001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019package org.apache.reef.wake.remote.impl; 020 021import org.apache.reef.wake.remote.Codec; 022 023import java.nio.charset.StandardCharsets; 024 025/** 026 * Codec that encodes/decodes a string. 027 */ 028public class StringCodec implements Codec<String> { 029 030 /** 031 * Returns a byte array representation of the string. 032 * 033 * @param obj the string 034 * @return a byte array representation of the string 035 */ 036 @Override 037 public byte[] encode(final String obj) { 038 return obj.getBytes(StandardCharsets.UTF_8); 039 } 040 041 /** 042 * Returns a string decoded from the byte array. 043 * 044 * @param buf the byte array 045 * @return a string 046 */ 047 @Override 048 public String decode(final byte[] buf) { 049 return new String(buf, StandardCharsets.UTF_8); 050 } 051} 052