/* | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you under the Apache License, Version 2.0 (the | |
* "License"); you may not use this file except in compliance | |
* with the License. You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, | |
* software distributed under the License is distributed on an | |
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
* KIND, either express or implied. See the License for the | |
* specific language governing permissions and limitations | |
* under the License. | |
*/ | |
package spell.checker; | |
import org.apache.felix.ipojo.annotations.Component; | |
import org.apache.felix.ipojo.annotations.Instantiate; | |
import org.apache.felix.ipojo.annotations.Provides; | |
import org.apache.felix.ipojo.annotations.Requires; | |
import spell.services.DictionaryService; | |
import spell.services.SpellChecker; | |
import java.util.ArrayList; | |
import java.util.List; | |
import java.util.StringTokenizer; | |
@Component | |
@Provides | |
@Instantiate | |
public class SpellCheck implements SpellChecker { | |
@Requires // This is a service dependency. | |
private DictionaryService dictionary; | |
/** | |
* Implements SpellChecker.check(). Checks the given passage for misspelled words. | |
* | |
* @param passage the passage to spell check. | |
* @return An array of misspelled words or null if no words are misspelled. | |
*/ | |
public String[] check(String passage) { | |
// No misspelled words for an empty string. | |
if ((passage == null) || (passage.length() == 0)) { | |
return null; | |
} | |
List<String> errorList = new ArrayList<String>(); | |
// Tokenize the passage using spaces and punctuation. | |
StringTokenizer st = new StringTokenizer(passage, " ,.!?;:"); | |
// Loop through each word in the passage. | |
while (st.hasMoreTokens()) { | |
String word = st.nextToken(); | |
// Check the current word. | |
if (!dictionary.checkWord(word)) { | |
// If the word is not correct, then add it | |
// to the incorrect word list. | |
errorList.add(word); | |
} | |
} | |
// Return null if no words are incorrect. | |
if (errorList.size() == 0) { | |
return null; | |
} | |
// Return the array of incorrect words. | |
System.out.println("Wrong words:" + errorList); | |
return errorList.toArray(new String[errorList.size()]); | |
} | |
} |