org.eclipse.jetty.servlet

## Class ErrorPageErrorHandler

- java.lang.Object
- - org.eclipse.jetty.util.component.AbstractLifeCycle
  - - org.eclipse.jetty.util.component.AggregateLifeCycle
    - - org.eclipse.jetty.server.handler.AbstractHandler
      - - org.eclipse.jetty.server.handler.ErrorHandler
        - - org.eclipse.jetty.servlet.ErrorPageErrorHandler

- All Implemented Interfaces:
    Handler, Destroyable, Dumpable, LifeCycle

      public class ErrorPageErrorHandler
      extends ErrorHandler

  Error Page Error Handler An ErrorHandler that maps exceptions and status codes to URIs for dispatch using the internal ERROR style of dispatch.

- - ### Nested Class Summary

    - ### Nested classes/interfaces inherited from class org.eclipse.jetty.util.component.AbstractLifeCycle

      `AbstractLifeCycle.AbstractLifeCycleListener`

    - ### Nested classes/interfaces inherited from interface org.eclipse.jetty.util.component.LifeCycle

      `LifeCycle.Listener`

  - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `protected javax.servlet.ServletContext` | `_servletContext`
    `static String` | `ERROR_PAGE`

    - ### Fields inherited from class org.eclipse.jetty.util.component.AbstractLifeCycle

      `_listeners, FAILED, RUNNING, STARTED, STARTING, STOPPED, STOPPING`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `ErrorPageErrorHandler()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `addErrorPage(Class<? extends Throwable> exception, String uri)` Add Error Page mapping for an exception class This method is called as a result of an exception-type element in a web.xml file or may be called directly
    `void` | `addErrorPage(int from, int to, String uri)` Add Error Page mapping for a status code range.
    `void` | `addErrorPage(int code, String uri)` Add Error Page mapping for a status code.
    `void` | `addErrorPage(String exceptionClassName, String uri)` Add Error Page mapping for an exception class This method is called as a result of an exception-type element in a web.xml file or may be called directly
    `protected void` | `doStart()` Start the managed lifecycle beans in the order they were added.
    `protected void` | `doStop()` Stop the joined lifecycle beans in the reverse order they were added.
    `Map<String,String>` | `getErrorPages()`
    `void` | `handle(String target, Request baseRequest, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)` Handle a request.
    `void` | `setErrorPages(Map<String,String> errorPages)`

    - ### Methods inherited from class org.eclipse.jetty.server.handler.ErrorHandler

      `getCacheControl, handleErrorPage, isShowStacks, setCacheControl, setShowStacks, write, writeErrorPage, writeErrorPageBody, writeErrorPageHead, writeErrorPageMessage, writeErrorPageStacks`

    - ### Methods inherited from class org.eclipse.jetty.server.handler.AbstractHandler

      `destroy, dumpThis, getServer, setServer`

    - ### Methods inherited from class org.eclipse.jetty.util.component.AggregateLifeCycle

      `addBean, addBean, contains, dump, dump, dump, dump, dump, dumpObject, dumpStdErr, getBean, getBeans, getBeans, isManaged, manage, removeBean, removeBeans, unmanage`

    - ### Methods inherited from class org.eclipse.jetty.util.component.AbstractLifeCycle

      `addLifeCycleListener, getState, getState, isFailed, isRunning, isStarted, isStarting, isStopped, isStopping, removeLifeCycleListener, start, stop`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

    - ### Methods inherited from interface org.eclipse.jetty.util.component.LifeCycle

      `addLifeCycleListener, isFailed, isRunning, isStarted, isStarting, isStopped, isStopping, removeLifeCycleListener, start, stop`

- - ### Field Detail

    - #### ERROR_PAGE

          public static final String ERROR_PAGE

      See Also:
        Constant Field Values

    - #### _servletContext

          protected javax.servlet.ServletContext _servletContext

  - ### Constructor Detail

    - #### ErrorPageErrorHandler

          public ErrorPageErrorHandler()

  - ### Method Detail

    - #### handle

          public void handle(String target,
                    Request baseRequest,
                    javax.servlet.http.HttpServletRequest request,
                    javax.servlet.http.HttpServletResponse response)
                      throws IOException

      Description copied from interface: `Handler`
      Handle a request.
      Specified by:
        `handle` in interface `Handler`
      Overrides:
        `handle` in class `ErrorHandler`
      Parameters:
        `target` - The target of the request - either a URI or a name.
        `baseRequest` - The original unwrapped request object.
        `request` - The request either as the `Request` object or a wrapper of that request. The `AbstractHttpConnection.getCurrentConnection()` method can be used access the Request object if required.
        `response` - The response as the `Response` object or a wrapper of that request. The `AbstractHttpConnection.getCurrentConnection()` method can be used access the Response object if required.
      Throws:
        `IOException`
      See Also:
        `ErrorHandler.handle(String, Request, HttpServletRequest, HttpServletResponse)`

    - #### getErrorPages

          public Map<String,String> getErrorPages()

      Returns:
        Returns the errorPages.

    - #### setErrorPages

          public void setErrorPages(Map<String,String> errorPages)

      Parameters:
        `errorPages` - The errorPages to set. A map of Exception class name or error code as a string to URI string

    - #### addErrorPage

          public void addErrorPage(Class<? extends Throwable> exception,
                          String uri)

      Add Error Page mapping for an exception class This method is called as a result of an exception-type element in a web.xml file or may be called directly
      Parameters:
        `exception` - The exception
        `uri` - The URI of the error page.

    - #### addErrorPage

          public void addErrorPage(String exceptionClassName,
                          String uri)

      Add Error Page mapping for an exception class This method is called as a result of an exception-type element in a web.xml file or may be called directly
      Parameters:
        `exceptionClassName` - The exception
        `uri` - The URI of the error page.

    - #### addErrorPage

          public void addErrorPage(int code,
                          String uri)

      Add Error Page mapping for a status code. This method is called as a result of an error-code element in a web.xml file or may be called directly
      Parameters:
        `code` - The HTTP status code to match
        `uri` - The URI of the error page.

    - #### addErrorPage

          public void addErrorPage(int from,
                          int to,
                          String uri)

      Add Error Page mapping for a status code range. This method is not available from web.xml and must be called directly.
      Parameters:
        `from` - The lowest matching status code
        `to` - The highest matching status code
        `uri` - The URI of the error page.

    - #### doStart

          protected void doStart()
                          throws Exception

      Description copied from class: `AggregateLifeCycle`
      Start the managed lifecycle beans in the order they were added.
      Overrides:
        `doStart` in class `AbstractHandler`
      Throws:
        `Exception`
      See Also:
        `AbstractLifeCycle.doStart()`

    - #### doStop

          protected void doStop()
                         throws Exception

      Description copied from class: `AggregateLifeCycle`
      Stop the joined lifecycle beans in the reverse order they were added.
      Overrides:
        `doStop` in class `AbstractHandler`
      Throws:
        `Exception`
      See Also:
        `AbstractLifeCycle.doStart()`

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