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| <div id="overview"><a href="../../../../../../apidocs/org/apache/mina/examples/httpserver/HttpProtocolHandler.html">View Javadoc</a></div><pre> |
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| <a name="1" href="#1">1</a> <em class="comment">/*</em>
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| <a name="2" href="#2">2</a> <em class="comment"> * @(#) $Id: HttpProtocolHandler.java 210062 2005-07-11 03:52:38Z trustin $</em>
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| <a name="3" href="#3">3</a> <em class="comment"> *</em>
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| <a name="4" href="#4">4</a> <em class="comment"> * Copyright 2004 The Apache Software Foundation</em>
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| <a name="5" href="#5">5</a> <em class="comment"> *</em>
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| <a name="6" href="#6">6</a> <em class="comment"> * Licensed under the Apache License, Version 2.0 (the "License");</em>
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| <a name="7" href="#7">7</a> <em class="comment"> * you may not use this file except in compliance with the License.</em>
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| <a name="8" href="#8">8</a> <em class="comment"> * You may obtain a copy of the License at</em>
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| <a name="9" href="#9">9</a> <em class="comment"> *</em>
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| <a name="10" href="#10">10</a> <em class="comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
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| <a name="11" href="#11">11</a> <em class="comment"> *</em>
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| <a name="12" href="#12">12</a> <em class="comment"> * Unless required by applicable law or agreed to in writing, software</em>
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| <a name="13" href="#13">13</a> <em class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
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| <a name="14" href="#14">14</a> <em class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
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| <a name="15" href="#15">15</a> <em class="comment"> * See the License for the specific language governing permissions and</em>
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| <a name="16" href="#16">16</a> <em class="comment"> * limitations under the License.</em>
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| <a name="17" href="#17">17</a> <em class="comment"> *</em>
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| <a name="18" href="#18">18</a> <em class="comment"> */</em>
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| <a name="19" href="#19">19</a> <strong>package</strong> <a href="../../../../../org/apache/mina/examples/httpserver/package-summary.html">org.apache.mina.examples.httpserver</a>;
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| <a name="20" href="#20">20</a>
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| <a name="21" href="#21">21</a> <strong>import</strong> java.io.BufferedReader;
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| <a name="22" href="#22">22</a> <strong>import</strong> java.io.BufferedWriter;
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| <a name="23" href="#23">23</a> <strong>import</strong> java.io.IOException;
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| <a name="24" href="#24">24</a> <strong>import</strong> java.io.InputStream;
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| <a name="25" href="#25">25</a> <strong>import</strong> java.io.InputStreamReader;
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| <a name="26" href="#26">26</a> <strong>import</strong> java.io.OutputStream;
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| <a name="27" href="#27">27</a> <strong>import</strong> java.io.OutputStreamWriter;
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| <a name="28" href="#28">28</a> <strong>import</strong> java.io.PrintWriter;
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| <a name="29" href="#29">29</a> <strong>import</strong> java.util.Iterator;
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| <a name="30" href="#30">30</a> <strong>import</strong> java.util.Map;
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| <a name="31" href="#31">31</a> <strong>import</strong> java.util.TreeMap;
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| <a name="32" href="#32">32</a> <strong>import</strong> java.util.Map.Entry;
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| <a name="33" href="#33">33</a>
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| <a name="34" href="#34">34</a> <strong>import</strong> org.apache.mina.io.IoSession;
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| <a name="35" href="#35">35</a> <strong>import</strong> org.apache.mina.io.handler.StreamIoHandler;
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| <a name="36" href="#36">36</a>
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| <a name="37" href="#37">37</a> <em>/**<em>*</em></em>
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| <a name="38" href="#38">38</a> <em> * A simplistic HTTP protocol handler that replies back the URL and headers</em>
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| <a name="39" href="#39">39</a> <em> * which a client requested.</em>
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| <a name="40" href="#40">40</a> <em> * </em>
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| <a name="41" href="#41">41</a> <em> * @author The Apache Directory Project (dev@directory.apache.org)</em>
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| <a name="42" href="#42">42</a> <em> * @author Trustin Lee (trustin@apache.org)</em>
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| <a name="43" href="#43">43</a> <em> * @version $Rev: 210062 $, $Date: 2005-07-11 12:52:38 +0900 $</em>
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| <a name="44" href="#44">44</a> <em> */</em>
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| <a name="45" href="#45">45</a> <strong>public</strong> <strong>class</strong> <a href="../../../../../org/apache/mina/examples/httpserver/HttpProtocolHandler.html">HttpProtocolHandler</a> <strong>extends</strong> StreamIoHandler
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| <a name="46" href="#46">46</a> {
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| <a name="47" href="#47">47</a> <strong>protected</strong> <strong>void</strong> processStreamIo( IoSession session, InputStream in,
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| <a name="48" href="#48">48</a> OutputStream out )
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| <a name="49" href="#49">49</a> {
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| <a name="50" href="#50">50</a> <em class="comment">// You *MUST* execute stream I/O logic in a separate thread.</em>
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| <a name="51" href="#51">51</a> <strong>new</strong> Worker( in, out ).start();
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| <a name="52" href="#52">52</a> }
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| <a name="53" href="#53">53</a>
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| <a name="54" href="#54">54</a> <strong>private</strong> <strong>static</strong> <strong>class</strong> Worker <strong>extends</strong> Thread
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| <a name="55" href="#55">55</a> {
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| <a name="56" href="#56">56</a> <strong>private</strong> <strong>final</strong> InputStream in;
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| <a name="57" href="#57">57</a> <strong>private</strong> <strong>final</strong> OutputStream out;
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| <a name="58" href="#58">58</a>
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| <a name="59" href="#59">59</a> <strong>public</strong> Worker( InputStream in, OutputStream out )
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| <a name="60" href="#60">60</a> {
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| <a name="61" href="#61">61</a> setDaemon( <strong>true</strong> );
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| <a name="62" href="#62">62</a> <strong>this</strong>.in = in;
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| <a name="63" href="#63">63</a> <strong>this</strong>.out = out;
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| <a name="64" href="#64">64</a> }
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| <a name="65" href="#65">65</a>
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| <a name="66" href="#66">66</a> <strong>public</strong> <strong>void</strong> run()
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| <a name="67" href="#67">67</a> {
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| <a name="68" href="#68">68</a> String url;
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| <a name="69" href="#69">69</a> Map headers = <strong>new</strong> TreeMap();
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| <a name="70" href="#70">70</a> BufferedReader in = <strong>new</strong> BufferedReader(
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| <a name="71" href="#71">71</a> <strong>new</strong> InputStreamReader( <strong>this</strong>.in ) );
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| <a name="72" href="#72">72</a> PrintWriter out = <strong>new</strong> PrintWriter(
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| <a name="73" href="#73">73</a> <strong>new</strong> BufferedWriter( <strong>new</strong> OutputStreamWriter( <strong>this</strong>.out ) ) );
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| <a name="74" href="#74">74</a>
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| <a name="75" href="#75">75</a> <strong>try</strong>
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| <a name="76" href="#76">76</a> {
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| <a name="77" href="#77">77</a> <em class="comment">// Get request URL.</em>
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| <a name="78" href="#78">78</a> url = in.readLine().split( <span class="string">" "</span> )[1];
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| <a name="79" href="#79">79</a>
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| <a name="80" href="#80">80</a> <em class="comment">// Read header</em>
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| <a name="81" href="#81">81</a> String line;
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| <a name="82" href="#82">82</a> <strong>while</strong> ( ( line = in.readLine() ) != <strong>null</strong> && !line.equals( <span class="string">""</span> ) )
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| <a name="83" href="#83">83</a> {
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| <a name="84" href="#84">84</a> String[] tokens = line.split(<span class="string">": "</span>);
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| <a name="85" href="#85">85</a> headers.put( tokens[0], tokens[1] );
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| <a name="86" href="#86">86</a> }
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| <a name="87" href="#87">87</a>
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| <a name="88" href="#88">88</a> <em class="comment">// Write header</em>
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| <a name="89" href="#89">89</a> out.println( <span class="string">"HTTP/1.0 200 OK"</span> );
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| <a name="90" href="#90">90</a> out.println( <span class="string">"Content-Type: text/html"</span> );
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| <a name="91" href="#91">91</a> out.println( <span class="string">"Server: MINA Example"</span> );
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| <a name="92" href="#92">92</a> out.println();
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| <a name="93" href="#93">93</a>
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| <a name="94" href="#94">94</a> <em class="comment">// Write content</em>
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| <a name="95" href="#95">95</a> out.println( <span class="string">"<html><head></head><body>"</span> );
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| <a name="96" href="#96">96</a> out.println( <span class="string">"<h3>Request Summary for: "</span> + url + <span class="string">"</h3>"</span> );
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| <a name="97" href="#97">97</a> out.println( <span class="string">"<table border=\"1\"><tr><th>Key</th><th>Value</th></tr>"</span> );
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| <a name="98" href="#98">98</a>
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| <a name="99" href="#99">99</a> Iterator it = headers.entrySet().iterator();
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| <a name="100" href="#100">100</a> <strong>while</strong>( it.hasNext() )
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| <a name="101" href="#101">101</a> {
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| <a name="102" href="#102">102</a> Entry e = ( Entry ) it.next();
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| <a name="103" href="#103">103</a> out.println( <span class="string">"<tr><td>"</span> + e.getKey() + <span class="string">"</td><td>"</span> + e.getValue() + <span class="string">"</td></tr>"</span> );
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| <a name="104" href="#104">104</a> }
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| <a name="105" href="#105">105</a>
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| <a name="106" href="#106">106</a> out.println( <span class="string">"</table>"</span> );
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| <a name="107" href="#107">107</a> out.println( <span class="string">"</body></html>"</span> );
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| <a name="108" href="#108">108</a> }
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| <a name="109" href="#109">109</a> <strong>catch</strong>( Exception e )
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| <a name="110" href="#110">110</a> {
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| <a name="111" href="#111">111</a> e.printStackTrace();
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| <a name="112" href="#112">112</a> }
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| <a name="113" href="#113">113</a> <strong>finally</strong>
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| <a name="114" href="#114">114</a> {
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| <a name="115" href="#115">115</a> out.flush();
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| <a name="116" href="#116">116</a> out.close();
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| <a name="117" href="#117">117</a> <strong>try</strong>
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| <a name="118" href="#118">118</a> {
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| <a name="119" href="#119">119</a> in.close();
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| <a name="120" href="#120">120</a> }
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| <a name="121" href="#121">121</a> <strong>catch</strong>( IOException e )
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| <a name="122" href="#122">122</a> {
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| <a name="123" href="#123">123</a> }
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| <a name="124" href="#124">124</a> }
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| <a name="125" href="#125">125</a> }
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| <a name="126" href="#126">126</a> }
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| <a name="127" href="#127">127</a> }
|
| </pre> |
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