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SymmetricDS is an open source database synchronization solution. It is platform-independent, web-enabled, and database-agnostic. SymmetricDS was first built to replicate changes between 'retail store' databases and ad centralized 'corporate' database.

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/*
 * Licensed to JumpMind Inc under one or more contributor 
 * license agreements.  See the NOTICE file distributed
 * with this work for additional information regarding 
 * copyright ownership.  JumpMind Inc licenses this file
 * to you under the GNU Lesser General Public License (the
 * "License"); you may not use this file except in compliance
 * with the License. 
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, see           
 * .
 * 
 * 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.jumpmind.symmetric.web;

import java.io.IOException;

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

import org.apache.commons.lang.StringUtils;
import org.jumpmind.symmetric.ext.IBuiltInExtensionPoint;
import org.jumpmind.symmetric.transport.handler.BatchResourceHandler;

/**
 * Allows for the request of a batch by id.
 *
 * ,
 */
public class BatchServlet extends AbstractTransportResourceServlet 
  implements IBuiltInExtensionPoint {
        
    private static final long serialVersionUID = 1L;

    @Override
    public boolean isContainerCompatible() {
        return true;
    }

    @Override
    public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
        doPost(req, resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
        resp.setContentType("text/plain");
        String path = req.getPathInfo();
        if (!StringUtils.isBlank(path)) {
            int batchIdStartIndex = path.lastIndexOf("/")+1;
            String batchId = path.substring(batchIdStartIndex);
            if (!getTransportResourceHandler().write(batchId, resp.getOutputStream())) {
                resp.sendError(HttpServletResponse.SC_NOT_FOUND);
            } else {
                resp.flushBuffer();
            }
        } else {
            resp.sendError(HttpServletResponse.SC_NOT_FOUND);
        }
    }

}