1 | // License: GPL. Copyright 2007 by Immanuel Scholz and others
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2 | package org.openstreetmap.josm.data.osm;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.tr;
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5 |
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6 | import java.util.ArrayList;
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7 | import java.util.Arrays;
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8 | import java.util.Collection;
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9 | import java.util.Collections;
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10 | import java.util.Date;
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11 | import java.util.HashMap;
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12 | import java.util.Locale;
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13 | import java.util.Map;
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14 | import java.util.Map.Entry;
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15 |
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16 | import org.openstreetmap.josm.Main;
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17 | import org.openstreetmap.josm.data.osm.visitor.Visitor;
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18 | import org.openstreetmap.josm.gui.mappaint.ElemStyle;
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19 |
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20 |
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21 | /**
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22 | * An OSM primitive can be associated with a key/value pair. It can be created, deleted
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23 | * and updated within the OSM-Server.
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24 | *
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25 | * Although OsmPrimitive is designed as a base class, it is not to be meant to subclass
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26 | * it by any other than from the package {@link org.openstreetmap.josm.data.osm}. The available primitives are a fixed set that are given
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27 | * by the server environment and not an extendible data stuff.
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28 | *
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29 | * @author imi
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30 | */
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31 | abstract public class OsmPrimitive implements Comparable<OsmPrimitive> {
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32 |
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33 | /* mappaint data */
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34 | public ElemStyle mappaintStyle = null;
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35 | public Integer mappaintVisibleCode = 0;
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36 | public Integer mappaintDrawnCode = 0;
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37 | public Collection<String> errors;
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38 |
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39 | public void putError(String text, Boolean isError)
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40 | {
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41 | if(errors == null) {
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42 | errors = new ArrayList<String>();
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43 | }
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44 | String s = isError ? tr("Error: {0}", text) : tr("Warning: {0}", text);
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45 | errors.add(s);
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46 | }
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47 | public void clearErrors()
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48 | {
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49 | errors = null;
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50 | }
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51 | /* This should not be called from outside. Fixing the UI to add relevant
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52 | get/set functions calling this implicitely is preferred, so we can have
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53 | transparent cache handling in the future. */
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54 | protected void clearCached()
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55 | {
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56 | mappaintVisibleCode = 0;
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57 | mappaintDrawnCode = 0;
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58 | mappaintStyle = null;
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59 | }
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60 | /* end of mappaint data */
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61 |
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62 | /**
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63 | * Unique identifier in OSM. This is used to identify objects on the server.
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64 | * An id of 0 means an unknown id. The object has not been uploaded yet to
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65 | * know what id it will get.
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66 | *
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67 | * Do not write to this attribute except you know exactly what you are doing.
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68 | * More specific, it is not good to set this to 0 and think the object is now
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69 | * new to the server! To create a new object, call the default constructor of
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70 | * the respective class.
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71 | *
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72 | * @deprecated use {@see #getId()}. Don't assign an id, create a primitive with
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73 | * the respective constructors.
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74 | */
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75 | @Deprecated
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76 | public long id = 0;
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77 |
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78 | /**
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79 | * <code>true</code> if the object has been modified since it was loaded from
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80 | * the server. In this case, on next upload, this object will be updated.
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81 | * Deleted objects are deleted from the server. If the objects are added (id=0),
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82 | * the modified is ignored and the object is added to the server.
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83 | *
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84 | * @deprecated Please use {@see #setModified()} and {@see #getModified()}
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85 | */
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86 | @Deprecated
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87 | public boolean modified = false;
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88 |
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89 | /**
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90 | * <code>true</code>, if the object has been deleted.
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91 | *
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92 | * @deprecated use {@see #delete()} and {@see #isDeleted()}
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93 | */
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94 | @Deprecated
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95 | public boolean deleted = false;
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96 |
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97 | /**
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98 | * Visibility status as specified by the server. The visible attribute was
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99 | * introduced with the 0.4 API to be able to communicate deleted objects
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100 | * (they will have visible=false).
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101 | *
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102 | * @deprecated use {@see #isVisible()} and {@see #setVisible(boolean)}
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103 | */
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104 | @Deprecated
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105 | public boolean visible = true;
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106 |
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107 | /**
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108 | * User that last modified this primitive, as specified by the server.
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109 | * Never changed by JOSM.
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110 | */
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111 | public User user = null;
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112 |
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113 | /**
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114 | * If set to true, this object is currently selected.
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115 | *
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116 | * @deprecated use {@see #isSelected()} and {@see #setSelected(boolean)}
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117 | */
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118 | @Deprecated
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119 | public volatile boolean selected = false;
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120 |
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121 | /**
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122 | * Sets whether this primitive is selected or not.
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123 | *
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124 | * @param selected true, if this primitive is selected; false, otherwise
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125 | * @since 1899
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126 | */
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127 | public void setSelected(boolean selected) {
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128 | this.selected = selected;
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129 | }
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130 | /**
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131 | * Replies true, if this primitive is selected.
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132 | *
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133 | * @return true, if this primitive is selected
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134 | * @since 1899
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135 | */
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136 | public boolean isSelected() {
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137 | return selected;
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138 | }
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139 |
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140 | /**
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141 | * Marks this primitive as being modified.
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142 | *
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143 | * @param modified true, if this primitive is to be modified
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144 | */
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145 | public void setModified(boolean modified) {
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146 | this.modified = modified;
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147 | }
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148 |
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149 | /**
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150 | * Replies <code>true</code> if the object has been modified since it was loaded from
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151 | * the server. In this case, on next upload, this object will be updated.
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152 | *
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153 | * @return <code>true</code> if the object has been modified since it was loaded from
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154 | * the server
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155 | */
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156 | public boolean isModified() {
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157 | return modified;
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158 | }
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159 |
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160 | /**
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161 | * Replies <code>true</code>, if the object has been deleted.
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162 | *
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163 | * @return <code>true</code>, if the object has been deleted.
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164 | * @see #delete(boolean)
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165 | */
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166 | public boolean isDeleted() {
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167 | return deleted;
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168 | }
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169 |
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170 | /**
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171 | * Replies true if this primitive is either unknown to the server (i.e. its id
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172 | * is 0) or it is known to the server and it hasn't be deleted on the server.
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173 | * Replies false, if this primitive is known on the server and has been deleted
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174 | * on the server.
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175 | *
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176 | * @see #setVisible(boolean)
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177 | */
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178 | public boolean isVisible() {
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179 | return visible;
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180 | }
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181 |
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182 | /**
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183 | * Sets whether this primitive is visible, i.e. whether it is known on the server
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184 | * and not deleted on the server.
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185 | *
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186 | * @see #isVisible()
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187 | * @throws IllegalStateException thrown if visible is set to false on an primitive with
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188 | * id==0
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189 | */
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190 | public void setVisible(boolean visible) throws IllegalStateException{
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191 | if (id == 0 && visible == false)
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192 | throw new IllegalStateException(tr("a primitive with id=0 can't be invisible"));
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193 | this.visible = visible;
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194 | }
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195 |
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196 | /**
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197 | * Replies the id of this primitive.
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198 | *
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199 | * @return the id of this primitive.
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200 | */
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201 | public long getId() {
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202 | return id;
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203 | }
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204 |
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205 | /**
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206 | * If set to true, this object is highlighted. Currently this is only used to
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207 | * show which ways/nodes will connect
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208 | */
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209 | public volatile boolean highlighted = false;
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210 |
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211 | private int timestamp;
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212 |
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213 | public void setTimestamp(Date timestamp) {
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214 | this.timestamp = (int)(timestamp.getTime() / 1000);
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215 | }
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216 |
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217 | /**
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218 | * Time of last modification to this object. This is not set by JOSM but
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219 | * read from the server and delivered back to the server unmodified. It is
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220 | * used to check against edit conflicts.
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221 | *
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222 | */
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223 | public Date getTimestamp() {
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224 | return new Date(timestamp * 1000l);
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225 | }
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226 |
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227 | public boolean isTimestampEmpty() {
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228 | return timestamp == 0;
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229 | }
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230 |
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231 | /**
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232 | * If set to true, this object is incomplete, which means only the id
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233 | * and type is known (type is the objects instance class)
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234 | */
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235 | public boolean incomplete = false;
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236 |
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237 | /**
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238 | * Contains the version number as returned by the API. Needed to
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239 | * ensure update consistency
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240 | */
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241 | public int version = -1;
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242 |
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243 | private static Collection<String> uninteresting = null;
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244 | /**
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245 | * Contains a list of "uninteresting" keys that do not make an object
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246 | * "tagged".
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247 | * Initialized by checkTagged()
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248 | */
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249 | public static Collection<String> getUninterestingKeys() {
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250 | if (uninteresting == null) {
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251 | uninteresting = Main.pref.getCollection("tags.uninteresting",
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252 | Arrays.asList(new String[]{"source","note","comment","converted_by","created_by"}));
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253 | }
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254 | return uninteresting;
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255 | }
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256 |
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257 |
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258 | private static Collection<String> directionKeys = null;
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259 |
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260 | /**
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261 | * Contains a list of direction-dependent keys that make an object
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262 | * direction dependent.
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263 | * Initialized by checkDirectionTagged()
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264 | */
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265 | public static Collection<String> getDirectionKeys() {
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266 | if(directionKeys == null) {
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267 | directionKeys = Main.pref.getCollection("tags.direction",
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268 | Arrays.asList(new String[]{"oneway","incline","incline_steep","aerialway"}));
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269 | }
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270 | return directionKeys;
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271 | }
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272 |
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273 | /**
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274 | * Implementation of the visitor scheme. Subclasses have to call the correct
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275 | * visitor function.
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276 | * @param visitor The visitor from which the visit() function must be called.
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277 | */
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278 | abstract public void visit(Visitor visitor);
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279 |
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280 | public final void delete(boolean deleted) {
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281 | this.deleted = deleted;
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282 | setSelected(false);
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283 | modified = true;
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284 | }
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285 |
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286 | /**
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287 | * Equal, if the id (and class) is equal.
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288 | *
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289 | * An primitive is equal to its incomplete counter part.
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290 | */
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291 | @Override public boolean equals(Object obj) {
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292 | if (id == 0) return obj == this;
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293 | if (obj instanceof OsmPrimitive)
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294 | return ((OsmPrimitive)obj).id == id && obj.getClass() == getClass();
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295 | return false;
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296 | }
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297 |
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298 | /**
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299 | * Return the id plus the class type encoded as hashcode or super's hashcode if id is 0.
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300 | *
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301 | * An primitive has the same hashcode as its incomplete counterpart.
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302 | */
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303 | @Override public final int hashCode() {
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304 | if (id == 0)
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305 | return super.hashCode();
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306 | final int[] ret = new int[1];
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307 | Visitor v = new Visitor(){
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308 | public void visit(Node n) { ret[0] = 0; }
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309 | public void visit(Way w) { ret[0] = 1; }
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310 | public void visit(Relation e) { ret[0] = 2; }
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311 | public void visit(Changeset cs) { ret[0] = 3; }
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312 | };
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313 | visit(v);
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314 | return id == 0 ? super.hashCode() : (int)(id<<2)+ret[0];
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315 | }
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316 |
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317 | /*------------
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318 | * Keys handling
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319 | ------------*/
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320 |
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321 | /**
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322 | * The key/value list for this primitive.
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323 | *
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324 | */
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325 | private Map<String, String> keys;
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326 |
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327 | /**
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328 | * Replies the map of key/value pairs. Never replies null. The map can be empty, though.
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329 | *
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330 | * @return Keys of this primitive. Changes made in returned map are not mapped
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331 | * back to the primitive, use setKeys() to modify the keys
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332 | * @since 1924
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333 | */
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334 | public Map<String, String> getKeys() {
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335 | // TODO More effective map
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336 | // fix for #3218
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337 | if (keys == null)
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338 | return new HashMap<String, String>();
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339 | else
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340 | return new HashMap<String, String>(keys);
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341 | }
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342 |
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343 | /**
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344 | * Sets the keys of this primitives to the key/value pairs in <code>keys</code>.
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345 | * If <code>keys</code> is null removes all existing key/value pairs.
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346 | *
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347 | * @param keys the key/value pairs to set. If null, removes all existing key/value pairs.
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348 | * @since 1924
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349 | */
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350 | public void setKeys(Map<String, String> keys) {
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351 | if (keys == null) {
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352 | this.keys = null;
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353 | } else {
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354 | this.keys = new HashMap<String, String>(keys);
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355 | }
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356 | }
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357 |
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358 | /**
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359 | * Set the given value to the given key. If key is null, does nothing. If value is null,
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360 | * removes the key and behaves like {@see #remove(String)}.
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361 | *
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362 | * @param key The key, for which the value is to be set. Can be null, does nothing in this case.
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363 | * @param value The value for the key. If null, removes the respective key/value pair.
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364 | *
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365 | * @see #remove(String)
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366 | */
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367 | public final void put(String key, String value) {
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368 | if (key == null)
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369 | return;
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370 | else if (value == null) {
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371 | remove(key);
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372 | } else {
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373 | if (keys == null) {
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374 | keys = new HashMap<String, String>();
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375 | }
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376 | keys.put(key, value);
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377 | }
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378 | mappaintStyle = null;
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379 | }
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380 | /**
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381 | * Remove the given key from the list
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382 | *
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383 | * @param key the key to be removed. Ignored, if key is null.
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384 | */
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385 | public final void remove(String key) {
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386 | if (keys != null) {
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387 | keys.remove(key);
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388 | if (keys.isEmpty()) {
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389 | keys = null;
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390 | }
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391 | }
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392 | mappaintStyle = null;
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393 | }
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394 |
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395 | /**
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396 | * Removes all keys from this primitive.
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397 | *
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398 | * @since 1843
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399 | */
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400 | public final void removeAll() {
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401 | keys = null;
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402 | mappaintStyle = null;
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403 | }
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404 |
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405 | /**
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406 | * Replies the value for key <code>key</code>. Replies null, if <code>key</code> is null.
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407 | * Replies null, if there is no value for the given key.
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408 | *
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409 | * @param key the key. Can be null, replies null in this case.
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410 | * @return the value for key <code>key</code>.
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411 | */
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412 | public final String get(String key) {
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413 | if (key == null) return null;
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414 | return keys == null ? null : keys.get(key);
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415 | }
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416 |
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417 | public final Collection<Entry<String, String>> entrySet() {
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418 | if (keys == null)
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419 | return Collections.emptyList();
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420 | return keys.entrySet();
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421 | }
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422 |
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423 | public final Collection<String> keySet() {
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424 | if (keys == null)
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425 | return Collections.emptyList();
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426 | return keys.keySet();
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427 | }
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428 |
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429 | /**
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430 | * Replies true, if the map of key/value pairs of this primitive is not empty.
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431 | *
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432 | * @return true, if the map of key/value pairs of this primitive is not empty; false
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433 | * otherwise
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434 | *
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435 | * @since 1843
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436 | */
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437 | public final boolean hasKeys() {
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438 | return keys != null && !keys.isEmpty();
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439 | }
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440 |
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441 | /**
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442 | * Get and write all attributes from the parameter. Does not fire any listener, so
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443 | * use this only in the data initializing phase
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444 | */
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445 | public void cloneFrom(OsmPrimitive osm) {
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446 | keys = osm.keys == null ? null : new HashMap<String, String>(osm.keys);
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447 | id = osm.id;
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448 | modified = osm.modified;
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449 | deleted = osm.deleted;
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450 | setSelected(osm.isSelected());
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451 | timestamp = osm.timestamp;
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452 | version = osm.version;
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453 | incomplete = osm.incomplete;
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454 | visible = osm.visible;
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455 | clearCached();
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456 | clearErrors();
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457 | }
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458 |
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459 | /**
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460 | * Replies true if this primitive and other are equal with respect to their
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461 | * semantic attributes.
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462 | * <ol>
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463 | * <li>equal id</ol>
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464 | * <li>both are complete or both are incomplete</li>
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465 | * <li>both have the same tags</li>
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466 | * </ol>
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467 | * @param other
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468 | * @return true if this primitive and other are equal with respect to their
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469 | * semantic attributes.
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470 | */
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471 | public boolean hasEqualSemanticAttributes(OsmPrimitive other) {
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472 | if (id != other.id)
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473 | return false;
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474 | if (incomplete && ! other.incomplete || !incomplete && other.incomplete)
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475 | return false;
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476 | return (keys == null ? other.keys==null : keys.equals(other.keys));
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477 | }
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478 |
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479 | /**
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480 | * Replies true if this primitive and other are equal with respect to their
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481 | * technical attributes. The attributes:
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482 | * <ol>
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483 | * <li>deleted</ol>
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484 | * <li>modified</ol>
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485 | * <li>timestamp</ol>
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486 | * <li>version</ol>
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487 | * <li>visible</ol>
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488 | * <li>user</ol>
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489 | * </ol>
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490 | * have to be equal
|
---|
491 | * @param other the other primitive
|
---|
492 | * @return true if this primitive and other are equal with respect to their
|
---|
493 | * technical attributes
|
---|
494 | */
|
---|
495 | public boolean hasEqualTechnicalAttributes(OsmPrimitive other) {
|
---|
496 | if (other == null) return false;
|
---|
497 |
|
---|
498 | return
|
---|
499 | deleted == other.deleted
|
---|
500 | && modified == other.modified
|
---|
501 | && timestamp == other.timestamp
|
---|
502 | && version == other.version
|
---|
503 | && visible == other.visible
|
---|
504 | && (user == null ? other.user==null : user==other.user);
|
---|
505 | }
|
---|
506 |
|
---|
507 | /**
|
---|
508 | * true if this object is considered "tagged". To be "tagged", an object
|
---|
509 | * must have one or more "interesting" tags. "created_by" and "source"
|
---|
510 | * are typically considered "uninteresting" and do not make an object
|
---|
511 | * "tagged".
|
---|
512 | */
|
---|
513 | public boolean isTagged() {
|
---|
514 | // TODO Cache value after keys are made private
|
---|
515 | getUninterestingKeys();
|
---|
516 | if (keys != null) {
|
---|
517 | for (Entry<String,String> e : keys.entrySet()) {
|
---|
518 | if (!uninteresting.contains(e.getKey()))
|
---|
519 | return true;
|
---|
520 | }
|
---|
521 | }
|
---|
522 | return false;
|
---|
523 | }
|
---|
524 | /**
|
---|
525 | * true if this object has direction dependent tags (e.g. oneway)
|
---|
526 | */
|
---|
527 | public boolean hasDirectionKeys() {
|
---|
528 | // TODO Cache value after keys are made private
|
---|
529 | getDirectionKeys();
|
---|
530 | if (keys != null) {
|
---|
531 | for (Entry<String,String> e : keys.entrySet()) {
|
---|
532 | if (directionKeys.contains(e.getKey()))
|
---|
533 | return true;
|
---|
534 | }
|
---|
535 | }
|
---|
536 | return false;
|
---|
537 | }
|
---|
538 |
|
---|
539 |
|
---|
540 | /**
|
---|
541 | * Replies the name of this primitive. The default implementation replies the value
|
---|
542 | * of the tag <tt>name</tt> or null, if this tag is not present.
|
---|
543 | *
|
---|
544 | * @return the name of this primitive
|
---|
545 | */
|
---|
546 | public String getName() {
|
---|
547 | if (get("name") != null)
|
---|
548 | return get("name");
|
---|
549 | return null;
|
---|
550 | }
|
---|
551 |
|
---|
552 | /**
|
---|
553 | * Replies the a localized name for this primitive given by the value of the tags (in this order)
|
---|
554 | * <ul>
|
---|
555 | * <li>name:lang_COUNTRY_Variant of the current locale</li>
|
---|
556 | * <li>name:lang_COUNTRY of the current locale</li>
|
---|
557 | * <li>name:lang of the current locale</li>
|
---|
558 | * <li>name of the current locale</li>
|
---|
559 | * </ul>
|
---|
560 | *
|
---|
561 | * null, if no such tag exists
|
---|
562 | *
|
---|
563 | * @return the name of this primitive
|
---|
564 | */
|
---|
565 | public String getLocalName() {
|
---|
566 | String key = "name:" + Locale.getDefault().toString();
|
---|
567 | if (get(key) != null)
|
---|
568 | return get(key);
|
---|
569 | key = "name:" + Locale.getDefault().getLanguage() + "_" + Locale.getDefault().getCountry();
|
---|
570 | if (get(key) != null)
|
---|
571 | return get(key);
|
---|
572 | key = "name:" + Locale.getDefault().getLanguage();
|
---|
573 | if (get(key) != null)
|
---|
574 | return get(key);
|
---|
575 | return getName();
|
---|
576 | }
|
---|
577 |
|
---|
578 | /**
|
---|
579 | * Replies the display name of a primitive formatted by <code>formatter</code>
|
---|
580 | *
|
---|
581 | * @return the display name
|
---|
582 | */
|
---|
583 | public abstract String getDisplayName(NameFormatter formatter);
|
---|
584 |
|
---|
585 | }
|
---|
586 |
|
---|
587 |
|
---|