Example usage for java.util.zip Inflater Inflater

Introduction

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

Prototype

public Inflater() 

Source Link

Document

Creates a new decompressor.

Usage

From source file:org.barcelonamedia.uima.tools.docanalyzer.DBAnnotationViewerDialog.java

public void launchThatViewer(String xmi_id, TypeSystem typeSystem, final String[] aTypesToDisplay,
        boolean javaViewerRBisSelected, boolean javaViewerUCRBisSelected, boolean xmlRBisSelected,
        File styleMapFile, File viewerDirectory) {

    try {/*  w w w .java  2s. c  o  m*/

        InputStream xmiDocument = this.xmiDAO.getXMI(xmi_id);

        // create a new CAS
        CAS cas = CasCreationUtils.createCas(Collections.EMPTY_LIST, typeSystem,
                UIMAFramework.getDefaultPerformanceTuningProperties());

        if (this.med1.isUmcompress()) {

            //Descomprime el XMI

            //Create the decompressor and give it the data to compress
            Inflater decompressor = new Inflater();
            byte[] documentDataByteArray = IOUtils.toByteArray(xmiDocument);

            decompressor.setInput(documentDataByteArray);

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

            //Decompress the data
            byte[] buf = new byte[1024];

            while (!decompressor.finished()) {

                int count = decompressor.inflate(buf);
                bos.write(buf, 0, count);
            }

            bos.close();

            //Get the decompressed data
            byte[] decompressedData = bos.toByteArray();

            XmiCasDeserializer.deserialize(new ByteArrayInputStream(decompressedData), cas, true);
        } else {

            XmlCasDeserializer.deserialize(xmiDocument, cas, true);
        }

        //get the specified view
        cas = cas.getView(this.defaultCasViewName);

        //launch appropriate viewer
        if (javaViewerRBisSelected || javaViewerUCRBisSelected) { // JMP

            // record preference for next time
            med1.setViewType(javaViewerRBisSelected ? "Java Viewer" : "JV User Colors");

            //create tree viewer component
            CasAnnotationViewer viewer = new CasAnnotationViewer();
            viewer.setDisplayedTypes(aTypesToDisplay);

            if (javaViewerUCRBisSelected)
                getColorsForTypesFromFile(viewer, styleMapFile);
            else
                viewer.setHiddenTypes(new String[] { "uima.cpm.FileLocation" });

            // launch viewer in a new dialog
            viewer.setCAS(cas);
            JDialog dialog = new JDialog(DBAnnotationViewerDialog.this,
                    "Annotation Results for " + xmi_id + " in " + inputDirPath); // JMP
            dialog.getContentPane().add(viewer);
            dialog.setSize(850, 630);
            dialog.pack();
            dialog.show();
        } else {

            CAS defaultView = cas.getView(CAS.NAME_DEFAULT_SOFA);

            if (defaultView.getDocumentText() == null) {
                displayError(
                        "The HTML and XML Viewers can only view the default text document, which was not found in this CAS.");
                return;
            }

            // generate inline XML
            File inlineXmlFile = new File(viewerDirectory, "inline.xml");
            String xmlAnnotations = new CasToInlineXml().generateXML(defaultView);
            FileOutputStream outStream = new FileOutputStream(inlineXmlFile);
            outStream.write(xmlAnnotations.getBytes("UTF-8"));
            outStream.close();

            if (xmlRBisSelected) // JMP passed in
            {
                // record preference for next time
                med1.setViewType("XML");

                BrowserUtil.openUrlInDefaultBrowser(inlineXmlFile.getAbsolutePath());
            } else
            // HTML view
            {
                med1.setViewType("HTML");
                // generate HTML view
                // first process style map if not done already
                if (!processedStyleMap) {
                    if (!styleMapFile.exists()) {
                        annotationViewGenerator.autoGenerateStyleMapFile(
                                promptForAE().getAnalysisEngineMetaData(), styleMapFile);
                    }
                    annotationViewGenerator.processStyleMap(styleMapFile);
                    processedStyleMap = true;
                }
                annotationViewGenerator.processDocument(inlineXmlFile);
                File genFile = new File(viewerDirectory, "index.html");
                // open in browser
                BrowserUtil.openUrlInDefaultBrowser(genFile.getAbsolutePath());
            }
        }

        // end LTV here

    } catch (Exception ex) {

        displayError(ex);
    }
}

---

From source file:org.apache.uima.tools.docanalyzer.DBAnnotationViewerDialog.java

public void launchThatViewer(String xmi_id, TypeSystem typeSystem, final String[] aTypesToDisplay,
        boolean javaViewerRBisSelected, boolean javaViewerUCRBisSelected, boolean xmlRBisSelected,
        File styleMapFile, File viewerDirectory) {

    try {//from w w w . j a  va  2 s.  co m

        InputStream xmiDocument = this.xmiDAO.getXMI(xmi_id);

        // create a new CAS
        CAS cas = CasCreationUtils.createCas(Collections.EMPTY_LIST, typeSystem,
                UIMAFramework.getDefaultPerformanceTuningProperties());

        if (this.med1.isUmcompress()) {

            //Descomprime el XMI
            System.out.println("con compresin");

            //Create the decompressor and give it the data to compress
            Inflater decompressor = new Inflater();
            byte[] documentDataByteArray = IOUtils.toByteArray(xmiDocument);

            decompressor.setInput(documentDataByteArray);

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

            //Decompress the data
            byte[] buf = new byte[1024];

            while (!decompressor.finished()) {

                int count = decompressor.inflate(buf);
                bos.write(buf, 0, count);
            }

            bos.close();

            //Get the decompressed data
            byte[] decompressedData = bos.toByteArray();

            XmiCasDeserializer.deserialize(new ByteArrayInputStream(decompressedData), cas, true);
        } else {

            System.out.println("sin compresin");
            XmlCasDeserializer.deserialize(xmiDocument, cas, true);
        }

        //get the specified view
        cas = cas.getView(this.defaultCasViewName);

        //launch appropriate viewer
        if (javaViewerRBisSelected || javaViewerUCRBisSelected) { // JMP

            // record preference for next time
            med1.setViewType(javaViewerRBisSelected ? "Java Viewer" : "JV User Colors");

            //create tree viewer component
            CasAnnotationViewer viewer = new CasAnnotationViewer();
            viewer.setDisplayedTypes(aTypesToDisplay);

            if (javaViewerUCRBisSelected)
                getColorsForTypesFromFile(viewer, styleMapFile);
            else
                viewer.setHiddenTypes(new String[] { "uima.cpm.FileLocation" });

            // launch viewer in a new dialog
            viewer.setCAS(cas);
            JDialog dialog = new JDialog(DBAnnotationViewerDialog.this,
                    "Annotation Results for " + xmi_id + " in " + inputDirPath); // JMP
            dialog.getContentPane().add(viewer);
            dialog.setSize(850, 630);
            dialog.pack();
            dialog.show();
        } else {

            CAS defaultView = cas.getView(CAS.NAME_DEFAULT_SOFA);

            if (defaultView.getDocumentText() == null) {
                displayError(
                        "The HTML and XML Viewers can only view the default text document, which was not found in this CAS.");
                return;
            }

            // generate inline XML
            File inlineXmlFile = new File(viewerDirectory, "inline.xml");
            String xmlAnnotations = new CasToInlineXml().generateXML(defaultView);
            FileOutputStream outStream = new FileOutputStream(inlineXmlFile);
            outStream.write(xmlAnnotations.getBytes("UTF-8"));
            outStream.close();

            if (xmlRBisSelected) // JMP passed in
            {
                // record preference for next time
                med1.setViewType("XML");

                BrowserUtil.openUrlInDefaultBrowser(inlineXmlFile.getAbsolutePath());
            } else
            // HTML view
            {
                med1.setViewType("HTML");
                // generate HTML view
                // first process style map if not done already
                if (!processedStyleMap) {
                    if (!styleMapFile.exists()) {
                        annotationViewGenerator.autoGenerateStyleMapFile(
                                promptForAE().getAnalysisEngineMetaData(), styleMapFile);
                    }
                    annotationViewGenerator.processStyleMap(styleMapFile);
                    processedStyleMap = true;
                }
                annotationViewGenerator.processDocument(inlineXmlFile);
                File genFile = new File(viewerDirectory, "index.html");
                // open in browser
                BrowserUtil.openUrlInDefaultBrowser(genFile.getAbsolutePath());
            }
        }

        // end LTV here

    } catch (Exception ex) {

        displayError(ex);
    }
}

---

From source file:org.ajax4jsf.resource.ResourceBuilderImpl.java

protected byte[] decrypt(byte[] src) {
    try {/*  w w w.  j a  v  a2 s  .  co  m*/
        byte[] zipsrc = codec.decode(src);
        Inflater decompressor = new Inflater();
        byte[] uncompressed = new byte[zipsrc.length * 5];
        decompressor.setInput(zipsrc);
        int totalOut = decompressor.inflate(uncompressed);
        byte[] out = new byte[totalOut];
        System.arraycopy(uncompressed, 0, out, 0, totalOut);
        decompressor.end();
        return out;
    } catch (Exception e) {
        throw new FacesException("Error decode resource data", e);
    }
}

---

From source file:nl.nn.adapterframework.util.JdbcUtil.java

public static String getBlobAsString(Blob blob, String column, String charset, boolean xmlEncode,
        boolean blobIsCompressed, boolean blobSmartGet, boolean encodeBlobBase64)
        throws IOException, JdbcException, SQLException, JMSException {
    if (encodeBlobBase64) {
        InputStream blobStream = JdbcUtil.getBlobInputStream(blob, column, blobIsCompressed);
        return Misc.streamToString(new Base64InputStream(blobStream, true), null, false);
    }/*from ww w  .j  a va  2s .  c o  m*/
    if (blobSmartGet) {
        if (blob == null) {
            log.debug("no blob found in column [" + column + "]");
            return null;
        }
        int bl = (int) blob.length();

        InputStream is = blob.getBinaryStream();
        byte[] buf = new byte[bl];
        int bl1 = is.read(buf);

        Inflater decompressor = new Inflater();
        decompressor.setInput(buf);
        ByteArrayOutputStream bos = new ByteArrayOutputStream(buf.length);
        byte[] bufDecomp = new byte[1024];
        boolean decompresOK = true;
        while (!decompressor.finished()) {
            try {
                int count = decompressor.inflate(bufDecomp);
                if (count == 0) {
                    break;
                }
                bos.write(bufDecomp, 0, count);
            } catch (DataFormatException e) {
                log.debug("message in column [" + column + "] is not compressed");
                decompresOK = false;
                break;
            }
        }
        bos.close();
        if (decompresOK)
            buf = bos.toByteArray();

        Object result = null;
        ObjectInputStream ois = null;
        boolean objectOK = true;
        try {
            ByteArrayInputStream bis = new ByteArrayInputStream(buf);
            ois = new ObjectInputStream(bis);
            result = ois.readObject();
        } catch (Exception e) {
            log.debug("message in column [" + column + "] is probably not a serialized object: "
                    + e.getClass().getName());
            objectOK = false;
        }
        if (ois != null)
            ois.close();

        String rawMessage;
        if (objectOK) {
            if (result instanceof IMessageWrapper) {
                rawMessage = ((IMessageWrapper) result).getText();
            } else if (result instanceof TextMessage) {
                rawMessage = ((TextMessage) result).getText();
            } else {
                rawMessage = (String) result;
            }
        } else {
            rawMessage = new String(buf, charset);
        }

        String message = XmlUtils.encodeCdataString(rawMessage);
        return message;
    }
    return Misc.readerToString(getBlobReader(blob, column, charset, blobIsCompressed), null, xmlEncode);
}

---

From source file:org.opentestsystem.authoring.testspecbank.service.impl.TestSpecificationServiceImpl.java

private final byte[] decompress(final byte[] testSpecificationXml) {
    final Inflater inflater = new Inflater();
    inflater.setInput(testSpecificationXml);
    final ByteArrayOutputStream baos = new ByteArrayOutputStream(testSpecificationXml.length);

    byte[] outBytes = null;

    try {/*from ww w. j a  va  2  s  . c om*/
        final byte[] buffer = new byte[BUFFER_SIZE];
        while (!inflater.finished()) {
            final int count = inflater.inflate(buffer);
            baos.write(buffer, 0, count);
        }
        baos.close();
        outBytes = baos.toByteArray();

    } catch (final IOException | DataFormatException e) {
        throw new LocalizedException("testspec.xml.compress.error", e);
    }

    return outBytes;
}

---

From source file:org.apache.xmlgraphics.image.codec.png.PNGImageDecoder.java

private void parse_IEND_chunk(final PNGChunk chunk) {
    // Store text strings
    final int textLen = this.textKeys.size();
    final String[] textArray = new String[2 * textLen];
    for (int i = 0; i < textLen; ++i) {
        final String key = this.textKeys.get(i);
        final String val = this.textStrings.get(i);
        textArray[2 * i] = key;/*from ww  w  . ja  v a  2  s.c  o  m*/
        textArray[2 * i + 1] = val;
        if (this.emitProperties) {
            final String uniqueKey = "text_" + i + ':' + key;
            this.properties.put(uniqueKey.toLowerCase(), val);
        }
    }
    if (this.encodeParam != null) {
        this.encodeParam.setText(textArray);
    }

    // Store compressed text strings
    final int ztextLen = this.ztextKeys.size();
    final String[] ztextArray = new String[2 * ztextLen];
    for (int i = 0; i < ztextLen; ++i) {
        final String key = this.ztextKeys.get(i);
        final String val = this.ztextStrings.get(i);
        ztextArray[2 * i] = key;
        ztextArray[2 * i + 1] = val;
        if (this.emitProperties) {
            final String uniqueKey = "ztext_" + i + ':' + key;
            this.properties.put(uniqueKey.toLowerCase(), val);
        }
    }
    if (this.encodeParam != null) {
        this.encodeParam.setCompressedText(ztextArray);
    }

    // Parse prior IDAT chunks
    final InputStream seqStream = new SequenceInputStream(Collections.enumeration(this.streamVec));
    final InputStream infStream = new InflaterInputStream(seqStream, new Inflater());
    this.dataStream = new DataInputStream(infStream);

    // Create an empty WritableRaster
    int depth = this.bitDepth;
    if (this.colorType == PNG_COLOR_GRAY && this.bitDepth < 8 && this.output8BitGray) {
        depth = 8;
    }
    if (this.colorType == PNG_COLOR_PALETTE && this.expandPalette) {
        depth = 8;
    }
    final int bytesPerRow = (this.outputBands * this.width * depth + 7) / 8;
    final int scanlineStride = depth == 16 ? bytesPerRow / 2 : bytesPerRow;

    this.theTile = createRaster(this.width, this.height, this.outputBands, scanlineStride, depth);

    if (this.performGammaCorrection && this.gammaLut == null) {
        initGammaLut(this.bitDepth);
    }
    if (this.postProcess == POST_GRAY_LUT || this.postProcess == POST_GRAY_LUT_ADD_TRANS
            || this.postProcess == POST_GRAY_LUT_ADD_TRANS_EXP) {
        initGrayLut(this.bitDepth);
    }

    decodeImage(this.interlaceMethod == 1);
    this.sampleModel = this.theTile.getSampleModel();

    if (this.colorType == PNG_COLOR_PALETTE && !this.expandPalette) {
        if (this.outputHasAlphaPalette) {
            this.colorModel = new IndexColorModel(this.bitDepth, this.paletteEntries, this.redPalette,
                    this.greenPalette, this.bluePalette, this.alphaPalette);
        } else {
            this.colorModel = new IndexColorModel(this.bitDepth, this.paletteEntries, this.redPalette,
                    this.greenPalette, this.bluePalette);
        }
    } else if (this.colorType == PNG_COLOR_GRAY && this.bitDepth < 8 && !this.output8BitGray) {
        final byte[] palette = this.expandBits[this.bitDepth];
        this.colorModel = new IndexColorModel(this.bitDepth, palette.length, palette, palette, palette);
    } else {
        this.colorModel = createComponentColorModel(this.sampleModel);
    }
}

---

From source file:net.dv8tion.jda.core.requests.WebSocketClient.java

@Override
public void onBinaryMessage(WebSocket websocket, byte[] binary)
        throws UnsupportedEncodingException, DataFormatException {
    //Thanks to ShadowLordAlpha for code and debugging.
    //Get the compressed message and inflate it
    StringBuilder builder = new StringBuilder();
    Inflater decompresser = new Inflater();
    decompresser.setInput(binary, 0, binary.length);
    byte[] result = new byte[128];
    while (!decompresser.finished()) {
        int resultLength = decompresser.inflate(result);
        builder.append(new String(result, 0, resultLength, "UTF-8"));
    }//from   w w  w  .  j a v a  2  s  . c o m
    decompresser.end();

    // send the inflated message to the TextMessage method
    onTextMessage(websocket, builder.toString());
}

---

From source file:org.apache.xmlgraphics.image.codec.png.PNGRed.java

private void parse_IEND_chunk(final PNGChunk chunk) throws IOException {
    // Store text strings
    final int textLen = this.textKeys.size();
    final String[] textArray = new String[2 * textLen];
    for (int i = 0; i < textLen; ++i) {
        final String key = this.textKeys.get(i);
        final String val = this.textStrings.get(i);
        textArray[2 * i] = key;//from  w  ww . j a v a 2s  .c  om
        textArray[2 * i + 1] = val;
        if (this.emitProperties) {
            final String uniqueKey = "text_" + i + ':' + key;
            this.properties.put(uniqueKey.toLowerCase(), val);
        }
    }
    if (this.encodeParam != null) {
        this.encodeParam.setText(textArray);
    }

    // Store compressed text strings
    final int ztextLen = this.ztextKeys.size();
    final String[] ztextArray = new String[2 * ztextLen];
    for (int i = 0; i < ztextLen; ++i) {
        final String key = this.ztextKeys.get(i);
        final String val = this.ztextStrings.get(i);
        ztextArray[2 * i] = key;
        ztextArray[2 * i + 1] = val;
        if (this.emitProperties) {
            final String uniqueKey = "ztext_" + i + ':' + key;
            this.properties.put(uniqueKey.toLowerCase(), val);
        }
    }
    if (this.encodeParam != null) {
        this.encodeParam.setCompressedText(ztextArray);
    }

    // Parse prior IDAT chunks
    final InputStream seqStream = new SequenceInputStream(Collections.enumeration(this.streamVec));
    final InputStream infStream = new InflaterInputStream(seqStream, new Inflater());
    this.dataStream = new DataInputStream(infStream);

    // Create an empty WritableRaster
    int depth = this.bitDepth;
    if (this.colorType == PNG_COLOR_GRAY && this.bitDepth < 8 && this.output8BitGray) {
        depth = 8;
    }
    if (this.colorType == PNG_COLOR_PALETTE && this.expandPalette) {
        depth = 8;
    }
    final int width = this.bounds.width;
    final int height = this.bounds.height;

    final int bytesPerRow = (this.outputBands * width * depth + 7) / 8;
    final int scanlineStride = depth == 16 ? bytesPerRow / 2 : bytesPerRow;

    this.theTile = createRaster(width, height, this.outputBands, scanlineStride, depth);

    if (this.performGammaCorrection && this.gammaLut == null) {
        initGammaLut(this.bitDepth);
    }
    if (this.postProcess == POST_GRAY_LUT || this.postProcess == POST_GRAY_LUT_ADD_TRANS
            || this.postProcess == POST_GRAY_LUT_ADD_TRANS_EXP) {
        initGrayLut(this.bitDepth);
    }

    decodeImage(this.interlaceMethod == 1);

    // Free resources associated with compressed data.
    this.dataStream.close();
    infStream.close();
    seqStream.close();
    this.streamVec = null;

    final SampleModel sm = this.theTile.getSampleModel();
    ColorModel cm;

    if (this.colorType == PNG_COLOR_PALETTE && !this.expandPalette) {
        if (this.outputHasAlphaPalette) {
            cm = new IndexColorModel(this.bitDepth, this.paletteEntries, this.redPalette, this.greenPalette,
                    this.bluePalette, this.alphaPalette);
        } else {
            cm = new IndexColorModel(this.bitDepth, this.paletteEntries, this.redPalette, this.greenPalette,
                    this.bluePalette);
        }
    } else if (this.colorType == PNG_COLOR_GRAY && this.bitDepth < 8 && !this.output8BitGray) {
        final byte[] palette = this.expandBits[this.bitDepth];
        cm = new IndexColorModel(this.bitDepth, palette.length, palette, palette, palette);
    } else {
        cm = createComponentColorModel(sm);
    }

    init((CachableRed) null, this.bounds, cm, sm, 0, 0, this.properties);
}

---

From source file:org.jwebsocket.util.Tools.java

/**
 * Inflate a byte array with Zip compression
 *
 * @param aCompressedData//  w  w  w .  jav  a2s  . com
 * @return
 * @throws Exception
 */
public static byte[] inflate(byte[] aCompressedData) throws Exception {
    Inflater lInflater = new Inflater();
    lInflater.setInput(aCompressedData);
    byte[] lOut = new byte[1024 * 1000 * 5];
    int lWritten = lInflater.inflate(lOut);
    byte[] lResult = new byte[lWritten];

    System.arraycopy(lOut, 0, lResult, 0, lWritten);

    return lResult;
}

---

From source file:edu.umass.cs.gigapaxos.SQLPaxosLogger.java

/**
 * @param buf/*from  w  w w .  j a  v  a2  s  .com*/
 * @return Uncompressed form.
 * @throws IOException
 */
public static byte[] inflate(byte[] buf) throws IOException {
    if (!DB_COMPRESSION)
        return buf;
    Inflater inflator = new Inflater();
    inflator.setInput(buf);
    byte[] decompressed = new byte[buf.length];
    ByteArrayOutputStream baos = new ByteArrayOutputStream(buf.length);
    try {
        while (!inflator.finished()) {
            int count = inflator.inflate(decompressed);
            if (count == 0)
                break;
            baos.write(decompressed, 0, count);
        }
        baos.close();
        inflator.end();
    } catch (DataFormatException e) {
        PaxosManager.getLogger()
                .severe("DataFormatException while decompressing buffer of length " + buf.length);
        e.printStackTrace();
        return buf;
    }
    return baos.toByteArray();
}

---

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