com.predic8.membrane.core.util.SynchronizedXPathFactory Maven / Gradle / Ivy
/* Copyright 2012 predic8 GmbH, www.predic8.com
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 com.predic8.membrane.core.util;
import java.util.Map;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathFactory;
public class SynchronizedXPathFactory {
private static XPathFactory fac = XPathFactory.newInstance();
/*
* Used to creat XPath objects, because XPathFactory is not thread-save and re-entrant.
*/
public static synchronized XPath newXPath(Map namespaces) {
XPath xPath = fac.newXPath();
if ( namespaces != null) {
xPath.setNamespaceContext(new MapNamespaceContext(namespaces));
return xPath;
}
return xPath;
}
}