1 files changed, 91 insertions, 0 deletions
diff --git a/src/com/isode/stroke/client/BlockListImpl.java b/src/com/isode/stroke/client/BlockListImpl.java
new file mode 100644
index 0000000..a85f86c
--- /dev/null
+++ b/src/com/isode/stroke/client/BlockListImpl.java
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2011 Isode Limited.
+ * All rights reserved.
+ * See the COPYING file for more information.
+ */
+/*
+ * Copyright (c) 2015 Tarun Gupta.
+ * Licensed under the simplified BSD license.
+ * See Documentation/Licenses/BSD-simplified.txt for more information.
+ */
+
+package com.isode.stroke.client;
+
+import com.isode.stroke.client.BlockList;
+import com.isode.stroke.jid.JID;
+import java.util.Vector;
+
+public class BlockListImpl extends BlockList {
+
+	private State state;
+	private Vector<JID> items = new Vector<JID>();
+
+	public BlockListImpl() {
+		this.state = State.Init;
+	}
+
+	public State getState() {
+		return state;
+	}
+
+	public void setState(State state) {
+		if (!(this.state.equals(state))) {
+			this.state = state;
+			onStateChanged.emit();
+		}
+	}
+
+	public Vector<JID> getItems() {
+		return items;
+	}
+
+	public void setItems(final Vector<JID> items) {
+		for (final JID jid : this.items) {
+			if(items.contains(jid)) {
+				onItemRemoved.emit(jid);
+			}
+		}
+
+		for (final JID jid : items) {
+			if(this.items.contains(jid)) {
+				onItemAdded.emit(jid);
+			}
+		}
+		this.items = items;
+	}
+
+	public void addItem(final JID item) {
+		if(!(items.contains(item))) {
+			items.add(item);
+			onItemAdded.emit(item);			
+		}
+	}
+
+	public void removeItem(final JID item) {
+		int oldSize = items.size();
+		while(items.contains(item)) {
+			items.remove(item);
+		}
+		if (items.size() != oldSize) {
+			onItemRemoved.emit(item);
+		}
+	}
+
+	public void addItems(final Vector<JID> items) {
+		Vector<JID> itemsToAdd = new Vector<JID>(items); //Have to do this to avoid ConcurrentModificationException.
+		for (final JID item : itemsToAdd) {
+			addItem(item);
+		}
+	}
+
+	public void removeItems(final Vector<JID> items) {
+		Vector<JID> itemsToRemove = new Vector<JID>(items); //Have to do this to avoid ConcurrentModificationException.
+		for (final JID item : itemsToRemove) {
+			removeItem(item);
+		}
+	}
+
+	public void removeAllItems() {
+		removeItems(items);
+	}
+}
+\ No newline at end of file