/*
 * Copyright 2004-2010 the Seasar Foundation and the Others.
 *
 * 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 org.seasar.mayaa.impl.engine.specification.xpath;

import org.jaxen.BaseXPath;
import org.jaxen.JaxenException;
import org.jaxen.XPath;
import org.seasar.mayaa.engine.specification.Namespace;

/**
 * @author Masataka Kurihara (Gluegent, Inc.)
 */
public class SpecificationXPath extends BaseXPath {

    private static final long serialVersionUID = -4676164886549672326L;

    public static XPath createXPath(
            String xpathExpr, Namespace namespace) {
        try {
            XPath xpath = new SpecificationXPath(xpathExpr);
            if (namespace != null) {
                xpath.setNamespaceContext(
                        new NamespaceContextImpl(namespace));
            }
            return xpath;
        } catch (JaxenException e) {
            throw new RuntimeException(e);
        }
    }

    protected SpecificationXPath(String xpathExpr) throws JaxenException {
        super(xpathExpr, SpecificationNavigator.getInstance());
    }

}
