in kafka/hbase-kafka-proxy/src/main/java/org/apache/hadoop/hbase/kafka/Rule.java [111:127]
public void setQualifier(byte[] qualifier) {
this.qualifier = qualifier;
if (startsWith(qualifier, ast)) {
qualifierEndsWith = true;
this.qualifier = ArrayUtils.subarray(this.qualifier, ast.length, this.qualifier.length);
}
if (endsWith(qualifier, ast)) {
qualifierStartsWith = true;
this.qualifier = ArrayUtils.subarray(this.qualifier, 0, this.qualifier.length - ast.length);
}
if ((qualifierStartsWith) || (qualifierEndsWith)) {
if (this.qualifier.length == 0) {
this.qualifier = null;
}
}
}