Examples of java.util.zip.GZIPOutputStream

java.util.zip.GZIPOutputStream
This class implements a stream filter for writing compressed data in the GZIP file format. @version 1.23, 11/17/05 @author David Connelly

    final File f = new File(fileName);
    f.mkdirs();
    if (f.exists())
      f.delete();


    writer = new OJSONWriter(new OutputStreamWriter(new GZIPOutputStream(new FileOutputStream(fileName))));
    writer.beginObject();
    iDatabase.getLevel1Cache().setEnable(false);
    iDatabase.getLevel2Cache().setEnable(false);
  }

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        private GZIPOutputStream io;
        
        @JRubyMethod(name = "initialize", required = 1, rest = true, frame = true, visibility = Visibility.PRIVATE)
        public IRubyObject initialize2(IRubyObject[] args, Block unusedBlock) throws IOException {
            realIo = (RubyObject)args[0];
            this.io = new GZIPOutputStream(new IOOutputStream(args[0]));
            
            return this;
        }

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    }


    private BytestreamCache compressStream(BytestreamCache uncompressed) throws IOException
    {
        ByteArrayOutputStream compressed = new ByteArrayOutputStream();
        OutputStream compressor = new GZIPOutputStream(compressed);


        uncompressed.writeTo(compressor);


        compressor.close();


        return new BytestreamCache(compressed);
    }

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  private static void save(
    UnicodeCharacterDatabase ucd, 
    String to) 
      throws IOException {
    FileOutputStream fos = new FileOutputStream(to);
    GZIPOutputStream gzip = new GZIPOutputStream(fos);
    ObjectOutputStream oos = new ObjectOutputStream(gzip);
    oos.writeObject(ucd);
    oos.close();
    gzip.close();
    fos.close();    
  }

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                gzipstream = output;
            } else {
                response.addHeader("Content-Encoding", "gzip");
                response.setContentLength(-1);  // don't use any preset content-length as it will be wrong after gzipping
                response.setBufferSize(compressionBuffer);
                gzipstream = new GZIPOutputStream(output);
            }
        }
        gzipstream.write(b, off, len);


    }

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            if (acceptEncodingHeader!=null && acceptEncodingHeader.contains("gzip")) {
                // tell the client that the content is gzipped:
                response.setHeader("Content-Encoding", "gzip");
                
                // then gzip the body
                final GZIPOutputStream gzipOut = new GZIPOutputStream(response.getOutputStream());
                gzipOut.write(p.getBytes("UTF-8"));
                gzipOut.close();
            } else {
                // otherwise plaintext
                final PrintWriter pw = response.getWriter();
                pw.print(p);
                pw.flush();

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            if (config.isGzipConnectorRequestsEnabled()) {
                // tell the server that the content is gzipped:
                method.addRequestHeader("Content-Encoding", "gzip");
                // and gzip the body:
                final ByteArrayOutputStream baos = new ByteArrayOutputStream();
                final GZIPOutputStream gzipOut = new GZIPOutputStream(baos);
                gzipOut.write(p.getBytes("UTF-8"));
                gzipOut.close();
                final byte[] gzippedEncodedJson = baos.toByteArray();
                method.setRequestEntity(new ByteArrayRequestEntity(gzippedEncodedJson, "application/json"));
                lastRequestEncoding = "gzip";
            } else {
                // otherwise plaintext:

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     *
     * @param str The string to zip
     * @return The zipped string
     */
    public byte[] zip(String str) {
        GZIPOutputStream zipStream = null;
        try {
            ByteArrayOutputStream targetStream = new ByteArrayOutputStream();
            zipStream = new GZIPOutputStream(targetStream);
            zipStream.write(str.getBytes());
            zipStream.close();
            byte[] zipped = targetStream.toByteArray();
            targetStream.close();
            return zipped;
        } catch (IOException ex) {
            throw new RuntimeException(ex);
        } finally {
            try {
                if (zipStream != null) {
                    zipStream.close();
                }
            } catch (IOException ex) {
                throw new RuntimeException(ex);
            }
        }

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  if(ras == null)
      throw new IllegalArgumentException(
      JaiI18N.getString("TileEncoder1")) ;


  ObjectOutputStream oos 
      = new ObjectOutputStream(new GZIPOutputStream(outputStream)) ;
  Object object = TileCodecUtils.serializeRaster(ras);
  oos.writeObject(object);
  oos.close();
    }

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            if (!targetFile.delete()) {
                throw new IOException("Could not delete " + targetFile);
            }
        }


        GZIPOutputStream outputStream = new GZIPOutputStream(new FileOutputStream(new File(target, MANIFEST_NAME)));
        try {
            resultManifest.write(outputStream);
        }
        finally {
            outputStream.close();
        }
        writeIndex(targetIndex, result);
    }

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