jodd-json/src/main/java/jodd/json/JsonObject.java
public byte[] getBinary(final String key, final byte[] def) {
		byte[] val = getBinary(key);

		if (val == null) {
			if (map.containsKey(key)) {
				return null;
			}
			return def;
		}

		return val;

	}
public byte[] getBinary(final String key, final byte[] def) {
		byte[] val = getBinary(key);

		if (val == null) {
			if (map.containsKey(key)) {
				return null;
			}
			return def;
		}

		return val;

	}
public byte [ ] getBinary ( final String key , final byte [ ] def ) { byte [ ] val = getBinary ( key ) ; if ( val == null ) { if ( map . containsKey ( key ) ) { return null ; } return def ; } return val ; }
Like {@link #getBinary(String)} but specifies a default value to return if there is no entry.
Like {