Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2010-2016 ksyun.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://ksyun.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file 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.
 */

import javax.xml.parsers.DocumentBuilderFactory;

public class Main {
    /** The default property name to load the Xalan Document Builder Factory. */
    private static final String DOCUMENT_BUILDER_FACTORY_PROP_NAME = "javax.xml.parsers.DocumentBuilderFactory";
    /** The FQCN of the desired DocumentBuilderFactory implementation. */
    private static final String DOCUMENT_BUILDER_FACTORY_IMPL_CLASS_NAME = "com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl";

    /**
     * Used to optimize performance by avoiding expensive file access every time
     * a DocumentBuilderFactory is constructed as a result of constructing a
     * Xalan document factory.
     */
    private static void speedUpDcoumentBuilderFactory() {
        if (System.getProperty(DOCUMENT_BUILDER_FACTORY_PROP_NAME) == null) {
            DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
            if (DOCUMENT_BUILDER_FACTORY_IMPL_CLASS_NAME.equals(factory.getClass().getName())) {
                // This would avoid the file system to be accessed every time
                // the internal DocumentBuilderFactory is instantiated.
                System.setProperty(DOCUMENT_BUILDER_FACTORY_PROP_NAME, DOCUMENT_BUILDER_FACTORY_IMPL_CLASS_NAME);
            }
        }
    }
}