/*
* Copyright (c) 2014 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
*
* 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 io.werval.util;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.UncheckedIOException;
import java.nio.charset.Charset;
import static io.werval.util.Charsets.UTF_8;
/**
* Serializables utilities.
*/
public final class Serializables
{
/**
* Serialize an Object to String.
*
* @param object Object to serialize
*
* @return Serialized Object as String, {@literal UTF-8} encoded
*/
public static String toString( Object object )
{
return toString( object, UTF_8 );
}
/**
* Serialize an Object to String.
*
* @param object Object to serialize
* @param charset Charset
*
* @return Serialized Object as String
*/
public static String toString( Object object, Charset charset )
{
return new String( toBytes( object ), charset );
}
/**
* Serialize an Object to bytes.
*
* @param object Object to serialize
*
* @return Serialized Object bytes
*/
public static byte[] toBytes( Object object )
{
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try( ObjectOutputStream oos = new ObjectOutputStream( baos ) )
{
oos.writeObject( object );
}
catch( IOException ex )
{
throw new UncheckedIOException( ex );
}
return baos.toByteArray();
}
/**
* Deserialize an Object from a String.
*
* @param <T> Parameterized type of the deserialized Object
* @param serialized Serialized state as String, {@literal UTF-8} encoded
*
* @return Deserialized Object
*/
public static <T> T fromString( String serialized )
{
return fromString( serialized, UTF_8 );
}
/**
* Deserialize an Object from a String.
*
* @param <T> Parameterized type of the deserialized Object
* @param serialized Serialized state as String
* @param charset Charset
*
* @return Deserialized Object
*/
public static <T> T fromString( String serialized, Charset charset )
{
return fromBytes( serialized.getBytes( charset ) );
}
/**
* Deserialize an Object from bytes.
*
* @param <T> Parameterized type of the deserialized Object
* @param serialized Serialized state bytes
*
* @return Deserialized Object
*/
public static <T> T fromBytes( byte[] serialized )
{
ByteArrayInputStream bais = new ByteArrayInputStream( serialized );
try( ObjectInputStream ois = new ObjectInputStream( bais ) )
{
return (T) ois.readObject();
}
catch( IOException ex )
{
throw new UncheckedIOException( ex );
}
catch( ClassNotFoundException ex )
{
throw new RuntimeException( ex.getMessage(), ex );
}
}
private Serializables()
{
}
}