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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* 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:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.ats.editor.stateItem;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Level;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtension;
import org.eclipse.core.runtime.IExtensionPoint;
import org.eclipse.core.runtime.Platform;
import org.eclipse.osee.ats.internal.Activator;
import org.eclipse.osee.framework.logging.OseeLevel;
import org.eclipse.osee.framework.logging.OseeLog;
import org.osgi.framework.Bundle;
/**
* @author Donald G. Dunne
*/
public class AtsStateItemManager {
private final static List<IAtsStateItem> stateItems = new ArrayList<IAtsStateItem>();
public static List<IAtsStateItem> getStateItems() {
loadAllStateItems();
return stateItems;
}
@SuppressWarnings({"rawtypes"})
private static void loadAllStateItems() {
if (stateItems.size() > 0) {
return;
}
IExtensionPoint point = Platform.getExtensionRegistry().getExtensionPoint("org.eclipse.osee.ats.AtsStateItem");
if (point == null) {
OseeLog.log(Activator.class, OseeLevel.SEVERE_POPUP, "Can't access AtsStateItem extension point");
return;
}
IExtension[] extensions = point.getExtensions();
for (IExtension extension : extensions) {
IConfigurationElement[] elements = extension.getConfigurationElements();
String classname = null;
String bundleName = null;
for (IConfigurationElement el : elements) {
if (el.getName().equals("AtsStateItem")) {
classname = el.getAttribute("classname");
bundleName = el.getContributor().getName();
if (classname != null && bundleName != null) {
Bundle bundle = Platform.getBundle(bundleName);
try {
Class taskClass = bundle.loadClass(classname);
Object obj = taskClass.newInstance();
if (obj == null) {
OseeLog.log(Activator.class, Level.SEVERE,
"Error Instantiating AtsStateItem extension \"" + classname + "\"", null);
} else {
stateItems.add((IAtsStateItem) obj);
}
} catch (Exception ex) {
OseeLog.log(Activator.class, OseeLevel.SEVERE_POPUP, "Error loading AtsStateItem extension", ex);
}
}
}
}
}
}
public static List<IAtsStateItem> getAllStateItems() {
return stateItems;
}
}
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