/**
* In order for versions older than 3.2.1 to be properly upgraded, the plugin assmebly files that
* have the form :
*
* <pre>
* <plugin internal name>-assembly.zip
* </pre>
*
* must be copied to the old archive form :
*
* <pre>
* <plugin internal name>.jar
* </pre>
*
* This method loops through all of the plugin assembly archives and copies them to the old
* format.
*/
private void copyPluginAssemblies() throws IOException {
FileWrapper pluginsDir = _fileWrapperFactory.create(releaseDirectory, "plugin");
String[] pluginsList = pluginsDir.list();
for (String plugin : pluginsList) {
String oldFormat = plugin.replace("-assembly", "").replace(".zip", ".jar");
FileWrapper pluginAssemblyArchiveFile = _fileWrapperFactory.create(pluginsDir, plugin);
FileWrapper oldFormatArchiveFile = _fileWrapperFactory.create(pluginsDir, oldFormat);
if (log.isInfoEnabled()) {
log.info("Copying assembly file ( " + plugin + " ) to old format: " + oldFormat);
}
_iou.copyFile(pluginAssemblyArchiveFile, oldFormatArchiveFile);
}
}
private void createEmptyRequiredUserFiles() {
_userExtraLAFFolder.mkdirs();
FileWrapper file =
fileWrapperFactory.create(_userExtraLAFFolder, ILAFConstants.USER_EXTRA_LAFS_PROPS_FILE);
try {
boolean result = file.createNewFile();
if (!result) {
s_log.warn("Failed to create empty required user files");
}
} catch (IOException ex) {
s_log.error("Error creating file " + file.getAbsolutePath(), ex);
}
}
/**
* Load this plugin.
*
* @param app Application API.
*/
public synchronized void load(IApplication app) throws PluginException {
super.load(app);
// Load resources.
_resources = new LAFPluginResources(this);
// Folder within plugins folder that belongs to this
// plugin.
FileWrapper pluginAppFolder = null;
try {
pluginAppFolder = getPluginAppSettingsFolder();
} catch (IOException ex) {
throw new PluginException(ex);
}
// Folder that stores Look and Feel jars.
_lafFolder = fileWrapperFactory.create(pluginAppFolder, "lafs");
if (!_lafFolder.exists()) {
_lafFolder.mkdir();
}
// Folder to store user settings.
try {
_userSettingsFolder = getPluginUserSettingsFolder();
} catch (IOException ex) {
throw new PluginException(ex);
}
// Folder to contain extra LAFs supplied by the user.
_userExtraLAFFolder =
fileWrapperFactory.create(_userSettingsFolder, ILAFConstants.USER_EXTRA_LAFS_FOLDER);
// Create empty required files in user settings directory.
createEmptyRequiredUserFiles();
// Load plugin preferences.
loadPrefs();
// Create the Look and Feel register.
_lafRegister = new LAFRegister(app, this);
// Listen for GUI components being created.
UIFactory.getInstance().addListener(new UIFactoryListener());
// Update font used for status bars.
_lafRegister.updateStatusBarFont();
}
/** Load from preferences file. */
private void loadPrefs() {
final FileWrapper oldPrefsFile =
fileWrapperFactory.create(_userSettingsFolder, OLD_USER_PREFS_FILE_NAME);
final FileWrapper newPrefsFile =
fileWrapperFactory.create(_userSettingsFolder, USER_PREFS_FILE_NAME);
final boolean oldExists = oldPrefsFile.exists();
final boolean newExists = newPrefsFile.exists();
try {
if (oldExists) {
loadOldPrefs(oldPrefsFile);
try {
_settingsCache.add(_lafPrefs);
} catch (DuplicateObjectException ex) {
s_log.error("LAFPreferences object already in cache", ex);
}
savePrefs(newPrefsFile);
if (!oldPrefsFile.delete()) {
s_log.error("Unable to delete old LAF preferences file");
}
} else if (newExists) {
loadNewPrefs(newPrefsFile);
}
} catch (IOException ex) {
s_log.error("Error occured in preferences file", ex);
} catch (XMLException ex) {
s_log.error("Error occured in preferences file", ex);
}
if (_lafPrefs == null) {
_lafPrefs = new LAFPreferences(IdentifierFactory.getInstance().createIdentifier());
_lafPrefs.setLookAndFeelClassName(MetalLookAndFeelController.METAL_LAF_CLASS_NAME);
try {
_settingsCache.add(_lafPrefs);
} catch (DuplicateObjectException ex) {
s_log.error("LAFPreferences object already in cache", ex);
}
}
}
/**
* Load preferences from the new file format.
*
* @param newPerfsFile FileWrapper containing the preferences information.
* @throws XMLException Thrown if error reading preferences file.
*/
private void loadNewPrefs(FileWrapper newPrefsFile) throws XMLException {
try {
try {
_settingsCache.load(newPrefsFile.getPath(), getClass().getClassLoader());
} catch (DuplicateObjectException ex) {
s_log.error("Cache should have been empty", ex);
}
Iterator<LAFPreferences> it = _settingsCache.getAllForClass(LAFPreferences.class);
if (it.hasNext()) {
_lafPrefs = it.next();
} else {
s_log.error("LAFPreferences object not loaded");
}
} catch (FileNotFoundException ignore) {
// property file not found for user - first time user ran pgm.
}
}
/**
* Save preferences to disk.
*
* @param prefsFile File to save preferences to.
*/
private void savePrefs(FileWrapper prefsFile) throws IOException, XMLException {
_settingsCache.save(prefsFile.getPath());
}
