使用绑定器将xml与命名空间解组时，jaxb-moxy出现问题

Question

我使用jaxb moxy散集一个xml从活页夹，但它给出了例外：一个描述符与默认根元素bean没有找到在项目中。

要解组的Xml文件-

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<beans xmlns="http://www.example.org/package">
</beans>

Beans.java-

@XmlRootElement(namespace="http://www.example.org/package")
public class Beans {

String name = "ss";

@XmlElement
public String getName() {
    return name;
}

public void setName(String name) {
    this.name = name;
}

}

package-info.java

@XmlSchema(
    namespace="http://www.example.org/package",
    elementFormDefault=XmlNsForm.QUALIFIED)
package com.jaxb.test;


import javax.xml.bind.annotation.*;

主要类-

DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        DocumentBuilder db = dbf.newDocumentBuilder();
        File xml = new File(
                "D:\\eclipse-jee-indigo-SR2\beans.xml");
        Document document = db.parse(xml);

        JAXBContext jc = JAXBContext.newInstance(Beans.class);



        Binder<Node> binder = jc.createBinder();

        Beans customer = (Beans)   jc.createBinder().unmarshal(document);//throws exception

     //Beans customer = (Beans) jc.createUnmarshaller().unmarshal(xml);This works
    //Beans customer = (Beans) jc.createUnmarshaller().unmarshal(document);Throws same exception

例外-

javax.xml.bind.UnmarshalException
- with linked exception:
[Exception [EclipseLink-25008] (Eclipse Persistence Services - 2.4.1.v20121003-   ad44345): org.eclipse.persistence.exceptions.XMLMarshalException
Exception Description: A descriptor with default root element beans was not found in the project]
at  org.eclipse.persistence.jaxb.JAXBUnmarshaller.handleXMLMarshalException(JAXBUnmarshaller.java:1014)
at  org.eclipse.persistence.jaxb.JAXBUnmarshaller.unmarshal(JAXBUnmarshaller.java:199)
at com.jaxb.test.JaxbTest.main(JaxbTest.java:43)

Answer 1

解决了它。我没有使用软件包信息.java而是使用了 bindins.xml .

豆类结合.xml-

<?xml version="1.0" encoding="UTF-8"?>
<xml-schema element-form-default="QUALIFIED" namespace="http://www.example.org/package">
    <xml-ns prefix="" namespace-uri="http://www.example.org/package" />
</xml-schema>

<java-types>
    <java-type name="Beans">
    <xml-root-element name="beans"/>
        <java-attributes>

        </java-attributes>
    </java-type>
</java-types>

Answer 2

默认情况下，DocumentBuilderFactory不知道命名空间。这意味着您传递给MOXy的文档将不会像预期的那样限定命名空间。您可以通过在代码中添加以下内容来解决此问题：

dbf.setNamespaceAware(true);