Package java.util.zip

Examples of java.util.zip.Adler32.update()

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            buffer.skip(Journal.HEADER_SIZE);
            buffer.writeInt(sequence.getLength() - Journal.HEADER_SIZE - Journal.BATCH_SIZE);
            buffer.skip(Journal.BATCH_CONTROL_RECORD_MAGIC.length);
            if (checksum) {
                Checksum adler32 = new Adler32();
                adler32.update(sequence.getData(), sequence.getOffset() + Journal.BATCH_CONTROL_RECORD_SIZE, sequence.getLength() - Journal.BATCH_CONTROL_RECORD_SIZE);
                buffer.writeLong(adler32.getValue());
            }

            // Now do the 1 big write.
            file.seek(offset);
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        if (!args[0].isNil()) bytes = args[0].convertToString().getByteList();
        if (!args[1].isNil()) start = (int)RubyNumeric.num2long(args[1]);

        Adler32 checksum = new Adler32();
        if (bytes != null) {
            checksum.update(bytes.getUnsafeBytes(), bytes.begin(), bytes.length());
        }
        long result = checksum.getValue();
        if (start != 1) {
            result = JZlib.adler32_combine(start, result, bytes.length());
        }
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    }

    private int adlerHash(byte[] input)
    {
        Adler32 hasher = new Adler32();
        hasher.update(input);
        return (int) hasher.getValue();
    }

    public void setup()
    {
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    }

    private int adlerHash(byte[] input)
    {
        Adler32 hasher = new Adler32();
        hasher.update(input);
        return (int) hasher.getValue();
    }

    private byte[] createPatchJar(HashMap<String, byte[]> patches) throws Exception
    {
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  public long calculateChecksum() {
    Adler32 adler = new Adler32();
    for (Track track : tracks) {
      adler.update(track.getByteUUID());
      adler.update(0x01);
    }
    return adler.getValue();
  }
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  public long calculateChecksum() {
    Adler32 adler = new Adler32();
    for (Track track : tracks) {
      adler.update(track.getByteUUID());
      adler.update(0x01);
    }
    return adler.getValue();
  }

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  public long calculateChecksum() {
    Adler32 adler = new Adler32();
    for (Track track : tracks) {
      adler.update(track.getByteUUID());
      adler.update(0x01);
    }
    return adler.getValue();
  }
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  public long calculateChecksum() {
    Adler32 adler = new Adler32();
    for (Track track : tracks) {
      adler.update(track.getByteUUID());
      adler.update(0x01);
    }
    return adler.getValue();
  }

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      dob.writeInt(0x81A4);                               // mode
      dob.writeInt((int)(System.currentTimeMillis() / 1000)); // mtime
      dob.writeInt(0);                                    // gmtdiff ignored
      dob.writeByte(0);                                   // no filename
      Adler32 headerChecksum = new Adler32();
      headerChecksum.update(dob.getData(), 0, dob.getLength());
      int hc = (int)headerChecksum.getValue();
      dob.writeInt(hc);
      out.write(LzopCodec.LZO_MAGIC);
      out.write(dob.getData(), 0, dob.getLength());
    } finally {
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            dob.writeInt(33188); // mode
            dob.writeInt((int) (System.currentTimeMillis() / 1000)); // mtime
            dob.writeInt(0); // gmtdiff ignored
            dob.writeByte(0); // no filename
            Adler32 headerChecksum = new Adler32();
            headerChecksum.update(dob.getData(), 0, dob.getLength());
            int hc = (int) headerChecksum.getValue();
            dob.writeInt(hc);
            out.write(LzopConstants.LZOP_MAGIC);
            out.write(dob.getData(), 0, dob.getLength());
        } finally {
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