httpstate.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="286" href="#286">286</a>     <em>/**<em>*</em></em>
<a name="287" href="#287">287</a> <em>     * Removes all of {@link Cookie cookies} in this HTTP state</em>
<a name="288" href="#288">288</a> <em>     * that have expired according to the current system time.</em>
<a name="289" href="#289">289</a> <em>     * </em>
<a name="290" href="#290">290</a> <em>     * @see #purgeExpiredCookies(java.util.Date)</em>
<a name="291" href="#291">291</a> <em>     * </em>
<a name="292" href="#292">292</a> <em>     */</em>
<a name="293" href="#293">293</a>     <strong>public</strong> <strong>synchronized</strong> <strong>boolean</strong> purgeExpiredCookies() {
<a name="294" href="#294">294</a>         LOG.trace(<span class="string">"enter HttpState.purgeExpiredCookies()"</span>);
<a name="295" href="#295">295</a>         <strong>return</strong> purgeExpiredCookies(<strong>new</strong> Date());
<a name="296" href="#296">296</a>     }
<a name="297" href="#297">297</a> 
<a name="298" href="#298">298</a>     <em>/**<em>*</em></em>
<a name="299" href="#299">299</a> <em>     * Removes all of {@link Cookie cookies} in this HTTP state</em>
<a name="300" href="#300">300</a> <em>     * that have expired by the specified {@link java.util.Date date}. </em>
<a name="301" href="#301">301</a> <em>     * </em>
<a name="302" href="#302">302</a> <em>     * @param date The {@link java.util.Date date} to compare against.</em>
<a name="303" href="#303">303</a> <em>     * </em>
<a name="304" href="#304">304</a> <em>     * @return true if any cookies were purged.</em>
<a name="305" href="#305">305</a> <em>     * </em>
<a name="306" href="#306">306</a> <em>     * @see Cookie#isExpired(java.util.Date)</em>
<a name="307" href="#307">307</a> <em>     * </em>
<a name="308" href="#308">308</a> <em>     * @see #purgeExpiredCookies()</em>
<a name="309" href="#309">309</a> <em>     */</em>
<a name="310" href="#310">310</a>     <strong>public</strong> <strong>synchronized</strong> <strong>boolean</strong> purgeExpiredCookies(Date date) {
<a name="311" href="#311">311</a>         LOG.trace(<span class="string">"enter HttpState.purgeExpiredCookies(Date)"</span>);
<a name="312" href="#312">312</a> <em class="comment">// BEGIN IA CHANGES</em>
<a name="313" href="#313">313</a> <em class="comment">//      PRIOR IMPL &amp; COMPARISON HARNESS LEFT COMMENTED OUT FOR TEMPORARY REFERENCE</em>
<a name="314" href="#314">314</a> <em class="comment">//        boolean arrayRemoved = false;</em>
<a name="315" href="#315">315</a> <em class="comment">//        Iterator ita = cookiesArrayList.iterator();</em>
<a name="316" href="#316">316</a> <em class="comment">//        while (ita.hasNext()) {</em>
<a name="317" href="#317">317</a> <em class="comment">//            if (((Cookie) (ita.next())).isExpired(date)) {</em>
<a name="318" href="#318">318</a> <em class="comment">//                ita.remove();</em>
<a name="319" href="#319">319</a> <em class="comment">//                arrayRemoved = true;</em>
<a name="320" href="#320">320</a> <em class="comment">//            }</em>
<a name="321" href="#321">321</a> <em class="comment">//        }</em>
<a name="322" href="#322">322</a>         <strong>boolean</strong> removed = false;
<a name="323" href="#323">323</a>         Iterator it = cookiesMap.values().iterator();
<a name="324" href="#324">324</a>         <strong>while</strong> (it.hasNext()) {
<a name="325" href="#325">325</a>             <strong>if</strong> (((Cookie) (it.next())).isExpired(date)) {
<a name="326" href="#326">326</a>                 it.remove();
<a name="327" href="#327">327</a>                 removed = <strong>true</strong>;
<a name="328" href="#328">328</a>             }
<a name="329" href="#329">329</a>         }
<a name="330" href="#330">330</a>         StoredIterator.close(it);
<a name="331" href="#331">331</a> <em class="comment">//        assert removed == arrayRemoved : "discrepancy"     </em>
<a name="332" href="#332">332</a> <em class="comment">// END IA CHANGES</em>
<a name="333" href="#333">333</a>         <strong>return</strong> removed;
<a name="334" href="#334">334</a>     }
<a name="335" href="#335">335</a> 
<a name="336" href="#336">336</a> 
<a name="337" href="#337">337</a>     <em>/**<em>*</em></em>
<a name="338" href="#338">338</a> <em>     * Returns the current {@link CookiePolicy cookie policy} for this</em>
<a name="339" href="#339">339</a> <em>     * HTTP state.</em>
<a name="340" href="#340">340</a> <em>     * </em>
<a name="341" href="#341">341</a> <em>     * @return The {@link CookiePolicy cookie policy}.</em>
<a name="342" href="#342">342</a> <em>     * </em>
<a name="343" href="#343">343</a> <em>     * @deprecated Use </em>
<a name="344" href="#344">344</a> <em>     *  {@link org.apache.commons.httpclient.params.HttpMethodParams#getCookiePolicy()},</em>
<a name="345" href="#345">345</a> <em>     *  {@link HttpMethod#getParams()}.     </em>
<a name="346" href="#346">346</a> <em>     */</em>
<a name="347" href="#347">347</a>     
<a name="348" href="#348">348</a>     <strong>public</strong> <strong>int</strong> getCookiePolicy() {
<a name="349" href="#349">349</a>         <strong>return</strong> <strong>this</strong>.cookiePolicy;
<a name="350" href="#350">350</a>     }
<a name="351" href="#351">351</a>     
<a name="352" href="#352">352</a> 
<a name="353" href="#353">353</a>     <em>/**<em>*</em></em>
<a name="354" href="#354">354</a> <em>     * Defines whether preemptive authentication should be </em>
<a name="355" href="#355">355</a> <em>     * attempted.</em>
<a name="356" href="#356">356</a> <em>     * </em>
<a name="357" href="#357">357</a> <em>     * @param value &lt;tt>true&lt;/tt> if preemptive authentication should be </em>
<a name="358" href="#358">358</a> <em>     * attempted, &lt;tt>false&lt;/tt> otherwise. </em>
<a name="359" href="#359">359</a> <em>     * </em>
<a name="360" href="#360">360</a> <em>     * @deprecated Use </em>
<a name="361" href="#361">361</a> <em>     * {@link org.apache.commons.httpclient.params.HttpClientParams#setAuthenticationPreemptive(boolean)}, </em>
<a name="362" href="#362">362</a> <em>     * {@link HttpClient#getParams()}.</em>
<a name="363" href="#363">363</a> <em>     */</em>
<a name="364" href="#364">364</a>     
<a name="365" href="#365">365</a>     <strong>public</strong> <strong>void</strong> setAuthenticationPreemptive(<strong>boolean</strong> value) {
<a name="366" href="#366">366</a>         <strong>this</strong>.preemptive = value;
<a name="367" href="#367">367</a>     }
<a name="368" href="#368">368</a> 
<a name="369" href="#369">369</a> 
<a name="370" href="#370">370</a>     <em>/**<em>*</em></em>
<a name="371" href="#371">371</a> <em>     * Returns &lt;tt>true&lt;/tt> if preemptive authentication should be </em>
<a name="372" href="#372">372</a> <em>     * attempted, &lt;tt>false&lt;/tt> otherwise.</em>
<a name="373" href="#373">373</a> <em>     * </em>
<a name="374" href="#374">374</a> <em>     * @return boolean flag.</em>
<a name="375" href="#375">375</a> <em>     * </em>
<a name="376" href="#376">376</a> <em>     * @deprecated Use </em>
<a name="377" href="#377">377</a> <em>     * {@link org.apache.commons.httpclient.params.HttpClientParams#isAuthenticationPreemptive()}, </em>
<a name="378" href="#378">378</a> <em>     * {@link HttpClient#getParams()}.</em>
<a name="379" href="#379">379</a> <em>     */</em>
<a name="380" href="#380">380</a>     
<a name="381" href="#381">381</a>     <strong>public</strong> <strong>boolean</strong> isAuthenticationPreemptive() {
<a name="382" href="#382">382</a>         <strong>return</strong> <strong>this</strong>.preemptive;
<a name="383" href="#383">383</a>     }
<a name="384" href="#384">384</a>     
<a name="385" href="#385">385</a> 
<a name="386" href="#386">386</a>     <em>/**<em>*</em></em>
<a name="387" href="#387">387</a> <em>     * Sets the current {@link CookiePolicy cookie policy} for this HTTP</em>
<a name="388" href="#388">388</a> <em>     * state to one of the following supported policies: </em>
<a name="389" href="#389">389</a> <em>     * {@link CookiePolicy#COMPATIBILITY}, </em>
<a name="390" href="#390">390</a> <em>     * {@link CookiePolicy#NETSCAPE_DRAFT} or</em>
<a name="391" href="#391">391</a> <em>     * {@link CookiePolicy#RFC2109}.</em>
<a name="392" href="#392">392</a> <em>     * </em>
<a name="393" href="#393">393</a> <em>     * @param policy new {@link CookiePolicy cookie policy}</em>
<a name="394" href="#394">394</a> <em>     * </em>
<a name="395" href="#395">395</a> <em>     * @deprecated </em>
<a name="396" href="#396">396</a> <em>     *  Use {@link org.apache.commons.httpclient.params.HttpMethodParams#setCookiePolicy(String)},</em>
<a name="397" href="#397">397</a> <em>     *  {@link HttpMethod#getParams()}.     </em>
<a name="398" href="#398">398</a> <em>     */</em>
<a name="399" href="#399">399</a>     
<a name="400" href="#400">400</a>     <strong>public</strong> <strong>void</strong> setCookiePolicy(<strong>int</strong> policy) {
<a name="401" href="#401">401</a>         <strong>this</strong>.cookiePolicy = policy;
<a name="402" href="#402">402</a>     }
<a name="403" href="#403">403</a> 
<a name="404" href="#404">404</a>     <em>/**<em>* </em></em>
<a name="405" href="#405">405</a> <em>     * Sets the {@link Credentials credentials} for the given authentication </em>
<a name="406" href="#406">406</a> <em>     * realm on the given host. The &lt;code>null&lt;/code> realm signifies default </em>
<a name="407" href="#407">407</a> <em>     * credentials for the given host, which should be used when no </em>
<a name="408" href="#408">408</a> <em>     * {@link Credentials credentials} have been explictly supplied for the </em>
<a name="409" href="#409">409</a> <em>     * challenging realm. The &lt;code>null&lt;/code> host signifies default </em>
<a name="410" href="#410">410</a> <em>     * credentials, which should be used when no {@link Credentials credentials} </em>
<a name="411" href="#411">411</a> <em>     * have been explictly supplied for the challenging host. Any previous </em>
<a name="412" href="#412">412</a> <em>     * credentials for the given realm on the given host will be overwritten.</em>
<a name="413" href="#413">413</a> <em>     * </em>
<a name="414" href="#414">414</a> <em>     * @param realm the authentication realm</em>
<a name="415" href="#415">415</a> <em>     * @param host the host the realm belongs to</em>
<a name="416" href="#416">416</a> <em>     * @param credentials the authentication {@link Credentials credentials} </em>
<a name="417" href="#417">417</a> <em>     * for the given realm.</em>
<a name="418" href="#418">418</a> <em>     * </em>
<a name="419" href="#419">419</a> <em>     * @see #getCredentials(String, String)</em>
<a name="420" href="#420">420</a> <em>     * @see #setProxyCredentials(String, String, Credentials) </em>
<a name="421" href="#421">421</a> <em>     * </em>
<a name="422" href="#422">422</a> <em>     * @deprecated use #setCredentials(AuthScope, Credentials)</em>
<a name="423" href="#423">423</a> <em>     */</em>
<a name="424" href="#424">424</a>     
<a name="425" href="#425">425</a>     <strong>public</strong> <strong>synchronized</strong> <strong>void</strong> setCredentials(String realm, String host, Credentials credentials) {
<a name="426" href="#426">426</a>         LOG.trace(<span class="string">"enter HttpState.setCredentials(String, String, Credentials)"</span>);
<a name="427" href="#427">427</a>         credMap.put(<strong>new</strong> AuthScope(host, AuthScope.ANY_PORT, realm, AuthScope.ANY_SCHEME), credentials);
<a name="428" href="#428">428</a>     }
<a name="429" href="#429">429</a> 
<a name="430" href="#430">430</a>     <em>/**<em>* </em></em>
<a name="431" href="#431">431</a> <em>     * Sets the {@link Credentials credentials} for the given authentication </em>
<a name="432" href="#432">432</a> <em>     * scope. Any previous credentials for the given scope will be overwritten.</em>