/*
* JBoss, Home of Professional Open Source Copyright 2009, Red Hat Middleware
* LLC, and individual contributors 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.soa.esb.listeners.config;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import org.apache.log4j.Logger;
import org.jboss.deployment.DeploymentException;
import org.jboss.internal.soa.esb.listeners.war.Filter;
import org.jboss.internal.soa.esb.listeners.war.Servlet;
import org.jboss.internal.soa.esb.listeners.war.WebDeploymentArchive;
import org.jboss.internal.soa.esb.listeners.war.WebModel;
import org.jboss.internal.soa.esb.publish.ContractReferencePublisher;
import org.jboss.internal.soa.esb.util.JBossDeployerUtil;
import org.jboss.internal.soa.esb.webservice.ESBContractGenerator;
import org.jboss.internal.soa.esb.webservice.ESBResponseFilter;
import org.jboss.internal.soa.esb.webservice.ESBServiceContractReferencePublisher;
import org.jboss.internal.soa.esb.webservice.ESBServiceEndpointInfo;
import org.jboss.internal.soa.esb.webservice.JAXWSProviderClassGenerator;
import org.jboss.soa.esb.ConfigurationException;
import org.jboss.soa.esb.listeners.config.model.ModelAdapter;
import org.jboss.soa.esb.Service;
import org.jboss.soa.esb.util.DeploymentArchive;
/**
* A builder that builds EBWS/HTTP Gateway web archives
*
* @author <a href="mailto:mageshbk@jboss.com">Magesh Kumar B</a>
* @version $Revision: 1.0 $
*/
public class WebGatewayBuilder
{
private Logger log = Logger.getLogger(WebGatewayBuilder.class);
private String deploymentName;
private File esbWarFiles;
private File esbArchive;
private ClassLoader localCl;
private List<ContractReferencePublisher> publishers;
private List<Servlet> servlets;
private ModelAdapter model;
public WebGatewayBuilder(final File esbWarFiles, final File esbArchive, final String deploymentName, final ClassLoader localCl, final ModelAdapter model)
{
this.esbWarFiles = esbWarFiles;
this.esbArchive = esbArchive;
this.deploymentName = deploymentName;
this.localCl = localCl;
this.model = model;
}
public void setPublishers(final List<ContractReferencePublisher> publishers)
{
this.publishers = publishers;
}
public List<ContractReferencePublisher> getPublishers()
{
return publishers;
}
public void setServlets(final List<Servlet> servlets)
{
this.servlets = servlets;
}
public List<Servlet> getServlets()
{
return servlets;
}
public File build() throws ConfigurationException, DeploymentException
{
File war = null;
WebDeploymentArchive webDeployment = new WebDeploymentArchive(getESBWarFileName());
WebModel webModel = webDeployment.getWebModel();
// Set the global security domain and global security method.
// These setting are shared for all http-providers and EBWSs
// in a jboss-esb.xml file.
webModel.setAuthDomain(model.getAuthDomain());
webModel.setAuthMethod(model.getAuthMethod());
// Add the EBWS components...
createWebserviceWars(webDeployment);
// Add the web deployments info to the WebModel...
ModelUtil.updateWebModel(deploymentName, ModelUtil.getListenerGroups(model), webModel);
// Add a sub-deloyment for the web model...
this.servlets = webModel.getServlets();
if(!servlets.isEmpty()) {
// Finalize the webDeployment...
webDeployment.finalizeArchive();
// Now create the web deployment...
war = createGatewayTempDeployment(webDeployment);
}
return war;
}
private void createWebserviceWars(WebDeploymentArchive webDeployment) throws DeploymentException
{
this.publishers = new ArrayList<ContractReferencePublisher>();
final List<WebserviceInfo> endpointServices = model.getWebserviceServices();
if (endpointServices != null)
{
if (endpointServices.size() > 0)
{
try
{
final JAXWSProviderClassGenerator generator = new JAXWSProviderClassGenerator();
for(WebserviceInfo webserviceInfo: endpointServices)
{
final Service service = webserviceInfo.getService();
// Copy all schemas to the wsdl directory to support imports.
final Map<String, String> schemasMap = JBossDeployerUtil.getSchemas(esbArchive);
final String wsdlDir = "WEB-INF/wsdl/" + service.getCategory().replace('/', '_') + "/";
for (Entry<String, String> schemaEntry : schemasMap.entrySet())
{
webDeployment.addEntry(wsdlDir + schemaEntry.getKey(), schemaEntry.getValue().getBytes());
log.debug("Added schema " + wsdlDir + schemaEntry.getKey());
}
final ESBServiceEndpointInfo serviceInfo = new ESBServiceEndpointInfo(webserviceInfo);
final String wsdl = ESBContractGenerator.generateWSDL(webserviceInfo, serviceInfo, new WebDeploymentClassLoader(localCl, schemasMap));
webDeployment.addEntry(serviceInfo.getWSDLFileName(), wsdl.getBytes("UTF-8"));
final String handlers = JBossDeployerUtil.getHandlers(serviceInfo);
final boolean includeHandlers = (handlers != null);
if (includeHandlers)
{
final String wsHandlerName = "WEB-INF/classes/" + serviceInfo.getPackageName().replace('.', '/') + "/esb-jaxws-handlers.xml";
webDeployment.addEntry(wsHandlerName, handlers.getBytes("UTF-8"));
}
final byte[] wsClass = generator.generate(deploymentName, service.getCategory(),
service.getName(), serviceInfo, includeHandlers);
final String wsClassName = serviceInfo.getClassName().replace('.', '/') + ".class";
webDeployment.addEntry("WEB-INF/classes/" + wsClassName, wsClass);
// Servlet....
final Servlet servlet = new Servlet(serviceInfo.getServletName(), serviceInfo.getClassName(), webDeployment.getWebModel());
servlet.getUrlMappings().add("/ebws" + serviceInfo.getServletPath());
// Filter...
// At the moment we only need the filter to overcome a bug in JBossWS re In-Only endpoints, so
// we only include for one way services...
if(serviceInfo.isOneWay()) {
new Filter(serviceInfo.getServletName() + "_Filter", ESBResponseFilter.class.getName(), servlet);
}
final ContractReferencePublisher publisher = new ESBServiceContractReferencePublisher(service, webserviceInfo.getDescription(), serviceInfo.getServletName());
publishers.add(publisher);
}
}
catch (final Exception ex)
{
throw new DeploymentException("Failed to create webservice artifact", ex);
}
}
}
}
private File createGatewayTempDeployment(DeploymentArchive deploymentArchive) throws ConfigurationException
{
File gatewayDeployFile = createTempDeploymentFile(esbWarFiles, deploymentArchive.getArchiveName(), true);
FileOutputStream fileOutStream;
try {
fileOutStream = new FileOutputStream(gatewayDeployFile);
} catch (FileNotFoundException e) {
throw new ConfigurationException("Unexpected exception.", e);
}
try {
deploymentArchive.toOutputStream(fileOutStream);
} catch (IOException e) {
throw new ConfigurationException("Error writing deployment archive '" + gatewayDeployFile.getAbsolutePath() + "'.", e);
} finally {
try {
fileOutStream.close();
} catch (IOException e) {
log.warn("Error closing deployment archive stream '" + gatewayDeployFile.getAbsolutePath() + "'", e);
}
}
return gatewayDeployFile;
}
private File createTempDeploymentFile(final File tempDir, final String archiveName, final boolean createDir) throws ConfigurationException
{
if (!tempDir.exists())
{
if (!createDir)
{
return null;
}
tempDir.mkdir();
}
File file = new File(tempDir, archiveName);
if(file.exists()) {
log.debug("Deployment archive '" + archiveName + "' already exists. Overwriting!!");
}
return file;
}
private String getESBWarFileName()
{
final String esbName = deploymentName;
final int lastSeparator = esbName.lastIndexOf('.');
return ((lastSeparator >= 0) ? esbName.substring(0, lastSeparator) : esbName) + ".war";
}
private class WebDeploymentClassLoader extends ClassLoader
{
private Map<String, String> schemas;
WebDeploymentClassLoader(final ClassLoader parent, final Map<String, String> schemas)
{
super(parent);
this.schemas = schemas;
}
@Override
public InputStream getResourceAsStream (final String name)
{
if (schemas != null)
{
String schema = schemas.get(name);
if (schema != null)
return new ByteArrayInputStream(schema.getBytes());
}
return super.getResourceAsStream(name);
}
}
}