UpdateDescriptorVersionOperation.java

/*******************************************************************************
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library 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.
 *
 *******************************************************************************/

package com.liferay.ide.project.core.descriptor;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.osgi.framework.Version;

/**
 * @author Kuo Zhang
 */
public abstract class UpdateDescriptorVersionOperation implements IDescriptorOperation
{
    @Override
    public final IStatus execute( Object... params )
    {
        if( params != null && params.length == 2 )
        {
            Version v1 = null;
            Version v2 = null;

            if( params[0] instanceof Version && params[1] instanceof Version )
            {
                v1 = (Version) params[0];
                v2 = (Version) params[1];
            }
            else if( params[0] instanceof String && params[1] instanceof String  )
            {
                v1 = new Version( (String) params[0] );
                v2 = new Version( (String) params[1] );
            }

            return update( v1, v2 );
        }

        return Status.OK_STATUS;
    }

    public abstract IStatus update( Version preVersion, Version postVersion );
}