public ManagedConnection createManagedConnection(Subject subject, ConnectionRequestInfo cri)
throws javax.resource.ResourceException {
if (xadsSelector == null) {
return getXAManagedConnection(subject, cri);
}
// try to get a connection as many times as many urls we have in the list
for (int i = 0; i < xadsSelector.getCustomSortedUrls().size(); ++i) {
XAData xaData = (XAData) xadsSelector.getUrlObject();
if (log.isTraceEnabled()) {
log.trace("Trying to create an XA connection to " + xaData.url);
}
try {
return getXAManagedConnection(subject, cri);
} catch (ResourceException e) {
log.warn("Failed to create an XA connection to " + xaData.url + ": " + e.getMessage());
xadsSelector.failedUrlObject(xaData);
}
}
// we have supposedly tried all the urls
throw new JBossResourceException(
"Could not create connection using any of the URLs: " + xadsSelector.getAllUrlObjects());
}
protected synchronized XADataSource getXADataSource() throws ResourceException {
if (xadsSelector != null) {
XAData xada = (XAData) xadsSelector.getUrlObject();
return xada.xads;
}
if (xads == null) {
if (xaDataSourceClass == null)
throw new JBossResourceException("No XADataSourceClass supplied!");
try {
Class clazz = Thread.currentThread().getContextClassLoader().loadClass(xaDataSourceClass);
xads = (XADataSource) clazz.newInstance();
Class[] NOCLASSES = new Class[] {};
for (Iterator i = xaProps.keySet().iterator(); i.hasNext(); ) {
String name = (String) i.next();
String value = xaProps.getProperty(name);
char firstCharName = Character.toUpperCase(name.charAt(0));
if (name.length() > 1) name = firstCharName + name.substring(1);
else name = "" + firstCharName;
// This is a bad solution. On the other hand the only known example
// of a setter with no getter is for Oracle with password.
// Anyway, each xadatasource implementation should get its
// own subclass of this that explicitly sets the
// properties individually.
Class type = null;
try {
Method getter = clazz.getMethod("get" + name, NOCLASSES);
type = getter.getReturnType();
} catch (NoSuchMethodException e) {
try {
// HACK for now until we can rethink the XADataSourceProperties variable and pass type
// information
Method isMethod = clazz.getMethod("is" + name, NOCLASSES);
type = isMethod.getReturnType();
} catch (NoSuchMethodException nsme) {
type = String.class;
}
}
Method setter = clazz.getMethod("set" + name, new Class[] {type});
PropertyEditor editor = PropertyEditorManager.findEditor(type);
if (editor == null)
throw new JBossResourceException("No property editor found for type: " + type);
editor.setAsText(value);
setter.invoke(xads, new Object[] {editor.getValue()});
}
} catch (ClassNotFoundException cnfe) {
throw new JBossResourceException(
"Class not found for XADataSource " + xaDataSourceClass, cnfe);
} catch (InstantiationException ie) {
throw new JBossResourceException("Could not create an XADataSource: ", ie);
} catch (IllegalAccessException iae) {
throw new JBossResourceException("Could not set a property: ", iae);
} catch (IllegalArgumentException iae) {
throw new JBossResourceException("Could not set a property: ", iae);
} catch (InvocationTargetException ite) {
throw new JBossResourceException("Could not invoke setter on XADataSource: ", ite);
} catch (NoSuchMethodException nsme) {
throw new JBossResourceException("Could not find accessor on XADataSource: ", nsme);
}
}
return xads;
}
