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="436" href="#436">436</a> <em>     */</em>
<a name="437" href="#437">437</a>     <strong>public</strong> String toExternalForm() {
<a name="438" href="#438">438</a>         <a href="../../../../org/apache/commons/httpclient/cookie/CookieSpec.html">CookieSpec</a> spec = <strong>null</strong>;
<a name="439" href="#439">439</a>         <strong>if</strong> (getVersion() > 0) {
<a name="440" href="#440">440</a>             spec = CookiePolicy.getDefaultSpec(); 
<a name="441" href="#441">441</a>         } <strong>else</strong> {
<a name="442" href="#442">442</a>             spec = CookiePolicy.getCookieSpec(CookiePolicy.NETSCAPE); 
<a name="443" href="#443">443</a>         }
<a name="444" href="#444">444</a>         <strong>return</strong> spec.formatCookie(<strong>this</strong>); 
<a name="445" href="#445">445</a>     }
<a name="446" href="#446">446</a> 
<a name="447" href="#447">447</a>     <em>/**<em>*</em></em>
<a name="448" href="#448">448</a> <em>     * &lt;p>Compares two cookies to determine order for cookie header.&lt;/p></em>
<a name="449" href="#449">449</a> <em>     * &lt;p>Most specific should be first. &lt;/p></em>
<a name="450" href="#450">450</a> <em>     * &lt;p>This method is implemented so a cookie can be used as a comparator for</em>
<a name="451" href="#451">451</a> <em>     * a SortedSet of cookies. Specifically it's used above in the </em>
<a name="452" href="#452">452</a> <em>     * createCookieHeader method.&lt;/p></em>
<a name="453" href="#453">453</a> <em>     * @param o1 The first object to be compared</em>
<a name="454" href="#454">454</a> <em>     * @param o2 The second object to be compared</em>
<a name="455" href="#455">455</a> <em>     * @return See {@link java.util.Comparator#compare(Object,Object)}</em>
<a name="456" href="#456">456</a> <em>     */</em>
<a name="457" href="#457">457</a>     <strong>public</strong> <strong>int</strong> compare(Object o1, Object o2) {
<a name="458" href="#458">458</a>         LOG.trace(<span class="string">"enter Cookie.compare(Object, Object)"</span>);
<a name="459" href="#459">459</a> 
<a name="460" href="#460">460</a>         <strong>if</strong> (!(o1 instanceof Cookie)) {
<a name="461" href="#461">461</a>             <strong>throw</strong> <strong>new</strong> ClassCastException(o1.getClass().getName());
<a name="462" href="#462">462</a>         }
<a name="463" href="#463">463</a>         <strong>if</strong> (!(o2 instanceof Cookie)) {
<a name="464" href="#464">464</a>             <strong>throw</strong> <strong>new</strong> ClassCastException(o2.getClass().getName());
<a name="465" href="#465">465</a>         }
<a name="466" href="#466">466</a>         <a href="../../../../org/apache/commons/httpclient/Cookie.html">Cookie</a> c1 = (Cookie) o1;
<a name="467" href="#467">467</a>         <a href="../../../../org/apache/commons/httpclient/Cookie.html">Cookie</a> c2 = (Cookie) o2;
<a name="468" href="#468">468</a>         <strong>if</strong> (c1.getPath() == <strong>null</strong> &amp;&amp; c2.getPath() == <strong>null</strong>) {
<a name="469" href="#469">469</a>             <strong>return</strong> 0;
<a name="470" href="#470">470</a>         } <strong>else</strong> <strong>if</strong> (c1.getPath() == <strong>null</strong>) {
<a name="471" href="#471">471</a>             <em class="comment">// null is assumed to be "/"</em>
<a name="472" href="#472">472</a>             <strong>if</strong> (c2.getPath().equals(CookieSpec.PATH_DELIM)) {
<a name="473" href="#473">473</a>                 <strong>return</strong> 0;
<a name="474" href="#474">474</a>             } <strong>else</strong> {
<a name="475" href="#475">475</a>                 <strong>return</strong> -1;
<a name="476" href="#476">476</a>             }
<a name="477" href="#477">477</a>         } <strong>else</strong> <strong>if</strong> (c2.getPath() == <strong>null</strong>) {
<a name="478" href="#478">478</a>             <em class="comment">// null is assumed to be "/"</em>
<a name="479" href="#479">479</a>             <strong>if</strong> (c1.getPath().equals(CookieSpec.PATH_DELIM)) {
<a name="480" href="#480">480</a>                 <strong>return</strong> 0;
<a name="481" href="#481">481</a>             } <strong>else</strong> {
<a name="482" href="#482">482</a>                 <strong>return</strong> 1;
<a name="483" href="#483">483</a>             }
<a name="484" href="#484">484</a>         } <strong>else</strong> {
<a name="485" href="#485">485</a>             <strong>return</strong> STRING_COLLATOR.compare(c1.getPath(), c2.getPath());
<a name="486" href="#486">486</a>         }
<a name="487" href="#487">487</a>     }
<a name="488" href="#488">488</a> 
<a name="489" href="#489">489</a>     <em>/**<em>*</em></em>
<a name="490" href="#490">490</a> <em>     * Return a textual representation of the cookie.</em>
<a name="491" href="#491">491</a> <em>     * </em>
<a name="492" href="#492">492</a> <em>     * @return string.</em>
<a name="493" href="#493">493</a> <em>     * </em>
<a name="494" href="#494">494</a> <em>     * @see #toExternalForm</em>
<a name="495" href="#495">495</a> <em>     */</em>
<a name="496" href="#496">496</a>     <strong>public</strong> String toString() {
<a name="497" href="#497">497</a>         <strong>return</strong> toExternalForm();
<a name="498" href="#498">498</a>     }
<a name="499" href="#499">499</a> 
<a name="500" href="#500">500</a> <em class="comment">// BEGIN IA ADDITION</em>
<a name="501" href="#501">501</a>     <em>/**<em>*</em></em>
<a name="502" href="#502">502</a> <em>     * Create a 'sort key' for this Cookie that will cause it to sort </em>
<a name="503" href="#503">503</a> <em>     * alongside other Cookies of the same domain (with or without leading</em>
<a name="504" href="#504">504</a> <em>     * '.'). This helps cookie-match checks consider only narrow set of</em>
<a name="505" href="#505">505</a> <em>     * possible matches, rather than all cookies. </em>
<a name="506" href="#506">506</a> <em>     * </em>
<a name="507" href="#507">507</a> <em>     * Only two cookies that are equals() (same domain, path, name) will have</em>
<a name="508" href="#508">508</a> <em>     * the same sort key. The '\1' separator character is important in </em>
<a name="509" href="#509">509</a> <em>     * conjunction with Cookie.DOMAIN+OVERBOUNDS, allowing keys based on the</em>
<a name="510" href="#510">510</a> <em>     * domain plus an extension to define the relevant range in a SortedMap. </em>
<a name="511" href="#511">511</a> <em>     * @return String sort key for this cookie</em>
<a name="512" href="#512">512</a> <em>     */</em>
<a name="513" href="#513">513</a>     <strong>public</strong> String getSortKey() {
<a name="514" href="#514">514</a>         String domain = getDomain();
<a name="515" href="#515">515</a>         <strong>return</strong> (domain.startsWith(<span class="string">"."</span>)) 
<a name="516" href="#516">516</a>             ? domain.substring(1) + <span class="string">"\1.\1"</span> + getPath() + <span class="string">"\1"</span> + getName() 
<a name="517" href="#517">517</a>             : domain + <span class="string">"\1\1"</span> + getPath() + <span class="string">"\1"</span> + getName();
<a name="518" href="#518">518</a>     }
<a name="519" href="#519">519</a> <em class="comment">//  END IA ADDITION   </em>
<a name="520" href="#520">520</a>     
<a name="521" href="#521">521</a>    <em class="comment">// ----------------------------------------------------- Instance Variables</em>
<a name="522" href="#522">522</a> 
<a name="523" href="#523">523</a>    <em>/**<em>* Comment attribute. */</em></em>
<a name="524" href="#524">524</a>    <strong>private</strong> String  cookieComment;
<a name="525" href="#525">525</a> 
<a name="526" href="#526">526</a>    <em>/**<em>* Domain attribute. */</em></em>
<a name="527" href="#527">527</a>    <strong>private</strong> String  cookieDomain;
<a name="528" href="#528">528</a> 
<a name="529" href="#529">529</a>    <em>/**<em>* Expiration {@link Date}. */</em></em>
<a name="530" href="#530">530</a>    <strong>private</strong> Date    cookieExpiryDate;
<a name="531" href="#531">531</a> 
<a name="532" href="#532">532</a>    <em>/**<em>* Path attribute. */</em></em>
<a name="533" href="#533">533</a>    <strong>private</strong> String  cookiePath;
<a name="534" href="#534">534</a> 
<a name="535" href="#535">535</a>    <em>/**<em>* My secure flag. */</em></em>
<a name="536" href="#536">536</a>    <strong>private</strong> <strong>boolean</strong> isSecure;
<a name="537" href="#537">537</a> 
<a name="538" href="#538">538</a>    <em>/**<em>*</em></em>
<a name="539" href="#539">539</a> <em>    * Specifies if the set-cookie header included a Path attribute for this</em>
<a name="540" href="#540">540</a> <em>    * cookie</em>
<a name="541" href="#541">541</a> <em>    */</em>
<a name="542" href="#542">542</a>    <strong>private</strong> <strong>boolean</strong> hasPathAttribute = false;
<a name="543" href="#543">543</a> 
<a name="544" href="#544">544</a>    <em>/**<em>*</em></em>
<a name="545" href="#545">545</a> <em>    * Specifies if the set-cookie header included a Domain attribute for this</em>
<a name="546" href="#546">546</a> <em>    * cookie</em>
<a name="547" href="#547">547</a> <em>    */</em>
<a name="548" href="#548">548</a>    <strong>private</strong> <strong>boolean</strong> hasDomainAttribute = false;
<a name="549" href="#549">549</a> 
<a name="550" href="#550">550</a>    <em>/**<em>* The version of the cookie specification I was created from. */</em></em>
<a name="551" href="#551">551</a>    <strong>private</strong> <strong>int</strong>     cookieVersion = 0;
<a name="552" href="#552">552</a> 
<a name="553" href="#553">553</a>    <em class="comment">// -------------------------------------------------------------- Constants</em>
<a name="554" href="#554">554</a> 
<a name="555" href="#555">555</a>    <em>/**<em>* </em></em>
<a name="556" href="#556">556</a> <em>    * Collator for Cookie comparisons.  Could be replaced with references to</em>
<a name="557" href="#557">557</a> <em>    * specific Locales.</em>
<a name="558" href="#558">558</a> <em>    */</em>
<a name="559" href="#559">559</a>    <strong>private</strong> <strong>static</strong> <strong>final</strong> RuleBasedCollator STRING_COLLATOR =
<a name="560" href="#560">560</a>         (RuleBasedCollator) RuleBasedCollator.getInstance(
<a name="561" href="#561">561</a>                                                 <strong>new</strong> Locale(<span class="string">"en"</span>, <span class="string">"US"</span>, <span class="string">""</span>));
<a name="562" href="#562">562</a> 
<a name="563" href="#563">563</a>    <em>/**<em>* Log object for this class */</em></em>
<a name="564" href="#564">564</a>    <strong>private</strong> <strong>static</strong> <strong>final</strong> Log LOG = LogFactory.getLog(Cookie.<strong>class</strong>);
<a name="565" href="#565">565</a> 
<a name="566" href="#566">566</a> <em class="comment">// BEGIN IA ADDITION</em>
<a name="567" href="#567">567</a>    <em>/**<em>*</em></em>
<a name="568" href="#568">568</a> <em>    * Character which, if appended to end of a domain, will give a </em>
<a name="569" href="#569">569</a> <em>    * boundary key that sorts past all Cookie sortKeys for the same</em>
<a name="570" href="#570">570</a> <em>    * domain. </em>
<a name="571" href="#571">571</a> <em>    */</em>
<a name="572" href="#572">572</a>    <strong>public</strong> <strong>static</strong> <strong>final</strong> <strong>char</strong> DOMAIN_OVERBOUNDS = '\2';
<a name="573" href="#573">573</a> <em class="comment">// END IA ADDITION</em>
<a name="574" href="#574">574</a> }
<a name="575" href="#575">575</a> 
</pre>
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