| /** |
| * 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 org.apache.hadoop.cli.util; |
| |
| import java.util.StringTokenizer; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| /** |
| * Comparator for the Command line tests. |
| * |
| * This comparator searches for the regular expression specified in 'expected' |
| * in the string 'actual' and returns true if the regular expression match is |
| * done |
| * |
| */ |
| public class RegexpComparator extends ComparatorBase { |
| |
| @Override |
| public boolean compare(String actual, String expected) { |
| boolean success = false; |
| Pattern p = Pattern.compile(expected); |
| |
| StringTokenizer tokenizer = new StringTokenizer(actual, "\n\r"); |
| while (tokenizer.hasMoreTokens() && !success) { |
| String actualToken = tokenizer.nextToken(); |
| Matcher m = p.matcher(actualToken); |
| success = m.matches(); |
| } |
| |
| return success; |
| } |
| |
| } |