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JFinal is a simple, light, rapid,independent, extensible Java WEB + ORM framework. The feature of JFinal looks like ruby on rails especially ActiveRecord.

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/**
 * Copyright (c) 2011-2019, James Zhan 詹波 ([email protected]).
 *
 * 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.jfinal.plugin.redis.serializer;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import org.nustaq.serialization.FSTObjectInput;
import org.nustaq.serialization.FSTObjectOutput;
import com.jfinal.kit.LogKit;
import redis.clients.util.SafeEncoder;

/**
 * FstSerializer.
 */
public class FstSerializer implements ISerializer {
	
	public static final ISerializer me = new FstSerializer();
	
	public byte[] keyToBytes(String key) {
		return SafeEncoder.encode(key);
	}
	
	public String keyFromBytes(byte[] bytes) {
		return SafeEncoder.encode(bytes);
	}
	
	public byte[] fieldToBytes(Object field) {
		return valueToBytes(field);
	}
	
    public Object fieldFromBytes(byte[] bytes) {
    	return valueFromBytes(bytes);
    }
	
	public byte[] valueToBytes(Object value) {
		FSTObjectOutput fstOut = null;
		try {
			ByteArrayOutputStream bytesOut = new ByteArrayOutputStream();
			fstOut = new FSTObjectOutput(bytesOut);
			fstOut.writeObject(value);
			fstOut.flush();
			return bytesOut.toByteArray();
		}
		catch (Exception e) {
			throw new RuntimeException(e);
		}
		finally {
			if(fstOut != null)
				try {fstOut.close();} catch (IOException e) {LogKit.error(e.getMessage(), e);}
		}
	}
	
	public Object valueFromBytes(byte[] bytes) {
		if(bytes == null || bytes.length == 0)
			return null;
		
		FSTObjectInput fstInput = null;
		try {
			fstInput = new FSTObjectInput(new ByteArrayInputStream(bytes));
			return fstInput.readObject();
		}
		catch (Exception e) {
			throw new RuntimeException(e);
		}
		finally {
			if(fstInput != null)
				try {fstInput.close();} catch (IOException e) {LogKit.error(e.getMessage(), e);}
		}
	}
}