org.nd4j.linalg.util.SerializationUtils Maven / Gradle / Ivy
/*-
*
* * Copyright 2015 Skymind,Inc.
* *
* * 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.nd4j.linalg.util;
import org.apache.commons.io.FileUtils;
import java.io.*;
/**
* Serialization utils for saving and reading serializable objects
*
* @author Adam Gibson
*/
public class SerializationUtils {
private SerializationUtils() {}
@SuppressWarnings("unchecked")
public static T readObject(File file) {
try {
ObjectInputStream ois = new ObjectInputStream(FileUtils.openInputStream(file));
T ret = (T) ois.readObject();
ois.close();
return ret;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* Reads an object from the given input stream
* @param is the input stream to read from
* @return the read object
*/
@SuppressWarnings("unchecked")
public static T readObject(InputStream is) {
try {
ObjectInputStream ois = new ObjectInputStream(is);
T ret = (T) ois.readObject();
ois.close();
return ret;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* Converts the given object to a byte array
* @param toSave the object to save
*/
public static byte[] toByteArray(Serializable toSave) {
try {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
ObjectOutputStream os = new ObjectOutputStream(bos);
os.writeObject(toSave);
byte[] ret = bos.toByteArray();
os.close();
return ret;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* Writes the object to the output stream
* THIS DOES NOT FLUSH THE STREAM
* @param toSave the object to save
* @param writeTo the output stream to write to
*/
public static void writeObject(Serializable toSave, OutputStream writeTo) {
try {
ObjectOutputStream os = new ObjectOutputStream(writeTo);
os.writeObject(toSave);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public static void saveObject(Object toSave, File saveTo) {
try {
OutputStream os1 = FileUtils.openOutputStream(saveTo);
ObjectOutputStream os = new ObjectOutputStream(os1);
os.writeObject(toSave);
os.flush();
os.close();
os1.close();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}