PropertyEditorProvider.java 文件源码

/**
 * Retrieve an editor object for a given class.
 * This method seems unable to retrieve a primitive editor for obscure reasons.
 * So better use the one based on PropertyDescriptor if possible.
 */
public static PropertyEditor findEditor(Class<?> cls) {
    PropertyEditor editor = PropertyEditorManager.findEditor(cls);

    // Try to unwrap primitives
    if (editor == null && Primitives.isWrapperType(cls)) {
        editor = PropertyEditorManager.findEditor(Primitives.unwrap(cls));
    }

    if ((editor == null) && useDefaultGOE) {
        if (cls.isArray()) {
            Class<?> unwrapped = Primitives.isWrapperType(cls.getComponentType()) ? Primitives.unwrap(cls.getComponentType()) : cls;
            if (unwrapped.isPrimitive()) {
                editor = new ArrayEditor();
            } else {
                editor = new ObjectArrayEditor<>(unwrapped.getComponentType());
            }
        } else if (cls.isEnum()) {
            editor = new EnumEditor();
        } else {
            editor = new GenericObjectEditor();
            ((GenericObjectEditor)editor).setClassType(cls);
        }
    }
    return editor;
}