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