X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fnet%2Fpterodactylus%2Fjsite%2Fcore%2FNode.java;h=afcce6a8a410833e7a1271dc41db5355a618fb30;hb=52f29c032eb637965d5342d3bd45843774d926b5;hp=b3a98e9980659081e15f4638706d9ac30b534560;hpb=04bf051e92fb7dce561278b315961e790b545803;p=jSite2.git

diff --git a/src/net/pterodactylus/jsite/core/Node.java b/src/net/pterodactylus/jsite/core/Node.java
index b3a98e9..afcce6a 100644
--- a/src/net/pterodactylus/jsite/core/Node.java
+++ b/src/net/pterodactylus/jsite/core/Node.java
@@ -19,14 +19,23 @@
 
 package net.pterodactylus.jsite.core;
 
+import java.beans.PropertyChangeEvent;
+import java.beans.PropertyChangeListener;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
 /**
  * Container for a Freenet node.
- *
+ * 
  * @author David ‘Bombe’ Roden <bombe@freenetproject.org>
  * @version $Id$
  */
 public class Node {
 
+	/** Property change listeners. */
+	private final List<PropertyChangeListener> propertyChangeListeners = Collections.synchronizedList(new ArrayList<PropertyChangeListener>());
+
 	/** The name of the node. */
 	private String name;
 
@@ -36,9 +45,55 @@ public class Node {
 	/** The port number of the node. */
 	private int port;
 
+	//
+	// EVENT MANAGEMENT
+	//
+
+	/**
+	 * Adds a property change listener.
+	 * 
+	 * @param propertyChangeListener
+	 *            The property change listener to add
+	 */
+	public void addPropertyChangeListener(PropertyChangeListener propertyChangeListener) {
+		propertyChangeListeners.add(propertyChangeListener);
+	}
+
+	/**
+	 * Removes a property change listener.
+	 * 
+	 * @param propertyChangeListener
+	 *            The property change listener to remove
+	 */
+	public void removePropertyChangeListener(PropertyChangeListener propertyChangeListener) {
+		propertyChangeListeners.remove(propertyChangeListener);
+	}
+
+	/**
+	 * Notifies all listeners that a property has changed.
+	 * 
+	 * @param property
+	 *            The name of the property
+	 * @param oldValue
+	 *            The old value of the property
+	 * @param newValue
+	 *            The new value of the property
+	 */
+	private void firePropertyChange(String property, Object oldValue, Object newValue) {
+		PropertyChangeEvent propertyChangeEvent = new PropertyChangeEvent(this, property, oldValue, newValue);
+		for (PropertyChangeListener propertyChangeListener: propertyChangeListeners) {
+			propertyChangeListener.propertyChange(propertyChangeEvent);
+		}
+
+	}
+
+	//
+	// ACCESSORS
+	//
+
 	/**
 	 * Returns the user-given name of the node.
-	 *
+	 * 
 	 * @return The name of the node
 	 */
 	public String getName() {
@@ -47,17 +102,21 @@ public class Node {
 
 	/**
 	 * Sets the user-given name of the node.
-	 *
+	 * 
 	 * @param name
 	 *            The name of the node
 	 */
 	public void setName(String name) {
+		String oldName = this.name;
 		this.name = name;
+		if (((oldName != null) && (name == null)) || ((oldName == null) && (name != null)) || ((name != null) && !name.equals(oldName))) {
+			firePropertyChange("name", oldName, name);
+		}
 	}
 
 	/**
 	 * Returns the hostname of the node.
-	 *
+	 * 
 	 * @return The hostname of the node
 	 */
 	public String getHostname() {
@@ -66,17 +125,21 @@ public class Node {
 
 	/**
 	 * Sets the hostname of the node.
-	 *
+	 * 
 	 * @param hostname
 	 *            The hostname of the node
 	 */
 	public void setHostname(String hostname) {
+		String oldHostname = this.hostname;
 		this.hostname = hostname;
+		if (((oldHostname != null) && (hostname == null)) || ((oldHostname == null) && (hostname != null)) || ((hostname != null) && !hostname.equals(oldHostname))) {
+			firePropertyChange("hostname", oldHostname, hostname);
+		}
 	}
 
 	/**
 	 * Returns the port number of the node.
-	 *
+	 * 
 	 * @return The port number of the node
 	 */
 	public int getPort() {
@@ -85,27 +148,39 @@ public class Node {
 
 	/**
 	 * Sets the port number of the node.
-	 *
+	 * 
 	 * @param port
 	 *            The port number of the node
 	 */
 	public void setPort(int port) {
+		int oldPort = this.port;
 		this.port = port;
-	}
-
-	/**
-	 * {@inheritDoc} Two Node objects are considered equal if their hostnames
-	 * and their port numbers are equal.
-	 */
-	@Override
-	public boolean equals(Object object) {
-		if ((object == null) || !(object instanceof Node)) {
-			return false;
+		if (oldPort != port) {
+			firePropertyChange("port", oldPort, port);
 		}
-		Node node = (Node) object;
-		return hostname.equals(node.hostname) && port == node.port;
 	}
 
+//	/**
+//	 * {@inheritDoc} Two Node objects are considered equal if their hostnames
+//	 * and their port numbers are equal.
+//	 */
+//	@Override
+//	public boolean equals(Object object) {
+//		if ((object == null) || !(object instanceof Node)) {
+//			return false;
+//		}
+//		Node node = (Node) object;
+//		return hostname.equals(node.hostname) && port == node.port;
+//	}
+
+//	/**
+//	 * {@inheritDoc}
+//	 */
+//	@Override
+//	public int hashCode() {
+//		return hostname.hashCode() ^ (-1 - port);
+//	}
+	
 	/**
 	 * {@inheritDoc}
 	 */