Java XML DocumentBuilder Create getDocumentBuilder()

Description

get Document Builder

License

Open Source License

Declaration

private static DocumentBuilder getDocumentBuilder()
            throws ParserConfigurationException 

Method Source Code

//package com.java2s;
/* J_LZ_COPYRIGHT_BEGIN *******************************************************
 * Copyright 2006-2008, 2011 Laszlo Systems, Inc.  All Rights Reserved.        *
 * Use is subject to license terms.                                            *
 * J_LZ_COPYRIGHT_END *********************************************************/

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

public class Main {
    private static DocumentBuilderFactory documentBuilderFactory;
    private static DocumentBuilder documentBuilder;

    private static DocumentBuilder getDocumentBuilder()
            throws ParserConfigurationException {
        DocumentBuilder builder = documentBuilder;
        if (builder == null) {
            builder = getDocumentBuilderFactory().newDocumentBuilder();
            documentBuilder = builder;/*  w ww  .  ja v a 2  s .  c  o m*/
        } else {
            try {
                builder.reset();
            } catch (UnsupportedOperationException e) {
            }
        }
        return builder;
    }

    private static DocumentBuilderFactory getDocumentBuilderFactory() {
        DocumentBuilderFactory factory = documentBuilderFactory;
        if (factory == null) {
            factory = DocumentBuilderFactory.newInstance();
            factory.setValidating(false);
            documentBuilderFactory = factory;
        }
        return factory;
    }
}

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9. getDocumentBuilder()