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jdk.net.CookieManager

CookieManager provides a concrete implementation of CookieHandler, which separates the storage of cookies from the policy surrounding accepting and rejecting cookies. A CookieManager is initialized with a CookieStore which manages storage, and a CookiePolicy object, which makes policy decisions on cookie acceptance/rejection.

The HTTP cookie management in java.net package looks like:

             use

CookieHandler <------- HttpURLConnection ^ | impl | use CookieManager -------> CookiePolicy | use |--------> HttpCookie | ^ | | use | use | |--------> CookieStore ^ | impl | Internal in-memory implementation

CookieHandler is at the core of cookie management. User can call
CookieHandler.setDefault to set a concrete CookieHanlder implementation
to be used.


CookiePolicy.shouldAccept will be called by CookieManager.put to see whether
or not one cookie should be accepted and put into cookie store. User can use
any of three pre-defined CookiePolicy, namely ACCEPT_ALL, ACCEPT_NONE and
ACCEPT_ORIGINAL_SERVER, or user can define his own CookiePolicy implementation
and tell CookieManager to use it.


CookieStore is the place where any accepted HTTP cookie is stored in.
If not specified when created, a CookieManager instance will use an internal
in-memory implementation. Or user can implements one and tell CookieManager
to use it.


Currently, only CookieStore.add(URI, HttpCookie) and CookieStore.get(URI)
are used by CookieManager. Others are for completeness and might be needed
by a more sophisticated CookieStore implementation, e.g. a NetscapeCookieSotre.

There're various ways user can hook up his own HTTP cookie management behavior, e.g.

Use CookieHandler.setDefault to set a brand new CookieHandler implementation Let CookieManager be the default CookieHandler implementation, but implement user's own CookieStore and CookiePolicy and tell default CookieManager to use them:

  // this should be done at the beginning of an HTTP session
  CookieHandler.setDefault(new CookieManager(new MyCookieStore(), new MyCookiePolicy()));

Let CookieManager be the default CookieHandler implementation, but use customized CookiePolicy:

  // this should be done at the beginning of an HTTP session
  CookieHandler.setDefault(new CookieManager());
  // this can be done at any point of an HTTP session
  ((CookieManager)CookieHandler.getDefault()).setCookiePolicy(new MyCookiePolicy());

The implementation conforms to RFC 2965, section 3.3.

CookieManager provides a concrete implementation of CookieHandler,
which separates the storage of cookies from the policy surrounding accepting
and rejecting cookies. A CookieManager is initialized with a CookieStore
which manages storage, and a CookiePolicy object, which makes
policy decisions on cookie acceptance/rejection.

 The HTTP cookie management in java.net package looks like:



                 use
CookieHandler <------- HttpURLConnection
      ^
      | impl
      |         use
CookieManager -------> CookiePolicy
            |   use
            |--------> HttpCookie
            |              ^
            |              | use
            |   use        |
            |--------> CookieStore
                           ^
                           | impl
                           |
                 Internal in-memory implementation


    CookieHandler is at the core of cookie management. User can call
    CookieHandler.setDefault to set a concrete CookieHanlder implementation
    to be used.


    CookiePolicy.shouldAccept will be called by CookieManager.put to see whether
    or not one cookie should be accepted and put into cookie store. User can use
    any of three pre-defined CookiePolicy, namely ACCEPT_ALL, ACCEPT_NONE and
    ACCEPT_ORIGINAL_SERVER, or user can define his own CookiePolicy implementation
    and tell CookieManager to use it.


    CookieStore is the place where any accepted HTTP cookie is stored in.
    If not specified when created, a CookieManager instance will use an internal
    in-memory implementation. Or user can implements one and tell CookieManager
    to use it.


    Currently, only CookieStore.add(URI, HttpCookie) and CookieStore.get(URI)
    are used by CookieManager. Others are for completeness and might be needed
    by a more sophisticated CookieStore implementation, e.g. a NetscapeCookieSotre.




There're various ways user can hook up his own HTTP cookie management behavior, e.g.


  Use CookieHandler.setDefault to set a brand new CookieHandler implementation
  Let CookieManager be the default CookieHandler implementation,
      but implement user's own CookieStore and CookiePolicy
      and tell default CookieManager to use them:


      // this should be done at the beginning of an HTTP session
      CookieHandler.setDefault(new CookieManager(new MyCookieStore(), new MyCookiePolicy()));
  Let CookieManager be the default CookieHandler implementation, but
      use customized CookiePolicy:


      // this should be done at the beginning of an HTTP session
      CookieHandler.setDefault(new CookieManager());
      // this can be done at any point of an HTTP session
      ((CookieManager)CookieHandler.getDefault()).setCookiePolicy(new MyCookiePolicy());



The implementation conforms to RFC 2965, section 3.3.
raw docstring

->cookie-managerclj

(->cookie-manager)
(->cookie-manager store cookie-policy)

Constructor.

Create a new cookie manager with specified cookie store and cookie policy.

store - a CookieStore to be used by cookie manager. if null, cookie manager will use a default one, which is an in-memory CookieStore implementation. - java.net.CookieStore cookie-policy - a CookiePolicy instance to be used by cookie manager as policy callback. if null, ACCEPT_ORIGINAL_SERVER will be used. - java.net.CookiePolicy

Constructor.

Create a new cookie manager with specified cookie store and cookie policy.

store - a CookieStore to be used by cookie manager. if null, cookie manager will use a default one, which is an in-memory CookieStore implementation. - `java.net.CookieStore`
cookie-policy - a CookiePolicy instance to be used by cookie manager as policy callback. if null, ACCEPT_ORIGINAL_SERVER will be used. - `java.net.CookiePolicy`
raw docstring

getclj

(get this uri request-headers)

Description copied from class: CookieHandler

uri - a URI representing the intended use for the cookies - java.net.URI request-headers - - a Map from request header field names to lists of field values representing the current request headers - java.util.Map<java.lang.String,java.util.List<java.lang.String>>

returns: an immutable map from state management headers, with field names Cookie or Cookie2 to a list of cookies containing state information - java.util.Map<java.lang.String,java.util.List<java.lang.String>>

throws: java.io.IOException - if an I/O error occurs

Description copied from class: CookieHandler

uri - a URI representing the intended use for the cookies - `java.net.URI`
request-headers - - a Map from request header field names to lists of field values representing the current request headers - `java.util.Map<java.lang.String,java.util.List<java.lang.String>>`

returns: an immutable map from state management headers, with
            field names `Cookie` or `Cookie2` to a list of
            cookies containing state information - `java.util.Map<java.lang.String,java.util.List<java.lang.String>>`

throws: java.io.IOException - if an I/O error occurs
raw docstring

(get-cookie-store this)

To retrieve current cookie store.

returns: the cookie store currently used by cookie manager. - java.net.CookieStore

To retrieve current cookie store.

returns: the cookie store currently used by cookie manager. - `java.net.CookieStore`
raw docstring

putclj

(put this uri response-headers)

Description copied from class: CookieHandler

uri - a URI where the cookies come from - java.net.URI response-headers - an immutable map from field names to lists of field values representing the response header fields returned - java.util.Map<java.lang.String,java.util.List<java.lang.String>>

throws: java.io.IOException - if an I/O error occurs

Description copied from class: CookieHandler

uri - a URI where the cookies come from - `java.net.URI`
response-headers - an immutable map from field names to lists of field values representing the response header fields returned - `java.util.Map<java.lang.String,java.util.List<java.lang.String>>`

throws: java.io.IOException - if an I/O error occurs
raw docstring

(set-cookie-policy this cookie-policy)

To set the cookie policy of this cookie manager.

A instance of CookieManager will have cookie policy ACCEPT_ORIGINAL_SERVER by default. Users always can call this method to set another cookie policy.

cookie-policy - the cookie policy. Can be null, which has no effects on current cookie policy. - java.net.CookiePolicy

To set the cookie policy of this cookie manager.

  A instance of CookieManager will have
 cookie policy ACCEPT_ORIGINAL_SERVER by default. Users always
 can call this method to set another cookie policy.

cookie-policy - the cookie policy. Can be null, which has no effects on current cookie policy. - `java.net.CookiePolicy`
raw docstring

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