From a1a18f77a50804e0127dfa4b0f5240c49c541184 Mon Sep 17 00:00:00 2001
From: Scott Jackson <daneren2005@gmail.com>
Date: Mon, 2 Jul 2012 21:24:02 -0700
Subject: Initial Commit

---
 .../net/sourceforge/subsonic/util/BoundedList.java | 71 ++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 subsonic-main/src/main/java/net/sourceforge/subsonic/util/BoundedList.java

(limited to 'subsonic-main/src/main/java/net/sourceforge/subsonic/util/BoundedList.java')

diff --git a/subsonic-main/src/main/java/net/sourceforge/subsonic/util/BoundedList.java b/subsonic-main/src/main/java/net/sourceforge/subsonic/util/BoundedList.java
new file mode 100644
index 00000000..fb240d5f
--- /dev/null
+++ b/subsonic-main/src/main/java/net/sourceforge/subsonic/util/BoundedList.java
@@ -0,0 +1,71 @@
+/*
+ This file is part of Subsonic.
+
+ Subsonic is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Subsonic is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Subsonic.  If not, see <http://www.gnu.org/licenses/>.
+
+ Copyright 2009 (C) Sindre Mehus
+ */
+package net.sourceforge.subsonic.util;
+
+import java.util.*;
+
+/**
+ * Simple implementation of a bounded list. If the maximum size is reached, adding a new element will
+ * remove the first element in the list.
+ *
+ * @author Sindre Mehus
+ * @version $Revision: 1.1 $ $Date: 2005/05/09 20:01:25 $
+ */
+public class BoundedList<E> extends LinkedList<E> {
+    private int maxSize;
+
+    /**
+     * Creates a new bounded list with the given maximum size.
+     * @param maxSize The maximum number of elements the list may hold.
+     */
+    public BoundedList(int maxSize) {
+        this.maxSize = maxSize;
+    }
+
+    /**
+     * Adds an element to the tail of the list. If the list is full, the first element is removed.
+     * @param e The element to add.
+     * @return Always <code>true</code>.
+     */
+    public boolean add(E e) {
+        if (isFull()) {
+            removeFirst();
+        }
+        return super.add(e);
+    }
+
+    /**
+     * Adds an element to the head of list. If the list is full, the last element is removed.
+     * @param e The element to add.
+     */
+    public void addFirst(E e) {
+        if (isFull()) {
+            removeLast();
+        }
+        super.addFirst(e);
+    }
+
+    /**
+     * Returns whether the list if full.
+     * @return Whether the list is full.
+     */
+    private boolean isFull() {
+        return size() == maxSize;
+    }
+}
-- 
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