1 /* 2 * Copyright 2010 The Apache Software Foundation 3 * 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, software 15 * distributed under the License is distributed on an "AS IS" BASIS, 16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17 * See the License for the specific language governing permissions and 18 * limitations under the License. 19 */ 20 21 package org.apache.hadoop.hbase.rest.transform; 22 23 /** 24 * Data transformation module 25 */ 26 public interface Transform { 27 28 /*** Transfer direction */ 29 static enum Direction { 30 /** From client to server */ 31 IN, 32 /** From server to client */ 33 OUT 34 }; 35 36 /** 37 * Transform data from one representation to another according to 38 * transfer direction. 39 * @param data input data 40 * @param direction IN or OUT 41 * @return the transformed data 42 */ 43 byte[] transform (byte[] data, Direction direction); 44 }