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Data Mapper package is a high-performance data binding package built on Jackson JSON processor

There is a newer version: 1.9.13

package org.codehaus.jackson.map.introspect;

import java.lang.annotation.Annotation;
import java.lang.reflect.AnnotatedElement;
import java.lang.reflect.Type;

/**
 * Object that represents method parameters, mostly so that associated
 * annotations can be processed conveniently.
 */
public final class AnnotatedParameter
    extends Annotated
{
    final Type _type;

    final AnnotationMap _annotations;

    /*
    /**********************************************************
    /* Life-cycle
    /**********************************************************
     */

    public AnnotatedParameter(Type type,  AnnotationMap ann)
    {
        _type = type;
        _annotations = ann;
    }

    public void addOrOverride(Annotation a)
    {
        _annotations.add(a);
    }

    /*
    /**********************************************************
    /* Annotated impl
    /**********************************************************
     */

    /// Unfortunately, there is no matching JDK type...
    @Override
    public AnnotatedElement getAnnotated() { return null; }

    /// Unfortunately, there is no matching JDK type...
    @Override
    public int getModifiers() { return 0; }

    @Override
    public String getName() { return ""; }

    @Override
    public  A getAnnotation(Class acls)
    {
        return _annotations.get(acls);
    }

    @Override
    public Type getGenericType() {
        /* Hmmh. Could figure out real type (require it to be passed).
         * But for now, let's assume we don't really need this method.
         */
        return getRawType();
    }

    @Override
    public Class getRawType() {
        // should never be called
        throw new IllegalStateException();
    }
    
    /*
    /**********************************************************
    /* Extended API
    /**********************************************************
     */

    public Type getParameterType() { return _type; }
}