| /******************************************************************************* |
| * Copyright (c) 2007 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.wst.server.preview.internal; |
| |
| import java.io.IOException; |
| import java.io.Writer; |
| import java.net.URLDecoder; |
| |
| import org.mortbay.http.HttpException; |
| import org.mortbay.http.HttpFields; |
| import org.mortbay.http.HttpRequest; |
| import org.mortbay.http.HttpResponse; |
| import org.mortbay.http.handler.AbstractHttpHandler; |
| import org.mortbay.util.ByteArrayISO8859Writer; |
| import org.mortbay.util.StringUtil; |
| |
| public class WTPErrorPageHandler extends AbstractHttpHandler { |
| private static final long serialVersionUID = 1L; |
| |
| public void handle(String pathInContext, String pathParams, HttpRequest request, |
| HttpResponse response) throws HttpException, IOException { |
| response.setContentType(HttpFields.__TextHtml); |
| ByteArrayISO8859Writer writer = new ByteArrayISO8859Writer(2048); |
| writeErrorPage(request, writer, response.getStatus(), response.getReason()); |
| |
| // workaround for IE, which overrides 404 errors to present its own page |
| if (response.getStatus() == 404) |
| response.setStatus(200, "OK"); |
| |
| writer.flush(); |
| response.setContentLength(writer.size()); |
| writer.writeTo(response.getOutputStream()); |
| writer.destroy(); |
| } |
| |
| protected void writeErrorPage(HttpRequest request, Writer writer, int code, |
| String message) throws IOException { |
| if (message != null) { |
| message = URLDecoder.decode(message, "UTF-8"); |
| message = StringUtil.replace(message, "<", "<"); |
| message = StringUtil.replace(message, ">", ">"); |
| } |
| String uri = request.getPath(); |
| uri = StringUtil.replace(uri, "<", "<"); |
| uri = StringUtil.replace(uri, ">", ">"); |
| writer.write("<html>\n<head>\n<title>Error "); |
| writer.write(Integer.toString(code)); |
| writer.write(' '); |
| writer.write(message); |
| writer.write("</title>\n</head>\n<body>\n<h2>HTTP ERROR: "); |
| writer.write(Integer.toString(code)); |
| writer.write("</h2><pre>"); |
| writer.write(message); |
| writer.write("</pre>\n"); |
| writer.write("<p>RequestURI="); |
| writer.write(uri); |
| writer.write("</p>"); |
| writer.write("\n</body>\n</html>\n"); |
| } |
| } |
