org.mycore.common.xml.MCRAttributeValueFilter Maven / Gradle / Ivy
/*
* This file is part of *** M y C o R e ***
* See http://www.mycore.de/ for details.
*
* MyCoRe is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* MyCoRe is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MyCoRe. If not, see .
*/
package org.mycore.common.xml;
import org.jdom2.Element;
import org.jdom2.Namespace;
import org.jdom2.filter.ElementFilter;
/**
* A jdom-filter which compares attribute values.
*/
public class MCRAttributeValueFilter extends ElementFilter {
private static final long serialVersionUID = 1L;
protected String attrKey;
protected String attrValue;
protected Namespace ns;
public MCRAttributeValueFilter(String attrKey, Namespace ns, String attrValue) {
super();
this.attrKey = attrKey;
this.attrValue = attrValue;
this.ns = ns;
}
public Element filter(Object arg0) {
Element e = super.filter(arg0);
if (e == null) {
return null;
}
String value = e.getAttributeValue(attrKey, ns);
return (value != null && value.equals(attrValue)) ? e : null;
}
}