1 /* 2 * Copyright (C) 2008,2009 OMRON SOFTWARE Co., Ltd. 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 17 package jp.co.omronsoft.openwnn; 18 19 /** 20 * The filter class for candidates. 21 * This class is used for filtering candidates by {link WnnEngine}. 22 * 23 * @author Copyright (C) 2009 OMRON SOFTWARE CO., LTD. All Rights Reserved. 24 * 25 */ 26 public class CandidateFilter { 27 /** Filtering pattern (No filter) */ 28 public static final int FILTER_NONE = 0x0; 29 /** Filtering pattern (Non ASCII) */ 30 public static final int FILTER_NON_ASCII = 0x2; 31 32 /** Current filter type */ 33 public int filter = 0; 34 35 /** 36 * Checking whether a specified word is filtered. 37 * 38 * @param word A word 39 * @return {@code true} if the word is allowed; {@code false} if the word is denied. 40 */ isAllowed(WnnWord word)41 public boolean isAllowed(WnnWord word) { 42 if (filter == 0) { 43 return true; 44 } 45 if ((filter & FILTER_NON_ASCII) != 0) { 46 String str = word.candidate; 47 for (int i = 0; i < str.length(); i++) { 48 if (str.charAt(i) < 0x20 || 0x7E < str.charAt(i)) { 49 return false; 50 } 51 } 52 } 53 return true; 54 } 55 } 56