/*
* JBoss DNA (http://www.jboss.org/dna)
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
* See the AUTHORS.txt file in the distribution for a full listing of
* individual contributors.
*
* JBoss DNA is free software. Unless otherwise indicated, all code in JBoss DNA
* is licensed to you under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* JBoss DNA is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.dna.graph.property.basic;
import net.jcip.annotations.Immutable;
import org.jboss.dna.graph.property.NamespaceRegistry;
import org.jboss.dna.graph.property.NamespaceRegistry.Namespace;
/**
* Basic implementation of a {@link NamespaceRegistry} namespace.
*/
@Immutable
public class BasicNamespace implements NamespaceRegistry.Namespace {
private final String prefix;
private final String namespaceUri;
/**
* Create a namespace instance.
*
* @param prefix the namespace prefix; may not be null (this is not checked)
* @param namespaceUri the namespace URI; may not be null (this is not checked)
*/
public BasicNamespace( String prefix,
String namespaceUri ) {
assert prefix != null;
assert namespaceUri != null;
this.prefix = prefix;
this.namespaceUri = namespaceUri;
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.property.NamespaceRegistry.Namespace#getNamespaceUri()
*/
public String getNamespaceUri() {
return namespaceUri;
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.property.NamespaceRegistry.Namespace#getPrefix()
*/
public String getPrefix() {
return prefix;
}
/**
* {@inheritDoc}
*
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
return namespaceUri.hashCode();
}
/**
* {@inheritDoc}
*
* @see java.lang.Comparable#compareTo(java.lang.Object)
*/
public int compareTo( Namespace that ) {
if (that == null) return 1;
if (this == that) return 0;
return this.getNamespaceUri().compareTo(that.getNamespaceUri());
}
/**
* {@inheritDoc}
*
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals( Object obj ) {
if (obj == this) return true;
if (obj instanceof Namespace) {
Namespace that = (Namespace)obj;
if (!this.namespaceUri.equals(that.getNamespaceUri())) return false;
// if (!this.prefix.equals(that.getPrefix())) return false;
return true;
}
return false;
}
/**
* {@inheritDoc}
*
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
return prefix + "=" + namespaceUri;
}
}