Example usage for javax.imageio.stream ImageInputStream getStreamPosition

Introduction

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

Prototype

long getStreamPosition() throws IOException;

Source Link

Document

Returns the current byte position of the stream.

Usage

From source file:org.apache.xmlgraphics.image.loader.impl.AbstractImageSessionContext.java

/** {@inheritDoc} */
public void returnSource(String uri, Source src) {
    //Safety check to make sure the Preloaders behave
    ImageInputStream in = ImageUtil.getImageInputStream(src);
    try {/*from  w ww .  j a v a2  s  . c o m*/
        if (in != null && in.getStreamPosition() != 0) {
            throw new IllegalStateException("ImageInputStream is not reset for: " + uri);
        }
    } catch (IOException ioe) {
        //Ignore exception
        ImageUtil.closeQuietly(src);
    }

    if (isReusable(src)) {
        //Only return the Source if it's reusable
        log.debug("Returning Source for " + uri);
        sessionSources.put(uri, src);
    } else {
        //Otherwise, try to close if possible and forget about it
        ImageUtil.closeQuietly(src);
    }
}

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