1 files changed, 96 insertions, 0 deletions
diff --git a/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/baseadaptor/loader/ClasspathEntry.java b/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/baseadaptor/loader/ClasspathEntry.java
new file mode 100644
index 000000000..27fc5c4a6
--- /dev/null
+++ b/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/baseadaptor/loader/ClasspathEntry.java
@@ -0,0 +1,96 @@
+/*******************************************************************************
+ * Copyright (c) 2005, 2009 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.baseadaptor.loader;
+
+import java.security.ProtectionDomain;
+import org.eclipse.osgi.baseadaptor.BaseData;
+import org.eclipse.osgi.baseadaptor.bundlefile.BundleFile;
+import org.eclipse.osgi.framework.util.KeyedElement;
+import org.eclipse.osgi.framework.util.KeyedHashSet;
+
+/**
+ * A ClasspathEntry contains a single <code>BundleFile</code> which is used as 
+ * a source to load classes and resources from, and a single 
+ * <code>ProtectionDomain</code> which is used as the domain to define classes 
+ * loaded from this ClasspathEntry.
+ * @since 3.2
+ */
+public class ClasspathEntry {
+	private final BundleFile bundlefile;
+	private final ProtectionDomain domain;
+	private KeyedHashSet userObjects = null;
+	// Note that PDE has internal dependency on this field type/name (bug 267238)
+	private volatile BaseData data;
+
+	/**
+	 * Constructs a ClasspathElement with the specified bundlefile and domain
+	 * @param bundlefile A BundleFile object which acts as a source
+	 * @param domain the ProtectDomain for all code loaded from this classpath element
+	 */
+	public ClasspathEntry(BundleFile bundlefile, ProtectionDomain domain) {
+		this.bundlefile = bundlefile;
+		this.domain = domain;
+	}
+
+	/**
+	 * Returns the source BundleFile for this classpath entry
+	 * @return the source BundleFile for this classpath entry
+	 */
+	public BundleFile getBundleFile() {
+		return bundlefile;
+	}
+
+	/**
+	 * Returns the base data which this entry is associated with.  This can be
+	 * either a host or fragment base data.
+	 */
+	public BaseData getBaseData() {
+		return data;
+	}
+
+	void setBaseData(BaseData data) {
+		this.data = data;
+	}
+
+	/**
+	 * Returns the ProtectionDomain for this classpath entry
+	 * @return the ProtectionDomain for this classpath entry
+	 */
+	public ProtectionDomain getDomain() {
+		return domain;
+	}
+
+	/**
+	 * Returns a user object which is keyed by the specified key
+	 * @param key the key of the user object to get
+	 * @return a user object which is keyed by the specified key
+	 */
+	public Object getUserObject(Object key) {
+		if (userObjects == null)
+			return null;
+		synchronized (userObjects) {
+			return userObjects.getByKey(key);
+		}
+	}
+
+	/**
+	 * Adds a user object
+	 * @param userObject the user object to add
+	 */
+	public synchronized void addUserObject(KeyedElement userObject) {
+		if (userObjects == null)
+			userObjects = new KeyedHashSet(5, false);
+		synchronized (userObjects) {
+			userObjects.add(userObject);
+		}
+	}
+}