/**
* Loads the class <code>qualifiedName</code> from the specified <code>bundle</code> if possible.
*
* @param bundle The bundle from which to load the sought class.
* @param qualifiedName Qualified name of the class that is to be loaded.
* @return An instance of the class if it could be loaded, <code>null</code> otherwise.
*/
private Class<?> internalLoadClass(Bundle bundle, String qualifiedName) {
try {
WorkspaceClassInstance workspaceInstance = workspaceLoadedClasses.get(qualifiedName);
final Class<?> clazz;
if (workspaceInstance == null) {
clazz = bundle.loadClass(qualifiedName);
workspaceLoadedClasses.put(
qualifiedName, new WorkspaceClassInstance(clazz, bundle.getSymbolicName()));
} else if (workspaceInstance.isStale()) {
clazz = bundle.loadClass(qualifiedName);
workspaceInstance.setStale(false);
workspaceInstance.setClass(clazz);
} else {
clazz = workspaceInstance.getClassInstance();
}
return clazz;
} catch (ClassNotFoundException e) {
e.fillInStackTrace();
AcceleoCommonPlugin.log(
AcceleoCommonMessages.getString(
"BundleClassLookupFailure", //$NON-NLS-1$
qualifiedName,
bundle.getSymbolicName()),
e,
false);
}
return null;
}
private static Connection connect(String url) throws SQLException {
// Step 1: Load the JDBC driver.
try {
DatabaseUtil.loadDatabaseDriver(url);
} catch (ClassNotFoundException e) {
log.error("Could not find JDBC driver class.", e);
throw (SQLException) e.fillInStackTrace();
}
// Step 2: Establish the connection to the database.
String username = Context.getRuntimeProperties().getProperty("connection.username");
String password = Context.getRuntimeProperties().getProperty("connection.password");
log.debug(
"connecting to DATABASE: "
+ OpenmrsConstants.DATABASE_NAME
+ " USERNAME: "******" URL: "
+ url);
return DriverManager.getConnection(url, username, password);
}
