1 files changed, 161 insertions, 0 deletions
diff --git a/tags/java/sca/1.5.1-RC4/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/BundleReference.java b/tags/java/sca/1.5.1-RC4/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/BundleReference.java
new file mode 100644
index 0000000000..0bbb8b707a
--- /dev/null
+++ b/tags/java/sca/1.5.1-RC4/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/BundleReference.java
@@ -0,0 +1,161 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.contribution.osgi;
+
+
+/**
+ * A weak reference to a class, which should be used to register classes
+ * with an ArtifactResolver and resolve these classes later.
+ *
+ * @version $Rev$ $Date$
+ */
+public class BundleReference {
+
+    /**
+     * The bundle.
+     */
+    private Object bundle;
+
+    /**
+     * The bundle name.
+     */
+    private String bundleName;
+
+    /**
+     * The bundle version.
+     */
+    private String bundleVersion;
+
+    /**
+     * The bundle name and version.
+     */
+    private String bundleUniqueName;
+
+    /**
+     * The bundle relative path.
+     */
+    private String bundleRelativePath;
+
+    /**
+     * Constructs a new BundleReference.
+     * 
+     * @param bundle The bundle reference
+     * @param bundleName The bundle name
+     * @param bundleVersion The bundle version
+     * @param bundleRelativePath The relative path for the bundle
+     */
+    public BundleReference(Object bundle, String bundleName, String bundleVersion, String bundleRelativePath) {
+        this.bundle = bundle;
+        this.bundleName = bundleName;
+        this.bundleVersion = bundleVersion;       
+        this.bundleRelativePath = bundleRelativePath;
+        this.bundleUniqueName = bundleName + "(" + (bundleVersion == null?"0.0.0":bundleVersion) + ")";
+    }
+    
+    /**
+     * Constructs a new BundleReference.
+     * 
+     * @param bundleName The bundle name
+     * @param bundleVersion The bundle version
+     */
+    public BundleReference(String bundleName, String bundleVersion) {
+        this.bundleName = bundleName;
+        this.bundleVersion = bundleVersion;
+        this.bundleUniqueName = bundleName + "(" + (bundleVersion == null?"0.0.0":bundleVersion) + ")";
+    }
+    
+    /**
+     * Get the referenced bundle.
+     * 
+     * @return The referenced bundle
+     */
+    public Object getBundle() {
+        return bundle;
+    }
+    
+    /**
+     * Get the referenced bundle name.
+     * 
+     * @return The bundle name
+     */
+    public String getBundleName() {
+        return bundleName;
+    }
+    
+    /**
+     * Get the referenced bundle version.
+     * 
+     * @return The bundle version
+     */
+    public String getBundleVersion() {
+        return bundleVersion;
+    }
+    
+    /**
+     * Get the referenced bundle name and version.
+     * 
+     * @return The bundle name
+     */
+    public String getBundleUniqueName() {
+        return bundleUniqueName;
+    }
+    
+    /**
+     * Get the relative location of the bundle inside its contribution.
+     * 
+     * @return The bundle path
+     */
+    public String getBundleRelativePath() {
+        return bundleRelativePath;
+    }
+    
+    
+    
+    /**
+     * Returns true if the bundle reference is unresolved.
+     * 
+     * @return Whether or not the bundle has been resolved
+     */
+    public boolean isUnresolved() {
+        return bundle == null;
+    }
+
+    @Override
+    public int hashCode() {
+        return bundleUniqueName.hashCode();
+    }
+    
+    @Override
+    public boolean equals(Object obj) {
+        if (obj == this) {
+            return true;
+        } else {
+            if (obj instanceof BundleReference) {
+                BundleReference ref = (BundleReference)obj;
+                return bundleName.equals(ref.bundleName) &&
+                       (bundleVersion == null || ref.bundleVersion == null ||
+                        bundleVersion.equals(ref.bundleVersion));
+            } else {
+                return false;
+            }
+        }
+    }
+
+}