001    /**
002     * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portlet.documentlibrary.antivirus;
016    
017    import com.liferay.portal.kernel.exception.SystemException;
018    
019    import java.io.File;
020    import java.io.InputStream;
021    
022    /**
023     * @author Michael C. Han
024     */
025    public class AntivirusScannerUtil {
026    
027            public static AntivirusScanner getAntivirusScanner() {
028                    return _antivirusScanner;
029            }
030    
031            public static boolean isActive() {
032                    if (_antivirusScanner == null) {
033                            return false;
034                    }
035                    else {
036                            return _antivirusScanner.isActive();
037                    }
038            }
039    
040            public static void scan(byte[] bytes)
041                    throws AntivirusScannerException, SystemException {
042    
043                    if (isActive()) {
044                            _antivirusScanner.scan(bytes);
045                    }
046            }
047    
048            public static void scan(File file)
049                    throws AntivirusScannerException, SystemException {
050    
051                    if (isActive()) {
052                            _antivirusScanner.scan(file);
053                    }
054            }
055    
056            public static void scan(InputStream inputStream)
057                    throws AntivirusScannerException, SystemException {
058    
059                    if (isActive()) {
060                            _antivirusScanner.scan(inputStream);
061                    }
062            }
063    
064            public void setAntivirusScanner(AntivirusScanner antiVirusScanner) {
065                    _antivirusScanner = antiVirusScanner;
066            }
067    
068            private static AntivirusScanner _antivirusScanner;
069    
070    }