/**
* Licensed to Apereo under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright ownership. Apereo
* licenses this file to you 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 the
* following location:
*
* <p>http://www.apache.org/licenses/LICENSE-2.0
*
* <p>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.apereo.portal.xml.xpath;
import java.util.Map;
import javax.xml.namespace.QName;
import javax.xml.xpath.XPathVariableResolver;
/**
*/
class ThreadLocalXPathVariableResolver implements XPathVariableResolver {
private final ThreadLocal<Map<String, ?>> localVariables = new ThreadLocal<Map<String, ?>>();
public void setVariables(Map<String, ?> variables) {
this.localVariables.set(variables);
}
public void clearVariables() {
this.localVariables.set(null);
}
/* (non-Javadoc)
* @see javax.xml.xpath.XPathVariableResolver#resolveVariable(javax.xml.namespace.String)
*/
@Override
public Object resolveVariable(QName variableName) {
final Map<String, ?> variables = this.localVariables.get();
if (variables == null) {
return null;
}
final String localPart = variableName.getLocalPart();
return variables.get(localPart);
}
}