1 files changed, 136 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/BundleReference.java b/sca-java-2.x/tags/2.0.1-RC1/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/BundleReference.java
new file mode 100644
index 0000000000..3f82f6fb17
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/BundleReference.java
@@ -0,0 +1,136 @@
+/*
+ * 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;
+
+import org.osgi.framework.Bundle;
+import org.osgi.framework.Constants;
+
+/**
+ * A reference to an OSGi bundle
+ *
+ * @version $Rev$ $Date$
+ */
+public class BundleReference {
+
+    /**
+     * The bundle.
+     */
+    private Bundle bundle;
+
+    /**
+     * The bundle version.
+     */
+    private String version;
+
+    /**
+     * The bundle name and version.
+     */
+    private String symbolicName;
+
+    /**
+     * Constructs a new BundleReference.
+     * 
+     * @param bundle
+     */
+    public BundleReference(Bundle bundle) {
+        this.bundle = bundle;
+        this.symbolicName = bundle.getSymbolicName();
+        this.version = (String)bundle.getHeaders().get(Constants.BUNDLE_VERSION);
+    }
+
+    /**
+     * Constructs a new BundleReference.
+     * 
+     * @param bundleSymbolicName The bundle symbolic name
+     * @param bundleVersion The bundle version
+     */
+    public BundleReference(String bundleSymbolicName, String bundleVersion) {
+        this.version = bundleVersion;
+        this.symbolicName = bundleSymbolicName;
+    }
+
+    /**
+     * Get the referenced bundle.
+     * 
+     * @return The referenced bundle
+     */
+    public Bundle getBundle() {
+        return bundle;
+    }
+
+    /**
+     * Get the referenced bundle version.
+     * 
+     * @return The bundle version
+     */
+    public String getVersion() {
+        return version;
+    }
+
+    /**
+     * Get the referenced bundle name and version.
+     * 
+     * @return The bundle name
+     */
+    public String getSymbolicName() {
+        return symbolicName;
+    }
+
+    /**
+     * 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() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((symbolicName == null) ? 0 : symbolicName.hashCode());
+        result = prime * result + ((version == null) ? 0 : version.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        BundleReference other = (BundleReference)obj;
+        if (symbolicName == null) {
+            if (other.symbolicName != null)
+                return false;
+        } else if (!symbolicName.equals(other.symbolicName))
+            return false;
+        if (version == null) {
+            if (other.version != null)
+                return false;
+        } else if (!version.equals(other.version))
+            return false;
+        return true;
+    }
+
+}