MapProperty.java

/**
 * == @Spearal ==>
 * 
 * Copyright (C) 2014 Franck WOLFF & William DRAI (http://www.spearal.io)
 *
 * 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 org.spearal.impl.property;

import java.io.IOException;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Map;

import org.spearal.impl.ExtendedSpearalDecoder;
import org.spearal.impl.ExtendedSpearalEncoder;
import org.spearal.impl.SpearalType;

/**
 * @author Franck WOLFF
 */
public class MapProperty extends AnyProperty {

	public MapProperty(String name, Field field, Method getter, Method setter) {
		super(name, field, getter, setter);
	}

	@Override
	public void write(ExtendedSpearalEncoder encoder, Object holder)
		throws IOException, IllegalAccessException, InvocationTargetException {
		
		Map<?, ?> value = (Map<?, ?>)(field != null ? field.get(holder) : getter.invoke(holder));
		if (value == null)
			encoder.writeNull();
		else
			encoder.writeMap(value);
	}

	@Override
	public void read(ExtendedSpearalDecoder decoder, Object holder, int parameterizedType)
		throws IOException, InstantiationException, IllegalAccessException, InvocationTargetException {
		
		if (SpearalType.valueOf(parameterizedType) == SpearalType.MAP)
			decoder.readMap(parameterizedType, holder, this);
		else
			super.read(decoder, holder, parameterizedType);
	}
}