| /* |
| * 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 |
| * |
| * https://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 filter.ccimpl; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| import org.apache.commons.collections4.CollectionUtils; |
| import org.apache.commons.collections4.Predicate; |
| import filter.IFilter; |
| |
| public class CCFilter implements IFilter { |
| |
| public String[] filter(String[] values, final String prefix) { |
| if (values == null) { |
| return null; |
| } |
| if (prefix == null) { |
| return values; |
| } |
| |
| List<String> result = new ArrayList<>(Arrays.asList(values)); |
| CollectionUtils.filter(result, new Predicate<String>() { |
| public boolean evaluate(String string) { |
| return string != null && string.startsWith(prefix); |
| } |
| }); |
| return result.toArray(new String[result.size()]); |
| } |
| } |