diff src/org/eclipse/jetty/server/handler/DebugHandler.java @ 802:3428c60d7cfc

replace jetty jars with source
author Franklin Schmidt <fschmidt@gmail.com>
date Wed, 07 Sep 2016 21:15:48 -0600
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/eclipse/jetty/server/handler/DebugHandler.java	Wed Sep 07 21:15:48 2016 -0600
@@ -0,0 +1,158 @@
+//
+//  ========================================================================
+//  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.OutputStream;
+import java.io.PrintStream;
+import java.util.Locale;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.eclipse.jetty.server.Request;
+import org.eclipse.jetty.server.Response;
+import org.eclipse.jetty.util.DateCache;
+import org.eclipse.jetty.util.RolloverFileOutputStream;
+
+
+/** 
+ * Debug Handler.
+ * A lightweight debug handler that can be used in production code.
+ * Details of the request and response are written to an output stream
+ * and the current thread name is updated with information that will link
+ * to the details in that output.
+ */
+public class DebugHandler extends HandlerWrapper
+{
+    private DateCache _date=new DateCache("HH:mm:ss", Locale.US);
+    private OutputStream _out;
+    private PrintStream _print;
+    
+    /* ------------------------------------------------------------ */
+    /* 
+     * @see org.eclipse.jetty.server.Handler#handle(java.lang.String, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, int)
+     */
+    @Override
+    public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response)
+            throws IOException, ServletException
+    {
+        final Response base_response = baseRequest.getResponse();
+        final Thread thread=Thread.currentThread();
+        final String old_name=thread.getName();
+
+        boolean suspend=false;
+        boolean retry=false;
+        String name=(String)request.getAttribute("org.eclipse.jetty.thread.name");
+        if (name==null)
+            name=old_name+":"+baseRequest.getScheme()+"://"+baseRequest.getLocalAddr()+":"+baseRequest.getLocalPort()+baseRequest.getUri();
+        else
+            retry=true;
+        
+        String ex=null;
+        try
+        {
+            final String d=_date.now();
+            final int ms=_date.lastMs();
+            
+            if (retry)
+                _print.println(d+(ms>99?".":(ms>9?".0":".00"))+ms+":"+name+" RETRY");
+            else
+                _print.println(d+(ms>99?".":(ms>9?".0":".00"))+ms+":"+name+" "+baseRequest.getRemoteAddr()+" "+request.getMethod()+" "+baseRequest.getHeader("Cookie")+"; "+baseRequest.getHeader("User-Agent"));
+            thread.setName(name);
+            
+            getHandler().handle(target,baseRequest,request,response);
+        }
+        catch(IOException ioe)
+        {
+            ex=ioe.toString();
+            throw ioe;
+        }
+        catch(ServletException se)
+        {
+            ex=se.toString()+":"+se.getCause();
+            throw se;
+        }
+        catch(RuntimeException rte)
+        {
+            ex=rte.toString();
+            throw rte;
+        }
+        catch(Error e)
+        {
+            ex=e.toString();
+            throw e;
+        }
+        finally
+        {
+            thread.setName(old_name);
+            final String d=_date.now();
+            final int ms=_date.lastMs();
+            suspend=baseRequest.getAsyncContinuation().isSuspended();
+            if (suspend)
+            {
+                request.setAttribute("org.eclipse.jetty.thread.name",name);
+                _print.println(d+(ms>99?".":(ms>9?".0":".00"))+ms+":"+name+" SUSPEND");
+            }
+            else
+                _print.println(d+(ms>99?".":(ms>9?".0":".00"))+ms+":"+name+" "+base_response.getStatus()+
+		        (ex==null?"":("/"+ex))+
+		        " "+base_response.getContentType()+" "+base_response.getContentCount());
+        }
+    }
+
+    /* (non-Javadoc)
+     * @see org.eclipse.jetty.server.handler.HandlerWrapper#doStart()
+     */
+    @Override
+    protected void doStart() throws Exception
+    {
+        if (_out==null)
+            _out=new RolloverFileOutputStream("./logs/yyyy_mm_dd.debug.log",true);
+        _print=new PrintStream(_out);
+        super.doStart();
+    }
+
+    /* (non-Javadoc)
+     * @see org.eclipse.jetty.server.handler.HandlerWrapper#doStop()
+     */
+    @Override
+    protected void doStop() throws Exception
+    {
+        super.doStop();
+        _print.close();
+    }
+
+    /**
+     * @return the out
+     */
+    public OutputStream getOutputStream()
+    {
+        return _out;
+    }
+
+    /**
+     * @param out the out to set
+     */
+    public void setOutputStream(OutputStream out)
+    {
+        _out = out;
+    }
+}