomment"> * @param nextFilter the {@link NextFilter} of this filter</em>
<a class="jxr_linenumber" name="L188" href="#L188">188</a> <em class="jxr_javadoccomment"> * @param session the session where buffer will be written</em>
<a class="jxr_linenumber" name="L189" href="#L189">189</a> <em class="jxr_javadoccomment"> * @param buf the data to write</em>
<a class="jxr_linenumber" name="L190" href="#L190">190</a> <em class="jxr_javadoccomment"> * @throws Exception if a write operation fails</em>
<a class="jxr_linenumber" name="L191" href="#L191">191</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L192" href="#L192">192</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> internalFlush(<a href="../../../../../org/apache/mina/core/filterchain/IoFilter.html">NextFilter</a> nextFilter, <a href="../../../../../org/apache/mina/core/session/IoSession.html">IoSession</a> session, <a href="../../../../../org/apache/mina/core/buffer/IoBuffer.html">IoBuffer</a> buf) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="L193" href="#L193">193</a> <a href="../../../../../org/apache/mina/core/buffer/IoBuffer.html">IoBuffer</a> tmp = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="L194" href="#L194">194</a> <strong class="jxr_keyword">synchronized</strong> (buf) {
<a class="jxr_linenumber" name="L195" href="#L195">195</a> buf.flip();
<a class="jxr_linenumber" name="L196" href="#L196">196</a> tmp = buf.duplicate();
<a class="jxr_linenumber" name="L197" href="#L197">197</a> buf.clear();
<a class="jxr_linenumber" name="L198" href="#L198">198</a> }
<a class="jxr_linenumber" name="L199" href="#L199">199</a> logger.debug(<span class="jxr_string">"Flushing buffer: {}"</span>, tmp);
<a class="jxr_linenumber" name="L200" href="#L200">200</a> nextFilter.filterWrite(session, <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/mina/core/write/DefaultWriteRequest.html">DefaultWriteRequest</a>(tmp));
<a class="jxr_linenumber" name="L201" href="#L201">201</a> }
<a class="jxr_linenumber" name="L202" href="#L202">202</a>
<a class="jxr_linenumber" name="L203" href="#L203">203</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L204" href="#L204">204</a> <em class="jxr_javadoccomment"> * Flushes the buffered data.</em>
<a class="jxr_linenumber" name="L205" href="#L205">205</a> <em class="jxr_javadoccomment"> * </em>
<a class="jxr_linenumber" name="L206" href="#L206">206</a> <em class="jxr_javadoccomment"> * @param session the session where buffer will be written</em>
<a class="jxr_linenumber" name="L207" href="#L207">207</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L208" href="#L208">208</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> flush(<a href="../../../../../org/apache/mina/core/session/IoSession.html">IoSession</a> session) {
<a class="jxr_linenumber" name="L209" href="#L209">209</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="L210" href="#L210">210</a> internalFlush(session.getFilterChain().getNextFilter(<strong class="jxr_keyword">this</strong>), session, buffersMap.get(session));
<a class="jxr_linenumber" name="L211" href="#L211">211</a> } <strong class="jxr_keyword">catch</strong> (Exception e) {
<a class="jxr_linenumber" name="L212" href="#L212">212</a> session.getFilterChain().fireExceptionCaught(e);
<a class="jxr_linenumber" name="L213" href="#L213">213</a> }
<a class="jxr_linenumber" name="L214" href="#L214">214</a> }
<a class="jxr_linenumber" name="L215" href="#L215">215</a>
<a class="jxr_linenumber" name="L216" href="#L216">216</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L217" href="#L217">217</a> <em class="jxr_javadoccomment"> * Internal method that actually frees the {@link IoBuffer} that contains</em>
<a class="jxr_linenumber" name="L218" href="#L218">218</a> <em class="jxr_javadoccomment"> * the buffered data that has not been flushed.</em>
<a class="jxr_linenumber" name="L219" href="#L219">219</a> <em class="jxr_javadoccomment"> * </em>
<a class="jxr_linenumber" name="L220" href="#L220">220</a> <em class="jxr_javadoccomment"> * @param session the session we operate on</em>
<a class="jxr_linenumber" name="L221" href="#L221">221</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L222" href="#L222">222</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> free(<a href="../../../../../org/apache/mina/core/session/IoSession.html">IoSession</a> session) {
<a class="jxr_linenumber" name="L223" href="#L223">223</a> <a href="../../../../../org/apache/mina/core/buffer/IoBuffer.html">IoBuffer</a> buf = buffersMap.remove(session);
<a class="jxr_linenumber" name="L224" href="#L224">224</a> <strong class="jxr_keyword">if</strong> (buf != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="L225" href="#L225">225</a> buf.free();
<a class="jxr_linenumber" name="L226" href="#L226">226</a> }
<a class="jxr_linenumber" name="L227" href="#L227">227</a> }
<a class="jxr_linenumber" name="L228" href="#L228">228</a>
<a class="jxr_linenumber" name="L229" href="#L229">229</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L230" href="#L230">230</a> <em class="jxr_javadoccomment"> * {@inheritDoc}</em>
<a class="jxr_linenumber" name="L231" href="#L231">231</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L232" href="#L232">232</a> @Override
<a class="jxr_linenumber" name="L233" href="#L233">233</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> exceptionCaught(<a href="../../../../../org/apache/mina/core/filterchain/IoFilter.html">NextFilter</a> nextFilter, <a href="../../../../../org/apache/mina/core/session/IoSession.html">IoSession</a> session, Throwable cause) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="L234" href="#L234">234</a> free(session);
<a class="jxr_linenumber" name="L235" href="#L235">235</a> nextFilter.exceptionCaught(session, cause);
<a class="jxr_linenumber" name="L236" href="#L236">236</a> }
<a class="jxr_linenumber" name="L237" href="#L237">237</a>
<a class="jxr_linenumber" name="L238" href="#L238">238</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L239" href="#L239">239</a> <em class="jxr_javadoccomment"> * {@inheritDoc}</em>
<a class="jxr_linenumber" name="L240" href="#L240">240</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L241" href="#L241">241</a> @Override
<a class="jxr_linenumber" name="L242" href="#L242">242</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> sessionClosed(<a href="../../../../../org/apache/mina/core/filterchain/IoFilter.html">NextFilter</a> nextFilter, <a href="../../../../../org/apache/mina/core/session/IoSession.html">IoSession</a> session) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="L243" href="#L243">243</a> free(session);
<a class="jxr_linenumber" name="L244" href="#L244">244</a> nextFilter.sessionClosed(session);
<a class="jxr_linenumber" name="L245" href="#L245">245</a> }
<a class="jxr_linenumber" name="L246" href="#L246">246</a> }
</pre>
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