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/*******************************************************************************
* Copyright 2017 See AUTHORS file.
*
* 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.cyphercove.gdx.gdxtokryo.gdxserializers.utils;
import com.badlogic.gdx.utils.IntMap;
import com.esotericsoftware.kryo.Kryo;
import com.esotericsoftware.kryo.Serializer;
import com.esotericsoftware.kryo.io.Input;
import com.esotericsoftware.kryo.io.Output;
import java.util.Iterator;
public class IntMapSerializer extends Serializer<IntMap> {
private Class valueGenericType;
public void setGenerics (Kryo kryo, Class[] generics) {
valueGenericType = null;
if (generics != null && generics.length > 0) {
if (generics[0] != null && kryo.isFinal(generics[0])) valueGenericType = generics[0];
}
}
public void write (Kryo kryo, Output output, IntMap map) {
int length = map.size;
output.writeVarInt(length, true);
output.writeBoolean(false); // whether type is written (in case future version of IntMap supports type awareness)
Serializer valueSerializer = null;
if (valueGenericType != null) {
if (valueSerializer == null) valueSerializer = kryo.getSerializer(valueGenericType);
valueGenericType = null;
}
for (Iterator iter = map.iterator(); iter.hasNext();) {
IntMap.Entry entry = (IntMap.Entry)iter.next();
output.writeInt(entry.key);
if (valueSerializer != null) {
kryo.writeObjectOrNull(output, entry.value, valueSerializer);
} else
kryo.writeClassAndObject(output, entry.value);
}
}
public IntMap read (Kryo kryo, Input input, Class<IntMap> type) {
int length = input.readVarInt(true);
input.readBoolean(); // currently unused
IntMap map = new IntMap(length);
Class valueClass = null;
Serializer valueSerializer = null;
if (valueGenericType != null) {
valueClass = valueGenericType;
if (valueSerializer == null) valueSerializer = kryo.getSerializer(valueClass);
valueGenericType = null;
}
kryo.reference(map);
for (int i = 0; i < length; i++) {
int key = input.readInt();
Object value;
if (valueSerializer != null) {
value = kryo.readObjectOrNull(input, valueClass, valueSerializer);
} else
value = kryo.readClassAndObject(input);
map.put(key, value);
}
return map;
}
public IntMap copy (Kryo kryo, IntMap original) {
IntMap copy = new IntMap(original.size);
kryo.reference(copy);
copy.putAll(original);
return copy;
}
}
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