Example usage for javax.imageio.stream FileImageInputStream close

List of usage examples for javax.imageio.stream FileImageInputStream close

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Introduction

In this page you can find the example usage for javax.imageio.stream FileImageInputStream close.

Prototype

public void close() throws IOException

Source Link

Usage

From source file:com.bc.util.io.FileUtils.java

public static void copy(File source, File target) throws IOException {
    final byte[] buffer = new byte[ONE_KB * ONE_KB];
    int bytesRead;

    FileImageInputStream sourceStream = null;
    FileImageOutputStream targetStream = null;

    try {//from   ww  w . ja  v  a 2s  .  c  o m
        final File targetDir = target.getParentFile();
        if (!targetDir.isDirectory()) {
            if (!targetDir.mkdirs()) {
                throw new IOException("failed to create target directory: " + targetDir.getAbsolutePath());
            }
        }
        target.createNewFile();

        sourceStream = new FileImageInputStream(source);
        targetStream = new FileImageOutputStream(target);
        while ((bytesRead = sourceStream.read(buffer)) >= 0) {
            targetStream.write(buffer, 0, bytesRead);
        }
    } finally {
        if (sourceStream != null) {
            sourceStream.close();
        }
        if (targetStream != null) {
            targetStream.flush();
            targetStream.close();
        }
    }
}

From source file:de.hpi.fgis.hdrs.node.Index.java

void readMeta() throws IOException {
    File metaFile = new File(indexRoot.getAbsolutePath() + File.separator + METAFILE);
    if (!metaFile.isFile()) {
        throw new IOException("Index meta file not found for index " + order);
    }/* w w  w .j a  v a2  s  .  co  m*/
    segments.clear();
    FileImageInputStream in = new FileImageInputStream(metaFile);
    int size = in.readInt();
    for (int i = 0; i < size; ++i) {
        SegmentInfo info = SegmentInfo.read(in);
        segments.add(info);
    }
    in.close();
}

From source file:edu.stanford.epad.common.dicom.DicomReader.java

/**
 * Generate a buffered image using the parameters in the file.
 * /*from  w  w w  .ja  v  a  2  s  .c  o  m*/
 * @param frameValue frame number
 * @return image
 * @throws IOException
 */
public BufferedImage getImage(int frameValue) throws IOException {
    FileImageInputStream fis = null;
    BufferedImage image;

    try {
        fis = new FileImageInputStream(dicomFile);
        DicomImageReader codec = (DicomImageReader) new DicomImageReaderSpi().createReaderInstance();
        codec.setInput(fis);
        DicomImageReadParam param = (DicomImageReadParam) codec.getDefaultReadParam();
        image = codec.read(frameValue, param);
    } finally {
        if (fis != null)
            fis.close();
    }
    return image;
}

From source file:com.aurel.track.admin.customize.category.report.execute.ReportExecuteAction.java

/**
 * Writes the preview image into the servlet response
 * @return/*from  w  w w .  java  2  s.  co  m*/
 */
public String showPreviewImage() {
    File imgFile = null;
    if (!leaf) {

        String folderDirectory = "";
        if ("projects-ticon".equals(iconCls)) {
            folderDirectory = ApplicationBean.getInstance().getServletContext().getRealPath(
                    "/" + Constants.DESIGN_DIRECTORY + "/" + Constants.DEFAULTDESIGNPATH + "/img/project.png");
        } else {
            folderDirectory = ApplicationBean.getInstance().getServletContext().getRealPath(
                    "/" + Constants.DESIGN_DIRECTORY + "/" + Constants.DEFAULTDESIGNPATH + "/img/folder.png");
        }
        imgFile = new File(folderDirectory);
    } else {
        File templateDir = ReportBL.getDirTemplate(templateID);
        String imageName = (String) descriptionMap.get(IDescriptionAttributes.PREVIEW_GIF);
        imgFile = new File(templateDir, imageName);
    }
    if (templateID != null) {
        if (imgFile != null && imgFile.exists()) {
            try {
                FileImageInputStream input = new FileImageInputStream(imgFile);
                ByteArrayOutputStream output = new ByteArrayOutputStream();
                byte[] buf = new byte[1024];
                byte[] data;
                int numBytesRead;
                while ((numBytesRead = input.read(buf)) != -1) {
                    output.write(buf, 0, numBytesRead);
                }
                data = output.toByteArray();
                output.close();
                input.close();
                servletResponse.setContentType("image/gif");
                OutputStream outputStream = servletResponse.getOutputStream();
                outputStream.write(data);
                outputStream.flush();
            } catch (Exception e) {
                LOGGER.warn("Getting the preview image failed with " + e.getMessage());
                LOGGER.debug(ExceptionUtils.getStackTrace(e));
            }
        }
    }
    return null;
}

From source file:edu.stanford.epad.common.dicom.DicomReader.java

/**
 * Generate a buffered image with the high order bits of PixelData in the red channel and low order bits in the green
 * channel.//www  .j  a  v  a2 s.c o  m
 * 
 * @param frameValue frame number
 * @return image
 * @throws IOException
 */
public BufferedImage getPackedImage(int frameValue) throws IOException {
    FileImageInputStream fis = null;
    DicomInputStream dis = null;
    BufferedImage packedImage = null;

    try {
        StopTagInputHandler stop = new StopTagInputHandler(Tag.PixelData);
        log.info("" + Thread.currentThread().getId() + " Opening Dicom:" + dicomFile.getName());
        dis = new DicomInputStream(dicomFile);
        dis.setHandler(stop);
        DicomObject object = dis.readDicomObject();
        RasterProcessor rasterProcessor = new RasterProcessor(object);
        dis.close();
        fis = new FileImageInputStream(dicomFile);
        DicomImageReader codec = (DicomImageReader) new DicomImageReaderSpi().createReaderInstance();
        codec.setInput(fis);
        DicomImageReadParam param = (DicomImageReadParam) codec.getDefaultReadParam();
        Raster raster = codec.readRaster(frameValue, param);
        packedImage = rasterProcessor.buildPng(raster);
    } finally {
        IOUtils.closeQuietly(dis);
        if (fis != null)
            fis.close();
        log.info("" + Thread.currentThread().getId() + " Closed");
    }
    return packedImage;
}

From source file:de.hpi.fgis.hdrs.node.Node.java

boolean initialize() {
    // read segment id counter
    File storemeta = new File(rootDir.getAbsolutePath() + File.separator + SEGMENT_ID_COUNTER_FILE);
    if (storemeta.isFile()) {
        FileImageInputStream in;
        try {/*from  w w  w . j a  va  2  s  .c om*/
            in = new FileImageInputStream(storemeta);
            segmentIdCounter = in.readInt();
            in.close();
        } catch (IOException ex) {
            LOG.fatal("error while reading store meta file ", ex);
            return false;
        }
    }

    LOG.info("Using segment configuration: " + segmentConf);

    // init indexes
    for (Triple.COLLATION order : orders) {
        try {
            File indexRoot = new File(rootDir.getAbsolutePath() + File.separator + order);

            Index index;
            if (indexRoot.isDirectory()) {
                LOG.info("Opening index " + order);
                index = Index.openIndex(indexRoot, order, this);
            } else {
                LOG.info("Creating index " + order);
                index = Index.createIndex(indexRoot, order, this);
                if (router.getLocalPeer() == router.locateSegment(order, SegmentInfo.getSeed(0))) {
                    index.createSeedSegment();
                }
            }

            indexes.put(order, index);
            router.initialize(order);

        } catch (IOException ex) {
            LOG.fatal("error while opening index " + order, ex);
            return false;
        }
    }

    router.syncLocalCatalog();

    // create segment descriptors
    for (Index index : indexes.values()) {
        for (SegmentInfo info : router.getLocalCatalog().getSegments(index.getOrder())) {
            segments.put(Long.valueOf(info.getSegmentId()),
                    new SegmentDescriptor(SegmentStatus.OFFLINE, info, index));
        }
    }

    LOG.info("Segment catalog initialized: " + router.getLocalCatalog());
    return true;
}

From source file:com.lynk.hrm.ui.dialog.InfoEmployee.java

private void startRead() {
    new SwingWorker<String, Void>() {
        @Override/*from   w ww  .j  a  va 2  s  .  c o  m*/
        protected String doInBackground() throws Exception {
            int result;
            IdCard idCard = new IdCard();
            String photoPath = System.getProperty("user.dir") + "/temp/" + "idCard.bmp";
            WString imageFile = new WString(photoPath);
            result = IdCardLibrary.INSTANCE.OpenCardReader(0, 4, 115200);
            if (result != 0) {
                showErrorMsg(IdCard.getErrorMsg(result));
                return null;
            }
            try {
                result = IdCardLibrary.INSTANCE.GetPersonMsgW(idCard, imageFile);
                if (result == 0) {
                    uiName.setText(idCard.getName());
                    uiNamePy.setText(PinyinUtil.getPinpin(idCard.getName()));
                    uiIdCard.setText(idCard.getCardId());
                    uiGender.setText(idCard.getSex());
                    uiBirthday.setText(idCard.getBirthday());
                    uiAge.setText(Integer.toString(Utils.getAge(idCard.getBirthday())));
                    uiCensusAddress.setText(idCard.getAddress());

                    RenderedImage imgOri = ImageIO.read(new File(photoPath));
                    File imgFile = File.createTempFile("photo_", ".png",
                            new File(System.getProperty("user.dir") + "/temp"));
                    ImageIO.write(imgOri, "png", imgFile);

                    uiPhoto.setImage(imgFile.getPath());
                    uiPhoto.putClientProperty("path", imgFile.getPath());
                    FileImageInputStream fiis = new FileImageInputStream(new File(imgFile.getPath()));
                    byte[] photoByte = new byte[(int) fiis.length()];
                    fiis.read(photoByte);
                    fiis.flush();
                    fiis.close();
                    uiPhoto.putClientProperty("photo", photoByte);

                    IdCardLibrary.INSTANCE.CloseCardReader();
                }
                Thread.sleep(1000);
            } catch (Exception e) {
                showErrorMsg(e);
            }
            return null;
        }
    }.execute();
}

From source file:org.openmrs.obs.handler.ImageHandler.java

/**
 * Currently supports all views and puts the Image file data into the ComplexData object
 * /*from ww w.  ja v  a  2  s.  c  o m*/
 * @see org.openmrs.obs.ComplexObsHandler#getObs(org.openmrs.Obs, java.lang.String)
 */
public Obs getObs(Obs obs, String view) {
    File file = getComplexDataFile(obs);

    // Raw image
    if (ComplexObsHandler.RAW_VIEW.equals(view)) {
        BufferedImage img = null;
        try {
            img = ImageIO.read(file);
        } catch (IOException e) {
            log.error("Trying to read file: " + file.getAbsolutePath(), e);
        }

        ComplexData complexData = new ComplexData(file.getName(), img);

        // Image MIME type
        try {
            FileImageInputStream imgStream = new FileImageInputStream(file);
            Iterator<ImageReader> imgReader = ImageIO.getImageReaders(imgStream);
            imgStream.close();
            if (imgReader.hasNext()) {
                complexData.setMimeType("image/" + imgReader.next().getFormatName().toLowerCase());
            } else {
                log.warn("MIME type of " + file.getAbsolutePath() + " is not known");
            }
        } catch (FileNotFoundException e) {
            log.error("Image " + file.getAbsolutePath() + " was not found", e);
        } catch (IOException e) {
            log.error("Trying to determine MIME type of " + file.getAbsolutePath(), e);
        }

        obs.setComplexData(complexData);
    } else {
        // No other view supported
        // NOTE: if adding support for another view, don't forget to update supportedViews list above
        return null;
    }

    return obs;
}

From source file:org.psystems.dicomweb.Dcm2Dcm.java

/**
 * Recodes the images from the source transfer syntax, as read from the src
 * file, to the specified destination syntax.
 *//*from www.j  a  v  a2 s.  c  o m*/
public void recodeImages(File src, File dest) throws IOException {

    ImageReader reader = new DicomImageReaderSpi().createReaderInstance();
    ImageWriter writer = new DicomImageWriterSpi().createWriterInstance();
    FileImageInputStream input = new FileImageInputStream(src);
    reader.setInput(input);
    if (dest.exists())
        dest.delete();
    FileImageOutputStream output = new FileImageOutputStream(dest);
    writer.setOutput(output);
    DicomStreamMetaData streamMeta = (DicomStreamMetaData) reader.getStreamMetadata();
    DicomObject ds = streamMeta.getDicomObject();
    DicomStreamMetaData writeMeta = (DicomStreamMetaData) writer.getDefaultStreamMetadata(null);
    DicomObject newDs = new BasicDicomObject();
    ds.copyTo(newDs);
    writeMeta.setDicomObject(newDs);
    int frames = ds.getInt(Tag.NumberOfFrames, 1);
    LookupTable lut = prepareBitStrip(writeMeta, reader);
    newDs.putString(Tag.TransferSyntaxUID, VR.UI, destinationSyntax.uid());
    if (overwriteObject != null) {
        overwriteObject.copyTo(newDs);
    }
    writer.prepareWriteSequence(writeMeta);
    for (int i = 0; i < frames; i++) {
        WritableRaster r = (WritableRaster) reader.readRaster(i, null);
        ColorModel cm = ColorModelFactory.createColorModel(ds);
        BufferedImage bi = new BufferedImage(cm, r, false, null);
        if (lut != null) {
            lut.lookup(bi.getRaster(), bi.getRaster());
        }
        IIOImage iioimage = new IIOImage(bi, null, null);
        writer.writeToSequence(iioimage, null);
    }
    writer.endWriteSequence();
    output.close();
    input.close();
}

From source file:org.psystems.dicomweb.Dcm2DcmCopy.java

/**
 * Recodes the images from the source transfer syntax, as read from the src
 * file, to the specified destination syntax.
 *//*from   w ww. ja  v a 2s. co  m*/
public void recodeImages(File src, File dest) throws IOException {
    ImageReader reader = new DicomImageReaderSpi().createReaderInstance();
    ImageWriter writer = new DicomImageWriterSpi().createWriterInstance();
    FileImageInputStream input = new FileImageInputStream(src);
    reader.setInput(input);
    if (dest.exists())
        dest.delete();
    FileImageOutputStream output = new FileImageOutputStream(dest);
    writer.setOutput(output);
    DicomStreamMetaData streamMeta = (DicomStreamMetaData) reader.getStreamMetadata();
    DicomObject ds = streamMeta.getDicomObject();
    DicomStreamMetaData writeMeta = (DicomStreamMetaData) writer.getDefaultStreamMetadata(null);
    DicomObject newDs = new BasicDicomObject();
    ds.copyTo(newDs);
    writeMeta.setDicomObject(newDs);
    int frames = ds.getInt(Tag.NumberOfFrames, 1);
    LookupTable lut = prepareBitStrip(writeMeta, reader);
    newDs.putString(Tag.TransferSyntaxUID, VR.UI, destinationSyntax.uid());
    if (overwriteObject != null) {
        overwriteObject.copyTo(newDs);
    }
    writer.prepareWriteSequence(writeMeta);
    for (int i = 0; i < frames; i++) {
        WritableRaster r = (WritableRaster) reader.readRaster(i, null);
        ColorModel cm = ColorModelFactory.createColorModel(ds);
        BufferedImage bi = new BufferedImage(cm, r, false, null);
        if (lut != null) {
            lut.lookup(bi.getRaster(), bi.getRaster());
        }
        IIOImage iioimage = new IIOImage(bi, null, null);
        writer.writeToSequence(iioimage, null);
    }
    writer.endWriteSequence();
    output.close();
    input.close();
}