| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * Licensed 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 com.intellij.spellchecker.engine; |
| |
| import com.intellij.util.containers.hash.HashSet; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.Collection; |
| import java.util.Set; |
| |
| @SuppressWarnings({"ALL"}) |
| public class Transformation { |
| |
| @Nullable |
| public String transform(@Nullable String word) { |
| if (word == null || word.trim().length() < 3) { |
| return null; |
| } |
| return word.trim().toLowerCase(); |
| } |
| |
| @Nullable |
| public Set<String> transform(@Nullable Collection<String> words) { |
| if (words == null || words.isEmpty()) { |
| return null; |
| } |
| Set<String> result = new HashSet<String>(); |
| for (String word : words) { |
| String transformed = transform(word); |
| if (transformed != null) { |
| result.add(transformed); |
| } |
| } |
| return result; |
| } |
| } |