,我試圖建立在Java中使用RestEasy的類似的例子類設計一個REST Web服務,我如下圖所示:REST Web服務使用接口
@Path("/rest")
public class TestRestService {
@GET
@Path("/test")
@Produces("application/xml")
public Response sayTestXml() {
return getImplementation();
}
public Response getImplementation() {
IInterface refToImpl = TestService.getImplementation();
return Response.status(Status.OK).entity(refToImpl).build();
}
}
public class TestService {
public static IInterface getImplementation() {
IInterface ref = new Implementation();
return ref;
}
}
public interface IInterface {
public long getLong();
public String getString();
public boolean getBoolean();
public List<IRelatedInterface> getRelations();
}
public interface IRelatedInterface {
public float getFloat();
public char getChar();
public byte getByte();
}
@XmlRootElement(name="interface")
@XmlAccessorType(XmlAccessType.PROPERTY)
public class Implementation implements IInterface {
@XmlElement(name="tlong", required=true)
public long getLong() {
return 42;
}
@XmlElement(name="tstring", required=true)
public String getString() {
return "test";
}
@XmlElement(name="tboolean", required=true)
public boolean getBoolean() {
return false;
}
@XmlElementWrapper(name = "relations")
@XmlElement(name = "relation", required=false)
public List<IRelatedInterface> getRelations() {
List<IRelatedInterface> list = new ArrayList<IRelatedInterface>();
RelatedImplementation impl = new RelatedImplementation();
list.add(impl);
return list;
}
}
@XmlRootElement(name="relatedInterface")
@XmlAccessorType(XmlAccessType.PROPERTY)
public class RelatedImplementation implements IRelatedInterface {
@XmlElement(name="tfloat", required=true)
public float getFloat() {
return 1.23f;
}
@XmlElement(name="tchar", required=true)
public char getChar() {
return 'A';
}
@XmlElement(name="tbyte", required=true)
public byte getByte() {
return 'Z';
}
}
所以,當我嘗試這種設計,則JAXB抱怨如下:
com.sun.xml.bind.v2.runtime.IllegalAnnotationsException: 2個計數IllegalAnnotationExceptions com.intuit.whitespace.IRelatedInterface是一個接口,並且JAXB無法處理接口。 此問題與以下位置有關:com.intuit.whitespace.IRelatedInterface public java.util.List com.intuit.whitespace.Implementation.getRelations()at com.intuit.whitespace.Implementation com.intuit.whitespace。 IRelatedInterface 沒有無參數默認構造函數。這個問題涉及到以下位置:在com.intuit.whitespace.Implementation
在com.intuit.whitespace.IRelatedInterface在公衆的java.util.List com.intuit.whitespace.Implementation.getRelations()我問題是,有沒有辦法解決這個問題?我嘗試了一些東西,但沒有一個能工作。我正在考慮Spring OXM或基於MessageBodyWriter的解決方案,但我想問問是否有其他建議可以幫助我更好?
我要去嘗試http://stackoverflow.com/questions/4931960/jersey-rest-jaxb-error-mapping-an-interface,因爲當我搜索類似的問題時沒有出現。 – sinha 2012-03-02 13:32:59