/**
* Copyright (C) 2015 Valkyrie RCP
*
* 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 org.valkyriercp.rules.constraint.property;
import org.valkyriercp.binding.PropertyAccessStrategy;
import org.valkyriercp.rules.constraint.Required;
/**
* Predicate that tests if the specified bean property is "present" - that is,
* passes the "Required" test.
*
* @author Keith Donald
* @see Required
*/
public class PropertyPresent extends AbstractPropertyConstraint {
/**
* Constructs a property present predicate for the specified property.
*
* @param propertyName
* The bean property name.
*/
public PropertyPresent(String propertyName) {
super(propertyName);
}
protected boolean test(PropertyAccessStrategy domainObjectAccessStrategy) {
return Required.instance().test(domainObjectAccessStrategy.getPropertyValue(getPropertyName()));
}
public String toString() {
return "required if '" + getPropertyName() + "' present";
}
}