// Assumes that we only really care about the preferences, not the comments
private Map<String, String> readExistingPrefs(File userPrefs) {
Map<String, String> prefs = new HashMap<String, String>();
BufferedReader reader = null;
try {
reader = new BufferedReader(new FileReader(userPrefs));
String line = reader.readLine();
while (line != null) {
if (!line.startsWith("user_pref(\"")) {
line = reader.readLine();
continue;
}
line = line.substring("user_pref(\"".length());
line = line.substring(0, line.length() - ");".length());
String[] parts = line.split(",");
parts[0] = parts[0].substring(0, parts[0].length() - 1);
prefs.put(parts[0].trim(), parts[1].trim());
line = reader.readLine();
}
} catch (IOException e) {
throw new WebDriverException(e);
} finally {
Cleanly.close(reader);
}
return prefs;
}
protected void writeNewPrefs(Map<String, String> prefs) {
Writer writer = null;
try {
writer = new FileWriter(userPrefs);
for (Map.Entry<String, String> entry : prefs.entrySet()) {
writer.append(String.format("user_pref(\"%s\", %s);\n", entry.getKey(), entry.getValue()));
}
} catch (IOException e) {
throw new WebDriverException(e);
} finally {
Cleanly.close(writer);
}
}
protected void installDevelopmentExtension() throws IOException {
if (!FileHandler.createDir(extensionsDir))
throw new IOException(
"Cannot create extensions directory: " + extensionsDir.getAbsolutePath());
String home = findFirefoxExtensionRootInSourceCode();
File writeTo = new File(extensionsDir, EXTENSION_NAME);
if (writeTo.exists() && !FileHandler.delete(writeTo)) {
throw new IOException(
"Cannot delete existing extensions directory: " + extensionsDir.getAbsolutePath());
}
FileWriter writer = null;
try {
writer = new FileWriter(writeTo);
writer.write(home);
} catch (IOException e) {
throw new WebDriverException(e);
} finally {
Cleanly.close(writer);
}
}