httpconnection.html

用JAVA编写的,在做实验的时候留下来的,本来想删的,但是传上来,大家分享吧

<a name="153" href="#153">153</a> <em>     * Creates a new HTTP connection for the given host configuration.</em>
<a name="154" href="#154">154</a> <em>     * </em>
<a name="155" href="#155">155</a> <em>     * @param hostConfiguration the host/proxy/protocol to use</em>
<a name="156" href="#156">156</a> <em>     */</em>
<a name="157" href="#157">157</a>     <strong>public</strong> <a href="../../../../org/apache/commons/httpclient/HttpConnection.html">HttpConnection</a>(HostConfiguration hostConfiguration) {
<a name="158" href="#158">158</a>         <strong>this</strong>(hostConfiguration.getProxyHost(),
<a name="159" href="#159">159</a>              hostConfiguration.getProxyPort(),
<a name="160" href="#160">160</a>              hostConfiguration.getHost(),
<a name="161" href="#161">161</a>              hostConfiguration.getPort(),
<a name="162" href="#162">162</a>              hostConfiguration.getProtocol());
<a name="163" href="#163">163</a>         <strong>this</strong>.localAddress = hostConfiguration.getLocalAddress();
<a name="164" href="#164">164</a>     }
<a name="165" href="#165">165</a> 
<a name="166" href="#166">166</a>     <em>/**<em>*</em></em>
<a name="167" href="#167">167</a> <em>     * Creates a new HTTP connection for the given host with the virtual </em>
<a name="168" href="#168">168</a> <em>     * alias and port via the given proxy host and port using the given </em>
<a name="169" href="#169">169</a> <em>     * protocol.</em>
<a name="170" href="#170">170</a> <em>     * </em>
<a name="171" href="#171">171</a> <em>     * @param proxyHost the host to proxy via</em>
<a name="172" href="#172">172</a> <em>     * @param proxyPort the port to proxy via</em>
<a name="173" href="#173">173</a> <em>     * @param host the host to connect to. Parameter value must be non-null.</em>
<a name="174" href="#174">174</a> <em>     * @param virtualHost No longer applicable. </em>
<a name="175" href="#175">175</a> <em>     * @param port the port to connect to</em>
<a name="176" href="#176">176</a> <em>     * @param protocol The protocol to use. Parameter value must be non-null.</em>
<a name="177" href="#177">177</a> <em>     * </em>
<a name="178" href="#178">178</a> <em>     * @deprecated use #HttpConnection(String, int, String, int, Protocol)</em>
<a name="179" href="#179">179</a> <em>     */</em>
<a name="180" href="#180">180</a>     <strong>public</strong> <a href="../../../../org/apache/commons/httpclient/HttpConnection.html">HttpConnection</a>(
<a name="181" href="#181">181</a>         String proxyHost,
<a name="182" href="#182">182</a>         <strong>int</strong> proxyPort,
<a name="183" href="#183">183</a>         String host,
<a name="184" href="#184">184</a>         String virtualHost,
<a name="185" href="#185">185</a>         <strong>int</strong> port,
<a name="186" href="#186">186</a>         Protocol protocol) {
<a name="187" href="#187">187</a>         <strong>this</strong>(proxyHost, proxyPort, host, port, protocol);
<a name="188" href="#188">188</a>     }
<a name="189" href="#189">189</a> 
<a name="190" href="#190">190</a>     <em>/**<em>*</em></em>
<a name="191" href="#191">191</a> <em>     * Creates a new HTTP connection for the given host with the virtual </em>
<a name="192" href="#192">192</a> <em>     * alias and port via the given proxy host and port using the given </em>
<a name="193" href="#193">193</a> <em>     * protocol.</em>
<a name="194" href="#194">194</a> <em>     * </em>
<a name="195" href="#195">195</a> <em>     * @param proxyHost the host to proxy via</em>
<a name="196" href="#196">196</a> <em>     * @param proxyPort the port to proxy via</em>
<a name="197" href="#197">197</a> <em>     * @param host the host to connect to. Parameter value must be non-null.</em>
<a name="198" href="#198">198</a> <em>     * @param port the port to connect to</em>
<a name="199" href="#199">199</a> <em>     * @param protocol The protocol to use. Parameter value must be non-null.</em>
<a name="200" href="#200">200</a> <em>     */</em>
<a name="201" href="#201">201</a>     <strong>public</strong> <a href="../../../../org/apache/commons/httpclient/HttpConnection.html">HttpConnection</a>(
<a name="202" href="#202">202</a>         String proxyHost,
<a name="203" href="#203">203</a>         <strong>int</strong> proxyPort,
<a name="204" href="#204">204</a>         String host,
<a name="205" href="#205">205</a>         <strong>int</strong> port,
<a name="206" href="#206">206</a>         Protocol protocol) {
<a name="207" href="#207">207</a> 
<a name="208" href="#208">208</a>         <strong>if</strong> (host == <strong>null</strong>) {
<a name="209" href="#209">209</a>             <strong>throw</strong> <strong>new</strong> IllegalArgumentException(<span class="string">"host parameter is null"</span>);
<a name="210" href="#210">210</a>         }
<a name="211" href="#211">211</a>         <strong>if</strong> (protocol == <strong>null</strong>) {
<a name="212" href="#212">212</a>             <strong>throw</strong> <strong>new</strong> IllegalArgumentException(<span class="string">"protocol is null"</span>);
<a name="213" href="#213">213</a>         }
<a name="214" href="#214">214</a> 
<a name="215" href="#215">215</a>         proxyHostName = proxyHost;
<a name="216" href="#216">216</a>         proxyPortNumber = proxyPort;
<a name="217" href="#217">217</a>         hostName = host;
<a name="218" href="#218">218</a>         portNumber = protocol.resolvePort(port);
<a name="219" href="#219">219</a>         protocolInUse = protocol;
<a name="220" href="#220">220</a>     }
<a name="221" href="#221">221</a> 
<a name="222" href="#222">222</a>     <em class="comment">// ------------------------------------------ Attribute Setters and Getters</em>
<a name="223" href="#223">223</a> 
<a name="224" href="#224">224</a>     <em>/**<em>*</em></em>
<a name="225" href="#225">225</a> <em>     * Returns the connection socket.</em>
<a name="226" href="#226">226</a> <em>     *</em>
<a name="227" href="#227">227</a> <em>     * @return the socket.</em>
<a name="228" href="#228">228</a> <em>     * </em>
<a name="229" href="#229">229</a> <em>     * @since 3.0</em>
<a name="230" href="#230">230</a> <em>     */</em>
<a name="231" href="#231">231</a>     <strong>protected</strong> Socket getSocket() {
<a name="232" href="#232">232</a>         <strong>return</strong> <strong>this</strong>.socket;
<a name="233" href="#233">233</a>     }
<a name="234" href="#234">234</a> 
<a name="235" href="#235">235</a>     <em>/**<em>*</em></em>
<a name="236" href="#236">236</a> <em>     * Returns the host.</em>
<a name="237" href="#237">237</a> <em>     *</em>
<a name="238" href="#238">238</a> <em>     * @return the host.</em>
<a name="239" href="#239">239</a> <em>     */</em>
<a name="240" href="#240">240</a>     <strong>public</strong> String getHost() {
<a name="241" href="#241">241</a>         <strong>return</strong> hostName;
<a name="242" href="#242">242</a>     }
<a name="243" href="#243">243</a> 
<a name="244" href="#244">244</a>     <em>/**<em>*</em></em>
<a name="245" href="#245">245</a> <em>     * Sets the host to connect to.</em>
<a name="246" href="#246">246</a> <em>     *</em>
<a name="247" href="#247">247</a> <em>     * @param host the host to connect to. Parameter value must be non-null.</em>
<a name="248" href="#248">248</a> <em>     * @throws IllegalStateException if the connection is already open</em>
<a name="249" href="#249">249</a> <em>     */</em>
<a name="250" href="#250">250</a>     <strong>public</strong> <strong>void</strong> setHost(String host) throws IllegalStateException {
<a name="251" href="#251">251</a>         <strong>if</strong> (host == <strong>null</strong>) {
<a name="252" href="#252">252</a>             <strong>throw</strong> <strong>new</strong> IllegalArgumentException(<span class="string">"host parameter is null"</span>);
<a name="253" href="#253">253</a>         }
<a name="254" href="#254">254</a>         assertNotOpen();
<a name="255" href="#255">255</a>         hostName = host;
<a name="256" href="#256">256</a>     }
<a name="257" href="#257">257</a> 
<a name="258" href="#258">258</a>     <em>/**<em>*</em></em>
<a name="259" href="#259">259</a> <em>     * Returns the target virtual host.</em>
<a name="260" href="#260">260</a> <em>     *</em>
<a name="261" href="#261">261</a> <em>     * @return the virtual host.</em>
<a name="262" href="#262">262</a> <em>     * </em>
<a name="263" href="#263">263</a> <em>     * @deprecated no longer applicable</em>
<a name="264" href="#264">264</a> <em>     */</em>
<a name="265" href="#265">265</a> 
<a name="266" href="#266">266</a>     <strong>public</strong> String getVirtualHost() {
<a name="267" href="#267">267</a>         <strong>return</strong> <strong>this</strong>.hostName;
<a name="268" href="#268">268</a>     }
<a name="269" href="#269">269</a> 
<a name="270" href="#270">270</a>     <em>/**<em>*</em></em>
<a name="271" href="#271">271</a> <em>     * Sets the virtual host to target.</em>
<a name="272" href="#272">272</a> <em>     *</em>
<a name="273" href="#273">273</a> <em>     * @param host the virtual host name that should be used instead of </em>
<a name="274" href="#274">274</a> <em>     *        physical host name when sending HTTP requests. Virtual host </em>
<a name="275" href="#275">275</a> <em>     *        name can be set to &lt;tt> null&lt;/tt> if virtual host name is not</em>
<a name="276" href="#276">276</a> <em>     *        to be used</em>
<a name="277" href="#277">277</a> <em>     * </em>
<a name="278" href="#278">278</a> <em>     * @throws IllegalStateException if the connection is already open</em>
<a name="279" href="#279">279</a> <em>     * </em>
<a name="280" href="#280">280</a> <em>     * @deprecated no longer applicable</em>
<a name="281" href="#281">281</a> <em>     */</em>
<a name="282" href="#282">282</a> 
<a name="283" href="#283">283</a>     <strong>public</strong> <strong>void</strong> setVirtualHost(String host) throws IllegalStateException {
<a name="284" href="#284">284</a>         assertNotOpen();
<a name="285" href="#285">285</a>     }
<a name="286" href="#286">286</a> 
<a name="287" href="#287">287</a>     <em>/**<em>*</em></em>
<a name="288" href="#288">288</a> <em>     * Returns the port of the host.</em>
<a name="289" href="#289">289</a> <em>     *</em>
<a name="290" href="#290">290</a> <em>     * If the port is -1 (or less than 0) the default port for</em>
<a name="291" href="#291">291</a> <em>     * the current protocol is returned.</em>
<a name="292" href="#292">292</a> <em>     *</em>
<a name="293" href="#293">293</a> <em>     * @return the port.</em>
<a name="294" href="#294">294</a> <em>     */</em>
<a name="295" href="#295">295</a>     <strong>public</strong> <strong>int</strong> getPort() {
<a name="296" href="#296">296</a>         <strong>if</strong> (portNumber &lt; 0) {
<a name="297" href="#297">297</a>             <strong>return</strong> isSecure() ? 443 : 80;
<a name="298" href="#298">298</a>         } <strong>else</strong> {
<a name="299" href="#299">299</a>             <strong>return</strong> portNumber;
<a name="300" href="#300">300</a>         }
<a name="301" href="#301">301</a>     }
<a name="302" href="#302">302</a> 
<a name="303" href="#303">303</a>     <em>/**<em>*</em></em>
<a name="304" href="#304">304</a> <em>     * Sets the port to connect to.</em>
<a name="305" href="#305">305</a> <em>     *</em>
<a name="306" href="#306">306</a> <em>     * @param port the port to connect to</em>
<a name="307" href="#307">307</a> <em>     * </em>
<a name="308" href="#308">308</a> <em>     * @throws IllegalStateException if the connection is already open</em>
<a name="309" href="#309">309</a> <em>     */</em>
<a name="310" href="#310">310</a>     <strong>public</strong> <strong>void</strong> setPort(<strong>int</strong> port) throws IllegalStateException {
<a name="311" href="#311">311</a>         assertNotOpen();
<a name="312" href="#312">312</a>         portNumber = port;
<a name="313" href="#313">313</a>     }