How to Calculate Image Dimensions in Java

The following code snippet shows how to calculate image dimension in java by reading the file from specified path.


public static Dimension getImageDimension(final File path) {
if (path == null) return null;

Dimension result = null;
String suffix = getFileExtension(path.toString());
if (suffix.startsWith("."))
suffix = suffix.substring(1);


final Iterator<ImageReader> iterator = ImageIO.getImageReadersBySuffix(suffix);
if (iterator.hasNext()) {
final ImageReader reader = iterator.next();
try {
...
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