/*
* 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 NamePath extends RelativePath {
/** Serial version UID */
private static final long serialVersionUID = -2887665244213430950L;
/**
* Name of the last path element.
*/
private final Name name;
/**
* Optional index of the last path element. Set to
* {@link Path#INDEX_UNDEFINED} if not explicitly specified,
* otherwise contains the 1-based index.
*/
private final int index;
public NamePath(Path parent, Name name, int index) {
super(parent);
assert name != null;
assert index >= 0;
this.name = name;
this.index = index;
}
protected int getDepthModifier() {
return 1;
}
protected Path getParent() throws RepositoryException {
if (parent != null) {
return parent;
} else {
return new CurrentPath(null);
}
}
protected String getElementString() {
if (index > Path.INDEX_DEFAULT) {
return name + "[" + index + "]";
} else {
return name.toString();
}
}
public Name getName() {
return name;
}
@Override
public int getIndex() {
return index;
}
@Override
public int getNormalizedIndex() {
if (index != INDEX_UNDEFINED) {
return index;
} else {
return INDEX_DEFAULT;
}
}
/**
* Returns <code>true</code> as this path ends in a named element.
*
* @return <code>true</code>
*/
@Override
public boolean denotesName() {
return true;
}
public boolean isCanonical() {
return parent != null && parent.isCanonical();
}
public boolean isNormalized() {
return parent == null
|| (parent.isNormalized()
&& !parent.denotesCurrent());
}
public Path getNormalizedPath() throws RepositoryException {
if (isNormalized()) {
return this;
} else {
// parent is guaranteed to be !null
Path normalized = parent.getNormalizedPath();
if (normalized.denotesCurrent()) {
normalized = null; // special case: ./a
}
return new NamePath(normalized, name, index);
}
}
public Path getCanonicalPath() throws RepositoryException {
if (isCanonical()) {
return this;
} else if (parent != null) {
return new NamePath(parent.getCanonicalPath(), name, index);
} else {
throw new RepositoryException(
"There is no canonical representation of " + this);
}
}
/**
* Returns the last element of this path.
*
* @return last element of this path
*/
@Override
public AbstractPath getLastElement() {
if (parent != null) {
return new NamePath(null, name, index);
} else {
return this;
}
}
//--------------------------------------------------------------< Object >
@Override
public final boolean equals(Object that) {
if (this == that) {
return true;
} else if (that instanceof Path) {
Path path = (Path) that;
return path.denotesName()
&& name.equals(path.getName())
&& getNormalizedIndex() == path.getNormalizedIndex()
&& super.equals(that);
} else {
return false;
}
}
@Override
public final int hashCode() {
return super.hashCode() * 37 + name.hashCode() + getNormalizedIndex();
}
}