1 /* 2 * Copyright (C) 2007-2012 Argeo GmbH 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package org.argeo.slc.diff; 17 18 /** 19 * Converts data into a format better adapted for comparison. It is typically 20 * used to convert <code>String</code> into typed format such as 21 * <code>BigDecimal</code> 22 */ 23 public interface DataInterpreter { 24 /** 25 * Converts data 26 * 27 * @param key 28 * any object used to differentiate the type of data (e.g. 29 * column, path) 30 * @param value 31 * the data to convert 32 * @return the converted object 33 */ 34 public Object convert(Object key, Object value); 35 }