PropertyInfoImpl.java 文件源码

private XmlJavaTypeAdapter getApplicableAdapter(T type) {
    XmlJavaTypeAdapter jta = seed.readAnnotation(XmlJavaTypeAdapter.class);
    if(jta!=null && isApplicable(jta,type))
        return jta;

    // check the applicable adapters on the package
    XmlJavaTypeAdapters jtas = reader().getPackageAnnotation(XmlJavaTypeAdapters.class, parent.clazz, seed );
    if(jtas!=null) {
        for (XmlJavaTypeAdapter xjta : jtas.value()) {
            if(isApplicable(xjta,type))
                return xjta;
        }
    }
    jta = reader().getPackageAnnotation(XmlJavaTypeAdapter.class, parent.clazz, seed );
    if(isApplicable(jta,type))
        return jta;

    // then on the target class
    C refType = nav().asDecl(type);
    if(refType!=null) {
        jta = reader().getClassAnnotation(XmlJavaTypeAdapter.class, refType, seed );
        if(jta!=null && isApplicable(jta,type)) // the one on the type always apply.
            return jta;
    }

    return null;
}