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TMI-JPEG: Regression fix for NPE in metadata if delegate returns null metadata.

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Harald Kuhr 2013-09-28 12:32:01 +02:00
parent 1acc04eeaf
commit c8061eb0c4
1 changed files with 12 additions and 10 deletions
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22
imageio/imageio-jpeg/src/main/java/com/twelvemonkeys/imageio/plugins/jpeg/JPEGImageReader.java
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@ -1006,9 +1006,10 @@ public class JPEGImageReader extends ImageReaderBase {
public IIOMetadata getImageMetadata(int imageIndex) throws IOException {
IIOMetadata metadata = delegate.getImageMetadata(imageIndex);
String format = metadata.getNativeMetadataFormatName();
IIOMetadataNode tree = (IIOMetadataNode) metadata.getAsTree(format);
Node jpegVariety = tree.getElementsByTagName("JPEGvariety").item(0);
if (metadata != null) {
String format = metadata.getNativeMetadataFormatName();
IIOMetadataNode tree = (IIOMetadataNode) metadata.getAsTree(format);
Node jpegVariety = tree.getElementsByTagName("JPEGvariety").item(0);
// TODO: Allow EXIF (as app1EXIF) in the JPEGvariety (sic) node.
// As EXIF is (a subset of) TIFF, (and the EXIF data is a valid TIFF stream) probably use something like:
@ -1030,16 +1031,17 @@ public class JPEGImageReader extends ImageReaderBase {
the version to the method/constructor used to obtain an IIOMetadata object.)
*/
IIOMetadataNode app2ICC = new IIOMetadataNode("app2ICC");
app2ICC.setUserObject(getEmbeddedICCProfile(true));
Node jpegVarietyFirstChild = jpegVariety.getFirstChild();
if (jpegVarietyFirstChild != null) {
jpegVarietyFirstChild.appendChild(app2ICC);
}
IIOMetadataNode app2ICC = new IIOMetadataNode("app2ICC");
app2ICC.setUserObject(getEmbeddedICCProfile(true));
Node jpegVarietyFirstChild = jpegVariety.getFirstChild();
if (jpegVarietyFirstChild != null) {
jpegVarietyFirstChild.appendChild(app2ICC);
}
// new XMLSerializer(System.err, System.getProperty("file.encoding")).serialize(tree, false);
metadata.mergeTree(format, tree);
metadata.mergeTree(format, tree);
}
return metadata;
}