org.apache.jackrabbit.vault.fs.filter.IsNodeFilter 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.vault.fs.filter;
import javax.jcr.Item;
import javax.jcr.RepositoryException;
import org.apache.jackrabbit.vault.fs.api.DumpContext;
/**
* Item filter that checks if an item is a node.
*
*/
public class IsNodeFilter extends DepthItemFilter {
/**
* Polarity of this filter
*/
private boolean isNode = true;
/**
* Default constructor.
*/
public IsNodeFilter() {
super(1, Integer.MAX_VALUE);
}
/**
* Creates a new node item filter.
*
* @param polarity the polarity of this filter. if {@code true} it matches
* nodes, if {@code false} it matches properties.
* @param minDepth the minimum depth
* @param maxDepth the maximum depth
*
* @see DepthItemFilter
*/
public IsNodeFilter(boolean polarity, int minDepth, int maxDepth) {
super(minDepth, maxDepth);
isNode = polarity;
}
/**
* Creates a new node item filter
* @param polarity the polarity of this filter. if {@code true} it matches
* nodes, if {@code false} it matches properties.
*/
public IsNodeFilter(boolean polarity) {
this(polarity, 1, Integer.MAX_VALUE);
}
/**
* Sets the polarity of this filter. If set to {@code true} this filter
* matches nodes otherwise properties.
*
* @param polarity the polarity
*/
public void setPolarity(String polarity) {
setIsNode(polarity);
}
/**
* Sets the polarity of this filter. If set to {@code true} this filter
* matches nodes otherwise properties.
*
* @param polarity the polarity
*/
public void setIsNode(String polarity) {
isNode = Boolean.valueOf(polarity);
}
/**
* {@inheritDoc}
*
* Returns {@code true} if the item is a node and the polarity is
* positive (true).
*/
public boolean matches(Item item) throws RepositoryException {
return item.isNode() == isNode;
}
/**
* {@inheritDoc}
*/
public void dump(DumpContext ctx, boolean isLast) {
super.dump(ctx, isLast);
ctx.indent(isLast);
ctx.printf(true, "isNode: %b", isNode);
ctx.outdent();
}
}