[120] | 1 | /** |
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| 2 | * Licensed to the Apache Software Foundation (ASF) under one |
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| 3 | * or more contributor license agreements. See the NOTICE file |
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| 4 | * distributed with this work for additional information |
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| 5 | * regarding copyright ownership. The ASF licenses this file |
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| 6 | * to you under the Apache License, Version 2.0 (the |
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| 7 | * "License"); you may not use this file except in compliance |
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| 8 | * with the License. You may obtain a copy of the License at |
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| 9 | * |
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| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 11 | * |
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| 12 | * Unless required by applicable law or agreed to in writing, software |
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| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 15 | * See the License for the specific language governing permissions and |
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| 16 | * limitations under the License. |
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| 17 | */ |
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| 18 | |
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| 19 | package org.apache.hadoop.cli.util; |
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| 20 | |
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| 21 | import java.util.StringTokenizer; |
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| 22 | import java.util.regex.Matcher; |
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| 23 | import java.util.regex.Pattern; |
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| 24 | |
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| 25 | /** |
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| 26 | * Comparator for the Command line tests. |
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| 27 | * |
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| 28 | * This comparator searches for the regular expression specified in 'expected' |
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| 29 | * in the string 'actual' and returns true if the regular expression match is |
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| 30 | * done |
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| 31 | * |
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| 32 | */ |
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| 33 | public class RegexpComparator extends ComparatorBase { |
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| 34 | |
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| 35 | @Override |
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| 36 | public boolean compare(String actual, String expected) { |
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| 37 | boolean success = false; |
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| 38 | Pattern p = Pattern.compile(expected); |
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| 39 | |
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| 40 | StringTokenizer tokenizer = new StringTokenizer(actual, "\n\r"); |
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| 41 | while (tokenizer.hasMoreTokens() && !success) { |
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| 42 | String actualToken = tokenizer.nextToken(); |
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| 43 | Matcher m = p.matcher(actualToken); |
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| 44 | success = m.matches(); |
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| 45 | } |
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| 46 | |
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| 47 | return success; |
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| 48 | } |
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| 49 | |
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| 50 | } |
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