de.schlichtherle.io.archive.tar.TarEntry Maven / Gradle / Ivy

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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.tar;

import de.schlichtherle.io.*;
import de.schlichtherle.io.archive.spi.*;

import java.io.*;
import java.io.File;

import javax.swing.Icon;

/**
 * An entry in a TAR archive which implements the {@code ArchiveEntry}
 * interface.
 *
 * @author Christian Schlichtherle
 * @version $Id: TarEntry.java,v 1.4 2010/08/20 13:09:44 christian_schlichtherle Exp $
 * @since TrueZIP 6.0
 */
public class TarEntry
        extends org.apache.tools.tar.TarEntry
        implements ArchiveEntry {

    private ArchiveEntryMetaData metaData;

    public TarEntry(final String entryName) {
        super(entryName, true);
        // Fix super class constructor.
        super.setModTime(Long.MIN_VALUE);
        super.setSize(UNKNOWN);
        super.setUserName(System.getProperty("user.name", ""));
    }

    public TarEntry(
            final org.apache.tools.tar.TarEntry blueprint) {
        super(blueprint.getName(), true);
        super.setMode(blueprint.getMode());
        super.setModTime(blueprint.getModTime());
        super.setSize(blueprint.getSize());
        super.setUserId(blueprint.getUserId());
        super.setUserName(blueprint.getUserName());
        super.setGroupId(blueprint.getGroupId());
        super.setGroupName(blueprint.getGroupName());
    }

    public TarEntry(
            final org.apache.tools.tar.TarEntry blueprint,
            final File file) {
        super(file);
        super.setName(blueprint.getName());
        super.setMode(blueprint.getMode());
        super.setModTime(blueprint.getModTime());
        super.setSize(blueprint.getSize());
        super.setUserId(blueprint.getUserId());
        super.setUserName(blueprint.getUserName());
        super.setGroupId(blueprint.getGroupId());
        super.setGroupName(blueprint.getGroupName());
    }

    public long getTime() {
        long time = super.getModTime().getTime();
        return time >= 0 ? time : UNKNOWN;
    }

    public void setTime(long time) {
        super.setModTime(time);
    }

    public Icon getOpenIcon() {
        return null;
    }

    public Icon getClosedIcon() {
        return null;
    }

    //
    // Metadata implementation.
    //

    public ArchiveEntryMetaData getMetaData() {
        return metaData;
    }

    public void setMetaData(ArchiveEntryMetaData metaData) {
        this.metaData = metaData;
    }
}