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package jogamp.opengl.util.pngj.chunks;
import jogamp.opengl.util.pngj.ImageInfo;
/**
* PNG chunk type (abstract) that does not allow multiple instances in same image.
*/
public abstract class PngChunkSingle extends PngChunk {
protected PngChunkSingle(String id, ImageInfo imgInfo) {
super(id, imgInfo);
}
public final boolean allowsMultiple() {
return false;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((id == null) ? 0 : id.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
PngChunkSingle other = (PngChunkSingle) obj;
if (id == null) {
if (other.id != null)
return false;
} else if (!id.equals(other.id))
return false;
return true;
}
}
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