/**
* 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.geronimo.jetty6.cluster.wadi;
import java.io.IOException;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.geronimo.clustering.ClusteredInvocation;
import org.apache.geronimo.clustering.ClusteredInvocationException;
import org.apache.geronimo.jetty6.cluster.AbstractClusteredPreHandler;
import org.codehaus.wadi.InvocationException;
import org.codehaus.wadi.InvocationProxy;
import org.codehaus.wadi.impl.ClusteredManager;
import org.codehaus.wadi.web.impl.WebInvocation;
/**
*
* @version $Rev$ $Date$
*/
public class WADIClusteredPreHandler extends AbstractClusteredPreHandler {
private final ClusteredManager wadiManager;
public WADIClusteredPreHandler(ClusteredManager wadiManager) {
this.wadiManager = wadiManager;
}
protected ClusteredInvocation newClusteredInvocation(String target, HttpServletRequest request,
HttpServletResponse response, int dispatch) {
return new WADIWebClusteredInvocation(target, request, response, dispatch);
}
protected class WADIWebClusteredInvocation extends WebClusteredInvocation {
public WADIWebClusteredInvocation(String target, HttpServletRequest request,
HttpServletResponse response, int dispatch) {
super(target, request, response, dispatch);
}
public void invoke() throws ClusteredInvocationException {
WebInvocation invocation = new WebInvocation();
FilterChain chainAdapter = new FilterChain() {
public void doFilter(ServletRequest request, ServletResponse response) throws IOException, ServletException {
try {
invokeLocally();
} catch (ClusteredInvocationException e) {
throw (IOException) new IOException().initCause(e);
}
}
};
InvocationProxy invocationProxy = wadiManager.getInvocationProxy();
invocation.init(request, response, chainAdapter, invocationProxy);
try {
wadiManager.contextualise(invocation);
} catch (InvocationException e) {
Throwable throwable = e.getCause();
if (throwable instanceof IOException) {
throw new ClusteredInvocationException(throwable);
} else if (throwable instanceof ServletException) {
throw new ClusteredInvocationException(throwable);
} else {
throw new ClusteredInvocationException(e);
}
}
}
}
}