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/*****************************************************************************
* Java Plug-in Framework (JPF)
* Copyright (C) 2004-2005 Dmitry Olshansky
*
* 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*****************************************************************************/
package org.java.plugin.boot;
import org.java.plugin.util.ExtendedProperties;
/**
* Interface to plug custom code into JPF based application boot procedure. The
* implementation should contain logic on configuring and initializing (but not
* starting) application.
*
* @version $Id$
*/
public interface ApplicationInitializer {
/**
* Configures this initializer instance, this method will be called once
* before any other method call in this class. There is no pre-defined
* configuration parameters, see concrete implementations for supported
* parameters.
* @param config application configuration data from
* <code>boot.properties</code> file and <code>System</code>
* properties as defaults
* @throws Exception if any error has occurred during initializer
* configuring
*/
void configure(ExtendedProperties config) throws Exception;
/**
* This method should configure and initialize an application instance to be
* started.
* @param errorHandler callback interface to report errors to the user,
* it is recommended to use this handler only for
* "non-fatal" errors and ask user via
* {@link BootErrorHandler#handleError(String, Exception)}
* or {@link BootErrorHandler#handleError(String, org.java.plugin.registry.IntegrityCheckReport)}
* if he wants to abort application boot process
* @param args command line arguments as they passed to program
* <code>main</code> method
* @return initialized application instance or <code>null</code> if
* initializing failed
* @throws Exception if any error has occurred during application
* initializing
*/
Application initApplication(BootErrorHandler errorHandler, String[] args)
throws Exception;
}
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