/*******************************************************************************
* Copyright (c) 2001, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.j2ee.commonarchivecore.internal.helpers;
import org.eclipse.jst.j2ee.commonarchivecore.internal.strategy.ArchiveStrategy;
import org.eclipse.jst.j2ee.commonarchivecore.internal.strategy.SaveStrategy;
/**
* ExportStrategy knows what to do just before a dump of an archive is about to occur, typically
* adding items such as deployment descriptors and such. This provides a delegation model for
* archive/version/platform specific rules about which resources etc need to be exported. Clients
* can implement this interface, and "plug in" to an instance of an archive.
*/
public interface ExportStrategy extends ArchiveStrategy {
/**
* Returns whether this strategy has already saved a file entry having a uri named by the
* parameter
*/
public boolean hasSaved(String uri);
/**
* The archive is saving itself, and giving the export strategy the opportunity to do whatever
* it needs to do. The export strategy may write entries directly to the SaveStrategy, but if it
* does, it should remember the names of these entries so the archive does not attempt to
* duplicate by saving an entry with the same name
*/
public void preSave(SaveStrategy aSaveStrategy) throws org.eclipse.jst.j2ee.commonarchivecore.internal.exception.SaveFailureException;
}