com.github.jasonruckman.sidney.core.type.Types.java Source code

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Here is the source code for com.github.jasonruckman.sidney.core.type.Types.java

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/**
 * Copyright 2014 Jason Ruckman
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.github.jasonruckman.sidney.core.type;

import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.type.TypeBindings;
import com.fasterxml.jackson.databind.type.TypeFactory;
import com.github.jasonruckman.sidney.core.type.TypeRef;

import java.lang.reflect.Field;
import java.lang.reflect.Type;

public class Types {
    public static TypeBindings binding(Type clazz) {
        JavaType javaType = TypeFactory.defaultInstance().constructType(clazz);
        return new TypeBindings(TypeFactory.defaultInstance(), javaType);
    }

    public static JavaType type(TypeRef typeRef) {
        JavaType[] params = new JavaType[typeRef.getTypeParameters().size()];
        for (int i = 0; i < params.length; i++) {
            params[i] = type(typeRef.getTypeParameters().get(i));
        }
        return TypeFactory.defaultInstance().constructParametricType(typeRef.getType(), params);
    }

    public static TypeBindings binding(TypeRef typeRef) {
        return new TypeBindings(TypeFactory.defaultInstance(), type(typeRef));
    }

    public static TypeBindings binding(Type clazz, TypeBindings parentBindings) {
        JavaType javaType = TypeFactory.defaultInstance().constructType(clazz, parentBindings);
        return new TypeBindings(TypeFactory.defaultInstance(), javaType);
    }

    public static TypeBindings binding(Class type, Class... generics) {
        JavaType javaType = TypeFactory.defaultInstance().constructParametricType(type, generics);
        return new TypeBindings(TypeFactory.defaultInstance(), javaType);
    }

    public static TypeBindings binding(Class type, JavaType... javaTypes) {
        JavaType javaType = TypeFactory.defaultInstance().constructParametricType(type, javaTypes);

        return new TypeBindings(TypeFactory.defaultInstance(), javaType);
    }

    public static TypeBindings binding(Field field, TypeBindings parentBindings) {
        Type t = field.getGenericType();
        if (t == null) {
            t = field.getType();
        }
        JavaType javaType = TypeFactory.defaultInstance().constructType(t, parentBindings);
        return new TypeBindings(TypeFactory.defaultInstance(), javaType);
    }

    public static JavaType type(Type type) {
        return TypeFactory.defaultInstance().constructType(type);
    }

    public static JavaType type(Type type, TypeBindings typeBindings) {
        return TypeFactory.defaultInstance().constructType(type, typeBindings);
    }

    public static JavaType parameterizedType(Class<?> type, Class[] paramTypes) {
        return TypeFactory.defaultInstance().constructParametricType(type, paramTypes);
    }
}