www.pudn.com > JpcapDumper-0.3-src.zip > HTTPAnalyzer.java

package jdumper.analyzer; 
import jpcap.packet.*; 
import java.util.*; 
import java.io.*; 
 
public class HTTPAnalyzer extends JDPacketAnalyzer 
{ 
	private static final String[] valueNames={ 
		"Method", 
		"Header" 
	}; 
	String method; 
	Vector headers=new Vector(); 
	 
	public HTTPAnalyzer(){ 
		layer=APPLICATION_LAYER; 
	} 
	 
	public boolean isAnalyzable(Packet p){ 
		if(p instanceof TCPPacket && 
		   (((TCPPacket)p).src_port==80 || ((TCPPacket)p).dst_port==80)) 
			return true; 
		else return false; 
	} 
	 
	public String getProtocolName(){ 
		return "HTTP"; 
	} 
	 
	public String[] getValueNames(){ 
		return valueNames; 
	} 
	 
	public void analyze(Packet p){ 
		method=""; 
		headers.removeAllElements(); 
		if(!isAnalyzable(p)) return; 
		 
		try{ 
			BufferedReader in=new BufferedReader(new StringReader(new String(p.data))); 
			 
			method=in.readLine(); 
			if(method==null || method.indexOf("HTTP")==-1){ 
				// this packet doesn't contain HTTP header 
				method="Not HTTP Header"; 
				return; 
			} 
			 
			String l; 
			//read headers 
			while((l=in.readLine()).length()>0) 
				headers.addElement(l); 
		}catch(IOException e){} 
	} 
	 
	public Object getValue(String valueName){ 
		if(valueNames[0].equals(valueName)) return method; 
		if(valueNames[1].equals(valueName)) return headers; 
		return null; 
	} 
	 
	Object getValueAt(int index){ 
		if(index==0) return method; 
		if(index==1) return headers; 
		return null; 
	} 
	 
	public Object[] getValues(){ 
		Object[] values=new Object[2]; 
		values[0]=method; 
		values[1]=headers; 
		 
		return values; 
	} 
}