@Override
					public Object getProperty(String name) {
						ModuleOption option = options.get(name);
						if (option != null) {
							String provided = raw.get(name);
							if (provided != null) {
								validateByType(option, provided);
								return provided;
							}
							else {
								return option.getDefaultValue();
							}
						} // option is not in the allowed list
						else {
							return null;
						}
					}
An implementation of {@link ModuleOptionsMetadata} that only knows how to list options and does not support advanced
facilities such as derived options, profile activation or validation.

@author Eric Bottard
@author David Turanski
spring-xd-module/src/main/java/org/springframework/xd/module/options/SimpleModuleOptionsMetadata.java