com.setronica.ucs.server.MsgPackUCSCoreService.java Source code

Introduction

Here is the source code for com.setronica.ucs.server.MsgPackUCSCoreService.java

Source

/*
 * Copyright (C) 2014 SETRONICA - setronica.com
 * This source code is available under the terms of the GNU Lesser General Public License
 * as published by The Open Source Initiative (OSI), either version 3 of the License,
 * or (at your option) any later version.
 *
 * UCS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * See the GNU Lesser General Public License for more details.
 * You should have received a copy of the GNU Lesser General Public License.
 */

package com.setronica.ucs.server;

import com.setronica.ucs.client.ServiceOperation;
import com.setronica.ucs.client.ServiceOperationResult;
import com.setronica.ucs.locale.ErrorCode;
import com.setronica.ucs.locale.LocalizableException;
import com.setronica.ucs.locale.Message;
import com.setronica.ucs.protocol.Operation;
import com.setronica.ucs.protocol.OperationResult;
import com.setronica.ucs.service.RemoteService;
import de.ruedigermoeller.serialization.FSTConfiguration;
import de.ruedigermoeller.serialization.FSTObjectInput;
import de.ruedigermoeller.serialization.FSTObjectOutput;
import org.springframework.context.ApplicationContext;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.Serializable;

public class MsgPackUCSCoreService /*implements UCSCoreService*/ {

    private ApplicationContext applicationContext;
    private FSTConfiguration fstConfiguration;

    public MsgPackUCSCoreService(ApplicationContext applicationContext) {
        this.applicationContext = applicationContext;
        fstConfiguration = FSTConfiguration.createDefaultConfiguration();
    }

    public ServiceOperationResult execute(ServiceOperation serviceOperation) throws LocalizableException {
        RemoteService remoteService = (RemoteService) applicationContext.getBean(serviceOperation.serviceName);
        try {
            Operation operation = deserialize(serviceOperation.operation);
            OperationResult operationResult = remoteService.execute(operation);
            ServiceOperationResult serviceOperationResult = new ServiceOperationResult();
            serviceOperationResult.result = serialize(operationResult);
            return serviceOperationResult;
        } catch (ClassNotFoundException e) {
            throw new LocalizableException(ErrorCode.Service_UnknownOperation,
                    new Message("unexpected.operation.0", e.getMessage()));
        } catch (Exception e) {
            throw new LocalizableException(e, ErrorCode.InternalError,
                    new Message("operation.execution.exception"));
        }
    }

    private byte[] serialize(Serializable obj) throws IOException {
        ByteArrayOutputStream out = new ByteArrayOutputStream();

        //        ObjectOutputStream objectOutputStream = new ObjectOutputStream(out);
        FSTObjectOutput objectOutputStream = new FSTObjectOutput(out, fstConfiguration);
        objectOutputStream.writeObject(obj);
        objectOutputStream.close();
        return out.toByteArray();
    }

    private Operation deserialize(byte[] operation) throws ClassNotFoundException, IOException {

        //        ObjectInputStream objectInputStream = new ObjectInputStream(new ByteArrayInputStream(operation));
        FSTObjectInput objectInputStream = new FSTObjectInput(new ByteArrayInputStream(operation),
                fstConfiguration);
        return (Operation) objectInputStream.readObject();
    }
}