Example usage for org.apache.commons.compress.archivers.tar TarArchiveOutputStream LONGFILE_TRUNCATE

Introduction

In this page you can find the example usage for org.apache.commons.compress.archivers.tar TarArchiveOutputStream LONGFILE_TRUNCATE.

Prototype

int LONGFILE_TRUNCATE

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Document

Long paths will be truncated in the archive.

Usage

From source file:org.codehaus.plexus.archiver.tar.TarArchiver.java

protected void execute() throws ArchiverException, IOException {
    if (!checkForced()) {
        return;/*  w w w  .  j ava 2s.c  om*/
    }

    ResourceIterator iter = getResources();
    if (!iter.hasNext()) {
        throw new ArchiverException("You must set at least one file.");
    }

    File tarFile = getDestFile();

    if (tarFile == null) {
        throw new ArchiverException("You must set the destination tar file.");
    }
    if (tarFile.exists() && !tarFile.isFile()) {
        throw new ArchiverException(tarFile + " isn't a file.");
    }
    if (tarFile.exists() && !tarFile.canWrite()) {
        throw new ArchiverException(tarFile + " is read-only.");
    }

    getLogger().info("Building tar: " + tarFile.getAbsolutePath());

    final OutputStream os = new FileOutputStream(tarFile);
    tOut = new TarArchiveOutputStream(compress(compression, os), "UTF8");
    if (longFileMode.isTruncateMode()) {
        tOut.setLongFileMode(TarArchiveOutputStream.LONGFILE_TRUNCATE);
    } else if (longFileMode.isPosixMode() || longFileMode.isPosixWarnMode()) {
        tOut.setLongFileMode(TarArchiveOutputStream.LONGFILE_POSIX);
        // Todo: Patch 2.5.1   for this fix. Also make closeable fix on 2.5.1
        tOut.setBigNumberMode(TarArchiveOutputStream.BIGNUMBER_POSIX);
    } else if (longFileMode.isFailMode() || longFileMode.isOmitMode()) {
        tOut.setLongFileMode(TarArchiveOutputStream.LONGFILE_ERROR);
    } else {
        // warn or GNU
        tOut.setLongFileMode(TarArchiveOutputStream.LONGFILE_GNU);
    }

    longWarningGiven = false;
    try {
        while (iter.hasNext()) {
            ArchiveEntry entry = iter.next();
            // Check if we don't add tar file in itself
            if (ResourceUtils.isSame(entry.getResource(), tarFile)) {
                throw new ArchiverException("A tar file cannot include itself.");
            }
            String fileName = entry.getName();
            String name = StringUtils.replace(fileName, File.separatorChar, '/');

            tarFile(entry, tOut, name);
        }
    } finally {
        IOUtil.close(tOut);
    }
}

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