CookieStore (Java Platform SE 6) - JDK 5 Documentation v6.0, Java 2 SDK 英文文档

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Java™ Platform
Standard Ed. 6

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java.net
Interface CookieStore

public interface CookieStore

A CookieStore object represents a storage for cookie. Can store and retrieve cookies.

CookieManager will call CookieStore.add to save cookies for every incoming HTTP response, and call CookieStore.get to retrieve cookie for every outgoing HTTP request. A CookieStore is responsible for removing HttpCookie instances which have expired.

Since:: 1.6

Method Summary

void add(URI uri, HttpCookie cookie)
          Adds one HTTP cookie to the store.

List<HttpCookie> get(URI uri)
          Retrieve cookies associated with given URI, or whose domain matches the given URI.

List<HttpCookie> getCookies()
          Get all not-expired cookies in cookie store.

List<URI> getURIs()
          Get all URIs which identify the cookies in this cookie store.

boolean remove(URI uri, HttpCookie cookie)
          Remove a cookie from store.

boolean removeAll()
          Remove all cookies in this cookie store.

Method Summary
`void`	`add(URI uri, HttpCookie cookie)` Adds one HTTP cookie to the store.
`List<HttpCookie>`	`get(URI uri)` Retrieve cookies associated with given URI, or whose domain matches the given URI.
`List<HttpCookie>`	`getCookies()` Get all not-expired cookies in cookie store.
`List<URI>`	`getURIs()` Get all URIs which identify the cookies in this cookie store.
`boolean`	`remove(URI uri, HttpCookie cookie)` Remove a cookie from store.
`boolean`	`removeAll()` Remove all cookies in this cookie store.

Method Detail

add

void add(URI uri,
         HttpCookie cookie)

Adds one HTTP cookie to the store. This is called for every incoming HTTP response.

A cookie to store may or may not be associated with an URI. If it is not associated with an URI, the cookie's domain and path attribute will indicate where it comes from. If it is associated with an URI and its domain and path attribute are not speicifed, given URI will indicate where this cookie comes from.

If a cookie corresponding to the given URI already exists, then it is replaced with the new one.

Parameters:: uri - the uri this cookie associated with. if null, this cookie will not be associated with an URI; cookie - the cookie to store
Throws:: NullPointerException - if cookie is null
See Also:: get(java.net.URI)

get

List<HttpCookie> get(URI uri)

Retrieve cookies associated with given URI, or whose domain matches the given URI. Only cookies that have not expired are returned. This is called for every outgoing HTTP request.

Returns:: an immutable list of HttpCookie, return empty list if no cookies match the given URI
Throws:: NullPointerException - if uri is null
See Also:: add(java.net.URI, java.net.HttpCookie)

getCookies

List<HttpCookie> getCookies()

Get all not-expired cookies in cookie store.

Returns:: an immutable list of http cookies; return empty list if there's no http cookie in store

getURIs

List<URI> getURIs()

Get all URIs which identify the cookies in this cookie store.

Returns:: an immutable list of URIs; return empty list if no cookie in this cookie store is associated with an URI

remove

boolean remove(URI uri,
               HttpCookie cookie)

Remove a cookie from store.

Parameters:: uri - the uri this cookie associated with. if null, the cookie to be removed is not associated with an URI when added; if not null, the cookie to be removed is associated with the given URI when added.; cookie - the cookie to remove
Returns:: true if this store contained the specified cookie
Throws:: NullPointerException - if cookie is null

removeAll

boolean removeAll()

Remove all cookies in this cookie store.

Returns:: true if this store changed as a result of the call