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package com.c2kernel.entity.proxy;
import java.io.IOException;
import java.net.DatagramPacket;
import com.c2kernel.common.InvalidDataException;
import com.c2kernel.lookup.InvalidItemPathException;
import com.c2kernel.lookup.ItemPath;
/**************************************************************************
*
* $Revision: 1.11 $
* $Date: 2005/05/10 11:40:09 $
*
* Copyright (C) 2003 CERN - European Organization for Nuclear Research
* All rights reserved.
**************************************************************************/
public class ProxyMessage {
// special server message paths
public static final String BYEPATH = "bye";
public static final String ADDPATH = "add";
public static final String DELPATH = "del";
public static final String PINGPATH = "ping";
public static final boolean ADDED = false;
public static final boolean DELETED = true;
static ProxyMessage byeMessage = new ProxyMessage(null, BYEPATH, ADDED);
static ProxyMessage pingMessage = new ProxyMessage(null, PINGPATH, ADDED);
private ItemPath itemPath = null;
private String path = "";
private String server = null;
private boolean state = ADDED;
public ProxyMessage() {
super();
}
public ProxyMessage(ItemPath itemPath, String path, boolean state) {
this();
setItemPath(itemPath);
setPath(path);
setState(state);
}
public ProxyMessage(String line) throws InvalidDataException, IOException {
if (line == null)
throw new IOException("Null proxy message");
String[] tok = line.split(":");
if (tok.length != 2)
throw new InvalidDataException("String '"+line+"' does not constitute a valid proxy message.", "");
if (tok[0].length() > 0 && !tok[0].equals("tree")) {
try {
itemPath = new ItemPath(tok[0]);
} catch (InvalidItemPathException e) {
throw new InvalidDataException("Item in proxy message "+line+" was not valid");
}
}
path = tok[1];
if (path.startsWith("-")) {
state = DELETED;
path = path.substring(1);
}
}
public ProxyMessage(DatagramPacket packet) throws InvalidDataException, IOException {
this(new String(packet.getData()));
}
public ItemPath getItemPath() {
return itemPath;
}
public void setItemPath(ItemPath itemPath) {
this.itemPath = itemPath;
}
public String getPath() {
return path;
}
public void setPath(String newPath) {
this.path = newPath;
}
public boolean getState() {
return state;
}
public void setState(boolean state) {
this.state = state;
}
@Override
public String toString() {
return (itemPath==null?"tree":itemPath.getUUID())+":"+(state?"-":"")+path;
}
public String getServer() {
return server;
}
public void setServer(String server) {
this.server = server;
}
}
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