1 /**
2 * Copyright (c) 2004-2011 QOS.ch
3 * All rights reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be
14 * included in all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 *
24 */
25 package org.slf4j.migrator.line;
26
27 import java.util.ArrayList;
28 import java.util.Iterator;
29 import java.util.regex.Pattern;
30
31 import org.slf4j.migrator.line.ConversionRule;
32 import org.slf4j.migrator.line.MultiGroupConversionRule;
33 import org.slf4j.migrator.line.RuleSet;
34 import org.slf4j.migrator.line.SingleConversionRule;
35
36 class TrivialMatcher implements RuleSet {
37
38 private ArrayList<ConversionRule> conversionRuleList;
39
40 public TrivialMatcher() {
41 //simple rule no capturing group is defined, we use default capturing group which is group zero
42 SingleConversionRule cr = new SingleConversionRule(Pattern.compile("import org.slf4j.converter"),
43 "simple replacement with an unique capturing group");
44
45 //we define 4 differents capturing groups
46 MultiGroupConversionRule cr1 = new MultiGroupConversionRule(Pattern.compile("(first group)( second group)( third group)( 4th group)"));
47 //group zero is ignored during treatment
48 //replacement for the first
49 cr1.addReplacement(1, "1st group");
50 //no replacement for the second group it will remains the same
51 //empty string for the third group it will be deleted
52 cr1.addReplacement(3, "");
53 //no replacement for the third group it will remains the same
54
55 conversionRuleList = new ArrayList<ConversionRule>();
56 conversionRuleList.add(cr);
57 conversionRuleList.add(cr1);
58 }
59
60 public Iterator<ConversionRule> iterator() {
61 return conversionRuleList.iterator();
62 }
63
64
65 }