java/alt2xml-out-xpath/src/cz/frantovo/alt2xml/out/xpath/CompoundVariableResolver.java
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/java/alt2xml-out-xpath/src/cz/frantovo/alt2xml/out/xpath/CompoundVariableResolver.java Sun Sep 07 01:28:07 2014 +0200
1.3 @@ -0,0 +1,45 @@
1.4 +/**
1.5 + * Alt2XML
1.6 + * Copyright © 2014 František Kučera (frantovo.cz)
1.7 + *
1.8 + * This program is free software: you can redistribute it and/or modify
1.9 + * it under the terms of the GNU General Public License as published by
1.10 + * the Free Software Foundation, either version 3 of the License, or
1.11 + * (at your option) any later version.
1.12 + *
1.13 + * This program is distributed in the hope that it will be useful,
1.14 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.15 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.16 + * GNU General Public License for more details.
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License
1.19 + * along with this program. If not, see <http://www.gnu.org/licenses/>.
1.20 + */
1.21 +package cz.frantovo.alt2xml.out.xpath;
1.22 +
1.23 +import javax.xml.namespace.QName;
1.24 +import javax.xml.xpath.XPathVariableResolver;
1.25 +
1.26 +/**
1.27 + *
1.28 + * @author Ing. František Kučera (frantovo.cz)
1.29 + */
1.30 +public class CompoundVariableResolver implements XPathVariableResolver {
1.31 +
1.32 + private final XPathVariableResolver[] resolvers;
1.33 +
1.34 + public CompoundVariableResolver(XPathVariableResolver... resolvers) {
1.35 + this.resolvers = resolvers;
1.36 + }
1.37 +
1.38 + @Override
1.39 + public Object resolveVariable(QName variableName) {
1.40 + for (XPathVariableResolver r : resolvers) {
1.41 + Object value = r.resolveVariable(variableName);
1.42 + if (value != null) {
1.43 + return value;
1.44 + }
1.45 + }
1.46 + return null;
1.47 + }
1.48 +}