private 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 ImagePlus openImage(String directory, String name, String path) {
Object o = tryOpen(directory, name, path);
// if an image was returned, assume success
if (o instanceof ImagePlus) return (ImagePlus) o;
// try opening the file with LOCI Bio-Formats plugin - always check this last!
// Do not call Bio-Formats if File>Import>Image Sequence is opening this file.
if (o == null
&& (IJ.getVersion().compareTo("1.38j") < 0 || !IJ.redirectingErrorMessages())
&& (new File(path).exists())) {
Object loci = IJ.runPlugIn("loci.plugins.LociImporter", path);
if (loci != null) {
// plugin exists and was launched
try {
// check whether plugin was successful
Class c = loci.getClass();
boolean success = c.getField("success").getBoolean(loci);
boolean canceled = c.getField("canceled").getBoolean(loci);
if (success || canceled) {
width = IMAGE_OPENED;
return null;
}
} catch (Exception exc) {
}
}
}
return null;
} // openImage
// Use reflection to get version since early versions
// of ImageJ do not have the IJ.getVersion() method.
String version() {
String version = "";
try {
Class ijClass = ImageJ.class;
Field field = ijClass.getField("VERSION");
version = (String) field.get(ijClass);
} catch (Exception ex) {
}
return version;
}