/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Emil Ong
*/
package com.caucho.soa.encoding;
import com.caucho.config.ConfigurationException;
import com.caucho.soap.jaxws.HandlerChainInvoker;
import com.caucho.soap.jaxws.JAXWSUtil;
import com.caucho.soap.jaxws.PortInfoImpl;
import com.caucho.util.L10N;
import javax.annotation.PostConstruct;
import javax.jws.HandlerChain;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.xml.namespace.QName;
import javax.xml.soap.SOAPMessage;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMResult;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamSource;
import javax.xml.ws.BindingType;
import javax.xml.ws.Provider;
import javax.xml.ws.Service;
import javax.xml.ws.ServiceMode;
import javax.xml.ws.WebServiceProvider;
import javax.xml.ws.handler.Handler;
import javax.xml.ws.handler.HandlerResolver;
import javax.xml.ws.handler.PortInfo;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.List;
import java.util.logging.Logger;
/**
* Invokes a service Provider.
*/
public abstract class ProviderEncoding implements ServiceEncoding {
private static final L10N L = new L10N(ProviderEncoding.class);
private static final Logger log =
Logger.getLogger(ProviderEncoding.class.getName());
private static final TransformerFactory factory
= TransformerFactory.newInstance();
protected final Class _class;
protected final Provider _provider;
protected final Transformer _transformer;
protected final Service.Mode _mode;
protected HandlerChainInvoker _handlerChain;
protected ProviderEncoding(Object service)
throws ConfigurationException
{
_provider = (Provider) service;
_class = service.getClass();
ServiceMode serviceMode =
(ServiceMode) _class.getAnnotation(ServiceMode.class);
if (serviceMode != null)
_mode = serviceMode.value();
else
_mode = Service.Mode.PAYLOAD;
try {
_transformer = factory.newTransformer();
if (_mode == Service.Mode.PAYLOAD) {
_transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
_transformer.setOutputProperty(OutputKeys.INDENT, "no");
}
}
catch (TransformerConfigurationException e) {
throw new ConfigurationException(e);
}
PortInfo portInfo = null;
BindingType bindingType
= (BindingType) _class.getAnnotation(BindingType.class);
WebServiceProvider provider =
(WebServiceProvider) _class.getAnnotation(WebServiceProvider.class);
if (provider != null && bindingType != null) {
QName portName = new QName(provider.targetNamespace(),
provider.portName());
QName serviceName = new QName(provider.targetNamespace(),
provider.serviceName());
portInfo = new PortInfoImpl(bindingType.value(), portName, serviceName);
}
HandlerChain handlerChain =
(HandlerChain) _class.getAnnotation(HandlerChain.class);
if (handlerChain != null) {
if (portInfo != null) {
HandlerResolver handlerResolver =
JAXWSUtil.createHandlerResolver(_class, handlerChain);
List<Handler> chain = handlerResolver.getHandlerChain(portInfo);
if (chain != null)
_handlerChain = new HandlerChainInvoker(chain);
}
else {
log.fine(L.l("@HandlerChain given on Provider {0}, but @WebServiceProvider and/or @BindingType were not fully specified", _class.getName()));
}
}
}
public static ProviderEncoding createProviderEncoding(Object service)
throws ConfigurationException
{
Class cl = service.getClass();
Type[] interfaces = cl.getGenericInterfaces();
for (int i = 0; i < interfaces.length; i++) {
if (interfaces[i] instanceof ParameterizedType) {
ParameterizedType pType = (ParameterizedType) interfaces[i];
if (Provider.class.equals(pType.getRawType())) {
Type[] args = pType.getActualTypeArguments();
if (args.length == 1) {
if (Source.class.equals(args[0]))
return new SourceProviderEncoding(service);
else if (SOAPMessage.class.equals(args[0]))
return new SOAPMessageProviderEncoding(service);
}
}
}
}
throw new ConfigurationException(L.l("Class {0} does not implement valid Provider", cl.getName()));
}
public void setService(Object service)
{
}
@PostConstruct
public void init()
{
}
public void invoke(HttpServletRequest request, HttpServletResponse response)
throws Throwable
{
InputStream in = request.getInputStream();
OutputStream out = response.getOutputStream();
if (_handlerChain != null) {
in = _handlerChain.invokeServerInbound(request, out);
out = new ByteArrayOutputStream();
if (in == null)
return;
}
invoke(in, out);
if (_handlerChain != null) {
byte[] output = ((ByteArrayOutputStream) out).toByteArray();
Source source = new StreamSource(new ByteArrayInputStream(output));
DOMResult result = new DOMResult();
_transformer.transform(source, result);
out = response.getOutputStream();
_handlerChain.invokeServerOutbound(new DOMSource(result.getNode()), out);
out.flush();
}
}
}