components/visual-panels/core/src/java/util/com/oracle/solaris/vp/util/misc/AggregatingLoader.java
changeset 827 0944d8c0158b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/components/visual-panels/core/src/java/util/com/oracle/solaris/vp/util/misc/AggregatingLoader.java	Thu May 24 04:16:47 2012 -0400
@@ -0,0 +1,60 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
+ */
+
+package com.oracle.solaris.vp.util.misc;
+
+import java.io.File;
+import java.net.*;
+import java.util.*;
+
+public class AggregatingLoader extends URLClassLoader
+{
+	private Set<URL> jars = new HashSet<URL>();
+
+	public AggregatingLoader(ClassLoader parent)
+	{
+		super(new URL[0], parent);
+	}
+
+	public void addJar(String path)
+	{
+		File f = new File(path);
+		if (!f.exists())
+			return;
+
+		URL url;
+		try {
+			url = f.toURI().toURL();
+		} catch (MalformedURLException e) {
+			return;
+		}
+
+		if (jars.contains(url))
+			return;
+
+		jars.add(url);
+		addURL(url);
+	}
+}