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/**
 * 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.storm.kafka; import java.nio.ByteBuffer; import java.util.List; import com.google.common.collect.ImmutableMap; import org.apache.storm.tuple.Values; public class StringKeyValueScheme extends StringScheme implements KeyValueScheme { private static final long serialVersionUID = 2415900803568412571L; @Override public List deserializeKeyAndValue(byte[] key, byte[] value) { if (key == null) { return deserialize(ByteBuffer.wrap(value)); } String keyString = StringScheme.deserializeString(key); String valueString = StringScheme.deserializeString(value); return new Values(ImmutableMap.of(keyString, valueString)); } }