/**
* This file Copyright (c) 2013 Magnolia International
* Ltd. (http://www.magnolia-cms.com). All rights reserved.
*
*
* This file is dual-licensed under both the Magnolia
* Network Agreement and the GNU General Public License.
* You may elect to use one or the other of these licenses.
*
* This file is distributed in the hope that it will be
* useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
* Redistribution, except as permitted by whichever of the GPL
* or MNA you select, is prohibited.
*
* 1. For the GPL license (GPL), you can redistribute and/or
* modify this file under the terms of the GNU General
* Public License, Version 3, as published by the Free Software
* Foundation. You should have received a copy of the GNU
* General Public License, Version 3 along with this program;
* if not, write to the Free Software Foundation, Inc., 51
* Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* 2. For the Magnolia Network Agreement (MNA), this file
* and the accompanying materials are made available under the
* terms of the MNA which accompanies this distribution, and
* is available at http://www.magnolia-cms.com/mna.html
*
* Any modifications to this file must keep this entire header
* intact.
*
*/
package info.magnolia.jcr.predicate;
import javax.jcr.Property;
import javax.jcr.PropertyType;
import javax.jcr.RepositoryException;
/**
* Simple predicate implementation that filter property based on the desired value.
* Return only properties that have a value equals to the value passed as constructor.
* If value is set to null, return only properties that have a null value.
* If the property is not of the type {@PropertyType.STRING} return false.
*/
public class StringPropertyValueFilterPredicate extends AbstractPredicate<Property> {
private String value;
public StringPropertyValueFilterPredicate(String value) {
this.value = value;
}
@Override
public boolean evaluateTyped(Property property) {
try {
if(value == null) {
return property.getString() == null;
} else if(property.getValue() == null || property.getType() != PropertyType.STRING) {
return false;
} else {
return value.equals(property.getString());
}
} catch (RepositoryException e) {
// either invalid or not accessible to the current user
return false;
}
}
}