Examples of org.apache.commons.compress.compressors.CompressorStreamFactory

Package org.apache.commons.compress.compressors

Examples of org.apache.commons.compress.compressors.CompressorStreamFactory

org.apache.commons.compress.compressors.CompressorStreamFactory

Factory to create Compressor[In|Out]putStreams from names. To add other implementations you should extend CompressorStreamFactory and override the appropriate methods (and call their implementation from super of course).

Example (Compressing a file):

 final OutputStream out = new FileOutputStream(output);  CompressorOutputStream cos =  new CompressorStreamFactory().createCompressorOutputStream(CompressorStreamFactory.BZIP2, out); IOUtils.copy(new FileInputStream(input), cos); cos.close();

Example (Decompressing a file):

 final InputStream is = new FileInputStream(input);  CompressorInputStream in =  new CompressorStreamFactory().createCompressorInputStream(CompressorStreamFactory.BZIP2, is); IOUtils.copy(in, new FileOutputStream(output)); in.close();

@Immutable

    if (doBzipCompression) {
      // Wrap with BOS since BZip2CompressorOutputStream calls out.write(int) 
      // and does not use the write(byte[]) version. This proved to speed the 
      // compression process by 70% !
      out = new BufferedOutputStream(out, 1 << 16);
      out = new CompressorStreamFactory().createCompressorOutputStream("bzip2", out);
    }
    lineFileOut = new BufferedWriter(new OutputStreamWriter(out, "UTF-8"), 1 << 16);
    docMaker = runData.getDocMaker();
  }

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      source.start();


      // Create compressed archive
      OutputStream outGzipFileStream = new FileOutputStream(path + name + ".tar.gz");


      GzipCompressorOutputStream outGzipStream = (GzipCompressorOutputStream)new CompressorStreamFactory()
      .createCompressorOutputStream(CompressorStreamFactory.GZIP, outGzipFileStream);


      IOUtils.copy(inTarFileStream, outGzipStream);
      inTarFileStream.close();

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    return f;
  }
  
  private File rawGzipFile(String ext) throws Exception {
    File f = new File(testDir,"testfile." +  ext);
    OutputStream os = new CompressorStreamFactory().createCompressorOutputStream(CompressorStreamFactory.GZIP, new FileOutputStream(f));
    writeText(os);
    return f;
  }

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    return f;
  }


  private File rawBzip2File(String ext) throws Exception {
    File f = new File(testDir,"testfile." +  ext);
    OutputStream os = new CompressorStreamFactory().createCompressorOutputStream(CompressorStreamFactory.BZIP2, new FileOutputStream(f));
    writeText(os);
    return f;
  }

View Full Code Here

        FileOutputStream out = null;
        CompressorInputStream compressorIn = null;
        try {
            in = new BufferedInputStream(new FileInputStream(file));
            out = new FileOutputStream(tempFile);
            compressorIn = new CompressorStreamFactory().createCompressorInputStream(in);
            final byte[] buffer = new byte[1024];
            int i;
            while ((i = compressorIn.read(buffer)) != -1) {
                out.write(buffer, 0, i);
            }

View Full Code Here

        }
    }


    private static MediaType detectCompressorFormat(byte[] prefix, int length) {
        try {
            CompressorStreamFactory factory = new CompressorStreamFactory();
            CompressorInputStream cis = factory.createCompressorInputStream(
                    new ByteArrayInputStream(prefix, 0, length));
            try {
                return CompressorParser.getMediaType(cis);
            } finally {
                IOUtils.closeQuietly(cis);

View Full Code Here

        // Ensure that the stream supports the mark feature
        stream = new BufferedInputStream(stream);


        CompressorInputStream cis;
        try {
            CompressorStreamFactory factory = new CompressorStreamFactory();
            cis = factory.createCompressorInputStream(stream);
        } catch (CompressorException e) {
            throw new TikaException("Unable to uncompress document stream", e);
        }


        MediaType type = getMediaType(cis);

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        }
    }


    private static MediaType detectCompressorFormat(byte[] prefix, int length) {
        try {
            CompressorStreamFactory factory = new CompressorStreamFactory();
            CompressorInputStream cis = factory.createCompressorInputStream(
                    new ByteArrayInputStream(prefix, 0, length));
            try {
                return CompressorParser.getMediaType(cis);
            } finally {
                IOUtils.closeQuietly(cis);

View Full Code Here

    return f;
  }
  
  private File rawGzipFile(String ext) throws Exception {
    File f = new File(testDir,"testfile." +  ext);
    OutputStream os = new CompressorStreamFactory().createCompressorOutputStream(CompressorStreamFactory.GZIP, new FileOutputStream(f));
    writeText(os);
    return f;
  }

View Full Code Here

    return f;
  }


  private File rawBzip2File(String ext) throws Exception {
    File f = new File(testDir,"testfile." +  ext);
    OutputStream os = new CompressorStreamFactory().createCompressorOutputStream(CompressorStreamFactory.BZIP2, new FileOutputStream(f));
    writeText(os);
    return f;
  }

View Full Code Here

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