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root/i-scream/projects/cms/source/conient/uk/org/iscream/cms/conient/Configuration.java
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Comparing projects/cms/source/conient/uk/org/iscream/cms/conient/Configuration.java (file contents):
Revision 1.5 by ajm, Mon Feb 26 18:40:25 2001 UTC vs.
Revision 1.6 by ajm, Tue Feb 27 03:09:58 2001 UTC

# Line 3 | Line 3 | package uk.ac.ukc.iscream.conient;
3  
4   //---IMPORTS---
5   import javax.swing.JOptionPane;
6 + import javax.swing.JFileChooser;
7   import javax.swing.SwingUtilities;
8 + import javax.swing.filechooser.FileFilter;
9   import java.awt.Frame;
10   import java.util.Properties;
11   import java.io.*;
# Line 64 | Line 66 | public class Configuration {
66       * @param configFile the path to the file that this configuration should load
67       */
68      private Configuration(String configFile) {
69 +        _configFile = new File(configFile);
70 +        _defaultConfigFile = _configFile;
71          try {
72 <            _properties = readFileConfiguration(configFile);
72 >            _properties = readFileConfiguration(_configFile);
73          } catch (FileNotFoundException e) {
74 <            JOptionPane.showMessageDialog(null, "Configuration file not found - " + configFile, "Configuration Error", JOptionPane.ERROR_MESSAGE);
74 >            JOptionPane.showMessageDialog(null, "Configuration file not found - " + _configFile.getName(), "Configuration Error", JOptionPane.ERROR_MESSAGE);
75              System.exit(1);
76          } catch (IOException e) {
77 <            JOptionPane.showMessageDialog(null, "Unable to read configuration file - " + e.getMessage(), "Configuration Error", JOptionPane.ERROR_MESSAGE);
77 >            JOptionPane.showMessageDialog(null, "Unable to read configuration file - " + _configFile.getName() + "\nReason: " + e, "Configuration Error", JOptionPane.ERROR_MESSAGE);
78              System.exit(1);
79          }
80      }
# Line 123 | Line 127 | public class Configuration {
127      public void GUIReconfiguration() {
128          ConfigurationDialog conf = new ConfigurationDialog();
129      }
130 +    
131 +    public void saveNewConfiguration() {
132 +        fc.setCurrentDirectory(_configFile.getParentFile());
133 +        
134 +        int returnVal = fc.showSaveDialog(Conient.getFrame());
135 +        if (returnVal == JFileChooser.APPROVE_OPTION) {
136 +            _configFile = fc.getSelectedFile();
137 +            _usingSpecificConfig = true;
138 +            saveConfiguration();
139 +        }
140 +    }
141 +    
142 +    public void saveConfiguration() {
143 +        saveFileConfiguration(_configFile);
144 +    }
145 +    
146 +    public void saveDefaultConfiguration() {
147 +        saveFileConfiguration(_defaultConfigFile);
148 +    }
149 +    
150 +    public void loadConfiguration() {
151 +        fc.setCurrentDirectory(_configFile.getParentFile());
152 +        int returnVal = fc.showOpenDialog(Conient.getFrame());
153 +        if (returnVal == JFileChooser.APPROVE_OPTION) {
154 +            _configFile = fc.getSelectedFile();
155 +            _usingSpecificConfig = true;
156 +            try {
157 +                _properties = readFileConfiguration(_configFile);
158 +                JOptionPane.showMessageDialog(null, "Configuration sucessfully read in - " + _configFile.getName(), "Configuration Loaded", JOptionPane.INFORMATION_MESSAGE);
159 +            } catch (FileNotFoundException e) {
160 +                JOptionPane.showMessageDialog(null, "Configuration file not found - " + _configFile.getName(), "Configuration Error", JOptionPane.ERROR_MESSAGE);
161 +            } catch (IOException e) {
162 +                JOptionPane.showMessageDialog(null, "Unable to read configuration file - " + _configFile.getName() + "\nReason: " + e, "Configuration Error", JOptionPane.ERROR_MESSAGE);
163 +            }
164 +        }
165 +    }
166 +    
167   //---PRIVATE METHODS---
168  
169      /**
# Line 132 | Line 173 | public class Configuration {
173       * @param configFile the path of the file to be read
174       * @return the parsed properties
175       */
176 <    private Properties readFileConfiguration(String configFile) throws FileNotFoundException, IOException {
136 <        File file = new File(configFile);
176 >    private Properties readFileConfiguration(File inputFile) throws FileNotFoundException, IOException {
177          Properties configHolder = new Properties();
178 <        configHolder.load(new FileInputStream(file));
178 >        configHolder.load(new FileInputStream(inputFile));
179          return configHolder;
180      }
181 +    
182 +    private void saveFileConfiguration(File outputFile) {
183 +        try {
184 +            _properties.store(new FileOutputStream(outputFile), "!!!IN TIME A NICE DESCRIPTIVE HEADER WILL BE HERE!!!");
185 +            JOptionPane.showMessageDialog(null, "Configuration written out - " + _configFile.getName(), "Configuration Saved", JOptionPane.INFORMATION_MESSAGE);
186 +        } catch (IOException e) {
187 +            JOptionPane.showMessageDialog(null, "Unable to write default configuration file - " + outputFile.getName() + "\nReason: " + e, "Configuration Error", JOptionPane.ERROR_MESSAGE);
188 +        }
189 +    }
190  
191   //---ACCESSOR/MUTATOR METHODS---
192  
# Line 151 | Line 200 | public class Configuration {
200      public String getProperty(String key) {
201          return _properties.getProperty(key);
202      }
203 +    
204 +    public void setProperty(String key, String value) {
205 +        _properties.setProperty(key, value);
206 +    }
207 +    
208 +    public boolean getUsingSpecificConfig() {
209 +        return _usingSpecificConfig;
210 +    }
211  
212   //---ATTRIBUTES---
213  
# Line 158 | Line 215 | public class Configuration {
215       * The current configuration in use
216       */
217      private Properties _properties = null;
218 <
218 >    
219 >    private boolean _usingSpecificConfig = false;
220 >    
221 >    private File _configFile;
222 >    
223 >    private File _defaultConfigFile;
224 >    
225 >    final FileFilter filter = new SuffixFileFilter("conf", "Conient Configuration Files");
226 >    final JFileChooser fc = new JFileChooser();
227 >    {
228 >        fc.setFileSelectionMode(JFileChooser.FILES_ONLY);
229 >        fc.setMultiSelectionEnabled(false);
230 >        fc.setFileFilter(new FileFilter() {
231 >            public boolean accept(File f) {
232 >                return (f != null) && (f.isDirectory() || filter.accept(f));
233 >            }
234 >            public String getDescription() {
235 >                return "Folders and Conient Configuration Files";
236 >            }
237 >        });
238 >        fc.addChoosableFileFilter(filter);
239 >    }
240 >    
241   //---STATIC ATTRIBUTES---
242  
243      /**
244       * The reference to the singleton instance of this class
245       */
246      private static Configuration _instance = null;
247 + //---INNER CLASSES---
248 +
249 +    private class SuffixFileFilter extends FileFilter {
250 +        public SuffixFileFilter(String suffix, String description) {
251 +            if (suffix.charAt(0) != '.') {
252 +                _suffix = '.' + suffix;
253 +            } else {
254 +                _suffix = suffix;
255 +            }
256 +            _description = description;
257 +        }
258 +        
259 +        public boolean accept(File f) {
260 +            boolean ok = false;
261 +            if (f != null) {
262 +                final String name = f.getName();
263 +                if (name != null) {
264 +                    final int nameLength = name.length();
265 +                    int dotIndex = name.lastIndexOf(".");
266 +                    ok = (dotIndex >= 1) &&
267 +                        getSuffix().equalsIgnoreCase(name.substring(dotIndex));
268 +                }
269 +            }
270 +            return ok;
271 +        }
272 +        
273 +        public String getDescription() {
274 +            return _description;
275 +        }
276 +        
277 +        public String getSuffix() {
278 +            return _suffix;
279 +        }
280 +        
281 +        private final String _suffix, _description;
282 +    }
283 +            
284   }

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