/*
* $Id$
* This file is a part of the Arakhne Foundation Classes, http://www.arakhne.org/afc
*
* Copyright (c) 2000-2012 Stephane GALLAND.
* Copyright (c) 2005-10, Multiagent Team, Laboratoire Systemes et Transports,
* Universite de Technologie de Belfort-Montbeliard.
* Copyright (c) 2013-2016 The original authors, and other authors.
*
* 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.arakhne.afc.inputoutput.xml;
import org.w3c.dom.Element;
/**
* Matches the attribute "id" with the given value.
*
* @param <E> is the type of the attribute value to test.
* @author $Author: sgalland$
* @version $FullVersion$
* @mavengroupid $GroupId$
* @mavenartifactid $ArtifactId$
* @since 14.0
*/
public abstract class XMLValueConstraint<E> implements XMLConstraint {
private final String name;
private final E value;
/**
* @param name is the name of the attribute to test with the given value.
* @param value is the value to match.
*/
public XMLValueConstraint(String name, E value) {
this.name = name;
this.value = value;
}
/** Invoked to convert the string into the value to test.
*
* @param stringValue the value to convert.
* @return the value to test.
*/
protected abstract E convertValue(String stringValue);
@Override
public boolean isValidElement(Element element) {
final String sv = XMLUtil.getAttributeValueWithDefault(element, null, this.name);
final E v = (sv == null) ? null : convertValue(sv);
return v == this.value || (v != null && v.equals(this.value));
}
}