Java XPath Create getXPathExpression(String xpath, NamespaceContext namespaceContext)

Description

get X Path Expression

License

Open Source License

Declaration

private static XPathExpression getXPathExpression(String xpath,
            NamespaceContext namespaceContext)
            throws XPathExpressionException 

Method Source Code

//package com.java2s;
/**/* ww  w .  j  ava  2  s . co  m*/
 * Copyright (C) 2011-2012 The XDocReport Team <xdocreport@googlegroups.com>
 *
 * All rights reserved.
 *
 * Permission is hereby granted, free  of charge, to any person obtaining
 * a  copy  of this  software  and  associated  documentation files  (the
 * "Software"), to  deal in  the Software without  restriction, including
 * without limitation  the rights to  use, copy, modify,  merge, publish,
 * distribute,  sublicense, and/or sell  copies of  the Software,  and to
 * permit persons to whom the Software  is furnished to do so, subject to
 * the following conditions:
 *
 * The  above  copyright  notice  and  this permission  notice  shall  be
 * included in all copies or substantial portions of the Software.
 *
 * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
 * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
 * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

import javax.xml.namespace.NamespaceContext;

import javax.xml.xpath.XPath;

import javax.xml.xpath.XPathExpression;
import javax.xml.xpath.XPathExpressionException;
import javax.xml.xpath.XPathFactory;

public class Main {
    private static XPathFactory factory;

    private static XPathExpression getXPathExpression(String xpath,
            NamespaceContext namespaceContext)
            throws XPathExpressionException {
        return createXPathExpression(xpath, namespaceContext);

    }

    private static XPathExpression createXPathExpression(String expression,
            NamespaceContext namespaceContext)
            throws XPathExpressionException {
        XPath xpath = getFactory().newXPath();
        if (namespaceContext != null) {
            xpath.setNamespaceContext(namespaceContext);
        }
        XPathExpression expr = xpath.compile(expression);
        return expr;
    }

    public static XPathFactory getFactory() {
        if (factory == null) {
            factory = createFactory();
        }
        return factory;
    }

    private static XPathFactory createFactory() {
        return XPathFactory.newInstance();
    }
}

Related

1. getXPath(String exp, NamespaceContext ctx)
2. getXPath(String expression)
3. getXPathExpression(final Node node)
4. getXPathExpression(String expression)
5. getXPathExpression(String path)
6. getXPathExpression(String xpathStr)
7. getXPathExpression(String xPathString)
8. getXpathExpressionNode(Object xprContext, String xpExpression)
9. getXpathExpressionValue(Object xprContext, String xpExpression)