Main.java Source code

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//package com.java2s;
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 1997-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * Oracle and Java are registered trademarks of Oracle and/or its affiliates.
 * Other names may be trademarks of their respective owners.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common
 * Development and Distribution License("CDDL") (collectively, the
 * "License"). You may not use this file except in compliance with the
 * License. You can obtain a copy of the License at
 * http://www.netbeans.org/cddl-gplv2.html
 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
 * specific language governing permissions and limitations under the
 * License.  When distributing the software, include this License Header
 * Notice in each file and include the License file at
 * nbbuild/licenses/CDDL-GPL-2-CP.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the GPL Version 2 section of the License file that
 * accompanied this code. If applicable, add the following below the
 * License Header, with the fields enclosed by brackets [] replaced by
 * your own identifying information:
 * "Portions Copyrighted [year] [name of copyright owner]"
 *
 * Contributor(s):
 *
 * The Original Software is NetBeans. The Initial Developer of the Original
 * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
 * Microsystems, Inc. All Rights Reserved.
 *
 * If you wish your version of this file to be governed by only the CDDL
 * or only the GPL Version 2, indicate your decision by adding
 * "[Contributor] elects to include this software in this distribution
 * under the [CDDL or GPL Version 2] license." If you do not indicate a
 * single choice of license, a recipient has the option to distribute
 * your version of this file under either the CDDL, the GPL Version 2 or
 * to extend the choice of license to its licensees as provided above.
 * However, if you add GPL Version 2 code and therefore, elected the GPL
 * Version 2 license, then the option applies only if the new code is
 * made subject to such option by the copyright holder.
 */

import javax.xml.parsers.FactoryConfigurationError;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParserFactory;

import org.xml.sax.SAXException;

import org.xml.sax.XMLReader;

public class Main {
    private static SAXParserFactory[][] saxes = new SAXParserFactory[2][2];

    /**
     * Create a simple parser.
     *
     * @return <code>createXMLReader(false, false)</code>
     * @throws SAXException if a parser fulfilling given parameters can not be
     *                      created
     */
    public static XMLReader createXMLReader() throws SAXException {
        return createXMLReader(false, false);
    }

    /**
     * Create a simple parser, possibly validating.
     *
     * @param validate if true, a validating parser is returned
     * @return <code>createXMLReader(validate, false)</code>
     * @throws SAXException if a parser fulfilling given parameters can not be
     *                      created
     */
    public static XMLReader createXMLReader(boolean validate) throws SAXException {
        return createXMLReader(validate, false);
    }

    /**
     * Creates a SAX parser.
     *
     * <p>
     * See {@link #parse} for hints on setting an entity resolver.
     *
     * @param validate       if true, a validating parser is returned
     * @param namespaceAware if true, a namespace aware parser is returned
     *
     * @throws FactoryConfigurationError Application developers should never
     *                                   need to directly catch errors of this
     *                                   type.
     * @throws SAXException              if a parser fulfilling given parameters
     *                                   can not be created
     *
     * @return XMLReader configured according to passed parameters
     */
    public static synchronized XMLReader createXMLReader(boolean validate, boolean namespaceAware)
            throws SAXException {
        SAXParserFactory factory = saxes[validate ? 0 : 1][namespaceAware ? 0 : 1];
        if (factory == null) {
            try {
                factory = SAXParserFactory.newInstance();
            } catch (FactoryConfigurationError err) {
                throw err;
            }
            factory.setValidating(validate);
            factory.setNamespaceAware(namespaceAware);
            saxes[validate ? 0 : 1][namespaceAware ? 0 : 1] = factory;
        }

        try {
            return factory.newSAXParser().getXMLReader();
        } catch (ParserConfigurationException ex) {
            throw new SAXException("Cannot create parser satisfying configuration parameters", ex); // NOI18N
        }
    }
}