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/*
* 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;
}
}
}
}
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