First Commit

com/nemez/cmdmgr/util/BranchStack.java

@@ -0,0 +1,33 @@
+package com.nemez.cmdmgr.util;
+
+import java.util.ArrayList;
+
+import com.nemez.cmdmgr.component.ChainComponent;
+
+public class BranchStack {
+
+	private ArrayList<ChainComponent> components;
+	
+	public BranchStack() {
+		components = new ArrayList<ChainComponent>();
+	}
+	
+	public void push(ChainComponent comp) {
+		components.add(comp);
+	}
+	
+	public ChainComponent pop() {
+		if (components.size() > 0) {
+			ChainComponent toPop = components.remove(components.size() - 1);
+			return toPop;
+		}
+		return null;
+	}
+	
+	public ChainComponent get() {
+		if (components.size() > 0) {
+			return components.get(components.size() - 1);
+		}
+		return null;
+	}
+}