1 | // License: GPL. Copyright 2007 by Immanuel Scholz and others
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2 | package org.openstreetmap.josm.plugins;
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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.awt.Image;
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7 | import java.awt.image.BufferedImage;
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8 | import java.io.File;
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9 | import java.io.FileInputStream;
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10 | import java.io.IOException;
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11 | import java.io.InputStream;
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12 | import java.lang.reflect.Constructor;
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13 | import java.lang.reflect.InvocationTargetException;
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14 | import java.net.MalformedURLException;
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15 | import java.net.URL;
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16 | import java.util.ArrayList;
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17 | import java.util.Collection;
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18 | import java.util.LinkedList;
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19 | import java.util.List;
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20 | import java.util.Map;
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21 | import java.util.TreeMap;
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22 | import java.util.jar.Attributes;
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23 | import java.util.jar.JarInputStream;
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24 | import java.util.jar.Manifest;
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25 | import javax.swing.ImageIcon;
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26 |
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27 | import org.openstreetmap.josm.Main;
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28 | import org.openstreetmap.josm.data.Version;
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29 | import org.openstreetmap.josm.tools.ImageProvider;
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30 | import org.openstreetmap.josm.tools.LanguageInfo;
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31 | import org.openstreetmap.josm.tools.Utils;
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32 |
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33 | /**
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34 | * Encapsulate general information about a plugin. This information is available
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35 | * without the need of loading any class from the plugin jar file.
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36 | *
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37 | * @author imi
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38 | */
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39 | public class PluginInformation {
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40 | public File file = null;
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41 | public String name = null;
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42 | public int mainversion = 0;
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43 | public int localmainversion = 0;
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44 | public String className = null;
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45 | public boolean oldmode = false;
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46 | public String requires = null;
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47 | public String localrequires = null;
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48 | public String link = null;
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49 | public String description = null;
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50 | public boolean early = false;
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51 | public String author = null;
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52 | public int stage = 50;
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53 | public String version = null;
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54 | public String localversion = null;
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55 | public String downloadlink = null;
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56 | public String iconPath;
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57 | public ImageIcon icon;
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58 | public List<URL> libraries = new LinkedList<URL>();
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59 | public final Map<String, String> attr = new TreeMap<String, String>();
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60 |
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61 | private static final ImageIcon emptyIcon = new ImageIcon(new BufferedImage(24, 24, BufferedImage.TYPE_INT_ARGB));
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62 |
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63 | /**
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64 | * Creates a plugin information object by reading the plugin information from
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65 | * the manifest in the plugin jar.
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66 | *
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67 | * The plugin name is derived from the file name.
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68 | *
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69 | * @param file the plugin jar file
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70 | * @throws PluginException if reading the manifest fails
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71 | */
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72 | public PluginInformation(File file) throws PluginException{
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73 | this(file, file.getName().substring(0, file.getName().length()-4));
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74 | }
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75 |
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76 | /**
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77 | * Creates a plugin information object for the plugin with name {@code name}.
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78 | * Information about the plugin is extracted from the manifest file in the plugin jar
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79 | * {@code file}.
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80 | * @param file the plugin jar
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81 | * @param name the plugin name
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82 | * @throws PluginException thrown if reading the manifest file fails
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83 | */
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84 | public PluginInformation(File file, String name) throws PluginException {
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85 | if (!PluginHandler.isValidJar(file)) {
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86 | throw new PluginException(name, tr("Invalid jar file ''{0}''", file));
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87 | }
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88 | this.name = name;
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89 | this.file = file;
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90 | FileInputStream fis = null;
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91 | JarInputStream jar = null;
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92 | try {
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93 | fis = new FileInputStream(file);
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94 | jar = new JarInputStream(fis);
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95 | Manifest manifest = jar.getManifest();
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96 | if (manifest == null)
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97 | throw new PluginException(name, tr("The plugin file ''{0}'' does not include a Manifest.", file.toString()));
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98 | scanManifest(manifest, false);
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99 | libraries.add(0, fileToURL(file));
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100 | } catch (IOException e) {
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101 | throw new PluginException(name, e);
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102 | } finally {
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103 | Utils.close(jar);
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104 | Utils.close(fis);
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105 | }
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106 | }
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107 |
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108 | /**
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109 | * Creates a plugin information object by reading plugin information in Manifest format
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110 | * from the input stream {@code manifestStream}.
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111 | *
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112 | * @param manifestStream the stream to read the manifest from
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113 | * @param name the plugin name
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114 | * @param url the download URL for the plugin
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115 | * @throws PluginException thrown if the plugin information can't be read from the input stream
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116 | */
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117 | public PluginInformation(InputStream manifestStream, String name, String url) throws PluginException {
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118 | this.name = name;
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119 | try {
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120 | Manifest manifest = new Manifest();
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121 | manifest.read(manifestStream);
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122 | if(url != null) {
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123 | downloadlink = url;
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124 | }
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125 | scanManifest(manifest, url != null);
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126 | } catch (IOException e) {
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127 | throw new PluginException(name, e);
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128 | }
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129 | }
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130 |
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131 | /**
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132 | * Updates the plugin information of this plugin information object with the
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133 | * plugin information in a plugin information object retrieved from a plugin
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134 | * update site.
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135 | *
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136 | * @param other the plugin information object retrieved from the update
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137 | * site
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138 | */
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139 | public void updateFromPluginSite(PluginInformation other) {
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140 | this.mainversion = other.mainversion;
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141 | this.className = other.className;
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142 | this.requires = other.requires;
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143 | this.link = other.link;
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144 | this.description = other.description;
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145 | this.early = other.early;
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146 | this.author = other.author;
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147 | this.stage = other.stage;
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148 | this.version = other.version;
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149 | this.downloadlink = other.downloadlink;
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150 | this.icon = other.icon;
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151 | this.iconPath = other.iconPath;
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152 | this.libraries = other.libraries;
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153 | this.attr.clear();
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154 | this.attr.putAll(other.attr);
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155 | }
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156 |
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157 | /**
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158 | * Updates the plugin information of this plugin information object with the
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159 | * plugin information in a plugin information object retrieved from a plugin
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160 | * jar.
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161 | *
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162 | * @param other the plugin information object retrieved from the jar file
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163 | * @since 5601
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164 | */
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165 | public void updateFromJar(PluginInformation other) {
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166 | updateLocalInfo(other);
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167 | if (other.icon != null) {
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168 | this.icon = other.icon;
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169 | }
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170 | this.early = other.early;
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171 | this.className = other.className;
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172 | this.libraries = other.libraries;
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173 | this.stage = other.stage;
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174 | }
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175 |
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176 | private void scanManifest(Manifest manifest, boolean oldcheck){
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177 | String lang = LanguageInfo.getLanguageCodeManifest();
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178 | Attributes attr = manifest.getMainAttributes();
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179 | className = attr.getValue("Plugin-Class");
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180 | String s = attr.getValue(lang+"Plugin-Link");
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181 | if(s == null) {
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182 | s = attr.getValue("Plugin-Link");
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183 | }
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184 | if(s != null) {
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185 | try {
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186 | URL url = new URL(s);
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187 | } catch (MalformedURLException e) {
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188 | System.out.println(tr("Invalid URL ''{0}'' in plugin {1}", s, name));
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189 | s = null;
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190 | }
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191 | }
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192 | link = s;
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193 | requires = attr.getValue("Plugin-Requires");
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194 | s = attr.getValue(lang+"Plugin-Description");
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195 | if(s == null)
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196 | {
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197 | s = attr.getValue("Plugin-Description");
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198 | if(s != null) {
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199 | try {
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200 | s = tr(s);
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201 | } catch (IllegalArgumentException e) {
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202 | System.out.println(tr("Invalid plugin description ''{0}'' in plugin {1}", s, name));
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203 | }
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204 | }
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205 | }
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206 | description = s;
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207 | early = Boolean.parseBoolean(attr.getValue("Plugin-Early"));
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208 | String stageStr = attr.getValue("Plugin-Stage");
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209 | stage = stageStr == null ? 50 : Integer.parseInt(stageStr);
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210 | version = attr.getValue("Plugin-Version");
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211 | try { mainversion = Integer.parseInt(attr.getValue("Plugin-Mainversion")); }
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212 | catch(NumberFormatException e) {}
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213 | author = attr.getValue("Author");
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214 | iconPath = attr.getValue("Plugin-Icon");
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215 | if (iconPath != null && file != null) {
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216 | // extract icon from the plugin jar file
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217 | icon = new ImageProvider(iconPath).setArchive(file).setMaxWidth(24).setMaxHeight(24).setOptional(true).get();
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218 | }
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219 | if(oldcheck && mainversion > Version.getInstance().getVersion())
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220 | {
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221 | int myv = Version.getInstance().getVersion();
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222 | for(Map.Entry<Object, Object> entry : attr.entrySet())
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223 | {
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224 | try {
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225 | String key = ((Attributes.Name)entry.getKey()).toString();
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226 | if(key.endsWith("_Plugin-Url"))
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227 | {
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228 | int mv = Integer.parseInt(key.substring(0,key.length()-11));
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229 | if(mv <= myv && (mv > mainversion || mainversion > myv))
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230 | {
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231 | String v = (String)entry.getValue();
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232 | int i = v.indexOf(";");
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233 | if(i > 0)
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234 | {
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235 | downloadlink = v.substring(i+1);
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236 | mainversion = mv;
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237 | version = v.substring(0,i);
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238 | oldmode = true;
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239 | }
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240 | }
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241 | }
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242 | }
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243 | catch(Exception e) { e.printStackTrace(); }
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244 | }
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245 | }
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246 |
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247 | String classPath = attr.getValue(Attributes.Name.CLASS_PATH);
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248 | if (classPath != null) {
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249 | for (String entry : classPath.split(" ")) {
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250 | File entryFile;
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251 | if (new File(entry).isAbsolute() || file == null) {
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252 | entryFile = new File(entry);
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253 | } else {
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254 | entryFile = new File(file.getParent(), entry);
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255 | }
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256 |
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257 | libraries.add(fileToURL(entryFile));
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258 | }
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259 | }
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260 | for (Object o : attr.keySet()) {
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261 | this.attr.put(o.toString(), attr.getValue(o.toString()));
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262 | }
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263 | }
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264 |
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265 | /**
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266 | * Replies the description as HTML document, including a link to a web page with
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267 | * more information, provided such a link is available.
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268 | *
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269 | * @return the description as HTML document
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270 | */
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271 | public String getDescriptionAsHtml() {
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272 | StringBuilder sb = new StringBuilder();
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273 | sb.append("<html><body>");
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274 | sb.append(description == null ? tr("no description available") : description);
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275 | if (link != null) {
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276 | sb.append(" <a href=\"").append(link).append("\">").append(tr("More info...")).append("</a>");
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277 | }
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278 | if (downloadlink != null && !downloadlink.startsWith("http://svn.openstreetmap.org/applications/editors/josm/dist/")
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279 | && !downloadlink.startsWith("http://trac.openstreetmap.org/browser/applications/editors/josm/dist/")) {
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280 | sb.append("<p> </p><p>"+tr("<b>Plugin provided by an external source:</b> {0}", downloadlink)+"</p>");
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281 | }
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282 | sb.append("</body></html>");
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283 | return sb.toString();
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284 | }
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285 |
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286 | /**
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287 | * Load and instantiate the plugin
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288 | *
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289 | * @param klass the plugin class
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290 | * @return the instantiated and initialized plugin
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291 | */
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292 | public PluginProxy load(Class<?> klass) throws PluginException{
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293 | try {
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294 | Constructor<?> c = klass.getConstructor(PluginInformation.class);
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295 | Object plugin = c.newInstance(this);
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296 | return new PluginProxy(plugin, this);
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297 | } catch(NoSuchMethodException e) {
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298 | throw new PluginException(name, e);
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299 | } catch(IllegalAccessException e) {
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300 | throw new PluginException(name, e);
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301 | } catch (InstantiationException e) {
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302 | throw new PluginException(name, e);
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303 | } catch(InvocationTargetException e) {
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304 | throw new PluginException(name, e);
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305 | }
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306 | }
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307 |
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308 | /**
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309 | * Load the class of the plugin
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310 | *
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311 | * @param classLoader the class loader to use
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312 | * @return the loaded class
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313 | */
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314 | public Class<?> loadClass(ClassLoader classLoader) throws PluginException {
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315 | if (className == null)
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316 | return null;
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317 | try{
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318 | Class<?> realClass = Class.forName(className, true, classLoader);
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319 | return realClass;
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320 | } catch (ClassNotFoundException e) {
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321 | throw new PluginException(name, e);
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322 | } catch (ClassCastException e) {
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323 | throw new PluginException(name, e);
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324 | }
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325 | }
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326 |
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327 | public static URL fileToURL(File f) {
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328 | try {
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329 | return f.toURI().toURL();
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330 | } catch (MalformedURLException ex) {
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331 | return null;
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332 | }
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333 | }
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334 |
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335 | /**
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336 | * Try to find a plugin after some criterias. Extract the plugin-information
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337 | * from the plugin and return it. The plugin is searched in the following way:
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338 | *
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339 | *<li>first look after an MANIFEST.MF in the package org.openstreetmap.josm.plugins.<plugin name>
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340 | * (After removing all fancy characters from the plugin name).
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341 | * If found, the plugin is loaded using the bootstrap classloader.
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342 | *<li>If not found, look for a jar file in the user specific plugin directory
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343 | * (~/.josm/plugins/<plugin name>.jar)
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344 | *<li>If not found and the environment variable JOSM_RESOURCES + "/plugins/" exist, look there.
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345 | *<li>Try for the java property josm.resources + "/plugins/" (set via java -Djosm.plugins.path=...)
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346 | *<li>If the environment variable ALLUSERSPROFILE and APPDATA exist, look in
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347 | * ALLUSERSPROFILE/<the last stuff from APPDATA>/JOSM/plugins.
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348 | * (*sic* There is no easy way under Windows to get the All User's application
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349 | * directory)
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350 | *<li>Finally, look in some typical unix paths:<ul>
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351 | * <li>/usr/local/share/josm/plugins/
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352 | * <li>/usr/local/lib/josm/plugins/
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353 | * <li>/usr/share/josm/plugins/
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354 | * <li>/usr/lib/josm/plugins/
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355 | *
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356 | * If a plugin class or jar file is found earlier in the list but seem not to
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357 | * be working, an PluginException is thrown rather than continuing the search.
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358 | * This is so JOSM can detect broken user-provided plugins and do not go silently
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359 | * ignore them.
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360 | *
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361 | * The plugin is not initialized. If the plugin is a .jar file, it is not loaded
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362 | * (only the manifest is extracted). In the classloader-case, the class is
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363 | * bootstraped (e.g. static {} - declarations will run. However, nothing else is done.
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364 | *
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365 | * @param pluginName The name of the plugin (in all lowercase). E.g. "lang-de"
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366 | * @return Information about the plugin or <code>null</code>, if the plugin
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367 | * was nowhere to be found.
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368 | * @throws PluginException In case of broken plugins.
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369 | */
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370 | public static PluginInformation findPlugin(String pluginName) throws PluginException {
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371 | String name = pluginName;
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372 | name = name.replaceAll("[-. ]", "");
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373 | InputStream manifestStream = PluginInformation.class.getResourceAsStream("/org/openstreetmap/josm/plugins/"+name+"/MANIFEST.MF");
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374 | if (manifestStream != null)
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375 | return new PluginInformation(manifestStream, pluginName, null);
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376 |
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377 | Collection<String> locations = getPluginLocations();
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378 |
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379 | for (String s : locations) {
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380 | File pluginFile = new File(s, pluginName + ".jar");
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381 | if (pluginFile.exists()) {
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382 | PluginInformation info = new PluginInformation(pluginFile);
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383 | return info;
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384 | }
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385 | }
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386 | return null;
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387 | }
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388 |
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389 | public static Collection<String> getPluginLocations() {
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390 | Collection<String> locations = Main.pref.getAllPossiblePreferenceDirs();
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391 | Collection<String> all = new ArrayList<String>(locations.size());
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392 | for (String s : locations) {
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393 | all.add(s+"plugins");
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394 | }
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395 | return all;
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396 | }
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397 |
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398 | /**
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399 | * Replies true if the plugin with the given information is most likely outdated with
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400 | * respect to the referenceVersion.
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401 | *
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402 | * @param referenceVersion the reference version. Can be null if we don't know a
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403 | * reference version
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404 | *
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405 | * @return true, if the plugin needs to be updated; false, otherweise
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406 | */
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407 | public boolean isUpdateRequired(String referenceVersion) {
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408 | if (this.downloadlink == null) return false;
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409 | if (this.version == null && referenceVersion!= null)
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410 | return true;
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411 | if (this.version != null && !this.version.equals(referenceVersion))
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412 | return true;
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413 | return false;
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414 | }
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415 |
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416 | /**
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417 | * Replies true if this this plugin should be updated/downloaded because either
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418 | * it is not available locally (its local version is null) or its local version is
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419 | * older than the available version on the server.
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420 | *
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421 | * @return true if the plugin should be updated
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422 | */
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423 | public boolean isUpdateRequired() {
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424 | if (this.downloadlink == null) return false;
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425 | if (this.localversion == null) return true;
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426 | return isUpdateRequired(this.localversion);
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427 | }
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428 |
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429 | protected boolean matches(String filter, String value) {
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430 | if (filter == null) return true;
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431 | if (value == null) return false;
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432 | return value.toLowerCase().contains(filter.toLowerCase());
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433 | }
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434 |
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435 | /**
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436 | * Replies true if either the name, the description, or the version match (case insensitive)
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437 | * one of the words in filter. Replies true if filter is null.
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438 | *
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439 | * @param filter the filter expression
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440 | * @return true if this plugin info matches with the filter
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441 | */
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442 | public boolean matches(String filter) {
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443 | if (filter == null) return true;
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444 | String words[] = filter.split("\\s+");
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445 | for (String word: words) {
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446 | if (matches(word, name)
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447 | || matches(word, description)
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448 | || matches(word, version)
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449 | || matches(word, localversion))
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450 | return true;
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451 | }
|
---|
452 | return false;
|
---|
453 | }
|
---|
454 |
|
---|
455 | /**
|
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456 | * Replies the name of the plugin
|
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457 | */
|
---|
458 | public String getName() {
|
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459 | return name;
|
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460 | }
|
---|
461 |
|
---|
462 | /**
|
---|
463 | * Sets the name
|
---|
464 | * @param name
|
---|
465 | */
|
---|
466 | public void setName(String name) {
|
---|
467 | this.name = name;
|
---|
468 | }
|
---|
469 |
|
---|
470 | /**
|
---|
471 | * Replies the plugin icon, scaled to 24x24 pixels.
|
---|
472 | * @return the plugin icon, scaled to 24x24 pixels.
|
---|
473 | */
|
---|
474 | public ImageIcon getScaledIcon() {
|
---|
475 | if (icon == null)
|
---|
476 | return emptyIcon;
|
---|
477 | return new ImageIcon(icon.getImage().getScaledInstance(24, 24, Image.SCALE_SMOOTH));
|
---|
478 | }
|
---|
479 |
|
---|
480 | @Override
|
---|
481 | public String toString() {
|
---|
482 | return getName();
|
---|
483 | }
|
---|
484 |
|
---|
485 | private static List<String> getRequiredPlugins(String pluginList) {
|
---|
486 | List<String> requiredPlugins = new ArrayList<String>();
|
---|
487 | if (pluginList != null) {
|
---|
488 | for (String s : pluginList.split(";")) {
|
---|
489 | String plugin = s.trim();
|
---|
490 | if (!plugin.isEmpty()) {
|
---|
491 | requiredPlugins.add(plugin);
|
---|
492 | }
|
---|
493 | }
|
---|
494 | }
|
---|
495 | return requiredPlugins;
|
---|
496 | }
|
---|
497 |
|
---|
498 | /**
|
---|
499 | * Replies the list of plugins required by the up-to-date version of this plugin.
|
---|
500 | * @return List of plugins required. Empty if no plugin is required.
|
---|
501 | * @since 5601
|
---|
502 | */
|
---|
503 | public List<String> getRequiredPlugins() {
|
---|
504 | return getRequiredPlugins(requires);
|
---|
505 | }
|
---|
506 |
|
---|
507 | /**
|
---|
508 | * Replies the list of plugins required by the local instance of this plugin.
|
---|
509 | * @return List of plugins required. Empty if no plugin is required.
|
---|
510 | * @since 5601
|
---|
511 | */
|
---|
512 | public List<String> getLocalRequiredPlugins() {
|
---|
513 | return getRequiredPlugins(localrequires);
|
---|
514 | }
|
---|
515 |
|
---|
516 | /**
|
---|
517 | * Updates the local fields ({@link #localversion}, {@link #localmainversion}, {@link #localrequires})
|
---|
518 | * to values contained in the up-to-date fields ({@link #version}, {@link #mainversion}, {@link #requires})
|
---|
519 | * of the given PluginInformation.
|
---|
520 | * @param info The plugin information to get the data from.
|
---|
521 | * @since 5601
|
---|
522 | */
|
---|
523 | public void updateLocalInfo(PluginInformation info) {
|
---|
524 | if (info != null) {
|
---|
525 | this.localversion = info.version;
|
---|
526 | this.localmainversion = info.mainversion;
|
---|
527 | this.localrequires = info.requires;
|
---|
528 | }
|
---|
529 | }
|
---|
530 | }
|
---|