001    /**
002     * Copyright (c) 2000-2013 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.portlet.documentlibrary.antivirus;
016    
017    import com.liferay.portal.kernel.exception.SystemException;
018    import com.liferay.portal.kernel.util.StreamUtil;
019    
020    import java.io.File;
021    import java.io.FileInputStream;
022    import java.io.FileNotFoundException;
023    import java.io.InputStream;
024    
025    /**
026     * @author Michael C. Han
027     */
028    public abstract class BaseInputStreamAntivirusScanner
029            implements AntivirusScanner {
030    
031            @Override
032            public boolean isActive() {
033                    return _ACTIVE;
034            }
035    
036            @Override
037            public void scan(File file)
038                    throws AntivirusScannerException, SystemException {
039    
040                    InputStream inputStream = null;
041    
042                    try {
043                            inputStream = new FileInputStream(file);
044    
045                            scan(inputStream);
046                    }
047                    catch (FileNotFoundException fnfe) {
048                            throw new SystemException("Unable to scan file", fnfe);
049                    }
050                    finally {
051                            StreamUtil.cleanUp(inputStream);
052                    }
053            }
054    
055            private static final boolean _ACTIVE = true;
056    
057    }