📄 imageclient.html
字号:
<!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>ImageClient xref</title><link type="text/css" rel="stylesheet" href="../../../../../../../stylesheet.css" /></head><body><div id="overview"><a href="../../../../../../../../apidocs/org/apache/mina/example/imagine/step1/client/ImageClient.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.example.imagine.step1.client;<a name="21" href="#21">21</a> <a name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> org.apache.mina.common.ConnectFuture;<a name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> org.apache.mina.common.IoHandlerAdapter;<a name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> org.apache.mina.common.IoSession;<a name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> org.apache.mina.common.RuntimeIoException;<a name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> org.apache.mina.example.imagine.step1.ImageRequest;<a name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> org.apache.mina.example.imagine.step1.ImageResponse;<a name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> org.apache.mina.example.imagine.step1.server.ImageServer;<a name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> org.apache.mina.example.imagine.step1.codec.ImageCodecFactory;<a name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> org.apache.mina.filter.codec.ProtocolCodecFilter;<a name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> org.apache.mina.transport.socket.SocketConnector;<a name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> org.apache.mina.transport.socket.nio.NioSocketConnector;<a name="33" href="#33">33</a> <a name="34" href="#34">34</a> <strong class="jxr_keyword">import</strong> java.net.InetSocketAddress;<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"> * client for the {@link ImageServer}</em><a name="38" href="#38">38</a> <em class="jxr_javadoccomment"> *</em><a name="39" href="#39">39</a> <em class="jxr_javadoccomment"> * @author The Apache MINA Project (dev@mina.apache.org)</em><a name="40" href="#40">40</a> <em class="jxr_javadoccomment"> * @version $Rev: 597940 $, $Date: 2007-11-25 02:00:09 +0100 (Sun, 25 Nov 2007) $</em><a name="41" href="#41">41</a> <em class="jxr_javadoccomment"> */</em><a name="42" href="#42">42</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../../org/apache/mina/example/imagine/step1/client/ImageClient.html">ImageClient</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../../../org/apache/mina/common/IoHandlerAdapter.html">IoHandlerAdapter</a> {<a name="43" href="#43">43</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> CONNECT_TIMEOUT = 3000;<a name="44" href="#44">44</a> <a name="45" href="#45">45</a> <strong class="jxr_keyword">private</strong> String host;<a name="46" href="#46">46</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> port;<a name="47" href="#47">47</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../../../org/apache/mina/transport/socket/SocketConnector.html">SocketConnector</a> connector;<a name="48" href="#48">48</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../../../org/apache/mina/common/IoSession.html">IoSession</a> session;<a name="49" href="#49">49</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../../../org/apache/mina/example/imagine/step1/client/ImageListener.html">ImageListener</a> imageListener;<a name="50" href="#50">50</a> <a name="51" href="#51">51</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../../org/apache/mina/example/imagine/step1/client/ImageClient.html">ImageClient</a>(String host, <strong class="jxr_keyword">int</strong> port, <a href="../../../../../../../org/apache/mina/example/imagine/step1/client/ImageListener.html">ImageListener</a> imageListener) {<a name="52" href="#52">52</a> <strong class="jxr_keyword">this</strong>.host = host;<a name="53" href="#53">53</a> <strong class="jxr_keyword">this</strong>.port = port;<a name="54" href="#54">54</a> <strong class="jxr_keyword">this</strong>.imageListener = imageListener;<a name="55" href="#55">55</a> connector = <strong class="jxr_keyword">new</strong> <a href="../../../../../../../org/apache/mina/transport/socket/nio/NioSocketConnector.html">NioSocketConnector</a>();<a name="56" href="#56">56</a> connector.getFilterChain().addLast(<span class="jxr_string">"codec"</span>, <strong class="jxr_keyword">new</strong> <a href="../../../../../../../org/apache/mina/filter/codec/ProtocolCodecFilter.html">ProtocolCodecFilter</a>(<strong class="jxr_keyword">new</strong> <a href="../../../../../../../org/apache/mina/example/imagine/step1/codec/ImageCodecFactory.html">ImageCodecFactory</a>(<strong class="jxr_keyword">true</strong>)));<a name="57" href="#57">57</a> connector.setHandler(<strong class="jxr_keyword">this</strong>);<a name="58" href="#58">58</a> }<a name="59" href="#59">59</a> <a name="60" href="#60">60</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isConnected() {<a name="61" href="#61">61</a> <strong class="jxr_keyword">return</strong> (session != <strong class="jxr_keyword">null</strong> && session.isConnected());<a name="62" href="#62">62</a> }<a name="63" href="#63">63</a> <a name="64" href="#64">64</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> connect() {<a name="65" href="#65">65</a> <a href="../../../../../../../org/apache/mina/common/ConnectFuture.html">ConnectFuture</a> connectFuture = connector.connect(<strong class="jxr_keyword">new</strong> InetSocketAddress(host, port));<a name="66" href="#66">66</a> connectFuture.awaitUninterruptibly(CONNECT_TIMEOUT);<a name="67" href="#67">67</a> <strong class="jxr_keyword">try</strong> {<a name="68" href="#68">68</a> session = connectFuture.getSession();<a name="69" href="#69">69</a> }<a name="70" href="#70">70</a> <strong class="jxr_keyword">catch</strong> (RuntimeIoException e) {<a name="71" href="#71">71</a> imageListener.onException(e);<a name="72" href="#72">72</a> }<a name="73" href="#73">73</a> }<a name="74" href="#74">74</a> <a name="75" href="#75">75</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> disconnect() {<a name="76" href="#76">76</a> <strong class="jxr_keyword">if</strong> (session != <strong class="jxr_keyword">null</strong>) {<a name="77" href="#77">77</a> session.close().awaitUninterruptibly(CONNECT_TIMEOUT);<a name="78" href="#78">78</a> session = <strong class="jxr_keyword">null</strong>;<a name="79" href="#79">79</a> }<a name="80" href="#80">80</a> }<a name="81" href="#81">81</a> <a name="82" href="#82">82</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> sessionOpened(<a href="../../../../../../../org/apache/mina/common/IoSession.html">IoSession</a> session) <strong class="jxr_keyword">throws</strong> Exception {<a name="83" href="#83">83</a> imageListener.sessionOpened();<a name="84" href="#84">84</a> }<a name="85" href="#85">85</a> <a name="86" href="#86">86</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> sessionClosed(<a href="../../../../../../../org/apache/mina/common/IoSession.html">IoSession</a> session) <strong class="jxr_keyword">throws</strong> Exception {<a name="87" href="#87">87</a> imageListener.sessionClosed();<a name="88" href="#88">88</a> }<a name="89" href="#89">89</a> <a name="90" href="#90">90</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> sendRequest(<a href="../../../../../../../org/apache/mina/example/imagine/step1/ImageRequest.html">ImageRequest</a> imageRequest) {<a name="91" href="#91">91</a> <strong class="jxr_keyword">if</strong> (session == <strong class="jxr_keyword">null</strong>) {<a name="92" href="#92">92</a> <em class="jxr_comment">//noinspection ThrowableInstanceNeverThrown</em><a name="93" href="#93">93</a> imageListener.onException(<strong class="jxr_keyword">new</strong> Throwable(<span class="jxr_string">"not connected"</span>));<a name="94" href="#94">94</a> } <strong class="jxr_keyword">else</strong> {<a name="95" href="#95">95</a> session.write(imageRequest);<a name="96" href="#96">96</a> }<a name="97" href="#97">97</a> }<a name="98" href="#98">98</a> <a name="99" href="#99">99</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> messageReceived(<a href="../../../../../../../org/apache/mina/common/IoSession.html">IoSession</a> session, Object message) <strong class="jxr_keyword">throws</strong> Exception {<a name="100" href="#100">100</a> <a href="../../../../../../../org/apache/mina/example/imagine/step1/ImageResponse.html">ImageResponse</a> response = (ImageResponse) message;<a name="101" href="#101">101</a> imageListener.onImages(response.getImage1(), response.getImage2());<a name="102" href="#102">102</a> }<a name="103" href="#103">103</a> <a name="104" href="#104">104</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> exceptionCaught(<a href="../../../../../../../org/apache/mina/common/IoSession.html">IoSession</a> session, Throwable cause) <strong class="jxr_keyword">throws</strong> Exception {<a name="105" href="#105">105</a> imageListener.onException(cause);<a name="106" href="#106">106</a> }<a name="107" href="#107">107</a> <a name="108" href="#108">108</a> }</pre><hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body></html>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -