1 /* 2 * Copyright 2007 Kasper B. Graversen 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.supercsv.encoder; 17 18 import org.supercsv.prefs.CsvPreference; 19 import org.supercsv.util.CsvContext; 20 21 /** 22 * Defines the interface for all CSV encoders. 23 * 24 * @author James Bassett 25 * @since 2.1.0 26 */ 27 public interface CsvEncoder { 28 29 /** 30 * Encodes a String to be written to a CSV file. The encoder should honour all CSV preferences including updating 31 * the current lineNumber (in the CSV context - it will be updated in the calling CsvWriter after encoding has 32 * completed) as line terminators are encountered in the String to be escaped (converting all 3 variations of line 33 * terminators to the end of line symbols specified in the preferences). The CsvContext can also be used to encode 34 * based on the current context (e.g. you may want to always put quotes around a particular column). 35 * 36 * @param input 37 * the String to be encoded 38 * @param context 39 * the context 40 * @param preference 41 * the CSV preferences 42 * @return the encoded CSV 43 */ 44 String encode(String input, CsvContext context, CsvPreference preference); 45 46 }