?? udpanalyzer.java
字號:
package jdumper.analyzer;
import jpcap.packet.*;
public class UDPAnalyzer extends JDPacketAnalyzer
{
private static final String[] valueNames={
"Source Port",
"Destination Port",
"Packet Length"
};
private UDPPacket udp;
public UDPAnalyzer(){
layer=TRANSPORT_LAYER;
}
public boolean isAnalyzable(Packet p){
return (p instanceof UDPPacket);
}
public String getProtocolName(){
return "UDP";
}
public String[] getValueNames(){
return valueNames;
}
public void analyze(Packet p){
if(!isAnalyzable(p)) return;
udp=(UDPPacket)p;
}
public Object getValue(String valueName){
for(int i=0;i<valueNames.length;i++)
if(valueNames[i].equals(valueName))
return getValueAt(i);
return null;
}
public Object getValueAt(int index){
switch(index){
case 0: return new Integer(udp.src_port);
case 1: return new Integer(udp.dst_port);
case 2: return new Integer(udp.length);
default: return null;
}
}
public Object[] getValues(){
Object[] v=new Object[3];
for(int i=0;i<3;i++)
v[i]=getValueAt(i);
return v;
}
}
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