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#266: Fix NPE for empty streams.

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Harald Kuhr
2016-06-23 13:26:58 +02:00
parent c2aa7e3150
commit 9a6096664e
2 changed files with 28 additions and 5 deletions
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imageio/imageio-jpeg/src/main/java/com/twelvemonkeys/imageio/plugins/jpeg/JPEGSegmentImageInputStream.java
+10 -5
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@@ -240,16 +240,21 @@ final class JPEGSegmentImageInputStream extends ImageInputStreamImpl {
private void streamInit() throws IOException {
stream.seek(0);
int soi = stream.readUnsignedShort();
if (soi != JPEG.SOI) {
throw new IIOException(String.format("Not a JPEG stream (starts with: 0x%04x, expected SOI: 0x%04x)", soi, JPEG.SOI));
}
else {
try {
int soi = stream.readUnsignedShort();
if (soi != JPEG.SOI) {
throw new IIOException(String.format("Not a JPEG stream (starts with: 0x%04x, expected SOI: 0x%04x)", soi, JPEG.SOI));
}
segment = new Segment(soi, 0, 0, 2);
segments.add(segment);
currentSegment = segments.size() - 1; // 0
}
catch (EOFException eof) {
throw new IIOException(String.format("Not a JPEG stream (short stream. expected SOI: 0x%04x)", JPEG.SOI), eof);
}
}
static boolean isAppSegmentMarker(final int marker) {