org.apache.jackrabbit.commons.predicate.NodeTypePredicate Maven / Gradle / Ivy
/*
* 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.commons.predicate;
import javax.jcr.Item;
import javax.jcr.Node;
import javax.jcr.RepositoryException;
/**
* Filters on the node type of a node.
*
*/
public class NodeTypePredicate extends DepthPredicate {
/**
* the nodetype to filter on
*/
protected final String nodeType;
/**
* indicates if supertypes should be respected
*/
protected final boolean respectSupertype;
/**
* Creates a new node type filter.
* @param nodeType the node type to filter on
* @param respectSupertype indicates if supertype should be respected
* @param minDepth the minimal depth
* @param maxDepth the maximal depth
*/
public NodeTypePredicate(String nodeType, boolean respectSupertype,
int minDepth, int maxDepth) {
super(minDepth, maxDepth);
this.nodeType = nodeType;
this.respectSupertype = respectSupertype;
}
/**
* Creates a new node type filter.
* @param nodeType the node type to filter on
* @param respectSupertype indicates if supertype should be respected
*/
public NodeTypePredicate(String nodeType, boolean respectSupertype) {
this(nodeType, respectSupertype, 0, Integer.MAX_VALUE);
}
/**
* Returns true if the item is a node and if the configured
* nodetype is equal to the primary type of the node. if supertypes are
* respected it also returns true if the items nodetype
* extends from the configured node type (Node.isNodeType() check).
* @see org.apache.jackrabbit.commons.predicate.DepthPredicate#matches(javax.jcr.Item)
*/
@Override
protected boolean matches(Item item) throws RepositoryException {
if (item.isNode()) {
if (respectSupertype) {
try {
return ((Node) item).isNodeType(nodeType);
} catch (RepositoryException e) {
// ignore
return false;
}
}
return ((Node) item).getPrimaryNodeType().getName().equals(nodeType);
}
return false;
}
}