/*
* 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.jackrabbit.spi.commons.name;
import javax.jcr.RepositoryException;
import org.apache.jackrabbit.spi.Name;
import org.apache.jackrabbit.spi.Path;
final class IdentifierPath extends AbstractPath {
/** Serial version UID */
private static final long serialVersionUID = 1602959709588338642L;
private final String identifier;
public IdentifierPath(String identifier) {
assert identifier != null;
this.identifier = identifier;
}
/**
* Returns <code>null</code> as an identifier element has no name.
*
* @return <code>null</code>
*/
public Name getName() {
return null;
}
public String getIdentifier() {
return identifier;
}
/**
* Returns <code>true</code> as this is an identifier-based path.
*
* @return <code>true</code>
*/
@Override
public boolean denotesIdentifier() {
return true;
}
/**
* Returns <code>true</code> as this is an identifier-based path.
*
* @return <code>true</code>
*/
public boolean isIdentifierBased() {
return true;
}
/**
* Returns <code>true</code> as an identifier-based path with no other
* elements is absolute.
*
* @return <code>true</code>
*/
public boolean isAbsolute() {
return true;
}
/**
* Returns <code>true</code> as an identifier-based path with no other
* elements is canonical.
*
* @return <code>true</code>
*/
public boolean isCanonical() {
return true;
}
/**
* Returns <code>false</code> as an identifier-based path is never
* normalized.
*
* @return <code>false</code>
*/
public boolean isNormalized() {
return false;
}
public Path getNormalizedPath() throws RepositoryException {
throw new RepositoryException(
"Cannot normalize the identifier-based path " + this);
}
public Path getCanonicalPath() {
return this;
}
public Path getAncestor(int degree)
throws IllegalArgumentException, RepositoryException {
if (degree < 0) {
throw new IllegalArgumentException(
this + ".getAncestor(" + degree + ")");
} else if (degree > 0) {
throw new RepositoryException(
"Cannot construct ancestor path from an identifier");
} else {
return this;
}
}
public int getAncestorCount() {
return 0;
}
public int getLength() {
return 1;
}
public int getDepth() {
return 0;
}
public Path subPath(int from, int to) throws IllegalArgumentException {
if (from == 0 && to == 1) {
return this;
} else {
throw new IllegalArgumentException(
this + ".subPath(" + from + ", " + to + ")");
}
}
public Element[] getElements() {
return new Element[] { getNameElement() };
}
public String getString() {
return "[" + identifier + "]";
}
//--------------------------------------------------------------< Object >
public final boolean equals(Object that) {
if (this == that) {
return true;
} else if (that instanceof Path) {
Path path = (Path) that;
return path.denotesIdentifier()
&& identifier.equals(path.getIdentifier());
} else {
return false;
}
}
public final int hashCode() {
return identifier.hashCode();
}
}