niosocketconnector.html

MINA+API 关于MINA的API

<a name="98" href="#98">98</a>      <strong class="jxr_keyword">protected</strong> Iterator&lt;SocketChannel&gt; allHandles() {
<a name="99" href="#99">99</a>          <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/mina/transport/socket/nio/NioSocketConnector.html">SocketChannelIterator</a>(selector.keys());
<a name="100" href="#100">100</a>     }
<a name="101" href="#101">101</a> 
<a name="102" href="#102">102</a>     @Override
<a name="103" href="#103">103</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">boolean</strong> connect(SocketChannel handle, SocketAddress remoteAddress)
<a name="104" href="#104">104</a>             <strong class="jxr_keyword">throws</strong> Exception {
<a name="105" href="#105">105</a>         <strong class="jxr_keyword">return</strong> handle.connect(remoteAddress);
<a name="106" href="#106">106</a>     }
<a name="107" href="#107">107</a> 
<a name="108" href="#108">108</a>     @Override
<a name="109" href="#109">109</a>     <strong class="jxr_keyword">protected</strong> <a href="../../../../../../org/apache/mina/common/AbstractPollingIoConnector.html">ConnectionRequest</a> connectionRequest(SocketChannel handle) {
<a name="110" href="#110">110</a>         SelectionKey key = handle.keyFor(selector);
<a name="111" href="#111">111</a>         <strong class="jxr_keyword">if</strong> (key == <strong class="jxr_keyword">null</strong>) {
<a name="112" href="#112">112</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a name="113" href="#113">113</a>         }
<a name="114" href="#114">114</a>         
<a name="115" href="#115">115</a>         <strong class="jxr_keyword">return</strong> (ConnectionRequest) key.attachment();
<a name="116" href="#116">116</a>     }
<a name="117" href="#117">117</a> 
<a name="118" href="#118">118</a>     @Override
<a name="119" href="#119">119</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> close(SocketChannel handle) <strong class="jxr_keyword">throws</strong> Exception {
<a name="120" href="#120">120</a>         SelectionKey key = handle.keyFor(selector);
<a name="121" href="#121">121</a>         <strong class="jxr_keyword">if</strong> (key != <strong class="jxr_keyword">null</strong>) {
<a name="122" href="#122">122</a>             key.cancel();
<a name="123" href="#123">123</a>         }
<a name="124" href="#124">124</a>         handle.close();
<a name="125" href="#125">125</a>     }
<a name="126" href="#126">126</a> 
<a name="127" href="#127">127</a>     @Override
<a name="128" href="#128">128</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">boolean</strong> finishConnect(SocketChannel handle) <strong class="jxr_keyword">throws</strong> Exception {
<a name="129" href="#129">129</a>         SelectionKey key = handle.keyFor(selector);
<a name="130" href="#130">130</a>         <strong class="jxr_keyword">if</strong> (handle.finishConnect()) {
<a name="131" href="#131">131</a>             <strong class="jxr_keyword">if</strong> (key != <strong class="jxr_keyword">null</strong>) {
<a name="132" href="#132">132</a>                 key.cancel();
<a name="133" href="#133">133</a>             }
<a name="134" href="#134">134</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a name="135" href="#135">135</a>         }
<a name="136" href="#136">136</a>         
<a name="137" href="#137">137</a>         <strong class="jxr_keyword">return</strong> false;
<a name="138" href="#138">138</a>     }
<a name="139" href="#139">139</a> 
<a name="140" href="#140">140</a>     @Override
<a name="141" href="#141">141</a>     <strong class="jxr_keyword">protected</strong> SocketChannel newHandle(SocketAddress localAddress)
<a name="142" href="#142">142</a>             <strong class="jxr_keyword">throws</strong> Exception {
<a name="143" href="#143">143</a>         SocketChannel ch = SocketChannel.open();
<a name="144" href="#144">144</a>         ch.socket().setReuseAddress(<strong class="jxr_keyword">true</strong>);
<a name="145" href="#145">145</a>         <strong class="jxr_keyword">if</strong> (localAddress != <strong class="jxr_keyword">null</strong>) {
<a name="146" href="#146">146</a>             ch.socket().bind(localAddress);
<a name="147" href="#147">147</a>         }
<a name="148" href="#148">148</a>         ch.configureBlocking(false);
<a name="149" href="#149">149</a>         <strong class="jxr_keyword">return</strong> ch;
<a name="150" href="#150">150</a>     }
<a name="151" href="#151">151</a> 
<a name="152" href="#152">152</a>     @Override
<a name="153" href="#153">153</a>     <strong class="jxr_keyword">protected</strong> <a href="../../../../../../org/apache/mina/transport/socket/nio/NioSession.html">NioSession</a> newSession(IoProcessor&lt;NioSession&gt; processor, SocketChannel handle) {
<a name="154" href="#154">154</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/mina/transport/socket/nio/NioSocketSession.html">NioSocketSession</a>(<strong class="jxr_keyword">this</strong>, processor, handle);
<a name="155" href="#155">155</a>     }
<a name="156" href="#156">156</a> 
<a name="157" href="#157">157</a>     @Override
<a name="158" href="#158">158</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> register(SocketChannel handle, <a href="../../../../../../org/apache/mina/common/AbstractPollingIoConnector.html">ConnectionRequest</a> request)
<a name="159" href="#159">159</a>             <strong class="jxr_keyword">throws</strong> Exception {
<a name="160" href="#160">160</a>         handle.register(selector, SelectionKey.OP_CONNECT, request);
<a name="161" href="#161">161</a>     }
<a name="162" href="#162">162</a> 
<a name="163" href="#163">163</a>     @Override
<a name="164" href="#164">164</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">boolean</strong> select(<strong class="jxr_keyword">int</strong> timeout) <strong class="jxr_keyword">throws</strong> Exception {
<a name="165" href="#165">165</a>         <strong class="jxr_keyword">return</strong> selector.select(timeout) &gt; 0;
<a name="166" href="#166">166</a>     }
<a name="167" href="#167">167</a> 
<a name="168" href="#168">168</a>     @Override
<a name="169" href="#169">169</a>     <strong class="jxr_keyword">protected</strong> Iterator&lt;SocketChannel&gt; selectedHandles() {
<a name="170" href="#170">170</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/mina/transport/socket/nio/NioSocketConnector.html">SocketChannelIterator</a>(selector.selectedKeys());
<a name="171" href="#171">171</a>     }
<a name="172" href="#172">172</a> 
<a name="173" href="#173">173</a>     @Override
<a name="174" href="#174">174</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> wakeup() {
<a name="175" href="#175">175</a>         selector.wakeup();
<a name="176" href="#176">176</a>     }
<a name="177" href="#177">177</a>     
<a name="178" href="#178">178</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/mina/transport/socket/nio/NioSocketConnector.html">SocketChannelIterator</a> implements Iterator&lt;SocketChannel&gt; {
<a name="179" href="#179">179</a>         
<a name="180" href="#180">180</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Iterator&lt;SelectionKey&gt; i;
<a name="181" href="#181">181</a>         
<a name="182" href="#182">182</a>         <strong class="jxr_keyword">private</strong> <a href="../../../../../../org/apache/mina/transport/socket/nio/NioSocketConnector.html">SocketChannelIterator</a>(Collection&lt;SelectionKey&gt; selectedKeys) {
<a name="183" href="#183">183</a>             <strong class="jxr_keyword">this</strong>.i = selectedKeys.iterator();
<a name="184" href="#184">184</a>         }
<a name="185" href="#185">185</a> 
<a name="186" href="#186">186</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> hasNext() {
<a name="187" href="#187">187</a>             <strong class="jxr_keyword">return</strong> i.hasNext();
<a name="188" href="#188">188</a>         }
<a name="189" href="#189">189</a> 
<a name="190" href="#190">190</a>         <strong class="jxr_keyword">public</strong> SocketChannel next() {
<a name="191" href="#191">191</a>             SelectionKey key = i.next();
<a name="192" href="#192">192</a>             <strong class="jxr_keyword">return</strong> (SocketChannel) key.channel();
<a name="193" href="#193">193</a>         }
<a name="194" href="#194">194</a> 
<a name="195" href="#195">195</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> remove() {
<a name="196" href="#196">196</a>             i.remove();
<a name="197" href="#197">197</a>         }
<a name="198" href="#198">198</a>     }
<a name="199" href="#199">199</a> }
</pre>
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