/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2012 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package org.glassfish.tests.paas.externaldbservicetest;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.sql.DataSource;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.sql.DatabaseMetaData;
import java.util.Enumeration;
import javax.annotation.Resource;
public final class CoffeeServlet extends HttpServlet {
@Resource(mappedName = "java:app/jdbc/CoffeeRes")
private DataSource ds = null;
/**
* Respond to a GET request for the content produced by
* this servlet.
*
* @param request The servlet request we are processing
* @param response The servlet response we are producing
* @throws IOException if an input/output error occurs
* @throws ServletException if a servlet error occurs
*/
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws IOException, ServletException {
System.out.println("Servlet processing do get..");
response.setContentType("text/html");
PrintWriter writer = response.getWriter();
writer.println("<html>");
writer.println("<head>");
writer.println("<title>External DB Service PaaS Application</title>");
writer.println("</head>");
writer.println("<body bgcolor=white>");
writer.println("<table border=\"0\">");
writer.println("<tr>");
writer.println("<td>");
writer.println("<img height=\"200\" width=\"200\" src=\"images/Coffee.jpg\">");
writer.println("</td>");
writer.println("<td>");
writer.println("<h1>External Db Service PaaS Application</h1>");
writer.println("</td>");
writer.println("</tr>");
writer.println("</table>");
writer.println("<table border=\"0\" width=\"100%\">");
Enumeration names = request.getHeaderNames();
while (names.hasMoreElements()) {
String name = (String) names.nextElement();
writer.println("<tr>");
writer.println(" <th align=\"right\">" + name + ":</th>");
writer.println(" <td>" + request.getHeader(name) + "</td>");
writer.println("</tr>");
}
writer.println("</table>");
if (ds != null) {
Statement stmt = null;
try {
stmt = ds.getConnection().createStatement();
DatabaseMetaData dbMetadata = stmt.getConnection().getMetaData();
String dbUrl = dbMetadata.getURL();
writer.println("DB URL : " + dbUrl + "\n");
if (dbUrl.indexOf("foo") == -1) {
throw new Exception("Custom Database [foo] is not created while provisioning.");
}
ResultSet rs = stmt.executeQuery("SELECT c_id, c_name from coffee");
writer.println("<table border=\"1\" width=\"100%\">");
writer.println("<tr>");
writer.println(" <th align=\"left\" colspan=\"2\">" + "Data retrieved from table \"coffee\"" + "</th>");
writer.println("</tr>");
writer.println("<tr>");
writer.println("<td>" + "Coffee ID" + "</td>");
writer.println("<td>" + "Coffee Name" + "</td>");
writer.println("</tr>");
while (rs.next()) {
writer.println("<tr>");
writer.println(" <td>" + rs.getObject(1) + "</td>");
writer.println(" <td>" + rs.getObject(2) + "</td>");
writer.println("</tr>");
}
writer.println("</table>");
} catch (Exception ex) {
ex.printStackTrace(writer);
} finally {
if (stmt != null) {
try {
stmt.getConnection().close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
} else {
}
writer.println("</body>");
writer.println("</html>");
}
}