Refactor ImageMetadata API

This commit is contained in:
Reinhard Pointner 2017-02-26 22:22:04 +08:00
parent 8b79c595f3
commit c16dbc3741
2 changed files with 25 additions and 28 deletions

View File

@ -207,14 +207,17 @@ public class MediaBindingBean {
if (infoObject instanceof File) {
File f = (File) infoObject;
return new ImageMetadata(f).getDateTaken().map(SimpleDate::new).orElseGet(() -> {
try {
return new ImageMetadata(f).getDateTaken().map(SimpleDate::new).get();
} catch (Exception e) {
// ignore and default to file creation date
}
try {
return new SimpleDate(getCreationDate(f));
} catch (Exception e) {
debug.warning(e::toString);
}
return null;
});
}
return null;

View File

@ -32,28 +32,24 @@ import net.filebot.util.FileUtilities.ExtensionFileFilter;
public class ImageMetadata {
private File file;
private Metadata metadata;
private final Metadata metadata;
public ImageMetadata(File file) {
this.file = file;
public ImageMetadata(File file) throws ImageProcessingException, IOException {
if (SUPPORTED_FILE_TYPES.accept(file)) {
throw new IllegalArgumentException("Image type not supported: " + file);
}
protected synchronized Metadata getMetadata() throws ImageProcessingException, IOException {
if (metadata == null) {
metadata = ImageMetadataReader.readMetadata(file);
}
return metadata;
}
protected boolean accept(Directory directory) {
return !directory.getName().matches("JPEG|JFIF|Interoperability|Huffman|File");
}
public Map<String, String> snapshot(Function<Tag, String> key) throws ImageProcessingException, IOException {
public Map<String, String> snapshot(Function<Tag, String> key) {
Map<String, String> values = new LinkedHashMap<String, String>();
for (Directory directory : getMetadata().getDirectories()) {
for (Directory directory : metadata.getDirectories()) {
if (accept(directory)) {
for (Tag tag : directory.getTags()) {
String v = tag.getDescription();
@ -131,17 +127,15 @@ public class ImageMetadata {
country, administrative_area_level_1, administrative_area_level_2, administrative_area_level_3, administrative_area_level_4, sublocality, neighborhood, route;
}
protected <T> Optional<T> extract(Function<Metadata, T> extract) {
if (SUPPORTED_FILE_TYPES.accept(file)) {
public <T> Optional<T> extract(Function<Metadata, T> extract) {
try {
return Optional.ofNullable(extract.apply(getMetadata()));
return Optional.ofNullable(extract.apply(metadata));
} catch (Exception e) {
debug.warning(e::toString);
}
}
return Optional.empty();
}
public static final FileFilter SUPPORTED_FILE_TYPES = new ExtensionFileFilter("jpg", "jpeg", "png", "webp", "gif", "ico", "bmp", "tiff", "psd", "pcx", "raw", "crw", "cr2", "nef", "orf", "raf", "rw2", "rwl", "srw", "arw", "dng", "x3f", "mov", "mp4", "m4v", "3g2", "3gp", "3gp");
public static final FileFilter SUPPORTED_FILE_TYPES = new ExtensionFileFilter("jpg", "jpeg", "png", "webp", "gif", "ico", "bmp", "tif", "tiff", "psd", "pcx", "raw", "crw", "cr2", "nef", "orf", "raf", "rw2", "rwl", "srw", "arw", "dng", "x3f", "mov", "mp4", "m4v", "3g2", "3gp", "3gp");
}