1 | package org.openstreetmap.josm.data;
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2 |
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3 | import static org.xnap.commons.i18n.I18n.marktr;
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4 |
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5 | import java.awt.Color;
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6 | import java.io.BufferedReader;
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7 | import java.io.File;
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8 | import java.io.FileReader;
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9 | import java.io.FileWriter;
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10 | import java.io.IOException;
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11 | import java.io.PrintWriter;
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12 | import java.util.ArrayList;
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13 | import java.util.Collection;
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14 | import java.util.LinkedList;
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15 | import java.util.Map;
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16 | import java.util.SortedMap;
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17 | import java.util.StringTokenizer;
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18 | import java.util.TreeMap;
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19 | import java.util.Map.Entry;
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20 |
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21 | import org.openstreetmap.josm.Main;
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22 | import org.openstreetmap.josm.data.osm.visitor.SimplePaintVisitor;
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23 | import org.openstreetmap.josm.tools.ColorHelper;
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24 |
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25 |
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26 | /**
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27 | * This class holds all preferences for JOSM.
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28 | *
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29 | * Other classes can register their beloved properties here. All properties will be
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30 | * saved upon set-access.
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31 | *
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32 | * @author imi
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33 | */
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34 | public class Preferences {
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35 |
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36 | public static interface PreferenceChangedListener {
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37 | void preferenceChanged(String key, String newValue);
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38 | }
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39 |
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40 | /**
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41 | * Class holding one bookmarkentry.
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42 | * @author imi
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43 | */
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44 | public static class Bookmark {
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45 | public String name;
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46 | public double[] latlon = new double[4]; // minlat, minlon, maxlat, maxlon
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47 | @Override public String toString() {
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48 | return name;
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49 | }
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50 | }
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51 |
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52 | public final ArrayList<PreferenceChangedListener> listener = new ArrayList<PreferenceChangedListener>();
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53 |
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54 | /**
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55 | * Map the property name to the property object.
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56 | */
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57 | protected final SortedMap<String, String> properties = new TreeMap<String, String>();
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58 |
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59 | /**
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60 | * Return the location of the preferences file
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61 | */
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62 | public String getPreferencesDir() {
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63 | return System.getProperty("user.home")+"/.josm/";
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64 | }
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65 |
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66 | synchronized public boolean hasKey(final String key) {
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67 | return properties.containsKey(key);
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68 | }
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69 | synchronized public String get(final String key) {
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70 | if (!properties.containsKey(key))
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71 | return "";
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72 | return properties.get(key);
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73 | }
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74 | synchronized public String get(final String key, final String def) {
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75 | final String prop = properties.get(key);
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76 | if (prop == null || prop.equals(""))
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77 | return def;
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78 | return prop;
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79 | }
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80 | synchronized public Map<String, String> getAllPrefix(final String prefix) {
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81 | final Map<String,String> all = new TreeMap<String,String>();
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82 | for (final Entry<String,String> e : properties.entrySet())
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83 | if (e.getKey().startsWith(prefix))
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84 | all.put(e.getKey(), e.getValue());
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85 | return all;
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86 | }
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87 | synchronized public boolean getBoolean(final String key) {
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88 | return getBoolean(key, false);
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89 | }
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90 | synchronized public boolean getBoolean(final String key, final boolean def) {
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91 | return properties.containsKey(key) ? Boolean.parseBoolean(properties.get(key)) : def;
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92 | }
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93 |
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94 |
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95 | synchronized public void put(final String key, final String value) {
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96 | if (value == null)
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97 | properties.remove(key);
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98 | else
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99 | properties.put(key, value);
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100 | save();
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101 | firePreferenceChanged(key, value);
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102 | }
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103 | synchronized public void put(final String key, final boolean value) {
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104 | properties.put(key, Boolean.toString(value));
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105 | save();
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106 | firePreferenceChanged(key, Boolean.toString(value));
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107 | }
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108 |
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109 |
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110 | private final void firePreferenceChanged(final String key, final String value) {
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111 | for (final PreferenceChangedListener l : listener)
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112 | l.preferenceChanged(key, value);
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113 | }
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114 |
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115 | /**
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116 | * Called after every put. In case of a problem, do nothing but output the error
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117 | * in log.
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118 | */
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119 | protected void save() {
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120 | try {
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121 | final PrintWriter out = new PrintWriter(new FileWriter(getPreferencesDir() + "preferences"), false);
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122 | for (final Entry<String, String> e : properties.entrySet())
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123 | if (!e.getValue().equals(""))
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124 | out.println(e.getKey() + "=" + e.getValue());
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125 | out.close();
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126 | } catch (final IOException e) {
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127 | e.printStackTrace();
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128 | // do not message anything, since this can be called from strange
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129 | // places.
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130 | }
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131 | }
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132 |
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133 | public void load() throws IOException {
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134 | properties.clear();
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135 | final BufferedReader in = new BufferedReader(new FileReader(getPreferencesDir()+"preferences"));
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136 | int lineNumber = 0;
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137 | for (String line = in.readLine(); line != null; line = in.readLine(), lineNumber++) {
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138 | final int i = line.indexOf('=');
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139 | if (i == -1 || i == 0)
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140 | throw new IOException("Malformed config file at line "+lineNumber);
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141 | properties.put(line.substring(0,i), line.substring(i+1));
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142 | }
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143 | }
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144 |
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145 | public final void resetToDefault() {
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146 | properties.clear();
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147 | properties.put("laf", "javax.swing.plaf.metal.MetalLookAndFeel");
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148 | properties.put("projection", "org.openstreetmap.josm.data.projection.Epsg4326");
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149 | properties.put("propertiesdialog.visible", "true");
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150 | properties.put("osm-server.url", "http://www.openstreetmap.org/api");
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151 | properties.put("color."+marktr("background"), ColorHelper.color2html(Color.black));
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152 | properties.put("color."+marktr("node"), ColorHelper.color2html(Color.red));
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153 | properties.put("color."+marktr("segment"), ColorHelper.color2html(SimplePaintVisitor.darkgreen));
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154 | properties.put("color."+marktr("way"), ColorHelper.color2html(SimplePaintVisitor.darkblue));
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155 | properties.put("color."+marktr("incomplete way"), ColorHelper.color2html(SimplePaintVisitor.darkerblue));
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156 | properties.put("color."+marktr("selected"), ColorHelper.color2html(Color.white));
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157 | properties.put("color."+marktr("gps point"), ColorHelper.color2html(Color.gray));
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158 | properties.put("color."+marktr("conflict"), ColorHelper.color2html(Color.gray));
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159 | properties.put("color."+marktr("scale"), ColorHelper.color2html(Color.white));
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160 | save();
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161 | }
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162 |
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163 | public Collection<Bookmark> loadBookmarks() throws IOException {
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164 | File bookmarkFile = new File(getPreferencesDir()+"bookmarks");
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165 | if (!bookmarkFile.exists())
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166 | bookmarkFile.createNewFile();
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167 | BufferedReader in = new BufferedReader(new FileReader(bookmarkFile));
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168 |
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169 | Collection<Bookmark> bookmarks = new LinkedList<Bookmark>();
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170 | for (String line = in.readLine(); line != null; line = in.readLine()) {
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171 | StringTokenizer st = new StringTokenizer(line, ",");
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172 | if (st.countTokens() < 5)
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173 | continue;
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174 | Bookmark b = new Bookmark();
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175 | b.name = st.nextToken();
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176 | try {
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177 | for (int i = 0; i < b.latlon.length; ++i)
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178 | b.latlon[i] = Double.parseDouble(st.nextToken());
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179 | bookmarks.add(b);
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180 | } catch (NumberFormatException x) {
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181 | // line not parsed
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182 | }
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183 | }
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184 | in.close();
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185 | return bookmarks;
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186 | }
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187 |
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188 | public void saveBookmarks(Collection<Bookmark> bookmarks) throws IOException {
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189 | File bookmarkFile = new File(Main.pref.getPreferencesDir()+"bookmarks");
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190 | if (!bookmarkFile.exists())
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191 | bookmarkFile.createNewFile();
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192 | PrintWriter out = new PrintWriter(new FileWriter(bookmarkFile));
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193 | for (Bookmark b : bookmarks) {
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194 | b.name.replace(',', '_');
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195 | out.print(b.name+",");
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196 | for (int i = 0; i < b.latlon.length; ++i)
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197 | out.print(b.latlon[i]+(i<b.latlon.length-1?",":""));
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198 | out.println();
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199 | }
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200 | out.close();
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201 | }
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202 | }
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