/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.mina.example.httpserver.stream;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.util.Iterator;
import java.util.Map;
import java.util.TreeMap;
import java.util.Map.Entry;
import org.apache.mina.common.IoSession;
import org.apache.mina.handler.StreamIoHandler;
/**
* A simplistic HTTP protocol handler that replies back the URL and headers
* which a client requested.
*
* @author The Apache Directory Project (mina-dev@directory.apache.org)
* @version $Rev: 451854 $, $Date: 2006-10-02 11:30:11 +0900 (월, 02 10월 2006) $
*/
public class HttpProtocolHandler extends StreamIoHandler
{
protected void processStreamIo( IoSession session, InputStream in,
OutputStream out )
{
// You *MUST* execute stream I/O logic in a separate thread.
new Worker( in, out ).start();
}
private static class Worker extends Thread
{
private final InputStream in;
private final OutputStream out;
public Worker( InputStream in, OutputStream out )
{
setDaemon( true );
this.in = in;
this.out = out;
}
public void run()
{
String url;
Map headers = new TreeMap();
BufferedReader in = new BufferedReader(
new InputStreamReader( this.in ) );
PrintWriter out = new PrintWriter(
new BufferedWriter( new OutputStreamWriter( this.out ) ) );
try
{
// Get request URL.
url = in.readLine().split( " " )[1];
// Read header
String line;
while ( ( line = in.readLine() ) != null && !line.equals( "" ) )
{
String[] tokens = line.split(": ");
headers.put( tokens[0], tokens[1] );
}
// Write header
out.println( "HTTP/1.0 200 OK" );
out.println( "Content-Type: text/html" );
out.println( "Server: MINA Example" );
out.println();
// Write content
out.println( "<html><head></head><body>" );
out.println( "<h3>Request Summary for: " + url + "</h3>" );
out.println( "<table border=\"1\"><tr><th>Key</th><th>Value</th></tr>" );
Iterator it = headers.entrySet().iterator();
while( it.hasNext() )
{
Entry e = ( Entry ) it.next();
out.println( "<tr><td>" + e.getKey() + "</td><td>" + e.getValue() + "</td></tr>" );
}
out.println( "</table>" );
out.println( "</body></html>" );
}
catch( Exception e )
{
e.printStackTrace();
}
finally
{
out.flush();
out.close();
try
{
in.close();
}
catch( IOException e )
{
}
}
}
}
}