无法将类型编组为元素,因为它缺少自动生成的类的@XmlRootElement注释 [英] unable to marshal type as an element because it is missing an @XmlRootElement annotation for auto generated classes
问题描述
我需要针对我的模式验证Class对象,在该模式中我提供了正则表达式来验证自动生成的JAXB类的字段。当我尝试验证我的类对象时,我得到以下错误:
I need to validate Class object against my schema in which I have provided regular expression to validate fields for auto generated JAXB classes. When I try to validate my class object I get below error:
无法编组类型xyz作为元素,因为它缺少@XmlRootElement注释
以下是我用来验证自动生成的类对象的代码:
Here is the code that I use to validate my autogenerated class object:
jc = JAXBContext.newInstance(obj.getClass());
source = new JAXBSource(jc, obj);
Schema schema = schemaInjector.getSchema();
Validator validator = schema.newValidator();
validator.validate(source);
还有其他方法可以解决这个问题吗?
Is there any other way I can solve this?
推荐答案
如果您的类没有 @XmlRootElement
注释,那么您可以将其包装在<$ c $的实例中C>的JAXBElement 。如果您从XML Schema生成类,则生成的 ObjectFactory
可能有一个方便的方法。
If your class does not have an @XmlRootElement
annotation then you can wrap it in an instance of JAXBElement
. If you generated your classes from an XML Schema then the generated ObjectFactory
may have a convenience method for you.
I在我的博客上写了更多关于这个用例的信息:
I have written more about this use case on my blog:
- http://blog.bdoughan.com/2012/07/jaxb-and-root-elements.html
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