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annotate src/org/tmatesoft/hg/internal/PathScope.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 1ec6b327a6ac
children 072b5f3ed0c8
rev   line source
229
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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
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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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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.ArrayList;
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20
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21 import org.tmatesoft.hg.util.Path;
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22
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23 /**
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24 * @author Artem Tikhomirov
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25 * @author TMate Software Ltd.
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26 */
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27 public class PathScope implements Path.Matcher {
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28 private final Path[] files;
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29 private final Path[] dirs;
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30 private final boolean recursiveDirs;
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31
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32 public PathScope(boolean recursiveDirs, Path... paths) {
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33 if (paths == null) {
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34 throw new IllegalArgumentException();
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35 }
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36 this.recursiveDirs = recursiveDirs;
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37 ArrayList<Path> f = new ArrayList<Path>(5);
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38 ArrayList<Path> d = new ArrayList<Path>(5);
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39 for (Path p : paths) {
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40 if (p.isDirectory()) {
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41 d.add(p);
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42 } else {
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43 f.add(p);
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44 }
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45 }
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46 files = f.toArray(new Path[f.size()]);
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47 dirs = d.toArray(new Path[d.size()]);
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48 }
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49
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50 public boolean accept(Path path) {
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51 if (path.isDirectory()) {
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52 // either equals to or parent of a directory we know about.
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53 // If recursiveDirs, accept also if nested to one of our directories.
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54 // If one of configured files is nested under the path, accept.
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55 for (Path d : dirs) {
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56 switch(d.compareWith(path)) {
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57 case Same : return true;
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58 case Nested : return true;
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59 case Parent : return recursiveDirs;
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60 }
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61 }
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62 for (Path f : files) {
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63 if (f.compareWith(path) == Path.CompareResult.Nested) {
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64 return true;
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65 }
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66 }
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67 } else {
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68 for (Path d : dirs) {
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69 if (d.compareWith(path) == Path.CompareResult.Parent) {
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70 return true;
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71 }
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72 }
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73 for (Path f : files) {
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74 if (f.equals(path)) {
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75 return true;
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76 }
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77 }
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78 // either lives in a directory in out scope
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79 // or there's a file that matches the path
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80 }
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81 // TODO Auto-generated method stub
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82 return false;
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83 }
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84 }