1 | // Copyright 2012 Georg-August-Universität Göttingen, Germany
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2 | //
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3 | // Licensed under the Apache License, Version 2.0 (the "License");
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4 | // you may not use this file except in compliance with the License.
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5 | // You may obtain a copy of the License at
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6 | //
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7 | // http://www.apache.org/licenses/LICENSE-2.0
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8 | //
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9 | // Unless required by applicable law or agreed to in writing, software
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10 | // distributed under the License is distributed on an "AS IS" BASIS,
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11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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12 | // See the License for the specific language governing permissions and
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13 | // limitations under the License.
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14 |
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15 | package de.ugoe.cs.autoquest.plugin.android.guimodel;
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16 |
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17 | import java.util.List;
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18 |
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19 | import de.ugoe.cs.autoquest.eventcore.guimodel.IGUIElementSpec;
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20 |
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21 | /**
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22 | * <p>
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23 | * Implements the specification of {@link IGUIElement} for {@link ANDROIDGUIElement}s.
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24 | * </p>
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25 | *
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26 | * @version 1.0
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27 | * @author Florian Unger
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28 | */
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29 | public class ANDROIDGUIElementSpec implements IGUIElementSpec {
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30 |
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31 | /**
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32 | * <p>
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33 | * Default serial version UID
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34 | * </p>
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35 | */
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36 | private static final long serialVersionUID = 1L;
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37 |
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38 | /*
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39 | * (non-Javadoc)
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40 | *
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41 | * @see de.ugoe.cs.autoquest.androidmonitor.AndroidmonitorLogFile#logComponent()
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42 | */
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43 | /**
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44 | * <p>
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45 | * Hash code of the GUI element. Used as unique identifier during parsing a log file. Note that
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46 | * it is possible that the hash code of an element changes over several log files even if they
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47 | * come from the same target.
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48 | * </p>
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49 | */
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50 | private int elementHash;
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51 |
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52 | /**
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53 | * <p>
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54 | * Path to an element in an activity. e.g. a path of a button could look like
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55 | * MainActivity/DecorView/ActionBarOverlayLayout/FrameLayout/ RelativeLayout/Button
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56 | * </p>
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57 | */
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58 | private String path;
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59 |
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60 | /*
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61 | * (non-Javadoc)
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62 | *
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63 | * @see http://developer.android.com/reference/android/view/View.html#getId()
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64 | */
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65 | /**
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66 | * <p>
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67 | * Id of the object as it is returned by view.getId().
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68 | * </p>
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69 | */
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70 | private int index;
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71 |
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72 | /**
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73 | * <p>
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74 | * Current name of the GUI element
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75 | * </p>
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76 | */
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77 | private String name;
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78 |
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79 | /**
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80 | * <p>
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81 | * The type of GUI element, i.e., the class of the android GUI element.
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82 | * </p>
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83 | */
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84 | private String type;
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85 |
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86 | /**
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87 | * <p>
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88 | * Type hierarchy of the class itself.
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89 | * </p>
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90 | */
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91 | private List<String> typeHierarchy = null;
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92 |
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93 | /*
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94 | * (non-Javadoc)
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95 | *
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96 | * @see
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97 | * de.ugoe.cs.autoquest.eventcore.guimodel.IGUIElementSpec#getSecificationSimilarity(IGUIElementSpec
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98 | * )
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99 | */
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100 | @Override
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101 | public boolean getSimilarity(IGUIElementSpec other) {
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102 | if (this == other) {
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103 | return true;
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104 | }
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105 |
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106 | if (!(other instanceof ANDROIDGUIElementSpec)) {
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107 | return false;
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108 | }
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109 |
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110 | ANDROIDGUIElementSpec otherSpec = (ANDROIDGUIElementSpec) other;
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111 |
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112 | if (type == null ? otherSpec.type != null : !type.equals(otherSpec.type)) {
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113 | return false;
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114 | }
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115 |
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116 | /*
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117 | * Up to now, we compared, if the basics match. Due to testing with different virtual
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118 | * devices it seems to be the case that the id of a view (named index here) keeps the same
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119 | * even on different devices even if the hashCode changes. Some of the GUI elements does not
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120 | * have an id (id is -1).
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121 | */
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122 |
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123 | if (otherSpec.index > 1 && index == otherSpec.index) {
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124 | return true;
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125 | }
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126 |
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127 | /*
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128 | * Two elements could also be similar if the path of the elements is equal and the name is
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129 | * set, equal and not equal to "image:" even if index <= 1. This comparison is not
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130 | * implemented up to know due to the reason that all recorded elements up to 2015/01 either
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131 | * have an index > 1 or no name to be compared.
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132 | *
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133 | * In all other cases up to know it is not clear if two elements are similar.
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134 | *
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135 | * Not working:
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136 | *
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137 | * - Position of the elements: Due to the reason that there are a lot of different displays
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138 | * on the android market and the in the most cases the layout depends on the display size
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139 | * (different resolutions) similar elements have different positions.
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140 | */
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141 |
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142 | return false;
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143 | }
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144 |
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145 |
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146 | /*
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147 | * (non-Javadoc)
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148 | *
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149 | * @see de.ugoe.cs.autoquest.eventcore.guimodel.IGUIElementSpec#getType()
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150 | */
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151 | @Override
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152 | public String getType() {
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153 | return type;
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154 | }
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155 |
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156 | /*
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157 | * (non-Javadoc)
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158 | *
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159 | * @see de.ugoe.cs.autoquest.eventcore.guimodel.IGUIElementSpec#getTypeHierarchy ()
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160 | */
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161 | @Override
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162 | public String[] getTypeHierarchy() {
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163 | if (typeHierarchy == null) {
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164 | return new String[]
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165 | { (getType()) };
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166 | }
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167 | else
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168 | return typeHierarchy.toArray(new String[typeHierarchy.size()]);
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169 | }
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170 |
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171 | /**
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172 | * <p>
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173 | * Returns the object hash of the specified GUI element.
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174 | * </p>
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175 | *
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176 | * @return the elementHash
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177 | */
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178 | public int getElementHash() {
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179 | return elementHash;
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180 | }
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181 |
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182 | /**
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183 | * <p>
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184 | * Returns the path associated with the specified GUI element.
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185 | * </p>
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186 | *
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187 | * @return the path to an element
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188 | */
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189 | public String getPath() {
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190 | return path;
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191 | }
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192 |
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193 | /**
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194 | * <p>
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195 | * Returns the GUI element identifier.
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196 | * </p>
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197 | *
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198 | * @return identifier of the GUI element
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199 | */
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200 | public int getIndex() {
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201 | return index;
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202 | }
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203 |
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204 | /**
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205 | * <p>
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206 | * Returns the name of the specified GUI element. Displayed text in the application or image
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207 | * name.
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208 | * </p>
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209 | *
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210 | * @return text or image of the GUI element.
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211 | */
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212 | public String getName() {
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213 | if (name == null || name.trim().length() == 0) {
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214 | return "NOT_SET";
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215 | }
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216 | return name;
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217 | }
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218 |
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219 | /**
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220 | * <p>
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221 | * Sets the GUI element identifier.
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222 | * </p>
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223 | *
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224 | * @param indentifier
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225 | */
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226 | public void setIndex(int index) {
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227 | this.index = index;
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228 | }
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229 |
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230 | /**
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231 | * Set the hash code associated with the GUI element.
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232 | *
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233 | * @param hash
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234 | * the hash of an element object
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235 | */
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236 | public void setElementHash(int hash) {
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237 | this.elementHash = hash;
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238 | }
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239 |
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240 | /**
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241 | * Set the path associated with the specified GUI element.
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242 | *
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243 | * @param path
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244 | * the path to an element
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245 | */
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246 | public void setPath(String path) {
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247 | this.path = path;
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248 | }
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249 |
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250 | /**
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251 | * <p>
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252 | * Sets the type of the specified GUI element.
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253 | * </p>
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254 | *
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255 | * @param type
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256 | * the type
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257 | */
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258 | public void setType(String type) {
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259 | this.type = type;
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260 | }
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261 |
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262 | /**
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263 | * <p>
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264 | * Sets the name of the specified GUI element. Displayed text in the application or image name.
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265 | * </p>
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266 | *
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267 | * @param name
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268 | * the name
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269 | */
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270 | public void setName(String name) {
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271 | this.name = name;
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272 | }
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273 |
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274 | /**
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275 | * <p>
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276 | * Sets the type hierarchy of the specified GUI element.
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277 | *
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278 | * @param typeHierarchy
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279 | * </p>
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280 | */
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281 | public void setTypeHierarchy(List<String> typeHierarchy) {
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282 | this.typeHierarchy = typeHierarchy;
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283 | }
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284 |
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285 | /*
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286 | * (non-Javadoc)
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287 | *
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288 | * @see de.ugoe.cs.autoquest.eventcore.guimodel.IGUIElementSpec#equals(IGUIElementSpec)
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289 | */
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290 | @Override
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291 | public boolean equals(Object other) {
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292 | if (this == other) {
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293 | return true;
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294 | }
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295 |
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296 | if (!(other instanceof ANDROIDGUIElementSpec)) {
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297 | return false;
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298 | }
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299 |
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300 | ANDROIDGUIElementSpec otherSpec = (ANDROIDGUIElementSpec) other;
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301 |
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302 | return (elementHash == otherSpec.elementHash) &&
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303 | (path == null ? otherSpec.path == null : path.equals(otherSpec.path)) &&
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304 | (index == otherSpec.index) &&
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305 | (name == null ? otherSpec.name == null : name.equals(otherSpec.name)) &&
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306 | (type == null ? otherSpec.type == null : type.equals(otherSpec.type));
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307 | }
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308 |
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309 | /*
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310 | * (non-Javadoc)
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311 | *
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312 | * @see java.lang.Object#hashCode()
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313 | */
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314 | @Override
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315 | public int hashCode() {
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316 | // 17 due to the reason that this is a prime number.
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317 | int result = 17;
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318 | /*
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319 | * 31 due to the reason that a lot of VM's could optimize this multiplication by a shift.
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320 | * Source: Effective Java, Joshua Bloch, 2008, p.48
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321 | */
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322 | result = 31 * result + elementHash;
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323 | result = 31 * result + path.hashCode();
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324 | result = 31 * result + index;
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325 | result = 31 * result + getName().hashCode();
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326 | result = 31 * result + type.hashCode();
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327 | return result;
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328 | }
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329 |
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330 |
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331 | }
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