Example usage for javax.imageio ImageIO getImageReadersByFormatName

Introduction

In this page you can find the example usage for javax.imageio ImageIO getImageReadersByFormatName.

Prototype

public static Iterator<ImageReader> getImageReadersByFormatName(String formatName) 

Source Link

Document

Returns an Iterator containing all currently registered ImageReader s that claim to be able to decode the named format.

Usage

From source file:org.paxle.gui.impl.servlets.ConfigView.java

public void writeImage(HttpServletRequest request, HttpServletResponse response, Context context)
        throws Exception {
    final String pid = request.getParameter("pid");
    if (pid == null) {
        response.sendError(501, "No pid supplied.");
        return;//from   www. ja v a 2s. c om
    }

    final String bundleID = request.getParameter("bundleID");
    if (bundleID == null) {
        response.sendError(501, "No bundle-ID supplied.");
        return;
    }

    final ConfigTool configTool = (ConfigTool) context.get(ConfigTool.TOOL_NAME);
    if (configTool == null) {
        response.sendError(501, "Config-Tool not found.");
        return;
    }

    final Configurable configurabel = configTool.getConfigurable(Integer.valueOf(bundleID), pid);
    if (configurabel == null) {
        response.sendError(501, String
                .format("No configurable component found for bundle-ID '%s' and PID '%s'.", bundleID, pid));
        return;
    }

    // loading metadata
    final ObjectClassDefinition ocd = configurabel.getObjectClassDefinition();
    if (ocd == null) {
        response.sendError(501,
                String.format("No ObjectClassDefinition found for service with PID '%s'.", pid));
        return;
    }

    try {
        // trying to find a proper icon
        final int[] sizes = new int[] { 16, 32, 64, 128, 256 };

        BufferedImage img = null;
        for (int size : sizes) {
            // trying to find an icon
            InputStream in = ocd.getIcon(size);
            if (in == null) {
                if (size == sizes[sizes.length - 1]) {
                    // fallback to the default image
                    in = this.getClass().getResourceAsStream("/resources/images/cog.png");
                } else
                    continue;
            }

            // loading date
            final ByteArrayOutputStream bout = new ByteArrayOutputStream();
            IOUtils.copy(in, bout);
            bout.close();
            in.close();

            // trying to detect the mimetype of the image
            ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
            String contentType = URLConnection.guessContentTypeFromStream(bin);
            bin.close();

            Iterator<ImageReader> readers = null;
            if (contentType != null) {
                readers = ImageIO.getImageReadersByMIMEType(contentType);
            } else {
                readers = ImageIO.getImageReadersByFormatName("png");
            }

            while (readers.hasNext() && img == null) {
                // trying the next reader
                final ImageReader reader = readers.next();

                InputStream input = null;
                try {
                    input = new ByteArrayInputStream(bout.toByteArray());
                    reader.setInput(ImageIO.createImageInputStream(input));
                    img = reader.read(0);
                } catch (Exception e) {
                    this.log("Unable to read image for pid " + pid, e);
                } finally {
                    if (input != null)
                        input.close();
                }
            }

            if (img != null) {
                response.setHeader("Content-Type", "image/png");
                ImageIO.write(img, "png", response.getOutputStream());
                return;
            }
        }

        // no icon found. 
        response.sendError(404);
    } catch (Throwable e) {
        response.sendError(404, e.getMessage());
        return;
    }
}

---

From source file:org.geoserver.wcs.GetCoverageTest.java

/**
 * This tests just ended up throwing an exception as the coverage being encoded
 * was too large due to a bug in the scales estimation
 * /*  w  w w.j ava2s .  com*/
 * @throws Exception
 */
@Test
public void testRotatedPost() throws Exception {
    String request = "<GetCoverage xmlns=\"http://www.opengis.net/wcs/1.1.1\" xmlns:gml=\"http://www.opengis.net/gml\"\n"
            + "             xmlns:ows11=\"http://www.opengis.net/ows/1.1\"\n"
            + "             xmlns:ows=\"http://www.opengis.net/ows/1.1\"\n"
            + "             xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" \r\n" + //
            "             xmlns:wcs=\"http://schemas.opengis.net/wcs/1.1.1\"\n"
            + "             xmlns:xlink=\"http://www.w3.org/1999/xlink\"\n" + "             service=\"WCS\"\n"
            + "             version=\"1.1.1\"\n"
            + "             xsi:schemaLocation=\"http://www.opengis.net/wcs/1.1.1 http://schemas.opengis.net/wcs/1.1.1/wcsAll.xsd\">\n"
            + "   <ows11:Identifier>RotatedCad</ows11:Identifier>\n" + "   <DomainSubset>\n"
            + "      <ows11:BoundingBox crs=\"urn:ogc:def:crs:OGC:1.3:CRS84\">\n"
            + "         <ows11:LowerCorner>7.7634301664746515 45.14713380418506</ows11:LowerCorner>\n"
            + "         <ows11:UpperCorner>7.764350661575157 45.14763319238466</ows11:UpperCorner>\n"
            + "      </ows11:BoundingBox>\n" + "   </DomainSubset>\n" + "   <Output format=\"image/tiff\"/>\n"
            + "</GetCoverage>";

    MockHttpServletResponse response = postAsServletResponse("wcs", request);

    // parse the multipart, check there are two parts
    Multipart multipart = getMultipart(response);
    assertEquals(2, multipart.getCount());
    BodyPart coveragePart = multipart.getBodyPart(1);
    assertEquals("image/tiff", coveragePart.getContentType());
    assertEquals("<theCoverage>", coveragePart.getHeader("Content-ID")[0]);

    // make sure we can read the coverage back
    ImageReader reader = ImageIO.getImageReadersByFormatName("tiff").next();
    reader.setInput(ImageIO.createImageInputStream(coveragePart.getInputStream()));
    RenderedImage image = reader.read(0);

    // check the image is suitably small (without requiring an exact size)
    assertTrue(image.getWidth() < 1000);
    assertTrue(image.getHeight() < 1000);
}

---

From source file:org.geoserver.wcs.GetCoverageTest.java

/**
 * This tests just ended up throwing an exception as the coverage being encoded
 * was too large due to a bug in the scales estimation
 * /*from w  w w .  j  a v  a 2 s .  c o m*/
 * @throws Exception
 */
@Test
public void testRotatedGet() throws Exception {
    String request = "wcs?&service=WCS&request=GetCoverage&version=1.1.1&identifier=RotatedCad&BoundingBox=7.7634071540971386,45.14712131948007,7.76437367395267,45.14764567708965,urn:ogc:def:crs:OGC:1.3:CRS84&Format=image/tiff";
    MockHttpServletResponse response = getAsServletResponse(request);

    // parse the multipart, check there are two parts
    Multipart multipart = getMultipart(response);
    assertEquals(2, multipart.getCount());
    BodyPart coveragePart = multipart.getBodyPart(1);
    assertEquals("image/tiff", coveragePart.getContentType());
    assertEquals("<theCoverage>", coveragePart.getHeader("Content-ID")[0]);

    // make sure we can read the coverage back
    ImageReader reader = ImageIO.getImageReadersByFormatName("tiff").next();
    reader.setInput(ImageIO.createImageInputStream(coveragePart.getInputStream()));
    RenderedImage image = reader.read(0);

    // check the image is suitably small (without requiring an exact size)
    assertTrue(image.getWidth() < 1000);
    assertTrue(image.getHeight() < 1000);
}

---

From source file:org.freecine.filmscan.ScanStrip.java

/**
 Load the scan strip image from disk//from  w  w  w  . j a  v a2 s  .  c o  m
 */
private void loadImage() {
    ImageReader reader;
    try {
        //        PlanarImage img = JAI.create( "fileload", fname );
        ImageInputStream istrm = new FileImageInputStream(file);
        reader = ImageIO.getImageReadersByFormatName("TIFF").next();
        reader.setInput(istrm);
        ImageReadParam param = reader.getDefaultReadParam();

        /*
         Set the color mode to linear sRGB as we don't have a better profile
         for the scanner/film available
         */
        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_LINEAR_RGB);
        ImageLayout layout = new ImageLayout();
        ColorModel cm = new ComponentColorModel(cs, false, false, ColorModel.OPAQUE, DataBuffer.TYPE_USHORT);
        layout.setColorModel(cm);
        RenderingHints hints = new RenderingHints(JAI.KEY_IMAGE_LAYOUT, layout);
        stripImage = ImageReadDescriptor.create(istrm, 0, false, false, false, null, null, param, reader,
                hints);
        System.out.println("Color model " + stripImage.getColorModel());
        // BufferedImage inImg = reader.read( 0, param );            
    } catch (FileNotFoundException ex) {
        System.out.println(ex.getMessage());
        log.error("Strip file " + file + " not found", ex);
    } catch (IOException ex) {
        log.error("IO error reading strip " + file + ": ", ex);
    }
}

---

From source file:pl.edu.icm.visnow.system.main.VisNow.java

private static void startupInfo() {
    LOGGER.info("");
    LOGGER.info("");
    LOGGER.info("-------- VisNow startup info --------");

    if (debug) {//from  w w  w .j av  a2 s .  c o  m
        RuntimeMXBean RuntimemxBean = ManagementFactory.getRuntimeMXBean();
        List<String> aList = RuntimemxBean.getInputArguments();
        LOGGER.info(" * JVM startup flags:");
        for (int i = 0; i < aList.size(); i++) {
            LOGGER.info("    " + aList.get(i));
        }
        LOGGER.info("");
        Set<String> p = System.getProperties().stringPropertyNames();
        Iterator<String> ip = p.iterator();
        LOGGER.info(" * System properties:");
        String key;
        while (ip.hasNext()) {
            key = ip.next();
            LOGGER.info("    " + key + " = " + System.getProperty(key));
        }
        LOGGER.info("");

        Map<String, String> env = System.getenv();
        Set<String> envKeys = env.keySet();
        Iterator<String> envKeysI = envKeys.iterator();

        LOGGER.info(" * Environment variables:");
        while (envKeysI.hasNext()) {
            key = envKeysI.next();
            LOGGER.info("    " + key + " = " + env.get(key));
        }
        LOGGER.info("  ");
        LOGGER.info("------ Java Advanced Imaging info -------");
        String[] formats = ImageIO.getReaderFormatNames();
        String readerDescription, readerVendorName, readerVersion;
        ImageReader reader;
        ImageReaderSpi spi;
        for (int i = 0; i < formats.length; i++) {
            Iterator<ImageReader> tmpReaders = ImageIO.getImageReadersByFormatName(formats[i]);
            while (tmpReaders.hasNext()) {
                reader = tmpReaders.next();
                spi = reader.getOriginatingProvider();
                readerDescription = spi.getDescription(Locale.US);
                readerVendorName = spi.getVendorName();
                readerVersion = spi.getVersion();
                LOGGER.info("    " + formats[i] + ": " + readerDescription + " " + readerVendorName + " "
                        + readerVersion);
            }
        }
        LOGGER.info("-----------------------------------------");

    } else {

        LOGGER.info(" * System properties:");
        LOGGER.info("    java.runtime.name = " + System.getProperty("java.runtime.name"));
        LOGGER.info("    java.vm.version = " + System.getProperty("java.vm.version"));
        LOGGER.info("    java.vm.vendor = " + System.getProperty("java.vm.vendor"));
        LOGGER.info("    java.vm.name = " + System.getProperty("java.vm.name"));
        LOGGER.info("    java.specification.version = " + System.getProperty("java.specification.version"));
        LOGGER.info("    java.runtime.version = " + System.getProperty("java.runtime.version"));
        LOGGER.info("    os.arch = " + System.getProperty("os.arch"));
        LOGGER.info("    os.name = " + System.getProperty("os.name"));
        LOGGER.info("    os.version = " + System.getProperty("os.version"));
        LOGGER.info("    java.library.path = " + System.getProperty("java.library.path"));
        LOGGER.info("    java.class.path = " + System.getProperty("java.class.path"));
        LOGGER.info("    java.ext.dirs = " + System.getProperty("java.ext.dirs"));
        LOGGER.info("");
        LOGGER.info(" * Environment variables:");
        LOGGER.info("    JAVA_HOME = " + System.getenv("JAVA_HOME"));
        LOGGER.info("    PATH = " + System.getenv("PATH"));
        LOGGER.info("    LD_LIBRARY_PATH = " + System.getenv("LD_LIBRARY_PATH"));
        LOGGER.info("    CLASSPATH = " + System.getenv("CLASSPATH"));
        LOGGER.info("-------------------------------------");

    }
    LOGGER.info("");
    LOGGER.info("");

}

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From source file:net.frontlinesms.plugins.forms.FormsPluginController.java

private void convertByteImageToFile(byte[] imageByte, String path) throws Exception {
    System.out.println("path ...... convertByteImageToFile ......... " + path);

    ByteArrayInputStream bis = new ByteArrayInputStream(imageByte);
    Iterator<?> readers = ImageIO.getImageReadersByFormatName("jpg");

    ImageReader reader = (ImageReader) readers.next();
    Object source = bis;/* w w w . j  a  v  a  2s.co  m*/
    ImageInputStream iis = ImageIO.createImageInputStream(source);
    reader.setInput(iis, true);
    ImageReadParam param = reader.getDefaultReadParam();

    Image image = reader.read(0, param);
    //got an image file

    BufferedImage bufferedImage = new BufferedImage(image.getWidth(null), image.getHeight(null),
            BufferedImage.TYPE_INT_RGB);
    //bufferedImage is the RenderedImage to be written

    Graphics2D g2 = bufferedImage.createGraphics();
    g2.drawImage(image, null, null);

    File imageFile = new File(path);
    ImageIO.write(bufferedImage, "jpg", imageFile);
    System.out.println(" end write image ");
}

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