001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
013     */
014    
015    package com.liferay.portal.xml;
016    
017    import com.liferay.portal.kernel.util.StringPool;
018    
019    import javax.xml.stream.XMLEventReader;
020    import javax.xml.stream.XMLInputFactory;
021    import javax.xml.stream.XMLStreamException;
022    import javax.xml.stream.events.XMLEvent;
023    
024    /**
025     * @author Shuyang Zhou
026     * @author Brian Wing Shun Chan
027     */
028    public class StAXReaderUtil {
029    
030            public static XMLInputFactory getXMLInputFactory() {
031                    return _xmlInputFactory;
032            }
033    
034            public static String read(XMLEventReader xmlEventReader)
035                    throws XMLStreamException {
036    
037                    XMLEvent xmlEvent = xmlEventReader.peek();
038    
039                    if (xmlEvent.isCharacters()) {
040                            xmlEvent = xmlEventReader.nextEvent();
041    
042                            return xmlEvent.asCharacters().getData();
043                    }
044                    else {
045                            return StringPool.BLANK;
046                    }
047            }
048    
049            private static XMLInputFactory _xmlInputFactory =
050                    XMLInputFactory.newInstance();
051    
052    }