Example usage for org.apache.commons.compress.archivers.sevenz SevenZOutputFile putArchiveEntry

Introduction

In this page you can find the example usage for org.apache.commons.compress.archivers.sevenz SevenZOutputFile putArchiveEntry.

Prototype

public void putArchiveEntry(final ArchiveEntry archiveEntry) throws IOException 

Source Link

Document

Records an archive entry to add.

Usage

From source file:com.espringtran.compressor4j.processor.SevenZipProcessor.java

/**
 * Compress data//from   w w w  .  j  av  a2 s. c o  m
 * 
 * @param fileCompressor
 *            FileCompressor object
 * @return
 * @throws Exception
 */
@Override
public byte[] compressData(FileCompressor fileCompressor) throws Exception {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    SevenZOutputFile sevenZOutput = new SevenZOutputFile(new File(fileCompressor.getCompressedPath()));
    try {
        for (BinaryFile binaryFile : fileCompressor.getMapBinaryFile().values()) {
            SevenZArchiveEntry entry = sevenZOutput.createArchiveEntry(new File(binaryFile.getSrcPath()),
                    binaryFile.getDesPath());
            entry.setSize(binaryFile.getActualSize());
            sevenZOutput.putArchiveEntry(entry);
            sevenZOutput.write(binaryFile.getData());
            sevenZOutput.closeArchiveEntry();
        }
        sevenZOutput.finish();
    } catch (Exception e) {
        FileCompressor.LOGGER.error("Error on compress data", e);
    } finally {
        sevenZOutput.close();
        baos.close();
    }
    return baos.toByteArray();
}

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From source file:inventory.pl.services.BackupService.java

private void archive(File outputFile) {
    try {//www  .ja va2s.c  o m
        byte[] buffer = new byte[1024];

        File f;
        SevenZOutputFile sevenZOutput = new SevenZOutputFile(outputFile);

        System.out.println("Output to Zip : " + outputFile);

        long startTime = System.currentTimeMillis();
        for (String file : this.entries) {
            f = new File(SOURCE_FOLDER + File.separator + file);
            System.out.println("File Added : " + f.getAbsolutePath());
            SevenZArchiveEntry ze = sevenZOutput.createArchiveEntry(f, file);

            try {
                FileInputStream in = new FileInputStream(SOURCE_FOLDER + File.separator + file);
                sevenZOutput.putArchiveEntry(ze);
                int len;
                while ((len = in.read(buffer)) > 0) {
                    sevenZOutput.write(buffer, 0, len);
                }
                sevenZOutput.closeArchiveEntry();
                in.close();

            } catch (java.util.zip.ZipException zipException) {
                System.err.println("ex=" + zipException.getMessage());
            }

        }

        long endTime = System.currentTimeMillis();

        sevenZOutput.close();
        System.out.println("Done in " + (endTime - startTime));
    } catch (IOException ex) {
        Logger.getLogger(BackupService.class.getName()).log(Level.SEVERE, null, ex);
    }

}

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