/*
* 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 demo;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Random;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* A very simple servlet that is initialized with some example Actor-Movie records.
*
* @author Pinaki Poddar
*
*/
@SuppressWarnings("serial")
public class SimpleApp extends HttpServlet {
EntityManagerFactory _emf;
private static String UNIT_NAME = "jestdemo";
@Override
public void init(ServletConfig config) throws ServletException {
super.init(config);
config.getServletContext().log("Initializing persistence unit [" + UNIT_NAME + "]");
try {
Map<String,Object> props = new HashMap<String, Object>();
props.put("openjpa.EntityManagerFactoryPool", "true");
_emf = Persistence.createEntityManagerFactory(UNIT_NAME, props);
new DataLoader().populate(_emf.createEntityManager());
} catch (Exception e) {
throw new ServletException(e);
}
config.getServletContext().log("Initialized with persistence unit [" + UNIT_NAME + "]");
}
/**
* The only response by this application is an <code>index.html</code> file.
*/
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
resp.setContentType("text/html");
OutputStream out = resp.getOutputStream();
InputStream in = getClass().getResourceAsStream("index.html");
for (int c = 0; (c = in.read()) != -1;) {
out.write((char)c);
}
}
@Override
public void destroy() {
if (_emf != null) {
_emf.close();
}
}
}