Package java.util.zip

Examples of java.util.zip.DeflaterOutputStream

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            }
        }
        try {
            // compress
            ByteArrayOutputStream stream = new ByteArrayOutputStream();
            DeflaterOutputStream zip = new DeflaterOutputStream(stream, new Deflater(compressionLevel));
            if (streamBytes != null)
                streamBytes.writeTo(zip);
            else
                zip.write(bytes);
            zip.close();
            // update the object
            streamBytes = stream;
            bytes = null;
            put(PdfName.LENGTH, new PdfNumber(streamBytes.size()));
            if (filter == null) {
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        else
            superToPdf(writer, os);
        os.write(STARTSTREAM);
        if (inputStream != null) {
            rawLength = 0;
            DeflaterOutputStream def = null;
            OutputStreamCounter osc = new OutputStreamCounter(os);
            OutputStreamEncryption ose = null;
            OutputStream fout = osc;
            if (crypto != null && !crypto.isEmbeddedFilesOnly())
                fout = ose = crypto.getEncryptionStream(fout);
            if (compressed)   
                fout = def = new DeflaterOutputStream(fout, new Deflater(compressionLevel), 0x8000);
           
            byte buf[] = new byte[4192];
            while (true) {
                int n = inputStream.read(buf);
                if (n <= 0)
                    break;
                fout.write(buf, 0, n);
                rawLength += n;
            }
            if (def != null)
                def.finish();
            if (ose != null)
                ose.finish();
            inputStreamLength = osc.getCounter();
        }
        else {
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            }

            // create output stream
            OutputStream os = dataSoc.getOutputStream();
            if (factory.isZipMode()) {
                os = new DeflaterOutputStream(os);
            }
            return os;
        } catch (IOException ex) {
            factory.closeDataConnection();
            throw ex;
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        this.reader = reader;
        this.offset = -1;
        if (Document.compress) {
            try {
                ByteArrayOutputStream stream = new ByteArrayOutputStream();
                DeflaterOutputStream zip = new DeflaterOutputStream(stream, new Deflater(compressionLevel));
                zip.write(conts);
                zip.close();
                bytes = stream.toByteArray();
            }
            catch (IOException ioe) {
                throw new ExceptionConverter(ioe);
            }
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        remove(PdfName.FILTER);
        this.offset = -1;
        if (Document.compress && compress) {
            try {
                ByteArrayOutputStream stream = new ByteArrayOutputStream();
                DeflaterOutputStream zip = new DeflaterOutputStream(stream, new Deflater(compressionLevel));
                zip.write(data);
                zip.close();
                bytes = stream.toByteArray();
                this.compressionLevel = compressionLevel;
            }
            catch (IOException ioe) {
                throw new ExceptionConverter(ioe);
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            streamBytes = new ByteArrayOutputStream();
            if (Document.compress)
            {
                compressed = true;
                compressionLevel = text.getPdfWriter().getCompressionLevel();
                out = new DeflaterOutputStream(streamBytes, new Deflater(compressionLevel));
            }
            else
                out = streamBytes;
            int rotation = page.getRotation();
            switch (rotation) {
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            superToPdf(writer, os);

        os.write(STARTSTREAM);
        if (inputStream != null) {
            rawLength = 0;
            DeflaterOutputStream def = null;
            OutputStreamCounter osc = new OutputStreamCounter(os);
            OutputStreamEncryption ose = null;
            OutputStream fout = osc;
            if (crypto != null)
                fout = ose = crypto.getEncryptionStream(fout);
            if (compressed)   
                fout = def = new DeflaterOutputStream(fout, new Deflater(compressionLevel), 0x8000);
           
            byte buf[] = new byte[4192];
            while (true) {
                int n = inputStream.read(buf);
                if (n <= 0)
                    break;
                fout.write(buf, 0, n);
                rawLength += n;
            }
            if (def != null)
                def.finish();
            if (ose != null)
                ose.finish();
            inputStreamLength = osc.getCounter();
        }
        else {
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*/
public class ContinousInflaterInputStreamTest extends TestCase {

    public void testContinuous() throws IOException {
        FastByteArrayOutputStream out = new FastByteArrayOutputStream(8192);
        DeflaterOutputStream def1 = new DeflaterOutputStream(out, new Deflater(Deflater.DEFAULT_COMPRESSION, false), 100);
        IOUtils.writeString("1", def1);
        IOUtils.writeInt(2, def1);
        def1.close();
        DeflaterOutputStream def2 = new DeflaterOutputStream(out, new Deflater(Deflater.DEFAULT_COMPRESSION, false), 100);
        IOUtils.writeString("3", def2);
        IOUtils.writeString("4", def2);
        def2.close();
        DeflaterOutputStream def3 = new DeflaterOutputStream(out, new Deflater(Deflater.DEFAULT_COMPRESSION, false), 100);
        IOUtils.writeString("5", def3);
        IOUtils.writeString("6", def3);
        def3.close();

        byte[] b = out.toByteArray();
        FastByteArrayInputStream in = new FastByteArrayInputStream(b);
        ContinousInflaterInputStream inf1 = new ContinousInflaterInputStream(in, new Inflater(false), 8192);
        Assert.assertEquals("1", IOUtils.readString(inf1));
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        Assert.assertEquals(0, inf1.available());
    }

    public void testNonContinuous() throws IOException {
        FastByteArrayOutputStream out = new FastByteArrayOutputStream(8192);
        DeflaterOutputStream def1 = new DeflaterOutputStream(out, new Deflater(Deflater.DEFAULT_COMPRESSION, false), 100);
        IOUtils.writeString("1", def1);
        IOUtils.writeInt(2, def1);
        IOUtils.writeString("3", def1);
        IOUtils.writeString("4", def1);
        IOUtils.writeString("5", def1);
        IOUtils.writeString("6", def1);
        def1.close();

        byte[] b = out.toByteArray();
        FastByteArrayInputStream in = new FastByteArrayInputStream(b);
        InflaterInputStream inf1 = new InflaterInputStream(in, new Inflater(false), 8192);
        Assert.assertEquals("1", IOUtils.readString(inf1));
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    }
   
    Deflater deflater = new Deflater( Deflater.DEFAULT_COMPRESSION );
      ByteArrayOutputStream outBytes = new ByteArrayOutputStream((width+1)*height);
             
      DeflaterOutputStream compBytes = new DeflaterOutputStream( outBytes, deflater );
      try {
        compBytes.write(payload);
        compBytes.close();
      } catch(Exception e) {
        e.printStackTrace();
      }
      byte[] compPayload = outBytes.toByteArray();
         
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