Example usage for java.util.zip Inflater finished

Introduction

In this page you can find the example usage for java.util.zip Inflater finished.

Prototype

boolean finished

To view the source code for java.util.zip Inflater finished.

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Usage

From source file:Main.java

public static byte[] decompress(byte[] data) throws IOException, DataFormatException {
    Inflater decompresser = new Inflater();
    decompresser.setInput(data);/*from  w ww  . jav  a  2 s. co  m*/
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream(data.length);
    byte[] buffer = new byte[1024];
    while (!decompresser.finished()) {
        int count = decompresser.inflate(buffer);
        outputStream.write(buffer, 0, count);
    }
    decompresser.end();
    outputStream.close();
    return outputStream.toByteArray();
}

From source file:Main.java

private static byte[] uncompressBytesInflateDeflate(byte[] inBytes) throws IOException {
    Inflater inflater = new Inflater();
    inflater.setInput(inBytes);//from  ww w  . j av  a  2  s  .  c  o  m
    ByteArrayOutputStream bos = new ByteArrayOutputStream(inBytes.length);
    byte[] buffer = new byte[1024 * 8];
    while (!inflater.finished()) {
        int count;
        try {
            count = inflater.inflate(buffer);
        } catch (DataFormatException e) {
            throw new IOException(e);
        }
        bos.write(buffer, 0, count);
    }
    byte[] output = bos.toByteArray();
    return output;
}

From source file:Main.java

public static void decompress(byte[] data, int off, int len, OutputStream out) {
    Inflater decompresser = new Inflater();
    decompresser.reset();//from   ww  w.jav a 2  s .  com
    decompresser.setInput(data, off, len);
    byte[] buf = new byte[1024];

    try {
        while (!decompresser.finished()) {
            int i = decompresser.inflate(buf);
            out.write(buf, 0, i);
            out.flush();
        }
    } catch (Exception ex) {
        throw new RuntimeException(ex);
    } finally {
        decompresser.end();
    }
}

From source file:Main.java

public static byte[] decompressInZlib(byte[] compressData, int offset, int length) throws Exception {

    Inflater decompresser = new Inflater();
    decompresser.setInput(compressData, 0, compressData.length);

    ByteArrayOutputStream bos = new ByteArrayOutputStream(length);

    int count;//  w  ww  .  ja va2s .co m
    byte[] buf = new byte[1024];
    while (!decompresser.finished()) {
        count = decompresser.inflate(buf);
        bos.write(buf, 0, count);
    }

    byte[] originalData = bos.toByteArray();
    decompresser.end();

    return originalData;
}

From source file:org.xdi.zip.CompressionHelper.java

public static byte[] inflate(byte[] data, boolean nowrap) throws IOException, DataFormatException {
    Inflater inflater = new Inflater(nowrap);
    inflater.setInput(data);//w ww .  j  av  a 2 s .c o m

    ByteArrayOutputStream os = new ByteArrayOutputStream(data.length);
    try {
        byte[] buffer = new byte[1024];
        while (!inflater.finished()) {
            int count = inflater.inflate(buffer);
            os.write(buffer, 0, count);
        }
    } finally {
        IOUtils.closeQuietly(os);
    }

    return os.toByteArray();
}

From source file:Main.java

/**
 * @param data                  -- the data to decompress
 * @param uncompressedChunkSize -- an estimate of the uncompressed chunk size.  This need not be exact.
 * @return//from  w  ww. ja v a2  s  .co  m
 */
public static byte[] decompress(byte[] data, int uncompressedChunkSize) {

    // mpd: new code
    int rem = data.length;

    // Create an expandable byte array to hold the decompressed data
    ByteArrayOutputStream bos = new ByteArrayOutputStream(uncompressedChunkSize);

    // Decompress the data
    byte[] outbuf = new byte[uncompressedChunkSize];

    Inflater decompressor = new Inflater();
    decompressor.setInput(data);
    while (rem > 0) {

        // If we are finished with the current chunk start a new one
        if (decompressor.finished()) {
            decompressor = new Inflater();
            int offset = data.length - rem;
            decompressor.setInput(data, offset, rem);
        }

        try {
            int count = decompressor.inflate(outbuf, 0, outbuf.length);
            rem = decompressor.getRemaining();
            bos.write(outbuf, 0, count);

        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    try {
        bos.close();
    } catch (IOException e) {
        // Ignore -- no resources open
    }

    // Return the decompressed data
    return bos.toByteArray();
}

From source file:Main.java

public static byte[] decompress(byte[] compressedBuffer) {
    Inflater inflater = new Inflater();
    inflater.setInput(compressedBuffer);

    ByteArrayOutputStream outputStream = new ByteArrayOutputStream(compressedBuffer.length);
    try {//w ww.java2 s.  co  m
        byte[] buffer = new byte[1024];
        while (!inflater.finished()) {
            int count = inflater.inflate(buffer);
            outputStream.write(buffer, 0, count);
        }
        byte[] output = outputStream.toByteArray();
        return output;
    } catch (DataFormatException e) {
        throw new RuntimeException(e);
    } finally {
        try {
            inflater.end();
            outputStream.close();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
}

From source file:Main.java

public static byte[] decompress(byte[] data) {
    byte[] output = new byte[0];

    Inflater decompresser = new Inflater();
    decompresser.reset();//  ww  w  .  ja  va  2  s.c o m
    decompresser.setInput(data);

    ByteArrayOutputStream bos = new ByteArrayOutputStream(2 * data.length);
    try {
        byte[] buf = new byte[1024];
        while (!decompresser.finished()) {
            int length = decompresser.inflate(buf);
            bos.write(buf, 0, length);
        }
        output = bos.toByteArray();
        bos.close();
    } catch (Exception e) {
        output = data;
        e.printStackTrace();
    }

    decompresser.end();
    return output;
}

From source file:org.ojbc.util.helper.ZipUtils.java

public static byte[] unzip(byte[] data) {
    Inflater inflater = new Inflater();
    inflater.setInput(data);// w  w  w  .  j  a v  a 2 s  .  co m
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream(data.length);
    byte[] buffer = new byte[1024];
    try {
        while (!inflater.finished()) {
            int count;
            count = inflater.inflate(buffer);
            outputStream.write(buffer, 0, count);
        }
        outputStream.close();
    } catch (Exception e) {
        log.error("Failed to unzip data", e);
    }

    byte[] output = outputStream.toByteArray();
    log.debug("Original: " + data.length + " bytes");
    log.debug("Decompressed: " + output.length + " bytes");
    return output;
}

From source file:Main.java

public static byte[] decompress(byte[] data, int off, int len) {

    byte[] output = null;

    Inflater decompresser = new Inflater();
    decompresser.reset();//from   www .  ja  v  a 2 s . c  o  m
    decompresser.setInput(data, off, len);

    ByteArrayOutputStream out = new ByteArrayOutputStream(data.length);
    try {
        byte[] result = new byte[1024];
        while (!decompresser.finished()) {
            int i = decompresser.inflate(result);
            out.write(result, 0, i);
        }
        output = out.toByteArray();
    } catch (Exception e) {
        throw new RuntimeException(e);
    } finally {
        try {
            out.close();
        } catch (Exception e) {
        }
        decompresser.end();
    }
    return output;
}