Example usage for javax.imageio.stream ImageInputStream close

Introduction

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

Prototype

void close() throws IOException;

Source Link

Document

Closes the stream.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    ImageInputStream imageStream = ImageIO.createImageInputStream(new URL("").openStream());
    Iterator<ImageReader> readers = ImageIO.getImageReaders(imageStream);
    ImageReader reader = null;/*from w  w w.j av  a2  s .  co  m*/
    if (!readers.hasNext()) {
        imageStream.close();
        return;
    } else {
        reader = readers.next();
    }
    String formatName = reader.getFormatName();
    if (!formatName.equalsIgnoreCase("jpeg") && !formatName.equalsIgnoreCase("png")
            && !formatName.equalsIgnoreCase("gif")) {
        imageStream.close();
        return;
    }
    reader.setInput(imageStream, true, true);
    BufferedImage theImage = reader.read(0);
    reader.dispose();
    imageStream.close();
}

From source file:Main.java

private static String getFormatName(Object o) {
    try {//from w w w  . java 2s  .  c om
        ImageInputStream iis = ImageIO.createImageInputStream(o);
        Iterator iter = ImageIO.getImageReaders(iis);
        if (!iter.hasNext()) {
            return null;
        }
        ImageReader reader = (ImageReader) iter.next();
        iis.close();

        return reader.getFormatName();
    } catch (IOException e) {
    }
    return null;
}

From source file:ar.com.zauber.common.image.impl.AbstractImage.java

/**
 * Validate if is holds an image. This method closes is.
 * //from   w w w . j av  a2 s . c o m
 * @param is image to validate
 * @throws IOException on i/o error.
 * @throws IllegalArgumentException if is doesn't represent an image
 */
public static void validateImage(final InputStream is) throws IOException, IllegalArgumentException {
    try {
        final ImageInputStream iis = ImageIO.createImageInputStream(is);
        final Iterator<ImageReader> i = ImageIO.getImageReaders(iis);
        iis.close();
        if (!i.hasNext()) {
            throw new IllegalArgumentException("don't know how to read " + "that type of images");
        }
    } finally {
        is.close();
    }
}

From source file:com.alibaba.simpleimage.util.ImageUtils.java

public static void closeQuietly(ImageInputStream inStream) {
    if (inStream != null) {
        try {/*w w w . ja v  a2s  .  co m*/
            inStream.close();
        } catch (IOException ignore) {

        }
    }
}

From source file:com.alibaba.simpleimage.util.ImageUtils.java

public static void closeQuietly(com.alibaba.simpleimage.io.ImageInputStream stream) {
    if (stream != null) {
        try {/*from   w w w  . j  a  v  a 2  s  . c o  m*/
            stream.close();
        } catch (IOException ignore) {

        }
    }
}

From source file:Main.java

public static BufferedImage readFragment(InputStream stream, Rectangle rect) throws IOException {
    ImageInputStream imageStream = ImageIO.createImageInputStream(stream);
    ImageReader reader = ImageIO.getImageReaders(imageStream).next();
    ImageReadParam param = reader.getDefaultReadParam();

    param.setSourceRegion(rect);/*  ww  w  . j a  v a  2s.c o  m*/
    reader.setInput(imageStream, true, true);
    BufferedImage image = reader.read(0, param);

    reader.dispose();
    imageStream.close();

    return image;
}

From source file:VASSAL.tools.io.IOUtils.java

/**
 * Close an {@link ImageInputStream} unconditionally. Equivalent to
 * calling <code>s.close()</code> when <code>s</code> is nonnull.
 * {@link IOException}s are quietly logged, as there is generally
 * nothing that can be done about exceptions on closing.
 *
 * @param s a (possibly <code>null</code>) <code>ImageInputStream</code>
 *//*from w  w  w.ja  va  2s  .  c  om*/
// Why doesn't ImageInputStream implement Closeable? Argh!
public static void closeQuietly(ImageInputStream s) {
    if (s == null)
        return;

    try {
        s.close();
    } catch (IOException e) {
        // ignore

        // Note that ImageInputStreamImpl.close() rather ridiculously throws
        // an IOException if the stream is already closed. This is always done
        // via ImageInputStreamImpl.checkClosed().
    }
}

From source file:ImageUtilities.java

/**
 * Returns the format of an image (as string).
 * /*from  ww w  .j a v a  2s  . c  o m*/
 * @param stream
 *            image source stream
 * 
 * @return format stream (e.g. "JPEG")
 * 
 * @throws IOException
 *             if an I/O error occured
 */
public static String getFormat(InputStream stream) throws IOException {
    ImageInputStream iis = ImageIO.createImageInputStream(stream);
    Iterator iter = ImageIO.getImageReaders(iis);
    if (!iter.hasNext()) {
        throw new IOException("Unsupported image format!");
    }
    ImageReader reader = (ImageReader) iter.next();
    iis.close();
    return reader.getFormatName();
}

From source file:lucee.runtime.img.ImageUtil.java

public static void closeEL(ImageInputStream iis) {
    try {//from   w  ww. j  av  a  2s.  c  o  m
        if (iis != null)
            iis.close();
    } catch (Throwable t) {
    }

}

From source file:common.utils.ImageUtils.java

/**
 * closes iis/*from   ww  w  .j  ava2s. c o m*/
 * @param iis
 * @return image from given stream or null if no readers found
 * @throws java.io.IOException
 */
public static BufferedImageHolder readImage(ImageInputStream iis) throws IOException {
    ImageReader reader = getImageReader(iis);
    if (reader == null) {
        iis.close();
        return null;
    }
    reader.setInput(iis, true, true);
    ImageReadParam param = reader.getDefaultReadParam();
    String format_name = reader.getFormatName();
    BufferedImage bi;
    try {
        bi = reader.read(0, param);
    } finally {
        reader.dispose();
        iis.close();
    }
    return new BufferedImageHolder(bi, format_name);
}