| package org.eclipse.stem.ui.ge.servlet; |
| /******************************************************************************* |
| * Copyright (c) 2006 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| import java.io.ByteArrayOutputStream; |
| import java.io.DataInputStream; |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| |
| import javax.servlet.ServletException; |
| import javax.servlet.ServletOutputStream; |
| import javax.servlet.http.HttpServlet; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| |
| /** |
| * Servlet that provides a service interface allows the client to |
| * get the BBox info that was sent to SlideShowServlet by GoogleEarth. |
| * |
| * |
| * |
| * |
| * |
| */ |
| public class BBoxServlet extends HttpServlet { |
| |
| private static final long serialVersionUID = 1L; |
| |
| private final String DEFAULT_BBOX = |
| "-75.20637865775808,40.19453859682661," + |
| "-68.769920795513,43.94930914694464"; |
| /** |
| * Service interface. |
| * - BBox - Send back the GE BBox info |
| * |
| * |
| * @see javax.servlet.http.HttpServlet#service(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse) |
| */ |
| protected void service(HttpServletRequest request,HttpServletResponse response) |
| throws ServletException, IOException { |
| |
| DataInputStream in = |
| new DataInputStream(request.getInputStream()); |
| response.setContentType("application/octer-stream"); |
| // use ByteArray output |
| ByteArrayOutputStream byteOutput = new ByteArrayOutputStream(); |
| |
| DataOutputStream output = |
| new DataOutputStream(byteOutput); |
| // |
| // read the input from the client |
| // |
| String command = in.readUTF(); |
| // BBOX servletID |
| |
| if (command.startsWith("BBOX ")) { |
| String id = command.substring(5).trim(); |
| SlideShowInfo info = SlideShowServlet.getInfo(id); |
| //SlideShowServlet.debug("id: "+id+" info: "+info); |
| |
| if (info != null) |
| output.writeUTF("BBOX: "+info.getBBOX()); |
| else |
| output.writeUTF("BBOX: "+DEFAULT_BBOX); |
| |
| } else { |
| String errmsg = "Error: Received: "+command; |
| //SlideShowServlet.debug(errmsg); |
| output.writeUTF(errmsg); |
| } |
| output.flush(); |
| byte[] buf = byteOutput.toByteArray(); |
| response.setContentLength(buf.length); |
| ServletOutputStream servletOutput = response.getOutputStream(); |
| servletOutput.write(buf); |
| servletOutput.close(); |
| |
| } |
| |
| |
| |
| @SuppressWarnings("unused") |
| private void errHtml(HttpServletResponse response, String msg) |
| throws IOException { |
| response.setContentType("text/html"); |
| PrintWriter out = new PrintWriter(response.getOutputStream()); |
| out.println("<html>"); |
| out.println("<head><title>BBoxServlet Error</title></head>"); |
| out.println("<body>"); |
| out.println("<p>" + msg + "</p>"); |
| out.println("</body></html>"); |
| out.flush(); |
| } |
| |
| |
| |
| } |
| |
| |
