blob: 910a8063f191a7c7f51be273d96829587198d388 [file] [log] [blame]
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<title>BufferedWriteFilter xref</title>
<link type="text/css" rel="stylesheet" href="../../../../../stylesheet.css" />
</head>
<body>
<div id="overview"><a href="../../../../../../apidocs/org/apache/mina/filter/buffer/BufferedWriteFilter.html">View Javadoc</a></div><pre>
<a name="1" href="#1">1</a> <em class="jxr_comment">/*</em>
<a name="2" href="#2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em>
<a name="3" href="#3">3</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em>
<a name="4" href="#4">4</a> <em class="jxr_comment"> * distributed with this work for additional information</em>
<a name="5" href="#5">5</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em>
<a name="6" href="#6">6</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em>
<a name="7" href="#7">7</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em>
<a name="8" href="#8">8</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em>
<a name="9" href="#9">9</a> <em class="jxr_comment"> *</em>
<a 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 name="11" href="#11">11</a> <em class="jxr_comment"> *</em>
<a name="12" href="#12">12</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em>
<a name="13" href="#13">13</a> <em class="jxr_comment"> * software distributed under the License is distributed on an</em>
<a name="14" href="#14">14</a> <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em>
<a name="15" href="#15">15</a> <em class="jxr_comment"> * KIND, either express or implied. See the License for the</em>
<a name="16" href="#16">16</a> <em class="jxr_comment"> * specific language governing permissions and limitations</em>
<a name="17" href="#17">17</a> <em class="jxr_comment"> * under the License.</em>
<a name="18" href="#18">18</a> <em class="jxr_comment"> *</em>
<a name="19" href="#19">19</a> <em class="jxr_comment"> */</em>
<a name="20" href="#20">20</a> <strong class="jxr_keyword">package</strong> org.apache.mina.filter.buffer;
<a name="21" href="#21">21</a>
<a name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> java.io.BufferedOutputStream;
<a name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ConcurrentHashMap;
<a name="24" href="#24">24</a>
<a name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> org.apache.mina.core.buffer.IoBuffer;
<a name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> org.apache.mina.core.filterchain.IoFilter;
<a name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> org.apache.mina.core.filterchain.IoFilterAdapter;
<a name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> org.apache.mina.core.session.IoSession;
<a name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> org.apache.mina.core.write.DefaultWriteRequest;
<a name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> org.apache.mina.core.write.WriteRequest;
<a name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> org.apache.mina.filter.codec.ProtocolCodecFilter;
<a name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> org.apache.mina.util.LazyInitializedCacheMap;
<a name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> org.slf4j.Logger;
<a name="34" href="#34">34</a> <strong class="jxr_keyword">import</strong> org.slf4j.LoggerFactory;
<a name="35" href="#35">35</a>
<a name="36" href="#36">36</a> <em class="jxr_javadoccomment">/**</em>
<a name="37" href="#37">37</a> <em class="jxr_javadoccomment"> * An {@link IoFilter} implementation used to buffer outgoing {@link WriteRequest} almost </em>
<a name="38" href="#38">38</a> <em class="jxr_javadoccomment"> * like what {@link BufferedOutputStream} does. Using this filter allows to be less dependent </em>
<a name="39" href="#39">39</a> <em class="jxr_javadoccomment"> * from network latency. It is also useful when a session is generating very small messages </em>
<a name="40" href="#40">40</a> <em class="jxr_javadoccomment"> * too frequently and consequently generating unnecessary traffic overhead.</em>
<a name="41" href="#41">41</a> <em class="jxr_javadoccomment"> * </em>
<a name="42" href="#42">42</a> <em class="jxr_javadoccomment"> * Please note that it should always be placed before the {@link ProtocolCodecFilter} </em>
<a name="43" href="#43">43</a> <em class="jxr_javadoccomment"> * as it only handles {@link WriteRequest}'s carrying {@link IoBuffer} objects.</em>
<a name="44" href="#44">44</a> <em class="jxr_javadoccomment"> * </em>
<a name="45" href="#45">45</a> <em class="jxr_javadoccomment"> * @author The Apache MINA Project (dev@mina.apache.org)</em>
<a name="46" href="#46">46</a> <em class="jxr_javadoccomment"> * @since MINA 2.0.0-M2</em>
<a name="47" href="#47">47</a> <em class="jxr_javadoccomment"> * @org.apache.xbean.XBean</em>
<a name="48" href="#48">48</a> <em class="jxr_javadoccomment"> */</em>
<a name="49" href="#49">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 name="50" href="#50">50</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Logger logger = LoggerFactory
<a name="51" href="#51">51</a> .getLogger(BufferedWriteFilter.<strong class="jxr_keyword">class</strong>);
<a name="52" href="#52">52</a>
<a name="53" href="#53">53</a> <em class="jxr_javadoccomment">/**</em>
<a name="54" href="#54">54</a> <em class="jxr_javadoccomment"> * Default buffer size value in bytes.</em>
<a name="55" href="#55">55</a> <em class="jxr_javadoccomment"> */</em>
<a name="56" href="#56">56</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 name="57" href="#57">57</a>
<a name="58" href="#58">58</a> <em class="jxr_javadoccomment">/**</em>
<a name="59" href="#59">59</a> <em class="jxr_javadoccomment"> * The buffer size allocated for each new session's buffer.</em>
<a name="60" href="#60">60</a> <em class="jxr_javadoccomment"> */</em>
<a name="61" href="#61">61</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> bufferSize = DEFAULT_BUFFER_SIZE;
<a name="62" href="#62">62</a>
<a name="63" href="#63">63</a> <em class="jxr_javadoccomment">/**</em>
<a name="64" href="#64">64</a> <em class="jxr_javadoccomment"> * The map that matches an {@link IoSession} and it's {@link IoBuffer}</em>
<a name="65" href="#65">65</a> <em class="jxr_javadoccomment"> * buffer.</em>
<a name="66" href="#66">66</a> <em class="jxr_javadoccomment"> */</em>
<a name="67" href="#67">67</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> LazyInitializedCacheMap&lt;IoSession, IoBuffer&gt; buffersMap;
<a name="68" href="#68">68</a>
<a name="69" href="#69">69</a> <em class="jxr_javadoccomment">/**</em>
<a name="70" href="#70">70</a> <em class="jxr_javadoccomment"> * Default constructor. Sets buffer size to {@link #DEFAULT_BUFFER_SIZE}</em>
<a name="71" href="#71">71</a> <em class="jxr_javadoccomment"> * bytes. Uses a default instance of {@link ConcurrentHashMap}.</em>
<a name="72" href="#72">72</a> <em class="jxr_javadoccomment"> */</em>
<a name="73" href="#73">73</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/mina/filter/buffer/BufferedWriteFilter.html">BufferedWriteFilter</a>() {
<a name="74" href="#74">74</a> <strong class="jxr_keyword">this</strong>(DEFAULT_BUFFER_SIZE, <strong class="jxr_keyword">null</strong>);
<a name="75" href="#75">75</a> }
<a name="76" href="#76">76</a>
<a name="77" href="#77">77</a> <em class="jxr_javadoccomment">/**</em>
<a name="78" href="#78">78</a> <em class="jxr_javadoccomment"> * Constructor which sets buffer size to &lt;code&gt;bufferSize&lt;/code&gt;.Uses a default </em>
<a name="79" href="#79">79</a> <em class="jxr_javadoccomment"> * instance of {@link ConcurrentHashMap}.</em>
<a name="80" href="#80">80</a> <em class="jxr_javadoccomment"> * </em>
<a name="81" href="#81">81</a> <em class="jxr_javadoccomment"> * @param bufferSize the new buffer size</em>
<a name="82" href="#82">82</a> <em class="jxr_javadoccomment"> */</em>
<a name="83" href="#83">83</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 name="84" href="#84">84</a> <strong class="jxr_keyword">this</strong>(bufferSize, <strong class="jxr_keyword">null</strong>);
<a name="85" href="#85">85</a> }
<a name="86" href="#86">86</a>
<a name="87" href="#87">87</a> <em class="jxr_javadoccomment">/**</em>
<a name="88" href="#88">88</a> <em class="jxr_javadoccomment"> * Constructor which sets buffer size to &lt;code&gt;bufferSize&lt;/code&gt;. If </em>
<a name="89" href="#89">89</a> <em class="jxr_javadoccomment"> * &lt;code&gt;buffersMap&lt;/code&gt; is null then a default instance of {@link ConcurrentHashMap} </em>
<a name="90" href="#90">90</a> <em class="jxr_javadoccomment"> * is created else the provided instance is used.</em>
<a name="91" href="#91">91</a> <em class="jxr_javadoccomment"> * </em>
<a name="92" href="#92">92</a> <em class="jxr_javadoccomment"> * @param bufferSize the new buffer size</em>
<a name="93" href="#93">93</a> <em class="jxr_javadoccomment"> * @param buffersMap the map to use for storing each session buffer </em>
<a name="94" href="#94">94</a> <em class="jxr_javadoccomment"> */</em>
<a name="95" href="#95">95</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 name="96" href="#96">96</a> LazyInitializedCacheMap&lt;IoSession, IoBuffer&gt; buffersMap) {
<a name="97" href="#97">97</a> <strong class="jxr_keyword">super</strong>();
<a name="98" href="#98">98</a> <strong class="jxr_keyword">this</strong>.bufferSize = bufferSize;
<a name="99" href="#99">99</a> <strong class="jxr_keyword">if</strong> (buffersMap == <strong class="jxr_keyword">null</strong>) {
<a name="100" href="#100">100</a> <strong class="jxr_keyword">this</strong>.buffersMap = <strong class="jxr_keyword">new</strong> LazyInitializedCacheMap&lt;IoSession, IoBuffer&gt;();
<a name="101" href="#101">101</a> } <strong class="jxr_keyword">else</strong> {
<a name="102" href="#102">102</a> <strong class="jxr_keyword">this</strong>.buffersMap = buffersMap;
<a name="103" href="#103">103</a> }
<a name="104" href="#104">104</a> }
<a name="105" href="#105">105</a>
<a name="106" href="#106">106</a> <em class="jxr_javadoccomment">/**</em>
<a name="107" href="#107">107</a> <em class="jxr_javadoccomment"> * Returns buffer size.</em>
<a name="108" href="#108">108</a> <em class="jxr_javadoccomment"> */</em>
<a name="109" href="#109">109</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getBufferSize() {
<a name="110" href="#110">110</a> <strong class="jxr_keyword">return</strong> bufferSize;
<a name="111" href="#111">111</a> }
<a name="112" href="#112">112</a>
<a name="113" href="#113">113</a> <em class="jxr_javadoccomment">/**</em>
<a name="114" href="#114">114</a> <em class="jxr_javadoccomment"> * Sets the buffer size but only for the newly created buffers.</em>
<a name="115" href="#115">115</a> <em class="jxr_javadoccomment"> * </em>
<a name="116" href="#116">116</a> <em class="jxr_javadoccomment"> * @param bufferSize the new buffer size</em>
<a name="117" href="#117">117</a> <em class="jxr_javadoccomment"> */</em>
<a name="118" href="#118">118</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setBufferSize(<strong class="jxr_keyword">int</strong> bufferSize) {
<a name="119" href="#119">119</a> <strong class="jxr_keyword">this</strong>.bufferSize = bufferSize;
<a name="120" href="#120">120</a> }
<a name="121" href="#121">121</a>
<a name="122" href="#122">122</a> <em class="jxr_javadoccomment">/**</em>
<a name="123" href="#123">123</a> <em class="jxr_javadoccomment"> * {@inheritDoc}</em>
<a name="124" href="#124">124</a> <em class="jxr_javadoccomment"> * </em>
<a name="125" href="#125">125</a> <em class="jxr_javadoccomment"> * @throws Exception if &lt;code&gt;writeRequest.message&lt;/code&gt; isn't an</em>
<a name="126" href="#126">126</a> <em class="jxr_javadoccomment"> * {@link IoBuffer} instance.</em>
<a name="127" href="#127">127</a> <em class="jxr_javadoccomment"> */</em>
<a name="128" href="#128">128</a> @Override
<a name="129" href="#129">129</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 name="130" href="#130">130</a> <a href="../../../../../org/apache/mina/core/write/WriteRequest.html">WriteRequest</a> writeRequest) <strong class="jxr_keyword">throws</strong> Exception {
<a name="131" href="#131">131</a>
<a name="132" href="#132">132</a> Object data = writeRequest.getMessage();
<a name="133" href="#133">133</a>
<a name="134" href="#134">134</a> <strong class="jxr_keyword">if</strong> (data instanceof IoBuffer) {
<a name="135" href="#135">135</a> write(session, (IoBuffer) data);
<a name="136" href="#136">136</a> } <strong class="jxr_keyword">else</strong> {
<a name="137" href="#137">137</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(
<a name="138" href="#138">138</a> <span class="jxr_string">"This filter should only buffer IoBuffer objects"</span>);
<a name="139" href="#139">139</a> }
<a name="140" href="#140">140</a> }
<a name="141" href="#141">141</a>
<a name="142" href="#142">142</a> <em class="jxr_javadoccomment">/**</em>
<a name="143" href="#143">143</a> <em class="jxr_javadoccomment"> * Writes an {@link IoBuffer} to the session's buffer.</em>
<a name="144" href="#144">144</a> <em class="jxr_javadoccomment"> * </em>
<a name="145" href="#145">145</a> <em class="jxr_javadoccomment"> * @param session the session to which a write is requested</em>
<a name="146" href="#146">146</a> <em class="jxr_javadoccomment"> * @param data the data to buffer</em>
<a name="147" href="#147">147</a> <em class="jxr_javadoccomment"> */</em>
<a name="148" href="#148">148</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 name="149" href="#149">149</a> <a href="../../../../../org/apache/mina/core/buffer/IoBuffer.html">IoBuffer</a> dest = buffersMap.putIfAbsent(session,
<a name="150" href="#150">150</a> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/mina/filter/buffer/IoBufferLazyInitializer.html">IoBufferLazyInitializer</a>(bufferSize));
<a name="151" href="#151">151</a>
<a name="152" href="#152">152</a> write(session, data, dest);
<a name="153" href="#153">153</a> }
<a name="154" href="#154">154</a>
<a name="155" href="#155">155</a> <em class="jxr_javadoccomment">/**</em>
<a name="156" href="#156">156</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 name="157" href="#157">157</a> <em class="jxr_javadoccomment"> * {@link IoBuffer} which buffers write requests for the</em>
<a name="158" href="#158">158</a> <em class="jxr_javadoccomment"> * &lt;code&gt;session&lt;/code&gt; {@ link IoSession} until buffer is full </em>
<a name="159" href="#159">159</a> <em class="jxr_javadoccomment"> * or manually flushed.</em>
<a name="160" href="#160">160</a> <em class="jxr_javadoccomment"> * </em>
<a name="161" href="#161">161</a> <em class="jxr_javadoccomment"> * @param session the session where buffer will be written</em>
<a name="162" href="#162">162</a> <em class="jxr_javadoccomment"> * @param data the data to buffer</em>
<a name="163" href="#163">163</a> <em class="jxr_javadoccomment"> * @param buf the buffer where data will be temporarily written </em>
<a name="164" href="#164">164</a> <em class="jxr_javadoccomment"> */</em>
<a name="165" href="#165">165</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 name="166" href="#166">166</a> <strong class="jxr_keyword">try</strong> {
<a name="167" href="#167">167</a> <strong class="jxr_keyword">int</strong> len = data.remaining();
<a name="168" href="#168">168</a> <strong class="jxr_keyword">if</strong> (len &gt;= buf.capacity()) {
<a name="169" href="#169">169</a> <em class="jxr_comment">/*</em>
<a name="170" href="#170">170</a> <em class="jxr_comment"> * If the request length exceeds the size of the output buffer,</em>
<a name="171" href="#171">171</a> <em class="jxr_comment"> * flush the output buffer and then write the data directly.</em>
<a name="172" href="#172">172</a> <em class="jxr_comment"> */</em>
<a name="173" href="#173">173</a> <a href="../../../../../org/apache/mina/core/filterchain/IoFilter.html">NextFilter</a> nextFilter = session.getFilterChain().getNextFilter(
<a name="174" href="#174">174</a> <strong class="jxr_keyword">this</strong>);
<a name="175" href="#175">175</a> internalFlush(nextFilter, session, buf);
<a name="176" href="#176">176</a> nextFilter.filterWrite(session, <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/mina/core/write/DefaultWriteRequest.html">DefaultWriteRequest</a>(data));
<a name="177" href="#177">177</a> <strong class="jxr_keyword">return</strong>;
<a name="178" href="#178">178</a> }
<a name="179" href="#179">179</a> <strong class="jxr_keyword">if</strong> (len &gt; (buf.limit() - buf.position())) {
<a name="180" href="#180">180</a> internalFlush(session.getFilterChain().getNextFilter(<strong class="jxr_keyword">this</strong>),
<a name="181" href="#181">181</a> session, buf);
<a name="182" href="#182">182</a> }
<a name="183" href="#183">183</a> <strong class="jxr_keyword">synchronized</strong> (buf) {
<a name="184" href="#184">184</a> buf.put(data);
<a name="185" href="#185">185</a> }
<a name="186" href="#186">186</a> } <strong class="jxr_keyword">catch</strong> (Throwable e) {
<a name="187" href="#187">187</a> session.getFilterChain().fireExceptionCaught(e);
<a name="188" href="#188">188</a> }
<a name="189" href="#189">189</a> }
<a name="190" href="#190">190</a>
<a name="191" href="#191">191</a> <em class="jxr_javadoccomment">/**</em>
<a name="192" href="#192">192</a> <em class="jxr_javadoccomment"> * Internal method that actually flushes the buffered data.</em>
<a name="193" href="#193">193</a> <em class="jxr_javadoccomment"> * </em>
<a name="194" href="#194">194</a> <em class="jxr_javadoccomment"> * @param nextFilter the {@link NextFilter} of this filter</em>
<a name="195" href="#195">195</a> <em class="jxr_javadoccomment"> * @param session the session where buffer will be written</em>
<a name="196" href="#196">196</a> <em class="jxr_javadoccomment"> * @param buf the data to write</em>
<a name="197" href="#197">197</a> <em class="jxr_javadoccomment"> * @throws Exception if a write operation fails</em>
<a name="198" href="#198">198</a> <em class="jxr_javadoccomment"> */</em>
<a name="199" href="#199">199</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 name="200" href="#200">200</a> <a href="../../../../../org/apache/mina/core/buffer/IoBuffer.html">IoBuffer</a> buf) <strong class="jxr_keyword">throws</strong> Exception {
<a name="201" href="#201">201</a> <a href="../../../../../org/apache/mina/core/buffer/IoBuffer.html">IoBuffer</a> tmp = <strong class="jxr_keyword">null</strong>;
<a name="202" href="#202">202</a> <strong class="jxr_keyword">synchronized</strong> (buf) {
<a name="203" href="#203">203</a> buf.flip();
<a name="204" href="#204">204</a> tmp = buf.duplicate();
<a name="205" href="#205">205</a> buf.clear();
<a name="206" href="#206">206</a> }
<a name="207" href="#207">207</a> logger.debug(<span class="jxr_string">"Flushing buffer: {}"</span>, tmp);
<a name="208" href="#208">208</a> nextFilter.filterWrite(session, <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/mina/core/write/DefaultWriteRequest.html">DefaultWriteRequest</a>(tmp));
<a name="209" href="#209">209</a> }
<a name="210" href="#210">210</a>
<a name="211" href="#211">211</a> <em class="jxr_javadoccomment">/**</em>
<a name="212" href="#212">212</a> <em class="jxr_javadoccomment"> * Flushes the buffered data.</em>
<a name="213" href="#213">213</a> <em class="jxr_javadoccomment"> * </em>
<a name="214" href="#214">214</a> <em class="jxr_javadoccomment"> * @param session the session where buffer will be written</em>
<a name="215" href="#215">215</a> <em class="jxr_javadoccomment"> */</em>
<a name="216" href="#216">216</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 name="217" href="#217">217</a> <strong class="jxr_keyword">try</strong> {
<a name="218" href="#218">218</a> internalFlush(session.getFilterChain().getNextFilter(<strong class="jxr_keyword">this</strong>),
<a name="219" href="#219">219</a> session, buffersMap.get(session));
<a name="220" href="#220">220</a> } <strong class="jxr_keyword">catch</strong> (Throwable e) {
<a name="221" href="#221">221</a> session.getFilterChain().fireExceptionCaught(e);
<a name="222" href="#222">222</a> }
<a name="223" href="#223">223</a> }
<a name="224" href="#224">224</a>
<a name="225" href="#225">225</a> <em class="jxr_javadoccomment">/**</em>
<a name="226" href="#226">226</a> <em class="jxr_javadoccomment"> * Internal method that actually frees the {@link IoBuffer} that contains</em>
<a name="227" href="#227">227</a> <em class="jxr_javadoccomment"> * the buffered data that has not been flushed.</em>
<a name="228" href="#228">228</a> <em class="jxr_javadoccomment"> * </em>
<a name="229" href="#229">229</a> <em class="jxr_javadoccomment"> * @param session the session we operate on</em>
<a name="230" href="#230">230</a> <em class="jxr_javadoccomment"> */</em>
<a name="231" href="#231">231</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 name="232" href="#232">232</a> <a href="../../../../../org/apache/mina/core/buffer/IoBuffer.html">IoBuffer</a> buf = buffersMap.remove(session);
<a name="233" href="#233">233</a> <strong class="jxr_keyword">if</strong> (buf != <strong class="jxr_keyword">null</strong>) {
<a name="234" href="#234">234</a> buf.free();
<a name="235" href="#235">235</a> }
<a name="236" href="#236">236</a> }
<a name="237" href="#237">237</a>
<a name="238" href="#238">238</a> <em class="jxr_javadoccomment">/**</em>
<a name="239" href="#239">239</a> <em class="jxr_javadoccomment"> * {@inheritDoc}</em>
<a name="240" href="#240">240</a> <em class="jxr_javadoccomment"> */</em>
<a name="241" href="#241">241</a> @Override
<a name="242" href="#242">242</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,
<a name="243" href="#243">243</a> Throwable cause) <strong class="jxr_keyword">throws</strong> Exception {
<a name="244" href="#244">244</a> free(session);
<a name="245" href="#245">245</a> nextFilter.exceptionCaught(session, cause);
<a name="246" href="#246">246</a> }
<a name="247" href="#247">247</a>
<a name="248" href="#248">248</a> <em class="jxr_javadoccomment">/**</em>
<a name="249" href="#249">249</a> <em class="jxr_javadoccomment"> * {@inheritDoc}</em>
<a name="250" href="#250">250</a> <em class="jxr_javadoccomment"> */</em>
<a name="251" href="#251">251</a> @Override
<a name="252" href="#252">252</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)
<a name="253" href="#253">253</a> <strong class="jxr_keyword">throws</strong> Exception {
<a name="254" href="#254">254</a> free(session);
<a name="255" href="#255">255</a> nextFilter.sessionClosed(session);
<a name="256" href="#256">256</a> }
<a name="257" href="#257">257</a> }
</pre>
<hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
</html>