com.fasterxml.jackson.dataformat.xml.jaxb.XmlJaxbAnnotationIntrospector Maven / Gradle / Ivy
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package com.fasterxml.jackson.dataformat.xml.jaxb;
import java.lang.annotation.Annotation;
import java.lang.reflect.AnnotatedElement;
import java.lang.reflect.Member;
import com.fasterxml.jackson.databind.introspect.*;
import com.fasterxml.jackson.databind.type.TypeFactory;
import com.fasterxml.jackson.dataformat.xml.XmlAnnotationIntrospector;
import com.fasterxml.jackson.module.jaxb.JaxbAnnotationIntrospector;
/**
* Alternative {@link com.fasterxml.jackson.databind.AnnotationIntrospector}
* implementation that
* builds on {@link JaxbAnnotationIntrospector}.
*
* NOTE: since version 2.4, it should NOT be necessary to use this class;
* instead, plain {@link JaxbAnnotationIntrospector} should fully work.
* With previous versions some aspects were not fully working and this
* class was necessary.
*/
public class XmlJaxbAnnotationIntrospector
extends JaxbAnnotationIntrospector
implements XmlAnnotationIntrospector
{
private static final long serialVersionUID = 6477843393758275877L;
@Deprecated
public XmlJaxbAnnotationIntrospector() {
super();
}
public XmlJaxbAnnotationIntrospector(TypeFactory typeFactory) {
super(typeFactory);
}
/*
/**********************************************************************
/* XmlAnnotationIntrospector overrides
/**********************************************************************
*/
// Since 2.4.0, JaxbAnnotationIntrospector has implementation, so delegate
@Override
public String findNamespace(Annotated ann) {
return super.findNamespace(ann);
}
// Since 2.4.0, JaxbAnnotationIntrospector has implementation, so delegate
@Override
public Boolean isOutputAsAttribute(Annotated ann) {
return super.isOutputAsAttribute(ann);
}
// Since 2.4.0, JaxbAnnotationIntrospector has implementation, so delegate
@Override
public Boolean isOutputAsText(Annotated ann) {
return super.isOutputAsText(ann);
}
/*
/**********************************************************************
/* Helper methods
/**********************************************************************
*/
/*
private String handleJaxbDefault(String value)
{
return MARKER_FOR_DEFAULT.equals(value) ? "" : value;
}
*/
@Deprecated // since 2.4; not used by this module
protected A findAnnotation(Class annotationClass, Annotated annotated,
boolean includePackage, boolean includeClass, boolean includeSuperclasses)
{
A annotation = annotated.getAnnotation(annotationClass);
if (annotation != null) {
return annotation;
}
Class memberClass = null;
if (annotated instanceof AnnotatedParameter) {
memberClass = ((AnnotatedParameter) annotated).getDeclaringClass();
} else {
AnnotatedElement annType = annotated.getAnnotated();
if (annType instanceof Member) {
memberClass = ((Member) annType).getDeclaringClass();
if (includeClass) {
annotation = (A) memberClass.getAnnotation(annotationClass);
if (annotation != null) {
return annotation;
}
}
} else if (annType instanceof Class) {
memberClass = (Class) annType;
} else {
throw new IllegalStateException("Unsupported annotated member: " + annotated.getClass().getName());
}
}
if (memberClass != null) {
if (includeSuperclasses) {
Class superclass = memberClass.getSuperclass();
while (superclass != null && superclass != Object.class) {
annotation = (A) superclass.getAnnotation(annotationClass);
if (annotation != null) {
return annotation;
}
superclass = superclass.getSuperclass();
}
}
if (includePackage) {
Package pkg = memberClass.getPackage();
if (pkg != null) {
return memberClass.getPackage().getAnnotation(annotationClass);
}
}
}
return null;
}
}