"GenericCrudCommand.invalid_type",
"Invalid annotated type {0} passed to InjectionResolver:getValue()",
annotated.getClass().toString());
Object[] params = new Object[] { annotated.getClass().toString()};
logger.log(Level.SEVERE, "GenericCrudCommand.invalid_type", params);
throw new ComponentException(msg);
}
} catch (IllegalAccessException e) {
String msg = localStrings.getLocalString(GenericCrudCommand.class,
"GenericCrudCommand.invocation_failure",
"Failure {0} while getting List<?> values from component",
e.getMessage());
Object[] params = new Object[] { e.getMessage()};
logger.log(Level.SEVERE, "GenericCrudCommand.invocation_failure", params);
throw new ComponentException(msg, e);
} catch (InvocationTargetException e) {
String msg = localStrings.getLocalString(GenericCrudCommand.class,
"GenericCrudCommand.invocation_failure",
"Failure {0} while getting List<?> values from component",
e.getMessage());
Object[] params = new Object[] { e.getMessage()};
logger.log(Level.SEVERE, "GenericCrudCommand.invocation_failure", params);
throw new ComponentException(msg, e);
}
Object value = delegate.getValue(component, annotated, genericType, type);
if (value==null) {
if (logger.isLoggable(level)) {
logger.log(level, "Value of " + annotated.toString() + " is null");
}
return null;
}
Type genericReturnType=null;
if (annotated instanceof Method) {
genericReturnType = ((Method) annotated).getGenericReturnType();
} else if (annotated instanceof Field) {
genericReturnType = ((Field) annotated).getGenericType();
}
if (genericReturnType==null) {
throw new ComponentException("Cannot determine parametized type from " + annotated.toString());
}
final Class<? extends ConfigBeanProxy> itemType = Types.erasure(Types.getTypeArgument(genericReturnType, 0));
if (logger.isLoggable(level)) {
logger.log(level, "Found that List<?> really is a List<" + itemType.toString() + ">");
}
if (itemType==null) {
String msg = localStrings.getLocalString(GenericCrudCommand.class,
"GenericCrudCommand.nongeneric_type",
"The List type returned by {0} must be a generic type",
annotated.toString());
Object[] params = new Object[] {annotated.toString()};
logger.log(Level.SEVERE, "GenericCrudCommand.nongeneric_type", params);
throw new ComponentException(msg);
}
if (!ConfigBeanProxy.class.isAssignableFrom(itemType)) {
String msg = localStrings.getLocalString(GenericCrudCommand.class,
"GenericCrudCommand.wrong_type",
"The generic type {0} is not supported, only List<? extends ConfigBeanProxy> is",
annotated.toString());
Object[] params = new Object[] { annotated.toString()};
logger.log(Level.SEVERE, "GenericCrudCommand.wrong_type", params);
throw new ComponentException(msg);
}
Properties props = convertStringToProperties(value.toString(), ':');
if (logger.isLoggable(level)) {
for (Map.Entry<Object, Object> entry : props.entrySet()) {
logger.log(level, "Subtype " + itemType + " key:" + entry.getKey() + " value:" + entry.getValue());
}
}
final BeanInfo beanInfo;
try {
beanInfo = Introspector.getBeanInfo(itemType);
} catch (IntrospectionException e) {
String msg = localStrings.getLocalString(GenericCrudCommand.class,
"GenericCrudCommand.introspection_failure",
"Failure {0} while instrospecting {1} to find all getters and setters",
e.getMessage(), itemType.getName());
Object[] params = new Object[] { e.getMessage(), itemType.getName()};
logger.log(Level.SEVERE, "GenericCrudCommand.introspection_failure", params);
throw new ComponentException(msg, e);
}
for (final Map.Entry<Object, Object> entry : props.entrySet()) {
ConfigBeanProxy child = (ConfigBeanProxy) component;
try {
ConfigBeanProxy cc = child.createChild(itemType);
new InjectionManager().inject(cc, itemType, new InjectionResolver<Attribute>(Attribute.class) {
@Override
public boolean isOptional(AnnotatedElement annotated, Attribute annotation) {
return true;
}
@Override
public Method getSetterMethod(Method annotated, Attribute annotation) {
// Attribute annotation are always annotated on the getter, we need to find the setter
// variant.
for (PropertyDescriptor pd : beanInfo.getPropertyDescriptors()) {
if (pd.getReadMethod().equals(annotated)) {
return pd.getWriteMethod();
}
}
return annotated;
}
@Override
public <V> V getValue(Object component, AnnotatedElement annotated, Type genericType, Class<V> type) throws ComponentException {
String name = annotated.getAnnotation(Attribute.class).value();
if ((name==null || name.length()==0) && annotated instanceof Method) {
// maybe there is a better way to do this...
name = ((Method) annotated).getName().substring(3);
if (name.equalsIgnoreCase("name") || name.equalsIgnoreCase("key")) {
return type.cast(entry.getKey());
}
if (name.equalsIgnoreCase("value")) {
return type.cast(entry.getValue());
}
}
return null;
}
});
values.add(cc);
} catch (TransactionFailure transactionFailure) {
String msg = localStrings.getLocalString(GenericCrudCommand.class,
"GenericCrudCommand.transactionException",
"Transaction exception {0} while injecting {1}",
transactionFailure.getMessage(), itemType);
Object[] params = new Object[] { transactionFailure.getMessage(), itemType};
logger.log(Level.SEVERE, "GenericCrudCommand.transactionException", params);
throw new ComponentException(msg, transactionFailure);
}
}
return null;
}