How can I add xml attributes to jaxb annotated class XmlElementWrapper?

Question

I have a class with a XmlElementWrapper annotation like:

...

  @XmlElementWrapper(name="myList")     @XmlElements({     @XmlElement(name="myElement") }     )     private List<SomeType> someList = new LinkedList(); 

... This code produces XML like

<myList>   <myElement> </myElement>   <myElement> </myElement>   <myElement> </myElement> </myList> 

so far so good.

But now I need to add attributes to the list tag to get XML like

<myList number="2">   <myElement> </myElement>   <myElement> </myElement>   <myElement> </myElement> </myList> 

Is there a 'smart way to achieve this without creating a new class that contains represents the list?

Answer 1

I got a better solution for your question.

For making Xml Java object, use the following code:

import java.util.*; import javax.xml.bind.annotation.*;  @XmlRootElement(name="myList") public class Root {      private String number;     private List<String> someList;      @XmlAttribute(name="number")     public String getNumber() {         return number;     }      public void setNumber(String number) {         this.number = number;     }      @XmlElement(name="myElement")     public List<String> getSomeList() {         return someList;     }      public void setSomeList(List<String> someList) {         this.someList = someList;     }       public Root(String numValue,List<String> someListValue) {         this();         this.number = numValue;         this.someList = someListValue;       }      /**      *       */     public Root() {         // TODO Auto-generated constructor stub     } 

}

To run the above code using JAXB, use the following:

   import java.util.ArrayList; import java.util.List;  import javax.xml.bind.*;  public class Demo {          public static void main(String[] args) throws Exception {             List<String> arg = new ArrayList<String>();             arg.add("FOO");             arg.add("BAR");             Root root = new Root("123", arg);              JAXBContext jc = JAXBContext.newInstance(Root.class);             Marshaller marshaller = jc.createMarshaller();             marshaller.marshal(root, System.out);         } } 

This will produce the following XML as the output:

    <?xml version="1.0" encoding="UTF-8" standalone="yes"?>     <myList number="123">         <myElement>FOO</myElement>         <myElement>BAR</myElement>     </myList> 

I think this is more helpful you.

Thanks..