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java.lang.Object extended by javax.xml.rpc.handler.GenericHandler
The javax.xml.rpc.handler.GenericHandler class
implements the Handler interface. SOAP Message
Handler developers should typically subclass
GenericHandler class unless the Handler class
needs another class as a superclass.
The GenericHandler class is a convenience abstract
class that makes writing Handlers easy. This class provides
default implementations of the lifecycle methods init
and destroy and also different handle methods.
A Handler developer should only override methods that it needs
to specialize as part of the derived Handler
implementation class.
| Constructor Summary | |
|---|---|
protected |
GenericHandler()
Default constructor |
| Method Summary | |
|---|---|
void |
destroy()
The destroy method indicates the end of lifecycle
for a Handler instance. |
abstract QName[] |
getHeaders()
Gets the header blocks processed by this Handler instance. |
boolean |
handleFault(MessageContext context)
The handleFault method processes the SOAP faults
based on the SOAP message processing model. |
boolean |
handleRequest(MessageContext context)
The handleRequest method processes the request
SOAP message. |
boolean |
handleResponse(MessageContext context)
The handleResponse method processes the response
message. |
void |
init(HandlerInfo config)
The init method to enable the Handler instance to
initialize itself. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
protected GenericHandler()
| Method Detail |
|---|
public boolean handleRequest(MessageContext context)
handleRequest method processes the request
SOAP message. The default implementation of this method returns
true. This indicates that the handler chain
should continue processing of the request SOAP message.
This method should be overridden if the derived Handler class
needs to specialize implementation of this method.
handleRequest in interface Handlercontext - MessageContext parameter provides
access to the request message.
true to indicate continued
processing of the request handler chain. The
HandlerChain
takes the responsibility of invoking the next
entity. The next entity may be the next handler
in the HandlerChain or if this
handler is the last handler in the chain, the
next entity is the service endpoint object.
false to indicate blocking
of the request handler chain. In this case,
further processing of the request handler chain
is blocked and the target service endpoint is
not dispatched. The JAX-RPC runtime system takes
the responsibility of invoking the response
handler chain next with the SOAPMessageContext.
The Handler implementation class has the the
responsibility of setting the appropriate response
SOAP message in either handleRequest and/or
handleResponse method. In the default processing
model, the response handler chain starts processing
from the same Handler instance (that returned false)
and goes backward in the execution sequence.
Handler.handleRequest(javax.xml.rpc.handler.MessageContext)public boolean handleResponse(MessageContext context)
handleResponse method processes the response
message. The default implementation of this method returns
true. This indicates that the handler chain
should continue processing of the response SOAP message.
This method should be overridden if the derived Handler class
needs to specialize implementation of this method.
handleResponse in interface Handlercontext - MessageContext parameter provides access to
the response SOAP message
true to indicate continued
processing ofthe response handler chain. The
HandlerChain invokes the handleResponse
method on the next Handler in
the handler chain.
false to indicate blocking
of the response handler chain. In this case, no
other response handlers in the handler chain
are invoked.
Handler.handleResponse(javax.xml.rpc.handler.MessageContext)public boolean handleFault(MessageContext context)
handleFault method processes the SOAP faults
based on the SOAP message processing model. The default
implementation of this method returns true. This
indicates that the handler chain should continue processing
of the SOAP fault. This method should be overridden if
the derived Handler class needs to specialize implementation
of this method.
handleFault in interface Handlercontext - MessageContext parameter provides access to
the SOAP message
true to indicate continued
processing of SOAP Fault. The HandlerChain invokes
the handleFault method on the
next Handler in the handler chain.
false to indicate end
of the SOAP fault processing. In this case, no
other handlers in the handler chain
are invoked.
Handler.handleFault(javax.xml.rpc.handler.MessageContext)public void init(HandlerInfo config)
init method to enable the Handler instance to
initialize itself. This method should be overridden if
the derived Handler class needs to specialize implementation
of this method.
public void destroy()
destroy method indicates the end of lifecycle
for a Handler instance. This method should be overridden if
the derived Handler class needs to specialize implementation
of this method.
Handler.destroy()public abstract QName[] getHeaders()
getHeaders in interface HandlerQName is the qualified
name of the outermost element of the Header block.
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