VersionInfoServlet.java

/*******************************************************************************
 *
 * Copyright 2011-2014 Spiffy UI Team   
 * 
 * Licensed 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.spiffyui.spsample.server;

import java.io.IOException;
import java.util.Locale;
import java.util.ResourceBundle;

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

/**
 * This servlet shows version information.
 */
public class VersionInfoServlet extends HttpServlet
{

    private static final long serialVersionUID = -1L;
    
    private static final ResourceBundle BUILD_BUNDLE = 
        ResourceBundle.getBundle("org/spiffyui/spsample/server/buildnum", Locale.getDefault());
    
    @Override
    public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException
    {
        
        response.setContentType("application/json");
        ServletOutputStream out = response.getOutputStream();
        

        StringBuffer buildinfo = new StringBuffer();
        
        buildinfo.append("{");

        /*
         These values are defined in the buildnum.properties file which is generated by the build
         */
        buildinfo.append("\"version\":\"" + BUILD_BUNDLE.getString("build.version") + "\",");
        buildinfo.append("\"user\":\"" + BUILD_BUNDLE.getString("build.user") + "\",");
        buildinfo.append("\"date\":\"" + BUILD_BUNDLE.getString("build.date") + "\",");
        buildinfo.append("\"rev\":\"" + BUILD_BUNDLE.getString("build.revision") + "\",");
        buildinfo.append("\"revdate\":\"" + BUILD_BUNDLE.getString("build.revision.date") + "\"");
        
        buildinfo.append("}");
        
        out.println(buildinfo.toString());
    }
}