/*
* Copyright 2001-2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.axis.ime.internal.util.handler;
import org.apache.axis.Handler;
import org.apache.axis.MessageContext;
import org.apache.axis.TargetedChain;
import org.apache.axis.components.logger.LogFactory;
import org.apache.axis.ime.MessageExchangeCorrelator;
import org.apache.axis.ime.MessageExchangeEvent;
import org.apache.axis.ime.MessageExchangeEventListener;
import org.apache.axis.ime.event.MessageFaultEvent;
import org.apache.axis.ime.event.MessageSendEvent;
import org.apache.axis.ime.internal.FirstComeFirstServeDispatchPolicy;
import org.apache.axis.ime.internal.MessageExchangeProvider;
import org.apache.axis.ime.internal.MessageExchangeSendContext;
import org.apache.axis.ime.internal.ReceivedMessageDispatchPolicy;
import org.apache.commons.logging.Log;
import java.util.Hashtable;
/**
* Used to wrap synchronous handlers (e.g. Axis 1.0 transports)
*
* @author James M Snell (jasnell@us.ibm.com)
*/
public class HandlerMessageExchange
extends MessageExchangeProvider {
protected static Log log =
LogFactory.getLog(HandlerMessageExchange.class.getName());
private Handler handler;
public HandlerMessageExchange(Handler handler) {
this.handler = handler;
}
/**
* @see org.apache.axis.ime.internal.MessageExchangeProvider1#createSendMessageContextListener()
*/
protected MessageExchangeEventListener getMessageExchangeEventListener() {
return new Listener(handler);
}
protected ReceivedMessageDispatchPolicy getReceivedMessageDispatchPolicy() {
return new FirstComeFirstServeDispatchPolicy(
RECEIVE,
RECEIVE_REQUESTS);
}
public Handler getSendHandler() {
Handler h = super.getSendHandler();
if (h == null && handler instanceof TargetedChain) {
h = ((TargetedChain)handler).getRequestHandler();
}
return h;
}
public Handler getReceiveHandler() {
Handler h = super.getReceiveHandler();
if (h == null && handler instanceof TargetedChain) {
h = ((TargetedChain)handler).getResponseHandler();
}
return h;
}
public class Listener
implements MessageExchangeEventListener {
private Handler handler;
public Listener(Handler handler) {
this.handler = handler;
}
/**
* @see org.apache.axis.ime.MessageExchangeContextListener#onMessageExchangeContext(MessageExchangeContext)
*/
public void onEvent(
MessageExchangeEvent event) {
if (!(event instanceof MessageSendEvent))
return;
MessageSendEvent sendEvent = (MessageSendEvent)event;
MessageExchangeSendContext context = sendEvent.getMessageExchangeSendContext();
if (log.isDebugEnabled()) {
log.debug("Enter: HandlerMessageExchange.Listener::onSend");
}
MessageExchangeEventListener listener =
context.getMessageExchangeEventListener();
try {
MessageContext msgContext =
context.getMessageContext();
MessageExchangeCorrelator correlator =
context.getMessageExchangeCorrelator();
if (handler instanceof TargetedChain) {
((TargetedChain)handler).getPivotHandler().invoke(msgContext);
} else {
handler.invoke(msgContext);
}
RECEIVE.put(correlator, context);
} catch (Exception exception) {
if (listener != null) {
MessageFaultEvent faultEvent = new MessageFaultEvent(
context.getMessageExchangeCorrelator(),
exception);
listener.onEvent(faultEvent);
}
} finally {
if (log.isDebugEnabled()) {
log.debug("Exit: HandlerMessageExchange.Listener::onSend");
}
}
}
}
public void clearOptions() {
handler.setOptions(null);
}
public Hashtable getOptions() {
return handler.getOptions();
}
public Object getOption(String propertyId, Object defaultValue) {
Object value = getOption(propertyId);
return (value == null) ? defaultValue : value;
}
public Object getOption(String propertyId) {
return handler.getOption(propertyId);
}
public void setOptions(Hashtable properties) {
handler.setOptions(properties);
}
public void setOption(String propertyId, Object propertyValue) {
handler.setOption(propertyId, propertyValue);
}
}