/*******************************************************************************
* Copyright (c) 2005, 2010 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
*******************************************************************************/
/*
* $$RCSfile: EMFNatureRegistry.java,v $$
* $$Revision: 1.2 $$ $$Date: 2005/02/15 23:04:14 $$
*/
package net.enilink.komma.workbench.internal.nature;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtensionRegistry;
import org.eclipse.core.runtime.Platform;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import net.enilink.komma.workbench.internal.nls.WorkbenchResourceHandler;
public class KommaNatureRegistry {
private final static Logger log = LoggerFactory
.getLogger(KommaNatureRegistry.class);
private static final String NATURE_REGISTRATION_POINT = "net.enilink.komma.workbench.nature_registration"; //$NON-NLS-1$
private static final String NATURE = "nature"; //$NON-NLS-1$
private static final String STATIC_ID = "id"; //$NON-NLS-1$
/**
* Constructor
*/
private KommaNatureRegistry() {
readRegistry();
}
private static KommaNatureRegistry singleton;
public final Set<String> REGISTERED_NATURE_IDS = new HashSet<String>();
public static KommaNatureRegistry singleton() {
if (singleton == null)
singleton = new KommaNatureRegistry();
return singleton;
}
protected void readRegistry() {
// register Nature IDs for the J2EENatures
IExtensionRegistry r = Platform.getExtensionRegistry();
IConfigurationElement[] ce = r
.getConfigurationElementsFor(NATURE_REGISTRATION_POINT);
String natureId;
for (int i = 0; i < ce.length; i++) {
if (ce[i].getName().equals(NATURE)) {
natureId = ce[i].getAttribute(STATIC_ID);
if (natureId != null)
registerNatureID(natureId);
}
}
}
/**
* @param natureId
*/
private void registerNatureID(String natureId) {
if (!REGISTERED_NATURE_IDS.contains(natureId))
REGISTERED_NATURE_IDS.add(natureId);
else
log.error(WorkbenchResourceHandler.getString(
"KommaNatureRegistry_ERROR_0", new Object[] { natureId })); //$NON-NLS-1$
}
}