org.apache.kafka.common.serialization.BooleanDeserializer Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.kafka.common.serialization;
import org.apache.kafka.common.errors.SerializationException;
public class BooleanDeserializer implements Deserializer {
private static final byte TRUE = 0x01;
private static final byte FALSE = 0x00;
@Override
public Boolean deserialize(final String topic, final byte[] data) {
if (data == null) {
return null;
}
if (data.length != 1) {
throw new SerializationException("Size of data received by BooleanDeserializer is not 1");
}
if (data[0] == TRUE) {
return true;
} else if (data[0] == FALSE) {
return false;
} else {
throw new SerializationException("Unexpected byte received by BooleanDeserializer: " + data[0]);
}
}
}