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/*******************************************************************************
* Copyright (c) 2007, 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
* EclipseSource - ongoing development
*******************************************************************************/
package org.eclipse.equinox.internal.p2.metadata;
import org.eclipse.core.runtime.Assert;
import org.eclipse.equinox.p2.metadata.IProvidedCapability;
import org.eclipse.equinox.p2.metadata.Version;
/**
* Describes a capability as exposed or required by an installable unit
*/
public class ProvidedCapability implements IProvidedCapability {
private final String name;
private final String namespace;
private final Version version;
public ProvidedCapability(String namespace, String name, Version version) {
Assert.isNotNull(namespace);
Assert.isNotNull(name);
this.namespace = namespace;
this.name = name;
this.version = version == null ? Version.emptyVersion : version;
}
public boolean equals(Object other) {
if (other == null)
return false;
if (!(other instanceof IProvidedCapability))
return false;
IProvidedCapability otherCapability = (IProvidedCapability) other;
if (!(namespace.equals(otherCapability.getNamespace())))
return false;
if (!(name.equals(otherCapability.getName())))
return false;
return version.equals(otherCapability.getVersion());
}
public String getName() {
return name;
}
public String getNamespace() {
return namespace;
}
public Version getVersion() {
return version;
}
public int hashCode() {
return namespace.hashCode() * name.hashCode() * version.hashCode();
}
public String toString() {
return namespace + '/' + name + '/' + version;
}
}
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