Package org.apache.lucene.gdata.hivemind.servlet

Source Code of org.apache.lucene.gdata.hivemind.servlet.HessianServiceServlet

/**
* 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.lucene.gdata.hivemind.servlet;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.hivemind.Registry;
import org.apache.hivemind.servlet.HiveMindFilter;
import org.apache.lucene.gdata.hivemind.webservice.HessianServiceSkeletonInvoker;
import org.apache.lucene.gdata.hivemind.webservice.HessianSkeletonProvider;

/**
* Central Hessian servlet which provides access to all hessian exposed services
* via a single servlet.
*
* @author Simon Willnauer
*
*/
public class HessianServiceServlet extends HttpServlet {

    /**
     *
     */
    private static final long serialVersionUID = 5519783120466089391L;

    /**
     * @see javax.servlet.http.HttpServlet#doPost(javax.servlet.http.HttpServletRequest,
     *      javax.servlet.http.HttpServletResponse)
     */
    @Override
    protected void doPost(HttpServletRequest arg0, HttpServletResponse arg1)
            throws ServletException, IOException {
        try {
            HessianSkeletonProvider provider = getSkeletonProvider(arg0);
            HessianServiceSkeletonInvoker invoker = provider
                    .getServiceSkeletonInvoker(arg0);
            invoker.invoke(arg0, arg1);
        } catch (Throwable e) {
            throw new ServletException("Nested Exception occured -- Message: "
                    + e.getMessage(), e);
        }

    }

    private HessianSkeletonProvider getSkeletonProvider(
            HttpServletRequest request) {
        Registry reg = HiveMindFilter.getRegistry(request);
        return (HessianSkeletonProvider) reg
                .getService(HessianSkeletonProvider.class);
    }

}
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