cookie.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="140" href="#140">140</a>         <strong>if</strong> (maxAge &lt; -1) {
<a name="141" href="#141">141</a>             <strong>throw</strong> <strong>new</strong> IllegalArgumentException(<span class="string">"Invalid max age:  "</span> + Integer.toString(maxAge));
<a name="142" href="#142">142</a>         }            
<a name="143" href="#143">143</a>         <strong>if</strong> (maxAge >= 0) {
<a name="144" href="#144">144</a>             setExpiryDate(<strong>new</strong> Date(System.currentTimeMillis() + maxAge * 1000L));
<a name="145" href="#145">145</a>         }
<a name="146" href="#146">146</a>     }
<a name="147" href="#147">147</a> 
<a name="148" href="#148">148</a>     <em>/**<em>*</em></em>
<a name="149" href="#149">149</a> <em>     * Returns the comment describing the purpose of this cookie, or</em>
<a name="150" href="#150">150</a> <em>     * &lt;tt>null&lt;/tt> if no such comment has been defined.</em>
<a name="151" href="#151">151</a> <em>     * </em>
<a name="152" href="#152">152</a> <em>     * @return comment </em>
<a name="153" href="#153">153</a> <em>     *</em>
<a name="154" href="#154">154</a> <em>     * @see #setComment(String)</em>
<a name="155" href="#155">155</a> <em>     */</em>
<a name="156" href="#156">156</a>     <strong>public</strong> String getComment() {
<a name="157" href="#157">157</a>         <strong>return</strong> cookieComment;
<a name="158" href="#158">158</a>     }
<a name="159" href="#159">159</a> 
<a name="160" href="#160">160</a>     <em>/**<em>*</em></em>
<a name="161" href="#161">161</a> <em>     * If a user agent (web browser) presents this cookie to a user, the</em>
<a name="162" href="#162">162</a> <em>     * cookie's purpose will be described using this comment.</em>
<a name="163" href="#163">163</a> <em>     * </em>
<a name="164" href="#164">164</a> <em>     * @param comment</em>
<a name="165" href="#165">165</a> <em>     *  </em>
<a name="166" href="#166">166</a> <em>     * @see #getComment()</em>
<a name="167" href="#167">167</a> <em>     */</em>
<a name="168" href="#168">168</a>     <strong>public</strong> <strong>void</strong> setComment(String comment) {
<a name="169" href="#169">169</a>         cookieComment = comment;
<a name="170" href="#170">170</a>     }
<a name="171" href="#171">171</a> 
<a name="172" href="#172">172</a>     <em>/**<em>*</em></em>
<a name="173" href="#173">173</a> <em>     * Returns the expiration {@link Date} of the cookie, or &lt;tt>null&lt;/tt></em>
<a name="174" href="#174">174</a> <em>     * if none exists.</em>
<a name="175" href="#175">175</a> <em>     * &lt;p>&lt;strong>Note:&lt;/strong> the object returned by this method is </em>
<a name="176" href="#176">176</a> <em>     * considered immutable. Changing it (e.g. using setTime()) could result</em>
<a name="177" href="#177">177</a> <em>     * in undefined behaviour. Do so at your peril. &lt;/p></em>
<a name="178" href="#178">178</a> <em>     * @return Expiration {@link Date}, or &lt;tt>null&lt;/tt>.</em>
<a name="179" href="#179">179</a> <em>     *</em>
<a name="180" href="#180">180</a> <em>     * @see #setExpiryDate(java.util.Date)</em>
<a name="181" href="#181">181</a> <em>     *</em>
<a name="182" href="#182">182</a> <em>     */</em>
<a name="183" href="#183">183</a>     <strong>public</strong> Date getExpiryDate() {
<a name="184" href="#184">184</a>         <strong>return</strong> cookieExpiryDate;
<a name="185" href="#185">185</a>     }
<a name="186" href="#186">186</a> 
<a name="187" href="#187">187</a>     <em>/**<em>*</em></em>
<a name="188" href="#188">188</a> <em>     * Sets expiration date.</em>
<a name="189" href="#189">189</a> <em>     * &lt;p>&lt;strong>Note:&lt;/strong> the object returned by this method is considered</em>
<a name="190" href="#190">190</a> <em>     * immutable. Changing it (e.g. using setTime()) could result in undefined </em>
<a name="191" href="#191">191</a> <em>     * behaviour. Do so at your peril.&lt;/p></em>
<a name="192" href="#192">192</a> <em>     *</em>
<a name="193" href="#193">193</a> <em>     * @param expiryDate the {@link Date} after which this cookie is no longer valid.</em>
<a name="194" href="#194">194</a> <em>     *</em>
<a name="195" href="#195">195</a> <em>     * @see #getExpiryDate</em>
<a name="196" href="#196">196</a> <em>     *</em>
<a name="197" href="#197">197</a> <em>     */</em>
<a name="198" href="#198">198</a>     <strong>public</strong> <strong>void</strong> setExpiryDate (Date expiryDate) {
<a name="199" href="#199">199</a>         cookieExpiryDate = expiryDate;
<a name="200" href="#200">200</a>     }
<a name="201" href="#201">201</a> 
<a name="202" href="#202">202</a> 
<a name="203" href="#203">203</a>     <em>/**<em>*</em></em>
<a name="204" href="#204">204</a> <em>     * Returns &lt;tt>false&lt;/tt> if the cookie should be discarded at the end</em>
<a name="205" href="#205">205</a> <em>     * of the "session"; &lt;tt>true&lt;/tt> otherwise.</em>
<a name="206" href="#206">206</a> <em>     *</em>
<a name="207" href="#207">207</a> <em>     * @return &lt;tt>false&lt;/tt> if the cookie should be discarded at the end</em>
<a name="208" href="#208">208</a> <em>     *         of the "session"; &lt;tt>true&lt;/tt> otherwise</em>
<a name="209" href="#209">209</a> <em>     */</em>
<a name="210" href="#210">210</a>     <strong>public</strong> <strong>boolean</strong> isPersistent() {
<a name="211" href="#211">211</a>         <strong>return</strong> (<strong>null</strong> != cookieExpiryDate);
<a name="212" href="#212">212</a>     }
<a name="213" href="#213">213</a> 
<a name="214" href="#214">214</a> 
<a name="215" href="#215">215</a>     <em>/**<em>*</em></em>
<a name="216" href="#216">216</a> <em>     * Returns domain attribute of the cookie.</em>
<a name="217" href="#217">217</a> <em>     * </em>
<a name="218" href="#218">218</a> <em>     * @return the value of the domain attribute</em>
<a name="219" href="#219">219</a> <em>     *</em>
<a name="220" href="#220">220</a> <em>     * @see #setDomain(java.lang.String)</em>
<a name="221" href="#221">221</a> <em>     */</em>
<a name="222" href="#222">222</a>     <strong>public</strong> String getDomain() {
<a name="223" href="#223">223</a>         <strong>return</strong> cookieDomain;
<a name="224" href="#224">224</a>     }
<a name="225" href="#225">225</a> 
<a name="226" href="#226">226</a>     <em>/**<em>*</em></em>
<a name="227" href="#227">227</a> <em>     * Sets the domain attribute.</em>
<a name="228" href="#228">228</a> <em>     * </em>
<a name="229" href="#229">229</a> <em>     * @param domain The value of the domain attribute</em>
<a name="230" href="#230">230</a> <em>     *</em>
<a name="231" href="#231">231</a> <em>     * @see #getDomain</em>
<a name="232" href="#232">232</a> <em>     */</em>
<a name="233" href="#233">233</a>     <strong>public</strong> <strong>void</strong> setDomain(String domain) {
<a name="234" href="#234">234</a>         <strong>if</strong> (domain != <strong>null</strong>) {
<a name="235" href="#235">235</a>             <strong>int</strong> ndx = domain.indexOf(<span class="string">":"</span>);
<a name="236" href="#236">236</a>             <strong>if</strong> (ndx != -1) {
<a name="237" href="#237">237</a>               domain = domain.substring(0, ndx);
<a name="238" href="#238">238</a>             }
<a name="239" href="#239">239</a>             cookieDomain = domain.toLowerCase();
<a name="240" href="#240">240</a>         }
<a name="241" href="#241">241</a>     }
<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>     * Returns the path attribute of the cookie</em>
<a name="246" href="#246">246</a> <em>     * </em>
<a name="247" href="#247">247</a> <em>     * @return The value of the path attribute.</em>
<a name="248" href="#248">248</a> <em>     * </em>
<a name="249" href="#249">249</a> <em>     * @see #setPath(java.lang.String)</em>
<a name="250" href="#250">250</a> <em>     */</em>
<a name="251" href="#251">251</a>     <strong>public</strong> String getPath() {
<a name="252" href="#252">252</a>         <strong>return</strong> cookiePath;
<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>     * Sets the path attribute.</em>
<a name="257" href="#257">257</a> <em>     *</em>
<a name="258" href="#258">258</a> <em>     * @param path The value of the path attribute</em>
<a name="259" href="#259">259</a> <em>     *</em>
<a name="260" href="#260">260</a> <em>     * @see #getPath</em>
<a name="261" href="#261">261</a> <em>     *</em>
<a name="262" href="#262">262</a> <em>     */</em>
<a name="263" href="#263">263</a>     <strong>public</strong> <strong>void</strong> setPath(String path) {
<a name="264" href="#264">264</a>         cookiePath = path;
<a name="265" href="#265">265</a>     }
<a name="266" href="#266">266</a> 
<a name="267" href="#267">267</a>     <em>/**<em>*</em></em>
<a name="268" href="#268">268</a> <em>     * @return &lt;code>true&lt;/code> if this cookie should only be sent over secure connections.</em>
<a name="269" href="#269">269</a> <em>     * @see #setSecure(boolean)</em>
<a name="270" href="#270">270</a> <em>     */</em>
<a name="271" href="#271">271</a>     <strong>public</strong> <strong>boolean</strong> getSecure() {
<a name="272" href="#272">272</a>         <strong>return</strong> isSecure;
<a name="273" href="#273">273</a>     }
<a name="274" href="#274">274</a> 
<a name="275" href="#275">275</a>     <em>/**<em>*</em></em>
<a name="276" href="#276">276</a> <em>     * Sets the secure attribute of the cookie.</em>
<a name="277" href="#277">277</a> <em>     * &lt;p></em>
<a name="278" href="#278">278</a> <em>     * When &lt;tt>true&lt;/tt> the cookie should only be sent</em>
<a name="279" href="#279">279</a> <em>     * using a secure protocol (https).  This should only be set when</em>
<a name="280" href="#280">280</a> <em>     * the cookie's originating server used a secure protocol to set the</em>
<a name="281" href="#281">281</a> <em>     * cookie's value.</em>
<a name="282" href="#282">282</a> <em>     *</em>
<a name="283" href="#283">283</a> <em>     * @param secure The value of the secure attribute</em>
<a name="284" href="#284">284</a> <em>     * </em>
<a name="285" href="#285">285</a> <em>     * @see #getSecure()</em>
<a name="286" href="#286">286</a> <em>     */</em>
<a name="287" href="#287">287</a>     <strong>public</strong> <strong>void</strong> setSecure (<strong>boolean</strong> secure) {