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## org.apache.axis
Class FaultableHandler

    java.lang.Object
      org.apache.axis.handlers.BasicHandler
          org.apache.axis.FaultableHandler

All Implemented Interfaces:
  Handler, java.io.Serializable

public class FaultableHandler
extends BasicHandler

A `FaultableHandler` is essentially a wrapper for any other Handler which provides flexible fault handling semantics.

Author:
  Doug Davis (dug@us.ibm.com), Glen Daniels (gdaniels@apache.org)
See Also:
  Serialized Form

Field Summary
`protected static org.apache.commons.logging.Log` | `entLog` The `Log` used for enterprise-centric logging.
`protected static org.apache.commons.logging.Log` | `log` The `Log` used to log all events that would be of general interest.
`protected Handler` | `workHandler` The `Handler` that will do the actual work of handeling the fault.

Fields inherited from class org.apache.axis.handlers.BasicHandler
`makeLockable, name, options`

Constructor Summary
`FaultableHandler(Handler workHandler)` Create a new FaultHandler.

Method Summary
`boolean` | `canHandleBlock(QName qname)` Indicate if this handler can process `qname`.
`void` | `cleanup()` Cleanup is called when the chain containing this Handler object is done processing the chain.
`void` | `init()` Stubbed-out methods.
`void` | `invoke(MessageContext msgContext)` Invokes the specified handler.
`void` | `onFault(MessageContext msgContext)` Some handler later on has faulted so we need to process the fault.

Methods inherited from class org.apache.axis.handlers.BasicHandler
`generateWSDL, getDeploymentData, getName, getOption, getOptions, getUnderstoodHeaders, initHashtable, setName, setOption, setOptionDefault, setOptions, setOptionsLockable`

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

Field Detail

### log

    protected static org.apache.commons.logging.Log log

  The `Log` used to log all events that would be of general interest.

### entLog

    protected static org.apache.commons.logging.Log entLog

  The `Log` used for enterprise-centric logging. The enterprise category is for stuff that an enterprise product might want to track, but in a simple environment (like the AXIS build) would be nothing more than a nuisance.

### workHandler

    protected Handler workHandler

  The `Handler` that will do the actual work of handeling the fault.

Constructor Detail

### FaultableHandler

    public FaultableHandler(Handler workHandler)

  Create a new FaultHandler.

Parameters:
  `workHandler` - the Handler we're going to wrap with Fault semantics.

Method Detail

### init

    public void init()

  Description copied from class: `BasicHandler`
  Stubbed-out methods. Override in your child class to implement any real behavior. Note that there is NOT a stub for invoke(), since we require any Handler derivative to implement that.

  Specified by:
    `init` in interface `Handler`
  Overrides:
    `init` in class `BasicHandler`

### cleanup

    public void cleanup()

  Description copied from interface: `Handler`
  Cleanup is called when the chain containing this Handler object is done processing the chain.

  Specified by:
    `cleanup` in interface `Handler`
  Overrides:
    `cleanup` in class `BasicHandler`

### invoke

    public void invoke(MessageContext msgContext)
                throws AxisFault

  Invokes the specified handler. If there's a fault the appropriate key will be calculated and used to find the fault chain to be invoked. This assumes that the workHandler has caught the exception and already done its fault processing - as needed.

  Parameters:
    `msgContext` - the `MessageContext` to process
  Throws:
    `AxisFault` - if anything goes terminally wrong

### onFault

    public void onFault(MessageContext msgContext)

  Some handler later on has faulted so we need to process the fault.

  Specified by:
    `onFault` in interface `Handler`
  Overrides:
    `onFault` in class `BasicHandler`
  Parameters:
    `msgContext` - the context to process

### canHandleBlock

    public boolean canHandleBlock(QName qname)

  Description copied from interface: `Handler`
  Indicate if this handler can process `qname`.

  Specified by:
    `canHandleBlock` in interface `Handler`
  Overrides:
    `canHandleBlock` in class `BasicHandler`

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