1 | /* |
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2 | * Jeti, a Java Jabber client, Copyright (C) 2002 E.S. de Boer |
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3 | * |
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4 | * This program is free software; you can redistribute it and/or modify |
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5 | * it under the terms of the GNU General Public License as published by |
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6 | * the Free Software Foundation; either version 2 of the License, or |
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7 | * (at your option) any later version. |
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8 | * |
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9 | * This program is distributed in the hope that it will be useful, |
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10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 | * GNU General Public License for more details. |
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13 | * |
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14 | * You should have received a copy of the GNU General Public License |
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15 | * along with this program; if not, write to the Free Software |
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16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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17 | * |
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18 | * For questions, comments etc, |
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19 | * use the website at http://jeti.jabberstudio.org |
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20 | * or mail me at eric@jeti.tk |
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21 | */ |
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22 | |
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23 | package nu.fw.jeti.plugins; |
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24 | |
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25 | import java.io.*; |
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26 | import java.net.MalformedURLException; |
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27 | import java.net.URL; |
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28 | import java.net.URLClassLoader; |
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29 | import java.text.MessageFormat; |
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30 | import java.util.ArrayList; |
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31 | import java.util.Iterator; |
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32 | import java.util.List; |
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33 | |
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34 | import javax.xml.parsers.SAXParser; |
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35 | |
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36 | import nu.fw.jeti.backend.Start; |
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37 | import nu.fw.jeti.backend.XMLDataFile; |
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38 | import nu.fw.jeti.util.I18N; |
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39 | import nu.fw.jeti.util.Preferences; |
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40 | |
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41 | import org.xml.sax.InputSource; |
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42 | import org.xml.sax.SAXException; |
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43 | |
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44 | /** |
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45 | * @author E.S. de Boer |
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46 | * @version 1.0 |
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47 | */ |
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48 | |
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49 | public class PluginData extends XMLDataFile |
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50 | { |
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51 | private List plugins; |
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52 | //private List enabledPlugins; |
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53 | |
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54 | public PluginData(){plugins = Preferences.getPlugins();} |
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55 | |
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56 | public PluginData(SAXParser parser) |
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57 | { |
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58 | plugins = Preferences.getPlugins(); |
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59 | InputStream data = null; |
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60 | data = getClass().getResourceAsStream("/plugins.xml"); |
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61 | if(data==null) |
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62 | { |
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63 | try |
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64 | { |
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65 | //if(Start.programURL != null) |
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66 | { |
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67 | //loadremote plugins |
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68 | data = (new URL(Start.programURL + "plugins.xml")).openStream(); |
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69 | } |
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70 | //else data = new FileInputStream(Start.path +"plugins.xml"); |
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71 | //data = new URL(local + "plugins.xml").openStream(); |
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72 | } |
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73 | catch (IOException ex) |
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74 | {//plugins xml not found so make one |
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75 | scanPlugins(); |
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76 | } |
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77 | } |
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78 | if(data != null) |
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79 | { |
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80 | try |
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81 | { |
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82 | parser.parse(new InputSource(new InputStreamReader(data)),new PluginsHandler(plugins)); |
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83 | } |
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84 | catch (SAXException ex) |
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85 | { |
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86 | ex.printStackTrace(); |
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87 | } |
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88 | catch (IOException ex) |
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89 | { |
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90 | ex.printStackTrace(); |
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91 | } |
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92 | for(Iterator i = plugins.iterator();i.hasNext();) |
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93 | {//remove plugins whitout description /deleted plugins still in preferences |
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94 | Object[] object = (Object[])i.next(); |
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95 | if(object[2] == null) i.remove();//was 3 |
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96 | } |
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97 | } |
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98 | } |
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99 | |
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100 | public void scanPlugins() |
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101 | { |
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102 | List oldPlugins = new ArrayList(plugins); |
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103 | plugins.clear(); |
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104 | searchPlugins(Start.pluginPath + "plugins"); |
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105 | try |
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106 | { |
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107 | BufferedWriter writer = new BufferedWriter(new OutputStreamWriter( |
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108 | new FileOutputStream(Start.pluginPath +"plugins.xml"), "UTF8")); |
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109 | writer.write(this.toString()); |
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110 | writer.close(); |
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111 | } |
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112 | catch (Exception ex2) |
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113 | { |
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114 | System.err.println("Failed to save 'plugins.xml': " + ex2.getMessage()); |
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115 | } |
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116 | for(Iterator i = oldPlugins.iterator();i.hasNext();) |
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117 | { |
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118 | Object[] oldPlugin =(Object[])i.next(); |
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119 | for(Iterator j = plugins.iterator();j.hasNext();) |
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120 | { |
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121 | Object[] newPlugin =(Object[])j.next(); |
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122 | if(oldPlugin[0].equals(newPlugin[0])) |
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123 | { |
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124 | newPlugin[1] = oldPlugin[1]; |
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125 | break; |
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126 | } |
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127 | } |
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128 | } |
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129 | } |
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130 | |
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131 | private void searchPlugins(String dir) |
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132 | { |
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133 | try { |
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134 | File path = new File(dir); |
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135 | File file[] = path.listFiles(); |
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136 | if(file == null) |
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137 | { |
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138 | System.err.println(MessageFormat.format(I18N.gettext("main.error.{0}_contains_no_plugins"),new Object[]{dir})); |
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139 | return; |
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140 | } |
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141 | for (int tel=0;tel<file.length;tel++) |
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142 | { |
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143 | File currentFile = file[tel]; |
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144 | if(currentFile.toString().endsWith(".jar")) |
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145 | { |
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146 | getPluginInfo(currentFile); |
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147 | } |
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148 | } |
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149 | } catch (Exception e) { |
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150 | // Ignore |
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151 | e.printStackTrace(); |
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152 | } |
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153 | } |
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154 | |
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155 | private void getPluginInfo(File file) |
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156 | { |
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157 | URL url[] = new URL[1]; |
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158 | try{ |
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159 | url[0] = file.toURL(); |
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160 | }catch(MalformedURLException e){} |
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161 | //System.out.println(url[0]); |
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162 | String name =file.getName(); |
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163 | name = name.substring(0,name.length()-4); |
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164 | //System.out.println(name); |
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165 | Class pluginClass=null; |
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166 | try |
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167 | { |
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168 | URLClassLoader loader = new URLClassLoader(url,this.getClass().getClassLoader()); |
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169 | pluginClass = loader.loadClass("nu.fw.jeti.plugins." + name + ".Plugin"); |
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170 | } |
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171 | catch(Exception e) |
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172 | { |
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173 | e.printStackTrace(); |
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174 | return; |
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175 | } |
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176 | try |
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177 | { |
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178 | String name2 = pluginClass.getField("NAME").get(null).toString(); |
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179 | boolean found = false; |
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180 | for(Iterator i = plugins.iterator();i.hasNext();) |
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181 | { |
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182 | Object[] temp = (Object[])i.next(); |
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183 | if(name2.equals(temp[0])) |
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184 | { |
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185 | fillPluginsDef(temp,pluginClass ,name2); |
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186 | found = true; |
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187 | break; |
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188 | } |
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189 | } |
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190 | if(!found) |
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191 | {//new plugin |
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192 | Object[] temp = new Object[6]; |
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193 | fillPluginsDef(temp,pluginClass ,name2); |
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194 | temp[1] = Boolean.FALSE; |
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195 | plugins.add(temp); |
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196 | } |
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197 | //pluginClass.getMethod("getInfo",new Class[]{}).invoke(); |
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198 | } |
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199 | catch (Exception ex) |
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200 | { |
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201 | ex.printStackTrace(); |
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202 | } |
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203 | } |
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204 | |
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205 | private void fillPluginsDef(Object[] temp,Class pluginClass,String name) throws Exception |
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206 | { |
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207 | temp[0]=name; |
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208 | temp[2]=pluginClass.getField("DESCRIPTION").get(null).toString(); |
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209 | temp[3]=pluginClass.getField("VERSION").get(null).toString(); |
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210 | temp[4]=pluginClass.getField("MIN_JETI_VERSION").get(null).toString(); |
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211 | try |
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212 | { |
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213 | temp[5]=pluginClass.getField("PARENT").get(null).toString(); |
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214 | } |
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215 | catch (NoSuchFieldException e) {} |
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216 | |
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217 | } |
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218 | |
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219 | public List getPlugins() |
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220 | { |
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221 | return plugins; |
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222 | } |
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223 | |
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224 | // private static void readJAR(URL url) |
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225 | // { |
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226 | // try |
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227 | // { |
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228 | // URL urlJar = new URL("jar:"+url+"!/"); |
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229 | // JarFile jarFile = new JarFile( "" ); |
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230 | // //BufferedReader data =new BufferedReader(new InputStreamReader(jarFile.getInputStream(jarFile.getEntry("info.cfg")))); |
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231 | // |
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232 | // BufferedReader data = null; |
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233 | // try |
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234 | // { |
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235 | // data =new BufferedReader(new InputStreamReader(new URL(urlJar + "info.cfg").openStream())); |
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236 | // } |
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237 | // catch (IOException ex) |
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238 | // { |
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239 | // data =new BufferedReader(new InputStreamReader(new URL(urlJar + "icondef.xml").openStream())); |
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240 | // } |
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241 | // } |
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242 | // catch(IOException e) |
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243 | // { |
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244 | // //System.out.println(currentFile.getName() + " is not a valid jar file"); |
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245 | // System.out.println(e.toString()); |
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246 | // } |
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247 | // } |
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248 | |
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249 | public void appendToXML(StringBuffer xml) |
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250 | { |
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251 | appendHeader(xml); |
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252 | appendOpenTag(xml,"<plugins>"); |
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253 | for(Iterator i = plugins.iterator();i.hasNext();) |
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254 | { |
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255 | appendOpenTag(xml,"<plugin>"); |
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256 | Object[] temp = (Object[]) i.next(); |
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257 | appendElement(xml,"name",(String)temp[0]); |
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258 | appendElement(xml,"description",(String)temp[2]); |
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259 | appendElement(xml,"version",(String)temp[3]); |
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260 | appendElement(xml,"min_jeti_version",(String)temp[4]); |
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261 | appendElement(xml,"parent",((String)temp[5])); |
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262 | appendCloseTag(xml,"</plugin>"); |
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263 | } |
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264 | appendCloseTag(xml,"</plugins>"); |
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265 | } |
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266 | |
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267 | public static void main(String[] args) { |
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268 | if (args.length != 2) { |
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269 | System.err.println("Arguments: dir_to_scan outfile"); |
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270 | System.exit(1); |
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271 | } |
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272 | new Preferences(); |
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273 | PluginData data = new PluginData(); |
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274 | data.plugins.clear(); |
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275 | data.searchPlugins(args[0]); |
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276 | try { |
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277 | BufferedWriter writer = new BufferedWriter(new OutputStreamWriter( |
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278 | new FileOutputStream(args[1]), "UTF8")); |
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279 | writer.write(data.toString()); |
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280 | writer.close(); |
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281 | } catch (IOException e) { |
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282 | System.err.println("Failed to write file: " + e); |
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283 | System.exit(1); |
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284 | } |
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285 | } |
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286 | } |
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287 | /* |
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288 | * Overrides for emacs |
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289 | * Local variables: |
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290 | * tab-width: 4 |
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291 | * End: |
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292 | */ |
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