📄 dumphandler.java

📁 jetty SERVER連接資料庫用的軟體
💻 JAVA
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//========================================================================//Copyright 2006 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.mortbay.jetty;import java.io.ByteArrayOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.io.OutputStreamWriter;import java.io.Writer;import java.util.Enumeration;import javax.servlet.ServletException;import javax.servlet.http.Cookie;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.mortbay.jetty.handler.AbstractHandler;import org.mortbay.util.StringUtil;import org.mortbay.util.ajax.Continuation;import org.mortbay.util.ajax.ContinuationSupport;/* ------------------------------------------------------------ *//** Dump request handler. * Dumps GET and POST requests. * Useful for testing and debugging. *  * @version $Id: DumpHandler.java,v 1.14 2005/08/13 00:01:26 gregwilkins Exp $ * @author Greg Wilkins (gregw) */public class DumpHandler extends AbstractHandler{    String label="Dump HttpHandler";        public DumpHandler()    {    }        public DumpHandler(String label)    {        this.label=label;    }        /* ------------------------------------------------------------ */    /*      * @see org.mortbay.jetty.Handler#handle(java.lang.String, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, int)     */    public void handle(String target, HttpServletRequest request, HttpServletResponse response, int dispatch) throws IOException, ServletException    {        Request base_request = (request instanceof Request) ? (Request)request:HttpConnection.getCurrentConnection().getRequest();                if (!isStarted())            return;                if (request.getParameter("continue")!=null)        {            Continuation continuation = ContinuationSupport.getContinuation(request, null);            continuation.suspend(Long.parseLong(request.getParameter("continue")));        }                base_request.setHandled(true);        response.setHeader(HttpHeaders.CONTENT_TYPE,MimeTypes.TEXT_HTML);                OutputStream out = response.getOutputStream();        ByteArrayOutputStream buf = new ByteArrayOutputStream(2048);        Writer writer = new OutputStreamWriter(buf,StringUtil.__ISO_8859_1);        writer.write("<html><h1>"+label+"</h1>");        writer.write("<pre>\npathInfo="+request.getPathInfo()+"\n</pre>\n");        writer.write("<pre>\ncontentType="+request.getContentType()+"\n</pre>\n");        writer.write("<pre>\nencoding="+request.getCharacterEncoding()+"\n</pre>\n");        writer.write("<h3>Header:</h3><pre>");        writer.write(request.toString());        writer.write("</pre>\n<h3>Parameters:</h3>\n<pre>");        Enumeration names=request.getParameterNames();        while(names.hasMoreElements())        {            String name=names.nextElement().toString();            String[] values=request.getParameterValues(name);            if (values==null || values.length==0)            {                writer.write(name);                writer.write("=\n");            }            else if (values.length==1)            {                writer.write(name);                writer.write("=");                writer.write(values[0]);                writer.write("\n");            }            else            {                for (int i=0; i<values.length; i++)                {                    writer.write(name);                    writer.write("["+i+"]=");                    writer.write(values[i]);                    writer.write("\n");                }            }        }                String cookie_name=request.getParameter("CookieName");        if (cookie_name!=null && cookie_name.trim().length()>0)        {            String cookie_action=request.getParameter("Button");            try{                Cookie cookie=                    new Cookie(cookie_name.trim(),                                    request.getParameter("CookieVal"));                if ("Clear Cookie".equals(cookie_action))                    cookie.setMaxAge(0);                response.addCookie(cookie);            }            catch(IllegalArgumentException e)            {                writer.write("</pre>\n<h3>BAD Set-Cookie:</h3>\n<pre>");                writer.write(e.toString());            }        }                writer.write("</pre>\n<h3>Cookies:</h3>\n<pre>");        Cookie[] cookies=request.getCookies();        if (cookies!=null && cookies.length>0)        {            for(int c=0;c<cookies.length;c++)            {                Cookie cookie=cookies[c];                writer.write(cookie.getName());                writer.write("=");                writer.write(cookie.getValue());                writer.write("\n");            }        }                writer.write("</pre>\n<h3>Attributes:</h3>\n<pre>");        Enumeration attributes=request.getAttributeNames();        if (attributes!=null && attributes.hasMoreElements())        {            while(attributes.hasMoreElements())            {                String attr=attributes.nextElement().toString();                writer.write(attr);                writer.write("=");                writer.write(request.getAttribute(attr).toString());                writer.write("\n");            }        }                writer.write("</pre>\n<h3>Content:</h3>\n<pre>");        byte[] content= new byte[4096];        int len;        try{            InputStream in=request.getInputStream();            while((len=in.read(content))>=0)                writer.write(new String(content,0,len));        }        catch(IOException e)        {            writer.write(e.toString());        }                writer.write("</pre>");        writer.write("</html>");                // commit now        writer.flush();        response.setContentLength(buf.size()+1000);        buf.writeTo(out);                buf.reset();        writer.flush();        for (int pad=998-buf.size();pad-->0;)            writer.write(" ");        writer.write("\015\012");        writer.flush();        buf.writeTo(out);                response.setHeader("IgnoreMe","ignored");    }}
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