Example usage for java.util.zip Inflater reset

Introduction

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

Prototype

public void reset() 

Source Link

Document

Resets inflater so that a new set of input data can be processed.

Usage

From source file:Main.java

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

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

    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;
}

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From source file:Main.java

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

    byte[] output = null;

    Inflater decompresser = new Inflater();
    decompresser.reset();
    decompresser.setInput(data, off, len);

    ByteArrayOutputStream out = new ByteArrayOutputStream(data.length);
    try {//from  w w  w .  j  a  va 2 s . c om
        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;
}

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From source file:Main.java

public static byte[] zlibDecompress(byte[] data, int offset, int length) {
    byte[] output = null;

    Inflater decompresser = new Inflater();
    decompresser.reset();
    try {/* w  ww .  ja  va  2  s .c o m*/
        decompresser.setInput(data, offset, length);
    } catch (Exception e) {
        return null;
    }

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

    decompresser.end();
    return output;
}

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From source file:Main.java

public static void decompress(byte[] data, int off, int len, OutputStream out) {
    Inflater decompresser = new Inflater();
    decompresser.reset();
    decompresser.setInput(data, off, len);
    byte[] buf = new byte[1024];

    try {//  www.  j a va2s  .co  m
        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();
    }
}

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From source file:Main.java

public static byte[] decompress(byte[] data, int off, int len) {
    byte[] output = null;
    Inflater decompresser = new Inflater();
    decompresser.reset();
    //      decompresser.setInput(data);
    decompresser.setInput(data, off, len);

    ByteArrayOutputStream o = new ByteArrayOutputStream(data.length);
    try {//  w ww.  ja  va2s. c  o  m
        byte[] buf = new byte[1024];
        while (!decompresser.finished()) {
            int i = decompresser.inflate(buf);
            o.write(buf, 0, i);
        }
        output = o.toByteArray();
    } catch (Exception e) {
        throw new RuntimeException(e);
    } finally {
        try {
            o.close();
            decompresser.end();
        } catch (Exception e) {
        }
    }

    return output;
}

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From source file:Main.java

public static byte[] decompress(byte[] data, int off, int len, int srcLen) {
    byte[] output = null;
    Inflater decompresser = new Inflater();
    decompresser.reset();
    //      decompresser.setInput(data);
    decompresser.setInput(data, off, len);

    ByteArrayOutputStream o = new ByteArrayOutputStream(srcLen);
    try {/*from w  ww .  j  a v  a  2  s . c om*/
        o.reset();
        byte[] buf = new byte[1024];
        while (!decompresser.finished()) {
            int i = decompresser.inflate(buf);
            o.write(buf, 0, i);
        }
        output = o.toByteArray();
    } catch (Exception e) {
        throw new RuntimeException(e);
    } finally {
        try {
            o.close();
            decompresser.end();
        } catch (Exception e) {
        }
    }

    return output;
}

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From source file:org.apache.tez.common.TezCommonUtils.java

@Private
public static byte[] decompressByteStringToByteArray(ByteString byteString, Inflater inflater)
        throws IOException {
    inflater.reset();
    try (InflaterInputStream inflaterInputStream = new InflaterInputStream(byteString.newInput(), inflater)) {
        return IOUtils.toByteArray(inflaterInputStream);
    }// w w w  . jav a2 s  .  c  om
}

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