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## com.sun.jersey.api.client.filter
Class CsrfProtectionFilter

    java.lang.Object
      com.sun.jersey.api.client.filter.ClientFilter
          com.sun.jersey.api.client.filter.CsrfProtectionFilter

All Implemented Interfaces:
  ClientHandler

    public class CsrfProtectionFilter

extends ClientFilter

Simple client-side filter that adds X-Requested-By headers to all state-changing request (i.e. request for methods other than GET, HEAD and OPTIONS). This is to satisfy the requirements of the `CsrfProtectionFilter` on the server side.

Author:
  Martin Matula

Constructor Summary
`CsrfProtectionFilter()`
`CsrfProtectionFilter(java.lang.String requestedBy)` Initialized the filter with a desired value of the X-Requested-By header.

Method Summary
`ClientResponse` | `handle(ClientRequest cr)` Adds X-Requested-By header (if not present) to potentially state changing requests.

Methods inherited from class com.sun.jersey.api.client.filter.ClientFilter
`getNext`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### CsrfProtectionFilter

    public CsrfProtectionFilter()

### CsrfProtectionFilter

    public CsrfProtectionFilter(java.lang.String requestedBy)

  Initialized the filter with a desired value of the X-Requested-By header.

  Parameters:
    `requestedBy` - Desired value of X-Requested-By header the filter will be adding for all potentially state changing requests.

Method Detail

### handle

    public ClientResponse handle(ClientRequest cr)
                          throws ClientHandlerException

  Adds X-Requested-By header (if not present) to potentially state changing requests.

  Specified by:
    `handle` in interface `ClientHandler`
  Specified by:
    `handle` in class `ClientFilter`
  Parameters:
    `cr` - Client request to be processed.
  Returns:
    Response
  Throws:
    `ClientHandlerException`

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