com.liferay.portlet.documentlibrary.antivirus.BaseFileAntivirusScanner.java Source code

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Here is the source code for com.liferay.portlet.documentlibrary.antivirus.BaseFileAntivirusScanner.java

Source

/**
 * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.portlet.documentlibrary.antivirus;

import com.liferay.portal.kernel.exception.SystemException;
import com.liferay.portal.kernel.util.FileUtil;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;

/**
 * @author Michael C. Han
 */
public abstract class BaseFileAntivirusScanner implements AntivirusScanner {

    public boolean isActive() {
        return _ACTIVE;
    }

    public void scan(byte[] bytes) throws AntivirusScannerException, SystemException {

        File file = null;

        try {
            file = FileUtil.createTempFile(_ANTIVIRUS_EXTENSION);

            FileUtil.write(file, bytes);

            scan(file);
        } catch (IOException ioe) {
            throw new SystemException("Unable to write temporary file", ioe);
        } finally {
            if (file != null) {
                file.delete();
            }
        }
    }

    public void scan(InputStream inputStream) throws AntivirusScannerException, SystemException {

        File file = null;

        try {
            file = FileUtil.createTempFile(_ANTIVIRUS_EXTENSION);

            FileUtil.write(file, inputStream);

            scan(file);
        } catch (IOException ioe) {
            throw new SystemException("Unable to write temporary file", ioe);
        } finally {
            if (file != null) {
                file.delete();
            }
        }
    }

    private static boolean _ACTIVE = true;

    private static final String _ANTIVIRUS_EXTENSION = "avs";

}