/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.pluto.driver.services.container;
import java.io.IOException;
import java.io.Serializable;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.List;
import javax.portlet.Event;
import javax.portlet.PortletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBElement;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import javax.xml.namespace.QName;
import javax.xml.parsers.FactoryConfigurationError;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.pluto.container.PortletContainer;
import org.apache.pluto.container.PortletContainerException;
import org.apache.pluto.container.PortletWindow;
import org.apache.pluto.container.driver.PortletContextService;
import org.apache.pluto.container.om.portlet.EventDefinition;
import org.apache.pluto.container.om.portlet.PortletApplicationDefinition;
public class PortletWindowThread extends Thread {
/** Logger. */
private static final Logger LOG = LoggerFactory.getLogger(PortletWindowThread.class);
private PortletContainer container;
private PortletWindow portletWindow;
private HttpServletRequest request;
private HttpServletResponse response;
/** PortletRegistryService used to obtain PortletApplicationConfig objects */
private PortletContextService portletContextService;
private List<Event> events = new ArrayList<Event>();
public PortletWindowThread(ThreadGroup group, String name,
PortletContainer container, PortletWindow window,
HttpServletRequest request, HttpServletResponse response,
PortletContextService portletContextService)
{
super(group, name);
this.request = request;
this.response = response;
this.portletWindow = window;
this.container = container;
this.portletContextService = portletContextService;
}
/* (non-Javadoc)
* @see java.lang.Thread#run()
*/
@Override
public void run() {
super.run();
while (events.size() > 0) {
try {
// synchronized (this) {
Event event = events.remove(0);
Object value = event.getValue();
XMLStreamReader xml = null;
try {
if (value instanceof String) {
String in = (String) value;
xml = XMLInputFactory.newInstance().createXMLStreamReader(new StringReader(in));
}
}
catch (XMLStreamException e1) {
throw new IllegalStateException(e1);
} catch (FactoryConfigurationError e1) {
throw new IllegalStateException(e1);
}
if (xml != null) {
//XMLStreamReader xml = (XMLStreamReader) event.getValue();
//provider.getEventDefinition(event.getQName());
try {
// now test if object is jaxb
EventDefinition eventDefinitionDD = getEventDefintion(event.getQName());
ClassLoader loader = portletContextService.getClassLoader(portletWindow.getPortletDefinition().getApplication().getName());
Class<? extends Serializable> clazz = loader.loadClass(eventDefinitionDD.getValueType()).asSubclass(Serializable.class);
JAXBContext jc = JAXBContext.newInstance(clazz);
Unmarshaller unmarshaller = jc.createUnmarshaller();
// unmarshaller.setEventHandler(new javax.xml.bind.helpers.DefaultValidationEventHandler());
JAXBElement result = unmarshaller.unmarshal(xml,clazz);
event = new EventImpl(event.getQName(),(Serializable) result.getValue());
} catch (JAXBException e) {
throw new IllegalStateException(e);
} catch (ClassCastException e) {
throw new IllegalStateException(e);
} catch (ClassNotFoundException e) {
throw new IllegalStateException(e);
} catch (PortletContainerException e) {
throw new IllegalStateException(e);
}
}
container.doEvent(portletWindow, request, response, event);
// }
} catch (PortletException e) {
LOG.warn(e.getMessage(),e);
} catch (IOException e) {
LOG.warn(e.getMessage(),e);
} catch (PortletContainerException e) {
LOG.warn(e.getMessage(),e);
}
}
}
public void addEvent(Event event) {
this.events.add(event);
}
private EventDefinition getEventDefintion(QName name) {
PortletApplicationDefinition appDD = portletWindow.getPortletDefinition().getApplication();
for (EventDefinition def : appDD.getEventDefinitions()){
if (def.getQName() != null){
if (def.getQName().equals(name))
return def;
}
else{
QName tmp = new QName(appDD.getDefaultNamespace(),def.getName());
if (tmp.equals(name))
return def;
}
}
throw new IllegalStateException();
}
}