Java Code Examples for org.springframework.core.annotation.AnnotationAttributes#size()

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Example 1
Source File: AnnotationReadingVisitorUtils.java    From spring4-understanding with Apache License 2.0 4 votes vote down vote up 
public static AnnotationAttributes convertClassValues(ClassLoader classLoader, AnnotationAttributes original,
		boolean classValuesAsString) {

	if (original == null) {
		return null;
	}

	AnnotationAttributes result = new AnnotationAttributes(original.size());
	for (Map.Entry<String, Object> entry : original.entrySet()) {
		try {
			Object value = entry.getValue();
			if (value instanceof AnnotationAttributes) {
				value = convertClassValues(classLoader, (AnnotationAttributes) value, classValuesAsString);
			}
			else if (value instanceof AnnotationAttributes[]) {
				AnnotationAttributes[] values = (AnnotationAttributes[]) value;
				for (int i = 0; i < values.length; i++) {
					values[i] = convertClassValues(classLoader, values[i], classValuesAsString);
				}
			}
			else if (value instanceof Type) {
				value = (classValuesAsString ? ((Type) value).getClassName() :
						classLoader.loadClass(((Type) value).getClassName()));
			}
			else if (value instanceof Type[]) {
				Type[] array = (Type[]) value;
				Object[] convArray = (classValuesAsString ? new String[array.length] : new Class<?>[array.length]);
				for (int i = 0; i < array.length; i++) {
					convArray[i] = (classValuesAsString ? array[i].getClassName() :
							classLoader.loadClass(array[i].getClassName()));
				}
				value = convArray;
			}
			else if (classValuesAsString) {
				if (value instanceof Class) {
					value = ((Class<?>) value).getName();
				}
				else if (value instanceof Class[]) {
					Class<?>[] clazzArray = (Class[]) value;
					String[] newValue = new String[clazzArray.length];
					for (int i = 0; i < clazzArray.length; i++) {
						newValue[i] = clazzArray[i].getName();
					}
					value = newValue;
				}
			}
			result.put(entry.getKey(), value);
		}
		catch (Exception ex) {
			// Class not found - can't resolve class reference in annotation attribute.
			result.put(entry.getKey(), ex);
		}
	}
	return result;
}