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annotate src/org/tmatesoft/hg/internal/PathRegexpMatcher.java @ 338:3cfa4d908fc9

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Add options to control DataAccessProvider, allow to turn off use of file memory mapping in particular to solve potential sharing violation (os file handle gets released on MappedByteByffer being GC'd, not on FileChannel.close())
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Tue, 15 Nov 2011 04:47:03 +0100
parents 4a948ec83980
children
rev   line source
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46291ec605a0 Filters to read and initialize according to configuration files
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1 /*
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2 * Copyright (c) 2011 TMate Software Ltd
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
46291ec605a0 Filters to read and initialize according to configuration files
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6 * the Free Software Foundation; version 2 of the License.
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7 *
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8 * This program is distributed in the hope that it will be useful,
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 * GNU General Public License for more details.
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12 *
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13 * For information on how to redistribute this software under
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14 * the terms of a license other than GNU General Public License
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7567f4a42fe5 Correct contact address
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15 * contact TMate Software at support@hg4j.com
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16 */
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17 package org.tmatesoft.hg.internal;
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18
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19 import java.util.regex.Pattern;
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20 import java.util.regex.PatternSyntaxException;
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21
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4a948ec83980 core.Path to util.Path as it's not Hg repo dependant
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22 import org.tmatesoft.hg.util.Path;
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23 import org.tmatesoft.hg.util.Path.Matcher;
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24
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25 /**
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26 *
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27 * @author Artem Tikhomirov
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28 * @author TMate Software Ltd.
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29 */
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30 public class PathRegexpMatcher implements Matcher {
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31 private Pattern[] patterns;
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32
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33 // disjunction, matches if any pattern found
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34 // uses pattern.find(), not pattern.matches()
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35 public PathRegexpMatcher(Pattern... p) {
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36 if (p == null) {
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37 throw new IllegalArgumentException();
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38 }
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39 patterns = p;
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40 }
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41
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42 public PathRegexpMatcher(String... p) throws PatternSyntaxException {
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43 this(compile(p));
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44 }
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45
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46 private static Pattern[] compile(String[] p) throws PatternSyntaxException {
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47 // deliberately do no check for null, let it fail
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48 Pattern[] rv = new Pattern[p.length];
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49 int i = 0;
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50 for (String s : p) {
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51 rv[i++] = Pattern.compile(s);
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52 }
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53 return rv;
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54 }
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55
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56 public boolean accept(Path path) {
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57 for (Pattern p : patterns) {
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58 if (p.matcher(path).find()) {
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59 return true;
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60 }
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61 }
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62 return false;
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63 }
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64 }