de.kbs.acavis.service.SerializationHelper.java Source code

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Here is the source code for de.kbs.acavis.service.SerializationHelper.java

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/*****************************************
 * This file is part of AcaVis, a tool for research of scientific
 * literature using the benefits of visualizations.
 * Copyright (C) 2014 - Sebastian Holzki
 * 
 * AcaVis is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License Version 2
 * as published by the Free Software Foundation;
 *****************************************/
package de.kbs.acavis.service;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

import org.apache.commons.codec.binary.Base64;

import de.kbs.acavis.integration.model.AuthorIdentifier;
import de.kbs.acavis.integration.model.PublicationIdentifier;

public class SerializationHelper {
    public static String serializePublicationIdentifier(PublicationIdentifier identifier) throws IOException {
        ByteArrayOutputStream bo = new ByteArrayOutputStream();
        ObjectOutputStream so = new ObjectOutputStream(bo);

        so.writeObject(identifier);
        so.flush();

        String serialization = bo.toString();

        so.close();
        bo.close();

        return serialization;
    }

    public static PublicationIdentifier deserializePublicationIdentifier(String serialization)
            throws IOException, ClassNotFoundException {
        byte b[] = serialization.getBytes();

        ByteArrayInputStream bi = new ByteArrayInputStream(b);
        ObjectInputStream si = new ObjectInputStream(bi);

        PublicationIdentifier identifier = (PublicationIdentifier) si.readObject();

        si.close();
        bi.close();

        return identifier;
    }

    public static String serializePublicationIdentifierBase64(PublicationIdentifier identifier) throws IOException {
        return Base64.encodeBase64URLSafeString(serializePublicationIdentifier(identifier).getBytes("UTF-8"));
    }

    public static PublicationIdentifier deserializePublicationIdentifierBase64(String serialization)
            throws ClassNotFoundException, IOException {
        return deserializePublicationIdentifier(
                new String(Base64.decodeBase64(serialization.getBytes("UTF-8")), "UTF-8"));
    }

    public static String serializeAuthorIdentifier(AuthorIdentifier identifier) throws IOException {
        ByteArrayOutputStream bo = new ByteArrayOutputStream();
        ObjectOutputStream so = new ObjectOutputStream(bo);

        so.writeObject(identifier);
        so.flush();

        String serialization = bo.toString();

        so.close();
        bo.close();

        return serialization;
    }

    public static AuthorIdentifier deserializeAuthorIdentifier(String serialization)
            throws IOException, ClassNotFoundException {
        byte b[] = serialization.getBytes();

        ByteArrayInputStream bi = new ByteArrayInputStream(b);
        ObjectInputStream si = new ObjectInputStream(bi);

        AuthorIdentifier identifier = (AuthorIdentifier) si.readObject();

        si.close();
        bi.close();

        return identifier;
    }

    public static String serializeAuthorIdentifierBase64(AuthorIdentifier identifier) throws IOException {
        return Base64.encodeBase64URLSafeString(serializeAuthorIdentifier(identifier).getBytes("UTF-8"));
    }

    public static AuthorIdentifier deserializeAuthorIdentifierBase64(String serialization)
            throws ClassNotFoundException, IOException {
        return deserializeAuthorIdentifier(
                new String(Base64.decodeBase64(serialization.getBytes("UTF-8")), "UTF-8"));
    }
}