/*
* ========================================================================
*
* Copyright 2005 Tim O'Brien.
*
* Licensed 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 com.discursive.jccook.collections.predicate;
import org.apache.commons.beanutils.PropertyUtils;
import org.apache.commons.collections.Predicate;
public class PropertyPredicate implements Predicate {
private String property;
private Object matchValue = null;
public PropertyPredicate(String property) {
this.property = property;
}
public PropertyPredicate(String property, Object matchValue) {
this.property = property;
this.matchValue = matchValue;
}
public boolean evaluate(Object object) {
boolean propertyFound = false;
try {
Object value = PropertyUtils.getProperty( object, property );
if( value != null ) {
if( matchValue != null ) {
propertyFound = matchValue.equals( value );
} else {
propertyFound = true;
}
}
} catch(Exception e) {
// If there was an exception, the predicate returns false
}
return propertyFound;
}
}
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