org.springframework.integration.codec.kryo.FileSerializer Maven / Gradle / Ivy
/*
* Copyright 2015-2019 the original author or authors.
*
* 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
*
* https://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.springframework.integration.codec.kryo;
import java.io.File;
import com.esotericsoftware.kryo.Kryo;
import com.esotericsoftware.kryo.Serializer;
import com.esotericsoftware.kryo.io.Input;
import com.esotericsoftware.kryo.io.Output;
/**
* A custom Kryo {@link Serializer} for serializing File payloads.
* It serializes the file path and creates a new File instance to preserve the original path.
* File does not preserve the absolute otherwise as prefixLength
* is declared transient.
*
* @author David Turanski
* @since 4.2
*/
public class FileSerializer extends Serializer {
@Override
public void write(Kryo kryo, Output output, File file) {
output.writeString(file.getPath());
}
@Override
public File read(Kryo kryo, Input input, Class type) {
String path = input.readString();
return new File(path);
}
}