/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.ws.core.jaxrpc.handler;
// $Id: HandlerDelegateJAXRPC.java 9592 2009-03-12 14:32:42Z darran.lofthouse@jboss.com $
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Observable;
import java.util.Set;
import javax.xml.namespace.QName;
import javax.xml.rpc.handler.HandlerChain;
import javax.xml.rpc.handler.HandlerInfo;
import org.jboss.logging.Logger;
import org.jboss.ws.core.RoleSource;
import org.jboss.ws.core.server.ServerHandlerDelegate;
import org.jboss.ws.core.soap.MessageContextAssociation;
import org.jboss.ws.extensions.xop.XOPContext;
import org.jboss.ws.metadata.umdm.HandlerMetaData;
import org.jboss.ws.metadata.umdm.HandlerMetaDataJAXRPC;
import org.jboss.ws.metadata.umdm.ServerEndpointMetaData;
import org.jboss.wsf.spi.metadata.j2ee.serviceref.UnifiedInitParamMetaData;
import org.jboss.wsf.spi.metadata.j2ee.serviceref.UnifiedHandlerMetaData.HandlerType;
/** Delegates to JAXRPC handlers
*
* @author Thomas.Diesler@jboss.org
* @since 19-Jan-2005
*/
public class HandlerDelegateJAXRPC extends ServerHandlerDelegate implements RoleSource
{
// provide logging
private static Logger log = Logger.getLogger(HandlerDelegateJAXRPC.class);
// This endpoints handler chain
private ServerHandlerChain preHandlerChain;
// This endpoints handler chain
private ServerHandlerChain jaxrpcHandlerChain;
// This endpoints handler chain
private ServerHandlerChain postHandlerChain;
// Set of understood headers
Set<QName> headers = new HashSet<QName>();
// Set of roles
Set<String> roles = new HashSet<String>();
public HandlerDelegateJAXRPC(ServerEndpointMetaData sepMetaData)
{
super(sepMetaData);
sepMetaData.registerConfigObserver(this);
}
/**
* For JAXRPC PRE/POST are defined in the context of message origin.
*/
public HandlerType[] getHandlerTypeOrder()
{
return new HandlerType[] { HandlerType.PRE, HandlerType.ENDPOINT, HandlerType.POST };
}
public boolean callRequestHandlerChain(ServerEndpointMetaData sepMetaData, HandlerType type)
{
SOAPMessageContextJAXRPC msgContext = (SOAPMessageContextJAXRPC)MessageContextAssociation.peekMessageContext();
// Initialize the handler chain
if (isInitialized() == false)
{
synchronized (sepMetaData)
{
if (isInitialized() == false)
{
initHandlerChain(sepMetaData, HandlerType.PRE);
initHandlerChain(sepMetaData, HandlerType.ENDPOINT);
initHandlerChain(sepMetaData, HandlerType.POST);
setInitialized(true);
}
}
}
boolean status = true;
HandlerChain handlerChain = null;
if (type == HandlerType.PRE)
handlerChain = preHandlerChain;
else if (type == HandlerType.ENDPOINT)
handlerChain = jaxrpcHandlerChain;
else if (type == HandlerType.POST)
handlerChain = postHandlerChain;
if (handlerChain != null)
status = handlerChain.handleRequest(msgContext);
return status;
}
public boolean callResponseHandlerChain(ServerEndpointMetaData sepMetaData, HandlerType type)
{
SOAPMessageContextJAXRPC msgContext = (SOAPMessageContextJAXRPC)MessageContextAssociation.peekMessageContext();
HandlerChain handlerChain = null;
if (type == HandlerType.PRE)
handlerChain = preHandlerChain;
else if (type == HandlerType.ENDPOINT)
handlerChain = jaxrpcHandlerChain;
else if (type == HandlerType.POST)
handlerChain = postHandlerChain;
boolean status = (handlerChain != null ? handlerChain.handleResponse(msgContext) : true);
if (type == HandlerType.ENDPOINT)
XOPContext.visitAndRestoreXOPData();
return status;
}
public boolean callFaultHandlerChain(ServerEndpointMetaData sepMetaData, HandlerType type, Exception ex)
{
SOAPMessageContextJAXRPC msgContext = (SOAPMessageContextJAXRPC)MessageContextAssociation.peekMessageContext();
HandlerChain handlerChain = null;
if (type == HandlerType.PRE)
handlerChain = preHandlerChain;
else if (type == HandlerType.ENDPOINT)
handlerChain = jaxrpcHandlerChain;
else if (type == HandlerType.POST)
handlerChain = postHandlerChain;
boolean status = (handlerChain != null ? handlerChain.handleFault(msgContext) : true);
if (type == HandlerType.ENDPOINT)
XOPContext.visitAndRestoreXOPData();
return status;
}
public void closeHandlerChain(ServerEndpointMetaData sepMetaData, HandlerType type)
{
// nothing to do for JAXRPC
}
/**
* Init the handler chain
*/
private void initHandlerChain(ServerEndpointMetaData sepMetaData, HandlerType type)
{
Set<String> handlerRoles = new HashSet<String>();
List<HandlerInfo> hInfos = new ArrayList<HandlerInfo>();
for (HandlerMetaData handlerMetaData : sepMetaData.getHandlerMetaData(type))
{
HandlerMetaDataJAXRPC jaxrpcMetaData = (HandlerMetaDataJAXRPC)handlerMetaData;
handlerRoles.addAll(jaxrpcMetaData.getSoapRoles());
HashMap<String, Object> hConfig = new HashMap<String, Object>();
for (UnifiedInitParamMetaData param : jaxrpcMetaData.getInitParams())
{
hConfig.put(param.getParamName(), param.getParamValue());
}
Set<QName> headers = jaxrpcMetaData.getSoapHeaders();
QName[] headerArr = new QName[headers.size()];
headers.toArray(headerArr);
Class hClass = jaxrpcMetaData.getHandlerClass();
hConfig.put(HandlerType.class.getName(), jaxrpcMetaData.getHandlerType());
HandlerInfo info = new HandlerInfo(hClass, hConfig, headerArr);
if (log.isDebugEnabled())
log.debug("Adding server side handler to service '" + sepMetaData.getPortName() + "': " + info);
hInfos.add(info);
}
initHandlerChain(sepMetaData, hInfos, handlerRoles, type);
}
private void initHandlerChain(ServerEndpointMetaData sepMetaData, List<HandlerInfo> hInfos, Set<String> handlerRoles, HandlerType type)
{
if (log.isDebugEnabled())
log.debug("Init handler chain with [" + hInfos.size() + "] handlers");
ServerHandlerChain handlerChain = new ServerHandlerChain(hInfos, handlerRoles, type);
if (type == HandlerType.PRE)
preHandlerChain = handlerChain;
else if (type == HandlerType.ENDPOINT)
jaxrpcHandlerChain = handlerChain;
else if (type == HandlerType.POST)
postHandlerChain = handlerChain;
if (handlerChain.getState() == ServerHandlerChain.STATE_CREATED)
{
// what is the config for a handler chain?
handlerChain.init(null);
}
handlerChain.pullHeaders(headers);
Collections.addAll(roles, handlerChain.getRoles());
}
public Set<String> getRoles()
{
return roles;
}
public Set<QName> getHeaders()
{
return headers;
}
public void update(Observable observable, Object object)
{
}
}