// ========================================================================
// $Id: ErrorPageHandler.java,v 1.9 2005/03/15 10:03:44 gregwilkins Exp $
// Copyright 1999-2004 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// Licensed 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 org.browsermob.proxy.jetty.http.handler;
import org.browsermob.proxy.jetty.http.HttpException;
import org.browsermob.proxy.jetty.http.HttpFields;
import org.browsermob.proxy.jetty.http.HttpRequest;
import org.browsermob.proxy.jetty.http.HttpResponse;
import org.browsermob.proxy.jetty.util.ByteArrayISO8859Writer;
import org.browsermob.proxy.jetty.util.StringUtil;
import java.io.IOException;
import java.io.Writer;
import java.net.URLDecoder;
/* ------------------------------------------------------------ */
/** Handler for Error pages
* A handler that is registered at the org.mortbay.http.ErrorHandler
* context attributed and called by the HttpResponse.sendError method to write a
* error page.
*
* @version $Id: ErrorPageHandler.java,v 1.9 2005/03/15 10:03:44 gregwilkins Exp $
* @author Greg Wilkins (gregw)
*/
public class ErrorPageHandler extends AbstractHttpHandler
{
/* ------------------------------------------------------------ */
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());
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>\n<p><i><small><a href=\"http://jetty.jetty.org\">Powered by Jetty://</a></small></i></p>");
for (int i= 0; i < 20; i++)
writer.write("\n ");
writer.write("\n</body>\n</html>\n");
}
}