public MessageRenderer createRenderer(ClassLoader classLoader, RendererConfig rConfig)
throws InvocationTargetException, HermesException, InstantiationException,
IllegalAccessException, ClassNotFoundException {
Thread.currentThread().setContextClassLoader(classLoader);
MessageRenderer renderer =
(MessageRenderer) classLoader.loadClass(rConfig.getClassName()).newInstance();
MessageRenderer.Config rendererConfig = renderer.createConfig();
if (rendererConfig != null) {
Properties rendererProperties = HermesBrowser.getConfigDAO().getRendererProperties(rConfig);
BeanUtils.populate(rendererConfig, rendererProperties);
}
renderer.setConfig(rendererConfig);
return renderer;
}
public void setConfig(ClassLoader classLoader, HermesConfig config) throws HermesException {
boolean gotDefaultRenderer = false;
for (Iterator iter = config.getRenderer().iterator(); iter.hasNext(); ) {
RendererConfig rConfig = (RendererConfig) iter.next();
try {
MessageRenderer renderer = createRenderer(classLoader, rConfig);
if (renderer.getClass().getName().equals(DefaultMessageRenderer.class.getName())) {
gotDefaultRenderer = true;
}
renderersByClass.put(rConfig.getClassName(), renderer);
renderersByName.put(renderer.getDisplayName(), renderer);
} catch (Throwable t) {
log.error("cannot load renderer " + rConfig.getClassName() + ": " + t.getMessage(), t);
if (HermesBrowser.getBrowser() != null) {
JOptionPane.showMessageDialog(
HermesBrowser.getBrowser(),
"Cannot load renderer "
+ rConfig.getClassName()
+ ":\n"
+ t.getClass().getName()
+ "\n"
+ t.getMessage(),
"Error",
JOptionPane.ERROR_MESSAGE);
}
}
}
renderers.clear();
//
// Handle upgrades to Hermes 1.6 where this may be missing.
if (!gotDefaultRenderer) {
RendererConfig rConfig = new RendererConfig();
rConfig.setClassName(DefaultMessageRenderer.class.getName());
config.getRenderer().add(rConfig);
renderers.add(new DefaultMessageRenderer());
}
final StringTokenizer rendererClasses =
new StringTokenizer(
System.getProperty(
SystemProperties.RENDERER_CLASSES, SystemProperties.DEFAULT_RENDERER_CLASSES),
",");
while (rendererClasses.hasMoreTokens()) {
final String rendererClassName = rendererClasses.nextToken();
if (renderersByClass.containsKey(rendererClassName)) {
renderers.add(renderersByClass.get(rendererClassName));
} else {
try {
MessageRenderer renderer =
(MessageRenderer) Class.forName(rendererClassName).newInstance();
renderers.add(renderer);
renderersByClass.put(rendererClassName, renderer);
renderersByName.put(renderer.getDisplayName(), renderer);
} catch (Throwable t) {
log.error("cannot instantiate renderer: " + rendererClassName + ": " + t.getMessage(), t);
}
}
}
log.debug("renderer chain:");
for (MessageRenderer r : renderers) {
log.debug(r.getDisplayName() + ": " + r.getClass().getName());
}
for (Iterator hIter = HermesBrowser.getConfigDAO().getAllSessions(config).iterator();
hIter.hasNext(); ) {
SessionConfig sConfig = (SessionConfig) hIter.next();
for (Iterator iter2 =
HermesBrowser.getConfigDAO().getAllDestinations(config, sConfig.getId()).iterator();
iter2.hasNext(); ) {
DestinationConfig dConfig = (DestinationConfig) iter2.next();
if (dConfig.getRenderer() != null) {
// @@TODO Remove the old destination specific renderers.
dConfig.setRenderer(null);
}
}
}
}