franta-hg@97: /**
franta-hg@97:  * Alt2XML
franta-hg@97:  * Copyright © 2014 František Kučera (frantovo.cz)
franta-hg@97:  *
franta-hg@97:  * This program is free software: you can redistribute it and/or modify
franta-hg@97:  * it under the terms of the GNU General Public License as published by
franta-hg@111:  * the Free Software Foundation, version 3 of the License.
franta-hg@97:  *
franta-hg@97:  * This program is distributed in the hope that it will be useful,
franta-hg@97:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
franta-hg@97:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
franta-hg@97:  * GNU General Public License for more details.
franta-hg@97:  *
franta-hg@97:  * You should have received a copy of the GNU General Public License
franta-hg@97:  * along with this program. If not, see <http://www.gnu.org/licenses/>.
franta-hg@97:  */
franta-hg@97: package cz.frantovo.alt2xml.out.xpath;
franta-hg@97: 
franta-hg@97: import javax.xml.namespace.QName;
franta-hg@97: import javax.xml.xpath.XPathVariableResolver;
franta-hg@97: 
franta-hg@97: /**
franta-hg@97:  *
franta-hg@97:  * @author Ing. František Kučera (frantovo.cz)
franta-hg@97:  */
franta-hg@97: public class CompoundVariableResolver implements XPathVariableResolver {
franta-hg@97: 
franta-hg@97: 	private final XPathVariableResolver[] resolvers;
franta-hg@97: 
franta-hg@97: 	public CompoundVariableResolver(XPathVariableResolver... resolvers) {
franta-hg@97: 		this.resolvers = resolvers;
franta-hg@97: 	}
franta-hg@97: 
franta-hg@97: 	@Override
franta-hg@97: 	public Object resolveVariable(QName variableName) {
franta-hg@97: 		for (XPathVariableResolver r : resolvers) {
franta-hg@97: 			Object value = r.resolveVariable(variableName);
franta-hg@97: 			if (value != null) {
franta-hg@97: 				return value;
franta-hg@97: 			}
franta-hg@97: 		}
franta-hg@97: 		return null;
franta-hg@97: 	}
franta-hg@97: }