cookiespecbase.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="138" href="#138">138</a>         <strong>if</strong> (path.trim().equals(<span class="string">""</span>)) {
<a name="139" href="#139">139</a>             path = PATH_DELIM;
<a name="140" href="#140">140</a>         }
<a name="141" href="#141">141</a>         host = host.toLowerCase();
<a name="142" href="#142">142</a> 
<a name="143" href="#143">143</a>         String defaultPath = path;    
<a name="144" href="#144">144</a>         <strong>int</strong> lastSlashIndex = defaultPath.lastIndexOf(PATH_DELIM);
<a name="145" href="#145">145</a>         <strong>if</strong> (lastSlashIndex >= 0) {
<a name="146" href="#146">146</a>             <strong>if</strong> (lastSlashIndex == 0) {
<a name="147" href="#147">147</a>                 <em class="comment">//Do not remove the very first slash</em>
<a name="148" href="#148">148</a>                 lastSlashIndex = 1;
<a name="149" href="#149">149</a>             }
<a name="150" href="#150">150</a>             defaultPath = defaultPath.substring(0, lastSlashIndex);
<a name="151" href="#151">151</a>         }
<a name="152" href="#152">152</a> 
<a name="153" href="#153">153</a>         HeaderElement[] headerElements = <strong>null</strong>;
<a name="154" href="#154">154</a> 
<a name="155" href="#155">155</a>         <strong>boolean</strong> isNetscapeCookie = false; 
<a name="156" href="#156">156</a>         <strong>int</strong> i1 = header.toLowerCase().indexOf(<span class="string">"expires="</span>);
<a name="157" href="#157">157</a>         <strong>if</strong> (i1 != -1) {
<a name="158" href="#158">158</a>             i1 += <span class="string">"expires="</span>.length();
<a name="159" href="#159">159</a>             <strong>int</strong> i2 = header.indexOf(<span class="string">";"</span>, i1);
<a name="160" href="#160">160</a>             <strong>if</strong> (i2 == -1) {
<a name="161" href="#161">161</a>                 i2 = header.length(); 
<a name="162" href="#162">162</a>             }
<a name="163" href="#163">163</a>             <strong>try</strong> {
<a name="164" href="#164">164</a>                 DateUtil.parseDate(header.substring(i1, i2), <strong>this</strong>.datepatterns);
<a name="165" href="#165">165</a>                 isNetscapeCookie = <strong>true</strong>; 
<a name="166" href="#166">166</a>             } <strong>catch</strong> (DateParseException e) {
<a name="167" href="#167">167</a>                 <em class="comment">// Does not look like a valid expiry date</em>
<a name="168" href="#168">168</a>             }
<a name="169" href="#169">169</a>         }
<a name="170" href="#170">170</a>         <strong>if</strong> (isNetscapeCookie) {
<a name="171" href="#171">171</a>             headerElements = <strong>new</strong> HeaderElement[] {
<a name="172" href="#172">172</a>                     <strong>new</strong> HeaderElement(header.toCharArray())
<a name="173" href="#173">173</a>             };
<a name="174" href="#174">174</a>         } <strong>else</strong> {
<a name="175" href="#175">175</a>             headerElements = HeaderElement.parseElements(header.toCharArray());
<a name="176" href="#176">176</a>         }
<a name="177" href="#177">177</a>         
<a name="178" href="#178">178</a>         <a href="../../../../../org/apache/commons/httpclient/Cookie.html">Cookie</a>[] cookies = <strong>new</strong> <a href="../../../../../org/apache/commons/httpclient/Cookie.html">Cookie</a>[headerElements.length];
<a name="179" href="#179">179</a> 
<a name="180" href="#180">180</a>         <strong>for</strong> (<strong>int</strong> i = 0; i &lt; headerElements.length; i++) {
<a name="181" href="#181">181</a> 
<a name="182" href="#182">182</a>             HeaderElement headerelement = headerElements[i];
<a name="183" href="#183">183</a>             <a href="../../../../../org/apache/commons/httpclient/Cookie.html">Cookie</a> cookie = <strong>null</strong>;
<a name="184" href="#184">184</a>             <strong>try</strong> {
<a name="185" href="#185">185</a>                 cookie = <strong>new</strong> <a href="../../../../../org/apache/commons/httpclient/Cookie.html">Cookie</a>(host,
<a name="186" href="#186">186</a>                                     headerelement.getName(),
<a name="187" href="#187">187</a>                                     headerelement.getValue(),
<a name="188" href="#188">188</a>                                     defaultPath, 
<a name="189" href="#189">189</a>                                     <strong>null</strong>,
<a name="190" href="#190">190</a>                                     false);
<a name="191" href="#191">191</a>             } <strong>catch</strong> (IllegalArgumentException e) {
<a name="192" href="#192">192</a>                 <strong>throw</strong> <strong>new</strong> MalformedCookieException(e.getMessage()); 
<a name="193" href="#193">193</a>             }
<a name="194" href="#194">194</a>             <em class="comment">// cycle through the parameters</em>
<a name="195" href="#195">195</a>             NameValuePair[] parameters = headerelement.getParameters();
<a name="196" href="#196">196</a>             <em class="comment">// could be null. In case only a header element and no parameters.</em>
<a name="197" href="#197">197</a>             <strong>if</strong> (parameters != <strong>null</strong>) {
<a name="198" href="#198">198</a> 
<a name="199" href="#199">199</a>                 <strong>for</strong> (<strong>int</strong> j = 0; j &lt; parameters.length; j++) {
<a name="200" href="#200">200</a>                     parseAttribute(parameters[j], cookie);
<a name="201" href="#201">201</a>                 }
<a name="202" href="#202">202</a>             }
<a name="203" href="#203">203</a>             cookies[i] = cookie;
<a name="204" href="#204">204</a>         }
<a name="205" href="#205">205</a>         <strong>return</strong> cookies;
<a name="206" href="#206">206</a>     }
<a name="207" href="#207">207</a> 
<a name="208" href="#208">208</a> 
<a name="209" href="#209">209</a>     <em>/**<em>*</em></em>
<a name="210" href="#210">210</a> <em>      * Parse the &lt;tt>"Set-Cookie"&lt;/tt> {@link Header} into an array of {@link</em>
<a name="211" href="#211">211</a> <em>      * Cookie}s.</em>
<a name="212" href="#212">212</a> <em>      *</em>
<a name="213" href="#213">213</a> <em>      * &lt;P>The syntax for the Set-Cookie response header is:</em>
<a name="214" href="#214">214</a> <em>      *</em>
<a name="215" href="#215">215</a> <em>      * &lt;PRE></em>
<a name="216" href="#216">216</a> <em>      * set-cookie      =    "Set-Cookie:" cookies</em>
<a name="217" href="#217">217</a> <em>      * cookies         =    1#cookie</em>
<a name="218" href="#218">218</a> <em>      * cookie          =    NAME "=" VALUE * (";" cookie-av)</em>
<a name="219" href="#219">219</a> <em>      * NAME            =    attr</em>
<a name="220" href="#220">220</a> <em>      * VALUE           =    value</em>
<a name="221" href="#221">221</a> <em>      * cookie-av       =    "Comment" "=" value</em>
<a name="222" href="#222">222</a> <em>      *                 |    "Domain" "=" value</em>
<a name="223" href="#223">223</a> <em>      *                 |    "Max-Age" "=" value</em>
<a name="224" href="#224">224</a> <em>      *                 |    "Path" "=" value</em>
<a name="225" href="#225">225</a> <em>      *                 |    "Secure"</em>
<a name="226" href="#226">226</a> <em>      *                 |    "Version" "=" 1*DIGIT</em>
<a name="227" href="#227">227</a> <em>      * &lt;/PRE></em>
<a name="228" href="#228">228</a> <em>      *</em>
<a name="229" href="#229">229</a> <em>      * @param host the host from which the &lt;tt>Set-Cookie&lt;/tt> header was</em>
<a name="230" href="#230">230</a> <em>      * received</em>
<a name="231" href="#231">231</a> <em>      * @param port the port from which the &lt;tt>Set-Cookie&lt;/tt> header was</em>
<a name="232" href="#232">232</a> <em>      * received</em>
<a name="233" href="#233">233</a> <em>      * @param path the path from which the &lt;tt>Set-Cookie&lt;/tt> header was</em>
<a name="234" href="#234">234</a> <em>      * received</em>
<a name="235" href="#235">235</a> <em>      * @param secure &lt;tt>true&lt;/tt> when the &lt;tt>Set-Cookie&lt;/tt> header was</em>
<a name="236" href="#236">236</a> <em>      * received over secure conection</em>
<a name="237" href="#237">237</a> <em>      * @param header the &lt;tt>Set-Cookie&lt;/tt> received from the server</em>
<a name="238" href="#238">238</a> <em>      * @return an array of &lt;tt>Cookie&lt;/tt>s parsed from the &lt;tt>"Set-Cookie"</em>
<a name="239" href="#239">239</a> <em>      * &lt;/tt> header</em>
<a name="240" href="#240">240</a> <em>      * @throws MalformedCookieException if an exception occurs during parsing</em>
<a name="241" href="#241">241</a> <em>      */</em>
<a name="242" href="#242">242</a>     <strong>public</strong> <a href="../../../../../org/apache/commons/httpclient/Cookie.html">Cookie</a>[] parse(
<a name="243" href="#243">243</a>         String host, <strong>int</strong> port, String path, <strong>boolean</strong> secure, <strong>final</strong> Header header)
<a name="244" href="#244">244</a>         throws MalformedCookieException {
<a name="245" href="#245">245</a>             
<a name="246" href="#246">246</a>         LOG.trace(<span class="string">"enter CookieSpecBase.parse("</span>
<a name="247" href="#247">247</a>             + <span class="string">"String, port, path, boolean, String)"</span>);
<a name="248" href="#248">248</a>         <strong>if</strong> (header == <strong>null</strong>) {
<a name="249" href="#249">249</a>             <strong>throw</strong> <strong>new</strong> IllegalArgumentException(<span class="string">"Header may not be null."</span>);
<a name="250" href="#250">250</a>         }
<a name="251" href="#251">251</a>         <strong>return</strong> parse(host, port, path, secure, header.getValue());
<a name="252" href="#252">252</a>     }
<a name="253" href="#253">253</a> 
<a name="254" href="#254">254</a> 
<a name="255" href="#255">255</a>     <em>/**<em>*</em></em>
<a name="256" href="#256">256</a> <em>      * Parse the cookie attribute and update the corresponsing {@link Cookie}</em>
<a name="257" href="#257">257</a> <em>      * properties.</em>
<a name="258" href="#258">258</a> <em>      *</em>
<a name="259" href="#259">259</a> <em>      * @param attribute {@link HeaderElement} cookie attribute from the</em>
<a name="260" href="#260">260</a> <em>      * &lt;tt>Set- Cookie&lt;/tt></em>
<a name="261" href="#261">261</a> <em>      * @param cookie {@link Cookie} to be updated</em>
<a name="262" href="#262">262</a> <em>      * @throws MalformedCookieException if an exception occurs during parsing</em>
<a name="263" href="#263">263</a> <em>      */</em>
<a name="264" href="#264">264</a> 
<a name="265" href="#265">265</a>     <strong>public</strong> <strong>void</strong> parseAttribute(
<a name="266" href="#266">266</a>         <strong>final</strong> NameValuePair attribute, <strong>final</strong> <a href="../../../../../org/apache/commons/httpclient/Cookie.html">Cookie</a> cookie)
<a name="267" href="#267">267</a>         throws MalformedCookieException {
<a name="268" href="#268">268</a>             
<a name="269" href="#269">269</a>         <strong>if</strong> (attribute == <strong>null</strong>) {
<a name="270" href="#270">270</a>             <strong>throw</strong> <strong>new</strong> IllegalArgumentException(<span class="string">"Attribute may not be null."</span>);
<a name="271" href="#271">271</a>         }
<a name="272" href="#272">272</a>         <strong>if</strong> (cookie == <strong>null</strong>) {
<a name="273" href="#273">273</a>             <strong>throw</strong> <strong>new</strong> IllegalArgumentException(<span class="string">"Cookie may not be null."</span>);
<a name="274" href="#274">274</a>         }
<a name="275" href="#275">275</a>         <strong>final</strong> String paramName = attribute.getName().toLowerCase();
<a name="276" href="#276">276</a>         String paramValue = attribute.getValue();
<a name="277" href="#277">277</a> 
<a name="278" href="#278">278</a>         <strong>if</strong> (paramName.equals(<span class="string">"path"</span>)) {
<a name="279" href="#279">279</a> 
<a name="280" href="#280">280</a>             <strong>if</strong> ((paramValue == <strong>null</strong>) || (paramValue.trim().equals(<span class="string">""</span>))) {
<a name="281" href="#281">281</a>                 paramValue = <span class="string">"/"</span>;
<a name="282" href="#282">282</a>             }
<a name="283" href="#283">283</a>             cookie.setPath(paramValue);