1 files changed, 67 insertions, 0 deletions
diff --git a/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/loader/MultiSourcePackage.java b/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/loader/MultiSourcePackage.java
new file mode 100644
index 000000000..83eefc6c5
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+++ b/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/loader/MultiSourcePackage.java
@@ -0,0 +1,67 @@
+/*******************************************************************************
+ * Copyright (c) 2003, 2010 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.osgi.internal.loader;
+
+import java.net.URL;
+import java.util.*;
+
+public class MultiSourcePackage extends PackageSource {
+	SingleSourcePackage[] suppliers;
+
+	MultiSourcePackage(String id, SingleSourcePackage[] suppliers) {
+		super(id);
+		this.suppliers = suppliers;
+	}
+
+	public SingleSourcePackage[] getSuppliers() {
+		return suppliers;
+	}
+
+	public Class<?> loadClass(String name) throws ClassNotFoundException {
+		Class<?> result = null;
+		for (int i = 0; i < suppliers.length; i++) {
+			result = suppliers[i].loadClass(name);
+			if (result != null)
+				return result;
+		}
+		return result;
+	}
+
+	public URL getResource(String name) {
+		URL result = null;
+		for (int i = 0; i < suppliers.length; i++) {
+			result = suppliers[i].getResource(name);
+			if (result != null)
+				return result;
+		}
+		return result;
+	}
+
+	public Enumeration<URL> getResources(String name) {
+		Enumeration<URL> results = null;
+		for (int i = 0; i < suppliers.length; i++)
+			results = BundleLoader.compoundEnumerations(results, suppliers[i].getResources(name));
+		return results;
+	}
+
+	@Override
+	public Collection<String> listResources(String path, String filePattern) {
+		List<String> result = new ArrayList<String>();
+		for (SingleSourcePackage source : suppliers) {
+			Collection<String> sourceResources = source.listResources(path, filePattern);
+			for (String resource : sourceResources) {
+				if (!result.contains(resource))
+					result.add(resource);
+			}
+		}
+		return result;
+	}
+}