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changeset 911:cab5830e1ab0

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remove ErrorHandler
author Franklin Schmidt <fschmidt@gmail.com>
date Sat, 08 Oct 2016 21:37:13 -0600
parents 9b65e8064f90
children 1d0c304e12b5
files src/org/eclipse/jetty/server/AbstractHttpConnection.java src/org/eclipse/jetty/server/Response.java src/org/eclipse/jetty/server/handler/ContextHandler.java src/org/eclipse/jetty/server/handler/ErrorHandler.java
diffstat 4 files changed, 35 insertions(+), 343 deletions(-) [+]
line wrap: on
line diff
--- a/src/org/eclipse/jetty/server/AbstractHttpConnection.java	Sat Oct 08 21:30:32 2016 -0600
+++ b/src/org/eclipse/jetty/server/AbstractHttpConnection.java	Sat Oct 08 21:37:13 2016 -0600
@@ -53,7 +53,6 @@
 import org.eclipse.jetty.io.EndPoint;
 import org.eclipse.jetty.io.EofException;
 import org.eclipse.jetty.io.RuntimeIOException;
-import org.eclipse.jetty.server.handler.ErrorHandler;
 import org.eclipse.jetty.util.QuotedStringTokenizer;
 import org.eclipse.jetty.util.StringUtil;
 import org.eclipse.jetty.util.URIUtil;
--- a/src/org/eclipse/jetty/server/Response.java	Sat Oct 08 21:30:32 2016 -0600
+++ b/src/org/eclipse/jetty/server/Response.java	Sat Oct 08 21:37:13 2016 -0600
@@ -46,7 +46,6 @@
 import org.eclipse.jetty.http.MimeTypes;
 import org.eclipse.jetty.io.BufferCache.CachedBuffer;
 import org.eclipse.jetty.server.handler.ContextHandler;
-import org.eclipse.jetty.server.handler.ErrorHandler;
 import org.eclipse.jetty.util.ByteArrayISO8859Writer;
 import org.eclipse.jetty.util.QuotedStringTokenizer;
 import org.eclipse.jetty.util.StringUtil;
@@ -247,63 +246,47 @@
 		{
 			Request request = _connection.getRequest();
 
-			ErrorHandler error_handler = null;
-			ContextHandler.Context context = request.getContext();
-			if (context!=null)
-				error_handler=context.getContextHandler().getErrorHandler();
-			if (error_handler==null)
-				error_handler = _connection.getConnector().server.getBean(ErrorHandler.class);
-			if (error_handler!=null)
+			setHeader(HttpHeaders.CACHE_CONTROL, "must-revalidate,no-cache,no-store");
+			setContentType(MimeTypes.TEXT_HTML_8859_1);
+			ByteArrayISO8859Writer writer= new ByteArrayISO8859Writer(2048);
+			if (message != null)
 			{
-				request.setAttribute(RequestDispatcher.ERROR_STATUS_CODE,new Integer(code));
-				request.setAttribute(RequestDispatcher.ERROR_MESSAGE, message);
-				request.setAttribute(RequestDispatcher.ERROR_REQUEST_URI, request.getRequestURI());
-				error_handler.handle(null,_connection.getRequest(),_connection.getRequest(),this );
+				message= StringUtil.replace(message, "&", "&amp;");
+				message= StringUtil.replace(message, "<", "&lt;");
+				message= StringUtil.replace(message, ">", "&gt;");
 			}
-			else
+			String uri= request.getRequestURI();
+			if (uri!=null)
 			{
-				setHeader(HttpHeaders.CACHE_CONTROL, "must-revalidate,no-cache,no-store");
-				setContentType(MimeTypes.TEXT_HTML_8859_1);
-				ByteArrayISO8859Writer writer= new ByteArrayISO8859Writer(2048);
-				if (message != null)
-				{
-					message= StringUtil.replace(message, "&", "&amp;");
-					message= StringUtil.replace(message, "<", "&lt;");
-					message= StringUtil.replace(message, ">", "&gt;");
-				}
-				String uri= request.getRequestURI();
-				if (uri!=null)
-				{
-					uri= StringUtil.replace(uri, "&", "&amp;");
-					uri= StringUtil.replace(uri, "<", "&lt;");
-					uri= StringUtil.replace(uri, ">", "&gt;");
-				}
+				uri= StringUtil.replace(uri, "&", "&amp;");
+				uri= StringUtil.replace(uri, "<", "&lt;");
+				uri= StringUtil.replace(uri, ">", "&gt;");
+			}
 
-				writer.write("<html>\n<head>\n<meta http-equiv=\"Content-Type\" content=\"text/html;charset=ISO-8859-1\"/>\n");
-				writer.write("<title>Error ");
-				writer.write(Integer.toString(code));
-				writer.write(' ');
-				if (message==null)
-					message=HttpStatus.getMessage(code);
-				writer.write(message);
-				writer.write("</title>\n</head>\n<body>\n<h2>HTTP ERROR: ");
-				writer.write(Integer.toString(code));
-				writer.write("</h2>\n<p>Problem accessing ");
-				writer.write(uri);
-				writer.write(". Reason:\n<pre>    ");
-				writer.write(message);
-				writer.write("</pre>");
-				writer.write("</p>\n<hr /><i><small>Powered by Jetty://</small></i>");
+			writer.write("<html>\n<head>\n<meta http-equiv=\"Content-Type\" content=\"text/html;charset=ISO-8859-1\"/>\n");
+			writer.write("<title>Error ");
+			writer.write(Integer.toString(code));
+			writer.write(' ');
+			if (message==null)
+				message=HttpStatus.getMessage(code);
+			writer.write(message);
+			writer.write("</title>\n</head>\n<body>\n<h2>HTTP ERROR: ");
+			writer.write(Integer.toString(code));
+			writer.write("</h2>\n<p>Problem accessing ");
+			writer.write(uri);
+			writer.write(". Reason:\n<pre>    ");
+			writer.write(message);
+			writer.write("</pre>");
+			writer.write("</p>\n<hr /><i><small>Powered by Jetty://</small></i>");
 
-				for (int i= 0; i < 20; i++)
-					writer.write("\n                                                ");
-				writer.write("\n</body>\n</html>\n");
+			for (int i= 0; i < 20; i++)
+				writer.write("\n                                                ");
+			writer.write("\n</body>\n</html>\n");
 
-				writer.flush();
-				setContentLength(writer.size());
-				writer.writeTo(getOutputStream());
-				writer.destroy();
-			}
+			writer.flush();
+			setContentLength(writer.size());
+			writer.writeTo(getOutputStream());
+			writer.destroy();
 		}
 		else if (code!=SC_PARTIAL_CONTENT)
 		{
--- a/src/org/eclipse/jetty/server/handler/ContextHandler.java	Sat Oct 08 21:30:32 2016 -0600
+++ b/src/org/eclipse/jetty/server/handler/ContextHandler.java	Sat Oct 08 21:37:13 2016 -0600
@@ -132,7 +132,6 @@
 	private MimeTypes _mimeTypes;
 	private Map<String, String> _localeEncodingMap;
 	private String[] _welcomeFiles;
-	private ErrorHandler _errorHandler;
 	private String[] _vhosts;
 	private Set<String> _connectors;
 	private EventListener[] _eventListeners;
@@ -245,19 +244,6 @@
 	}
 
 	/* ------------------------------------------------------------ */
-	@Override
-	public void setServer(Server server)
-	{
-		if (_errorHandler != null)
-		{
-			super.setServer(server);
-			_errorHandler.setServer(server);
-		}
-		else
-			super.setServer(server);
-	}
-
-	/* ------------------------------------------------------------ */
 	/**
 	 * Set the virtual hosts for the context. Only requests that have a matching host header or fully qualified URL will be passed to that context with a
 	 * virtual host name. A context with no virtual host names or a null virtual host name is available to all requests that are not served by a context with a
@@ -755,9 +741,6 @@
 
 		super.doStart();
 
-		if (_errorHandler != null)
-			_errorHandler.start();
-
 		// Context listeners
 		if (_contextListeners != null)
 		{
@@ -821,9 +804,6 @@
 			setEventListeners((EventListener[])LazyList.toArray(_durableListeners, EventListener.class));
 			_durableListeners = null;
 
-			if (_errorHandler != null)
-				_errorHandler.stop();
-
 			Enumeration e = _scontext.getAttributeNames();
 			while (e.hasMoreElements())
 			{
@@ -1399,27 +1379,6 @@
 	}
 
 	/* ------------------------------------------------------------ */
-	/**
-	 * @return Returns the errorHandler.
-	 */
-	public ErrorHandler getErrorHandler()
-	{
-		return _errorHandler;
-	}
-
-	/* ------------------------------------------------------------ */
-	/**
-	 * @param errorHandler
-	 *            The errorHandler to set.
-	 */
-	public void setErrorHandler(ErrorHandler errorHandler)
-	{
-		if (errorHandler != null)
-			errorHandler.setServer(getServer());
-		_errorHandler = errorHandler;
-	}
-
-	/* ------------------------------------------------------------ */
 	public int getMaxFormContentSize()
 	{
 		return _maxFormContentSize;
--- a/src/org/eclipse/jetty/server/handler/ErrorHandler.java	Sat Oct 08 21:30:32 2016 -0600
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,249 +0,0 @@
-//
-//  ========================================================================
-//  Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
-//  ------------------------------------------------------------------------
-//  All rights reserved. This program and the accompanying materials
-//  are made available under the terms of the Eclipse Public License v1.0
-//  and Apache License v2.0 which accompanies this distribution.
-//
-//      The Eclipse Public License is available at
-//      http://www.eclipse.org/legal/epl-v10.html
-//
-//      The Apache License v2.0 is available at
-//      http://www.opensource.org/licenses/apache2.0.php
-//
-//  You may elect to redistribute this code under either of these licenses.
-//  ========================================================================
-//
-
-package org.eclipse.jetty.server.handler;
-
-import java.io.IOException;
-import java.io.PrintWriter;
-import java.io.StringWriter;
-import java.io.Writer;
-
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
-import org.eclipse.jetty.http.HttpHeaders;
-import org.eclipse.jetty.http.HttpMethods;
-import org.eclipse.jetty.http.HttpStatus;
-import org.eclipse.jetty.http.MimeTypes;
-import org.eclipse.jetty.server.AbstractHttpConnection;
-import org.eclipse.jetty.server.Request;
-import org.eclipse.jetty.util.ByteArrayISO8859Writer;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/* ------------------------------------------------------------ */
-/** Handler for Error pages
- * An ErrorHandler is registered with {@link ContextHandler#setErrorHandler(ErrorHandler)} or 
- * {@link org.eclipse.jetty.server.Server#addBean(Object)}.   
- * It is called by the HttpResponse.sendError method to write a error page.
- * 
- */
-public class ErrorHandler extends AbstractHandler
-{    
-	private static final Logger LOG = LoggerFactory.getLogger(ErrorHandler.class);
-	public final static String ERROR_PAGE="org.eclipse.jetty.server.error_page";
-	
-	boolean _showStacks=true;
-	boolean _showMessageInTitle=true;
-	String _cacheControl="must-revalidate,no-cache,no-store";
-	
-	/* ------------------------------------------------------------ */
-	/* 
-	 * @see org.eclipse.jetty.server.server.Handler#handle(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, int)
-	 */
-	public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException
-	{
-		AbstractHttpConnection connection = AbstractHttpConnection.getCurrentConnection();
-		String method = request.getMethod();
-		if(!method.equals(HttpMethods.GET) && !method.equals(HttpMethods.POST) && !method.equals(HttpMethods.HEAD))
-		{
-			connection.getRequest().setHandled(true);
-			return;
-		}
-				
-		connection.getRequest().setHandled(true);
-		response.setContentType(MimeTypes.TEXT_HTML_8859_1);    
-		if (_cacheControl!=null)
-			response.setHeader(HttpHeaders.CACHE_CONTROL, _cacheControl);
-		ByteArrayISO8859Writer writer= new ByteArrayISO8859Writer(4096);
-		handleErrorPage(request, writer, connection.getResponse().getStatus(), connection.getResponse().getReason());
-		writer.flush();
-		response.setContentLength(writer.size());
-		writer.writeTo(response.getOutputStream());
-		writer.destroy();
-	}
-
-	/* ------------------------------------------------------------ */
-	protected void handleErrorPage(HttpServletRequest request, Writer writer, int code, String message)
-		throws IOException
-	{
-		writeErrorPage(request, writer, code, message, _showStacks);
-	}
-	
-	/* ------------------------------------------------------------ */
-	protected void writeErrorPage(HttpServletRequest request, Writer writer, int code, String message, boolean showStacks)
-		throws IOException
-	{
-		if (message == null)
-			message=HttpStatus.getMessage(code);
-
-		writer.write("<html>\n<head>\n");
-		writeErrorPageHead(request,writer,code,message);
-		writer.write("</head>\n<body>");
-		writeErrorPageBody(request,writer,code,message,showStacks);
-		writer.write("\n</body>\n</html>\n");
-	}
-
-	/* ------------------------------------------------------------ */
-	protected void writeErrorPageHead(HttpServletRequest request, Writer writer, int code, String message)
-		throws IOException
-		{
-		writer.write("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=ISO-8859-1\"/>\n");
-		writer.write("<title>Error ");
-		writer.write(Integer.toString(code));
-
-		if (_showMessageInTitle)
-		{
-			writer.write(' ');
-			write(writer,message);
-		}
-		writer.write("</title>\n");    
-	}
-
-	/* ------------------------------------------------------------ */
-	protected void writeErrorPageBody(HttpServletRequest request, Writer writer, int code, String message, boolean showStacks)
-		throws IOException
-	{
-		String uri= request.getRequestURI();
-		
-		writeErrorPageMessage(request,writer,code,message,uri);
-		if (showStacks)
-			writeErrorPageStacks(request,writer);
-		writer.write("<hr /><i><small>Powered by Jetty://</small></i>");
-		for (int i= 0; i < 20; i++)
-			writer.write("<br/>                                                \n");
-	}
-
-	/* ------------------------------------------------------------ */
-	protected void writeErrorPageMessage(HttpServletRequest request, Writer writer, int code, String message,String uri)
-	throws IOException
-	{
-		writer.write("<h2>HTTP ERROR ");
-		writer.write(Integer.toString(code));
-		writer.write("</h2>\n<p>Problem accessing ");
-		write(writer,uri);
-		writer.write(". Reason:\n<pre>    ");
-		write(writer,message);
-		writer.write("</pre></p>");
-	}
-
-	/* ------------------------------------------------------------ */
-	protected void writeErrorPageStacks(HttpServletRequest request, Writer writer)
-		throws IOException
-	{
-		Throwable th = (Throwable)request.getAttribute("javax.servlet.error.exception");
-		while(th!=null)
-		{
-			writer.write("<h3>Caused by:</h3><pre>");
-			StringWriter sw = new StringWriter();
-			PrintWriter pw = new PrintWriter(sw);
-			th.printStackTrace(pw);
-			pw.flush();
-			write(writer,sw.getBuffer().toString());
-			writer.write("</pre>\n");
-
-			th =th.getCause();
-		}
-	}
-		
-
-	/* ------------------------------------------------------------ */
-	/** Get the cacheControl.
-	 * @return the cacheControl header to set on error responses.
-	 */
-	public String getCacheControl()
-	{
-		return _cacheControl;
-	}
-
-	/* ------------------------------------------------------------ */
-	/** Set the cacheControl.
-	 * @param cacheControl the cacheControl header to set on error responses.
-	 */
-	public void setCacheControl(String cacheControl)
-	{
-		_cacheControl = cacheControl;
-	}
-
-	/* ------------------------------------------------------------ */
-	/**
-	 * @return True if stack traces are shown in the error pages
-	 */
-	public boolean isShowStacks()
-	{
-		return _showStacks;
-	}
-
-	/* ------------------------------------------------------------ */
-	/**
-	 * @param showStacks True if stack traces are shown in the error pages
-	 */
-	public void setShowStacks(boolean showStacks)
-	{
-		_showStacks = showStacks;
-	}
-	
-	/* ------------------------------------------------------------ */
-	/**
-	 * @param showMessageInTitle if true, the error message appears in page title
-	 */
-	public void setShowMessageInTitle(boolean showMessageInTitle)
-	{
-		_showMessageInTitle = showMessageInTitle;
-	}
-	
-	
-	/* ------------------------------------------------------------ */
-	public boolean getShowMessageInTitle()
-	{
-		return _showMessageInTitle;
-	}
-
-	/* ------------------------------------------------------------ */
-	protected void write(Writer writer,String string)
-		throws IOException
-	{
-		if (string==null)
-			return;
-		
-		for (int i=0;i<string.length();i++)
-		{
-			char c=string.charAt(i);
-			
-			switch(c)
-			{
-				case '&' :
-					writer.write("&amp;");
-					break;
-				case '<' :
-					writer.write("&lt;");
-					break;
-				case '>' :
-					writer.write("&gt;");
-					break;
-					
-				default:
-					if (Character.isISOControl(c) && !Character.isWhitespace(c))
-						writer.write('?');
-					else 
-						writer.write(c);
-			}          
-		}
-	}
-}