/**
* 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;
import java.io.IOException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.ServletException;
import org.apache.geronimo.clustering.ClusteredInvocation;
import org.apache.geronimo.clustering.ClusteredInvocationException;
import org.apache.geronimo.jetty6.AbstractPreHandler;
import org.mortbay.jetty.Handler;
import org.mortbay.jetty.HttpException;
/**
* @version $Rev$ $Date$
*/
public abstract class AbstractClusteredPreHandler extends AbstractPreHandler {
public void handle(String target, HttpServletRequest request, HttpServletResponse response, int dispatch)
throws IOException, ServletException {
// if (dispatch != Handler.REQUEST) {
// next.handle(target, request, response, dispatch);
// return;
// }
//
ClusteredInvocation invocation = newClusteredInvocation(target, request, response, dispatch);
try {
invocation.invoke();
} catch (ClusteredInvocationException e) {
Throwable cause = e.getCause();
if (cause instanceof HttpException) {
throw (HttpException) cause;
} else if (cause instanceof IOException) {
throw (IOException) cause;
} else {
throw (IOException) new IOException().initCause(cause);
}
}
}
protected abstract ClusteredInvocation newClusteredInvocation(String target,
HttpServletRequest request, HttpServletResponse response, int dispatch);
protected abstract class WebClusteredInvocation implements ClusteredInvocation {
protected final String target;
protected final HttpServletRequest request;
protected final HttpServletResponse response;
protected final int dispatch;
protected WebClusteredInvocation(String target, HttpServletRequest request, HttpServletResponse response, int dispatch) {
this.target = target;
this.request = request;
this.response = response;
this.dispatch = dispatch;
//TODO figure out if the normal SessionHandler will set the requestedSessionId correctly.
//My (djencks) guess is yes it will.
// GeronimoServletHttpRequest servletHttpRequest = (GeronimoServletHttpRequest) request.getWrapper();
// servletHttpRequest.setRequestedSessionId(pathParams);
}
protected void invokeLocally() throws ClusteredInvocationException {
try {
next.handle(target, request, response, dispatch);
} catch (IOException e) {
throw new ClusteredInvocationException(e);
} catch (ServletException e) {
//WHAT DO I DO HERE???
throw new ClusteredInvocationException(e);
}
}
public String getRequestedSessionId() {
return request.getRequestedSessionId();
}
}
}