| /******************************************************************************* |
| * Copyright (c) 2000, 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 |
| *******************************************************************************/ |
| package org.eclipse.update.internal.ui.servlets; |
| |
| import java.io.*; |
| import java.util.*; |
| |
| import javax.servlet.http.*; |
| |
| import org.eclipse.core.boot.*; |
| import org.eclipse.update.internal.ui.*; |
| |
| /** |
| */ |
| public class ServletsUtil { |
| |
| public static String getServerInfo(HttpServletRequest servletRequest) { |
| String host = servletRequest.getServerName(); |
| int port = servletRequest.getServerPort(); |
| String context = servletRequest.getContextPath(); |
| |
| Enumeration atts = servletRequest.getParameterNames(); |
| StringBuffer buff = new StringBuffer(); |
| for (; atts.hasMoreElements();) { |
| String attName = (String) atts.nextElement(); |
| Object attValue = servletRequest.getParameter(attName); |
| buff.append(attName + "=" + "\"" + attValue + "\"+"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ |
| } |
| return host + ":" + port + context + "?" + buff.toString(); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| |
| public static PrintWriter createResponsePrologue(HttpServletResponse response) |
| throws IOException { |
| response.setContentType("text/html"); //$NON-NLS-1$ |
| PrintWriter writer = response.getWriter(); |
| String title = UpdateUI.getString("ServletsUtil.responseTitle"); //$NON-NLS-1$ |
| writer.println( |
| "" //$NON-NLS-1$ |
| + "<!DOCTYPE HTML PUBLIC \" -//W3C//DTD HTML 4.0 Transitional//EN\">" //$NON-NLS-1$ |
| + "\n <HTML> \n <HEAD> \n" //$NON-NLS-1$ |
| + "<TITLE>"+title+"</TITLE>\n" //$NON-NLS-1$ //$NON-NLS-2$ |
| + "<META http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\n" //$NON-NLS-1$ |
| + "</HEAD>"); //$NON-NLS-1$ |
| writer.println(" <BODY topmargin=\"0\" leftmargin=\"0\">"); //$NON-NLS-1$ |
| return writer; |
| } |
| |
| public static void createError( |
| PrintWriter writer, |
| String problem, |
| String resolution) { |
| createHeading(writer, UpdateUI.getString("ServletsUtil.updateFailed")); //$NON-NLS-1$ |
| startTextArea(writer); |
| createParagraph(writer, UpdateUI.getString("ServletsUtil.problem"), problem); //$NON-NLS-1$ |
| if (resolution != null) { |
| writer.println("<p>"); //$NON-NLS-1$ |
| createParagraph(writer, UpdateUI.getString("ServletsUtil.whatToDo"), resolution); //$NON-NLS-1$ |
| } |
| endTextArea(writer); |
| } |
| |
| public static void createParagraph( |
| PrintWriter writer, |
| String heading, |
| String text) { |
| writer.print("<b><font color=\"#5B78AC\">"); //$NON-NLS-1$ |
| writer.print(heading); |
| writer.println("</b></font><br>"); //$NON-NLS-1$ |
| writer.println(text); |
| } |
| |
| public static void createInfo(PrintWriter writer) { |
| createHeading(writer, UpdateUI.getString("ServletsUtil.updateInProgress")); //$NON-NLS-1$ |
| startTextArea(writer); |
| writer.println( |
| UpdateUI.getString("ServletsUtil.updateInitiated")); //$NON-NLS-1$ |
| endTextArea(writer); |
| } |
| |
| private static boolean isWin32() { |
| return BootLoader.getWS().equals("win32"); //$NON-NLS-1$ |
| } |
| |
| private static void startTextArea(PrintWriter writer) { |
| writer.println( |
| "<table border=\"0\" width=\"100%\" cellspacing=\"5\" cellpadding=\"5\">"); //$NON-NLS-1$ |
| writer.println("<tr>"); //$NON-NLS-1$ |
| writer.print("<td width=\"100%\">"); //$NON-NLS-1$ |
| if (isWin32()) |
| writer.println("<font face=\"MS Sans Serif\" size=\"1\">"); //$NON-NLS-1$ |
| else |
| writer.println(""); //$NON-NLS-1$ |
| } |
| private static void endTextArea(PrintWriter writer) { |
| if (isWin32()) |
| writer.println("</font>"); //$NON-NLS-1$ |
| writer.println("</td>"); //$NON-NLS-1$ |
| writer.println("</tr>"); //$NON-NLS-1$ |
| writer.println("</table>"); //$NON-NLS-1$ |
| } |
| |
| public static void createHeading(PrintWriter writer, String title) { |
| writer.println( |
| "<table cols=1 width=\"588\" cellspacing=\"0\" cellpadding=\"0\">"); //$NON-NLS-1$ |
| writer.println("<tr>"); //$NON-NLS-1$ |
| writer.println( |
| "<td background=\"images/form_banner.jpg\" width=\"580\" height=\"30\">"); //$NON-NLS-1$ |
| writer.print("<p><b><font size=\"3\" face=\"Tahoma\"> "); //$NON-NLS-1$ |
| writer.print(title); |
| writer.println("</font></b></p>"); //$NON-NLS-1$ |
| writer.println("</td>"); //$NON-NLS-1$ |
| writer.println("</tr>"); //$NON-NLS-1$ |
| |
| writer.println("<tr>"); //$NON-NLS-1$ |
| writer.println( |
| "<td width=\"580\"><img border=\"0\" src=\"images/form_underline.jpg\" width=\"600\" height=\"15\"></td>"); //$NON-NLS-1$ |
| writer.println("</td>"); //$NON-NLS-1$ |
| writer.println("</tr>"); //$NON-NLS-1$ |
| writer.println("</table>"); //$NON-NLS-1$ |
| } |
| |
| public static void createResponseEpilogue( |
| HttpServletRequest request, |
| HttpServletResponse response, |
| PrintWriter writer) { |
| |
| String backURL = getOriginatingURL(request); |
| if (backURL != null) { |
| startTextArea(writer); |
| String backText = UpdateUI.getString("ServletsUtil.back"); //$NON-NLS-1$ |
| writer.print("<img border=\"0\" src=\"images/backward_nav.gif\"/><a href=\""); //$NON-NLS-1$ |
| writer.print(getOriginatingURL(request)); |
| writer.print("\">"+backText+"</a>"); //$NON-NLS-1$ //$NON-NLS-2$ |
| endTextArea(writer); |
| } |
| writer.println(" </BODY> "); //$NON-NLS-1$ |
| writer.println("</HTML>"); //$NON-NLS-1$ |
| writer.close(); |
| } |
| private static String getOriginatingURL(HttpServletRequest request) { |
| return request.getParameter("backURL"); //$NON-NLS-1$ |
| } |
| } |
