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TrueZIP is a Java based Virtual File System (VFS) to enable transparent, multi-threaded read/write access to archive files (ZIP, TAR etc.) as if they were directories. Archive files may be arbitrarily nested and the nesting level is only limited by heap and file system size.

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/*
 * Copyright (C) 2006-2010 Schlichtherle IT Services
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package de.schlichtherle.io.archive.zip;

import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.Icon;

/**
 * An archive driver which builds Self Executable (SFX/EXE) ZIP files.
 * 
 * Instances of this class are immutable.
 * 
 * @author Christian Schlichtherle
 * @version $Id: AbstractSfxDriver.java,v 1.3 2010/08/16 10:55:45 christian_schlichtherle Exp $
 * @since TrueZIP 6.0
 */
abstract public class AbstractSfxDriver extends ZipDriver {
    private static final long serialVersionUID = -656184651651654635L;

    private static final String CLASS_NAME
            = "de.schlichtherle.io.archive.zip.AbstractSfxDriver";

    /**
     * The character set used in SFX archives by default, which is determined
     * by calling {@code System.getProperty("file.encoding")}.
     */
    public static final String DEFAULT_CHARSET
            = System.getProperty("file.encoding");

    static {
        Logger.getLogger(CLASS_NAME, CLASS_NAME).log(Level.CONFIG, "charset", DEFAULT_CHARSET);
    }

    /**
     * Constructs a new abstract SFX/EXE driver which allows for a preamble.
     * Self Extracting Archives typically use the preamble to store the
     * application code that is required to extract the ZIP file contents.
     */
    protected AbstractSfxDriver(
            String charset,
            Icon openIcon,
            Icon closedIcon,
            boolean postambled,
            final int level) {
        super(charset, openIcon, closedIcon, true, postambled, level);
    }
}