/**
* Initialize the jWebSocket Server system
*
* @param aConfigPath the overridden path to xml config file
* @return the initializer object
* @throws WebSocketException if there's an exception while initialization
*/
public final WebSocketInitializer initialize(String aConfigPath) throws WebSocketException {
String lConfigPath;
if (aConfigPath != null && !"".equals(aConfigPath)) {
lConfigPath = Tools.expandEnvVarsAndProps(aConfigPath);
if (mLog.isDebugEnabled()) {
mLog.debug("Initializing: Using config file '" + aConfigPath + "'...");
}
} else {
lConfigPath = JWebSocketConfig.getConfigPath();
}
if (lConfigPath == null) {
throw new WebSocketException(
"Either "
+ JWebSocketServerConstants.JWEBSOCKET_HOME
+ " variable is not set"
+ " or jWebSocket.xml file does neither exist at ${"
+ JWebSocketServerConstants.JWEBSOCKET_HOME
+ "}/conf nor at ${CLASSPATH}/conf.");
}
// load the entire settings from the configuration xml file
JWebSocketConfig lConfig = loadConfiguration(lConfigPath);
// initialize security by using config settings
SecurityFactory.initFromConfig(lConfig);
WebSocketInitializer lInitializer = new JWebSocketXmlConfigInitializer(lConfig);
return lInitializer;
}
/**
* Load all the configurations based on jWebSocket.xml file at the given <tt>configFilePath</tt>
* location.
*
* @param aConfigPath the path to jWebSocket.xml file
* @return the web socket config object with all the configuration
* @throws WebSocketException if there's any while loading configuration
*/
public JWebSocketConfig loadConfiguration(final String aConfigPath) throws WebSocketException {
JWebSocketConfig lConfig = null;
String lMsg;
try {
InputStream lIS;
if (JWebSocketConfig.isLoadConfigFromResource()) {
if (mLog.isDebugEnabled()) {
mLog.debug("Loading configuration from resource '" + aConfigPath + "...");
}
lIS = this.getClass().getResourceAsStream("/" + aConfigPath);
} else {
if (mLog.isDebugEnabled()) {
mLog.debug("Loading configuration from file '" + aConfigPath + "...");
}
File lFile = new File(aConfigPath);
lIS = new FileInputStream(lFile);
}
XMLInputFactory lFactory = XMLInputFactory.newInstance();
XMLStreamReader lStreamReader = null;
lStreamReader = lFactory.createXMLStreamReader(lIS);
lConfig = (JWebSocketConfig) mConfigHandler.processConfig(lStreamReader);
if (mLog.isInfoEnabled()) {
mLog.info("Configuration successfully loaded from '" + aConfigPath + "'.");
}
} catch (XMLStreamException lEx) {
lMsg =
lEx.getClass().getSimpleName()
+ " occurred while creating XML stream ("
+ aConfigPath
+ "): "
+ lEx.getMessage()
+ ".";
throw new WebSocketException(lMsg);
} catch (FileNotFoundException lEx) {
lMsg =
"jWebSocket config file not found while creating XML stream ("
+ aConfigPath
+ "): "
+ lEx.getMessage()
+ ".";
throw new WebSocketException(lMsg);
}
return lConfig;
}