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Rapidoid Commons
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/*-
 * #%L
 * rapidoid-commons
 * %%
 * Copyright (C) 2014 - 2017 Nikolche Mihajlovski and contributors
 * %%
 * 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.
 * #L%
 */

package org.rapidoid.beany;

import org.rapidoid.RapidoidThing;
import org.rapidoid.annotation.Authors;
import org.rapidoid.annotation.Since;
import org.rapidoid.cls.Cls;
import org.rapidoid.cls.TypeKind;
import org.rapidoid.u.U;

import java.lang.annotation.Annotation;
import java.lang.reflect.ParameterizedType;
import java.util.Map;


@Authors("Nikolche Mihajlovski")
@Since("2.0.0")
public class MapProp extends RapidoidThing implements Prop {

	private final String name;

	private final Object key;

	private final Class type;

	private final TypeKind typeKind;

	public MapProp(String name, Object key, Class type) {
		this.name = name;
		this.key = key;
		this.type = type;
		this.typeKind = Cls.kindOf(type);
	}

	@Override
	public  T get(Object target) {
		return getRaw(target);
	}

	@SuppressWarnings("unchecked")
	@Override
	public  T getRaw(Object target) {
		return (T) map(target).get(key);
	}

	@Override
	public void setRaw(Object target, Object value) {
		map(target).put(key, value);
	}

	@Override
	public void set(Object target, Object value) {
		map(target).put(key, value);
	}

	@Override
	public void reset(Object target) {
		map(target).remove(key);
	}

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

	@Override
	public boolean isReadOnly() {
		return false;
	}

	@Override
	public Class getType() {
		return type;
	}

	@Override
	public TypeKind getTypeKind() {
		return typeKind;
	}

	@Override
	public ParameterizedType getGenericType() {
		return null;
	}

	@Override
	public  T getAnnotation(Class annotationClass) {
		return null;
	}

	@Override
	public Annotation[] getAnnotations() {
		return null;
	}

	@Override
	public int getTypeArgsCount() {
		return 0;
	}

	@Override
	public Class getTypeArg(int index) {
		throw U.rte("No type args available!");
	}

	@SuppressWarnings("unchecked")
	private static Map map(Object target) {
		return (Map) target;
	}

	@Override
	public Class getRawType() {
		return getType();
	}

	@Override
	public TypeKind getRawTypeKind() {
		return getTypeKind();
	}

	@Override
	public ParameterizedType getRawGenericType() {
		return null;
	}

	@Override
	public int getRawTypeArgsCount() {
		return 0;
	}

	@Override
	public Class getRawTypeArg(int index) {
		throw U.rte("No type args available!");
	}

	@Override
	public Class getDeclaringType() {
		return null;
	}

	@Override
	public Object getFast(Object target) {
		return getRaw(target);
	}

}