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/*******************************************************************************
* 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.impl;
import org.eclipse.jst.j2ee.commonarchivecore.internal.Archive;
import org.eclipse.jst.j2ee.commonarchivecore.internal.helpers.ArchiveTypeDiscriminator;
import org.eclipse.jst.j2ee.commonarchivecore.internal.helpers.ArchiveTypeDiscriminatorImpl;
import org.eclipse.jst.j2ee.commonarchivecore.internal.strategy.ImportStrategy;
/**
* Insert the type's description here. Creation date: (12/04/00 5:24:44 PM)
*
* @author: Administrator
*/
public class RootArchiveTypeDescriminatorImpl extends org.eclipse.jst.j2ee.commonarchivecore.internal.helpers.ArchiveTypeDiscriminatorImpl implements org.eclipse.jst.j2ee.commonarchivecore.internal.helpers.ArchiveTypeDiscriminator {
protected static ArchiveTypeDiscriminatorImpl singleton;
/**
* CommonArchiveFactoryDescriminator constructor comment.
*/
public RootArchiveTypeDescriminatorImpl() {
super();
}
/**
* @see com.ibm.etools.archive.ArchiveTypeDiscriminator
*/
public boolean canImport(Archive anArchive) {
return true;
}
/**
* @see com.ibm.etools.archive.ArchiveTypeDiscriminator
*/
public Archive convert(Archive anArchive) {
return anArchive;
}
/**
* @see com.ibm.etools.archive.ArchiveTypeDiscriminator This never gets called for this
* implementer.
*/
public Archive createConvertedArchive() {
return null;
}
/**
* @see com.ibm.etools.archive.ArchiveTypeDiscriminator This never gets called for this
* implementer.
*/
public org.eclipse.jst.j2ee.commonarchivecore.internal.strategy.ImportStrategy createImportStrategy() {
return null;
}
/**
* @see com.ibm.etools.archive.ArchiveTypeDiscriminator This never gets called for this
* implementer.
*/
public ImportStrategy createImportStrategy(Archive old, Archive newArchive) {
return null;
}
/**
* @return null This method should not get called at this level
*
* @see ArchiveTypeDescriminator#getUnableToOpenMessage()
*/
public java.lang.String getUnableToOpenMessage() {
return "";//$NON-NLS-1$
}
public static ArchiveTypeDiscriminator singleton() {
if (singleton == null) {
singleton = new RootArchiveTypeDescriminatorImpl();
}
return singleton;
}
}
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