01: /*
02: * Copyright 2008 Outerthought bvba and Schaubroeck nv
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16: package org.outerj.daisy.xmlutil;
17:
18: import javax.xml.xpath.XPathFactory;
19:
20: /**
21: * Manages a ThreadLocal-based-cached XPathFactory instance.
22: */
23: public class LocalXPathFactory {
24: private static ThreadLocal<XPathFactory> LOCAL = new ThreadLocal<XPathFactory>() {
25: protected XPathFactory initialValue() {
26: XPathFactory xpathFactory = XPathFactory.newInstance();
27: return xpathFactory;
28: }
29: };
30:
31: public static XPathFactory get() {
32: return LOCAL.get();
33: }
34: }
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