Method getExifData

ij/src/main/java/ij/plugin/ImageInfo.java:114–146

(ImagePlus imp)

	}

	public String getExifData(ImagePlus imp) {
		FileInfo fi = imp.getOriginalFileInfo();
		if (fi==null)
			return null;
		String directory = fi.directory;
		String name = fi.fileName;
		if (directory==null)
			return null;
		if ((name==null||name.equals("")) && imp.getStack().isVirtual())
			name = imp.getStack().getSliceLabel(imp.getCurrentSlice());
		if (name==null || !(name.endsWith("jpg")||name.endsWith("JPG")))
			return null;
		String path = directory + name;
		String metadata = null;
		try {
			Class c = IJ.getClassLoader().loadClass("Exif_Reader");
			if (c==null) return null;
			String methodName = "getMetadata";
			Class[] argClasses = new Class[1];
			argClasses[0] = methodName.getClass();
			Method m = c.getMethod("getMetadata", argClasses);
			Object[] args = new Object[1];
			args[0] = path;
			Object obj = m.invoke(null, args);
			metadata = obj!=null?obj.toString():null;
		} catch(Exception e) {
			return null;
		}
		if (metadata!=null && !metadata.startsWith("Error:"))
			return metadata;
		else
			return null;
	}

	private String getInfo(ImagePlus imp, ImageProcessor ip) {
		String s = new String("");