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/*******************************************************************************
* Copyright (c) 2003, 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
*******************************************************************************/
/*
* Created on Jun 21, 2004
* @author jsholl
*/
package org.eclipse.jst.j2ee.application.internal.operations;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.jem.util.RegistryReader;
import org.eclipse.jem.util.logger.proxy.Logger;
import org.eclipse.jst.j2ee.internal.plugin.J2EEPlugin;
/**
* @author jsholl
*/
public class ExtendedImportRegistry extends RegistryReader {
private static final String PLUGIN_ID = J2EEPlugin.PLUGIN_ID;
private static final String EXTENSION_ID = "ExtendedModuleImport"; //$NON-NLS-1$
private static final String FACTORY_CLASS = "factoryClass"; //$NON-NLS-1$
private static final String MODULE_TYPE = "moduleType"; //$NON-NLS-1$
public static final String EJB_TYPE = "EJB"; //$NON-NLS-1$
private List ejbConfigurationElements = null;
private List ejbFactories = null;
private static ExtendedImportRegistry instance = null;
public static ExtendedImportRegistry getInstance() {
//if (null == instance) {
instance = new ExtendedImportRegistry();
//}
return instance;
}
private ExtendedImportRegistry() {
super(PLUGIN_ID, EXTENSION_ID);
readRegistry();
}
/**
* returns a List of ExtendedFactories;
*
* @param type
* @return
*/
public List getFactories(String type) {
if (type.equals(EJB_TYPE)) {
if (ejbFactories == null) {
ejbFactories = new ArrayList();
for (int i = 0; null != ejbConfigurationElements && i < ejbConfigurationElements.size(); i++) {
try {
ejbFactories.add(((IConfigurationElement) ejbConfigurationElements.get(i)).createExecutableExtension(FACTORY_CLASS));
} catch (CoreException e) {
Logger.getLogger().logError(e);
}
}
}
return ejbFactories;
}
return null;
}
public boolean readElement(IConfigurationElement element) {
String moduleType = element.getAttribute(MODULE_TYPE);
if (null != moduleType) {
if (moduleType.equals(EJB_TYPE)) {
if (ejbConfigurationElements == null) {
ejbConfigurationElements = new ArrayList();
}
ejbConfigurationElements.add(element);
return true;
}
}
return false;
}
}
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