org.parceler.converter.MapParcelConverter Maven / Gradle / Ivy
/**
* Copyright 2011-2015 John Ericksen
*
* 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.parceler.converter;
import android.os.Parcel;
import org.parceler.TypeRangeParcelConverter;
import java.util.Map;
/**
*
* @author u61173
*/
public abstract class MapParcelConverter> implements TypeRangeParcelConverter, M> {
private static final int NULL = -1;
@Override
public void toParcel(Map input, Parcel parcel) {
if (input == null) {
parcel.writeInt(NULL);
} else {
parcel.writeInt(input.size());
for (Map.Entry entry : input.entrySet()) {
mapKeyToParcel(entry.getKey(), parcel);
mapValueToParcel(entry.getValue(), parcel);
}
}
}
@Override
public M fromParcel(Parcel parcel) {
M map;
int size = parcel.readInt();
if (size == NULL) {
map = null;
} else {
map = createMap();
for (int i = 0; (i < size); i++) {
K key = mapKeyFromParcel(parcel);
V value = mapValueFromParcel(parcel);
map.put(key, value);
}
}
return map;
}
public abstract M createMap();
public abstract void mapKeyToParcel(K key, Parcel parcel);
public abstract void mapValueToParcel(V value, Parcel parcel);
public abstract K mapKeyFromParcel(Parcel parcel);
public abstract V mapValueFromParcel(Parcel parcel);
}