1 | /**
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2 | * PermissionPair.java
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3 | * Copyright (C) 2010 New Zealand Digital Library, http://expeditee.org
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4 | *
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5 | * This program is free software: you can redistribute it and/or modify
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6 | * it under the terms of the GNU General Public License as published by
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7 | * the Free Software Foundation, either version 3 of the License, or
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8 | * (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program. If not, see <http://www.gnu.org/licenses/>.
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17 | */
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18 |
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19 | package org.expeditee.items;
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20 |
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21 | import java.util.Arrays;
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22 | import java.util.List;
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23 |
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24 | import org.expeditee.settings.UserSettings;
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25 |
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26 | public class PermissionTriple {
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27 |
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28 | private UserAppliedPermission ownerPermission;
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29 | private UserAppliedPermission groupPermission;
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30 | private UserAppliedPermission otherPermission;
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31 |
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32 | public PermissionTriple(String permissionCode, UserAppliedPermission defaultPermission) {
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33 | ownerPermission = defaultPermission;
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34 | groupPermission = defaultPermission;
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35 | otherPermission = defaultPermission;
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36 |
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37 | if (permissionCode != null && permissionCode.length() > 0) {
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38 | permissionCode = permissionCode.trim().toLowerCase();
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39 |
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40 | int numberOfMinuses = permissionCode.chars().reduce(0, (a, b) -> b == '-' ? a + 1 : a);
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41 | String[] codes = new String[3];
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42 | Arrays.fill(codes, "");
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43 | if (permissionCode.length() == 1 + numberOfMinuses) {
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44 | codes[0] = permissionCode;
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45 | } else {
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46 | int i = 0;
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47 | for (char c : permissionCode.toCharArray()) {
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48 | try {
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49 | int asInt = Integer.parseInt(c + "");
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50 | codes[i] += asInt + "";
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51 | i++;
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52 | } catch (NumberFormatException e) {
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53 | if (c == '-') {
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54 | codes[i] += c + "";
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55 | }
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56 | }
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57 | }
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58 | }
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59 |
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60 | this.ownerPermission = UserAppliedPermission.getPermission(codes[0], this.ownerPermission);
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61 | if (codes[1].length() == 0) { // If there is only a permission code for owner.
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62 | this.groupPermission = UserAppliedPermission.getPermission(codes[0], this.groupPermission);
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63 | this.otherPermission = UserAppliedPermission.getPermission(codes[0], this.otherPermission);
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64 | } else if (codes[2].length() == 0) { // If there is only two of three permission codes specified.
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65 | this.groupPermission = UserAppliedPermission.getPermission(codes[1], this.groupPermission);
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66 | this.otherPermission = UserAppliedPermission.getPermission(codes[1], this.otherPermission);
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67 | } else { // If all permission codes are specified.
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68 | this.groupPermission = UserAppliedPermission.getPermission(codes[1], this.groupPermission);
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69 | this.otherPermission = UserAppliedPermission.getPermission(codes[2], this.otherPermission);
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70 | }
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71 | }
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72 | }
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73 |
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74 | public PermissionTriple(UserAppliedPermission ownerPermission, UserAppliedPermission groupPermission, UserAppliedPermission otherPermission) {
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75 | this.ownerPermission = ownerPermission;
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76 | this.groupPermission = groupPermission;
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77 | this.otherPermission = otherPermission;
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78 | }
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79 |
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80 | public PermissionTriple(UserAppliedPermission permissionForAll) {
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81 | this(permissionForAll, permissionForAll, permissionForAll);
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82 | }
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83 |
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84 | public PermissionTriple(PermissionTriple pt) {
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85 | this.ownerPermission = pt.ownerPermission;
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86 | this.groupPermission = pt.groupPermission;
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87 | this.otherPermission = pt.otherPermission;
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88 | }
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89 |
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90 | public UserAppliedPermission getPermission(String ownerOfItem, List<String> group) {
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91 | if (UserSettings.UserName.get().equals(ownerOfItem)) {
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92 | return ownerPermission;
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93 | } else if (group.contains(UserSettings.UserName.get())) {
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94 | return groupPermission;
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95 | } else {
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96 | return otherPermission;
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97 | }
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98 | }
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99 |
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100 | /**
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101 | * Converts the given Expeditee permission code into a PermissionPair
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102 | * corresponding to the constants defined in Item.
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103 | *
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104 | * @param permissionCode
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105 | * The Expeditee permission code to convert
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106 | * @return The resulting PermissionPair corresponding to a pair of constants as
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107 | * defined in Item
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108 | */
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109 | public static PermissionTriple convertString(String permissionCode) {
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110 | PermissionTriple pt = new PermissionTriple(permissionCode, UserAppliedPermission.full);
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111 | return pt;
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112 | }
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113 |
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114 | public String getCode() {
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115 | return Integer.toString(ownerPermission.getCode()) + Integer.toString(groupPermission.getCode()) + Integer.toString(otherPermission.getCode());
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116 | }
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117 |
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118 | @Override
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119 | public String toString() {
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120 | return ownerPermission + ":" + groupPermission + ":" + otherPermission;
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121 | }
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122 | }
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