com.fasterxml.jackson.databind.introspect.TypeResolutionContext Maven / Gradle / Ivy
package com.fasterxml.jackson.databind.introspect;
import java.lang.reflect.Type;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.type.TypeBindings;
import com.fasterxml.jackson.databind.type.TypeFactory;
/**
* Interface that defines API used by members (like {@link AnnotatedMethod})
* to dynamically resolve types they have.
*
* @since 2.7
*/
public interface TypeResolutionContext {
public JavaType resolveType(Type t);
public static class Basic
implements TypeResolutionContext
{
private final TypeFactory _typeFactory;
private final TypeBindings _bindings;
public Basic(TypeFactory tf, TypeBindings b) {
_typeFactory = tf;
_bindings = b;
}
@Override
public JavaType resolveType(Type type) {
// 06-Sep-2020, tatu: Careful wrt [databind#2846][databind#2821],
// call new method added in 2.12
return _typeFactory.resolveMemberType(type, _bindings);
}
/*// debugging
@Override
public String toString() {
return "[TRC.Basic, bindings: "+_bindings+"]";
}
*/
}
/**
* Dummy implementation for case where there are no bindings available
* (for example, for static methods and fields)
*
* @since 2.11.3
*/
public static class Empty
implements TypeResolutionContext
{
private final TypeFactory _typeFactory;
public Empty(TypeFactory tf) {
_typeFactory = tf;
}
@Override
public JavaType resolveType(Type type) {
return _typeFactory.constructType(type);
}
}
}