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/*******************************************************************************
* Copyright (c) 2003, 2005 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.internal.provider;
import java.util.Collection;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.edit.provider.ItemProvider;
import org.eclipse.jem.util.emf.workbench.ProjectUtilities;
public class J2EEItemProvider extends ItemProvider implements IAdaptable {
protected static final Class IRESOURCE_CLASS = IResource.class;
protected static final Class IPROJECT_CLASS = IProject.class;
/**
* Constructor for J2EEItemProvider.
*/
public J2EEItemProvider() {
super();
}
/**
* Constructor for J2EEItemProvider.
*
* @param children
*/
public J2EEItemProvider(Collection children) {
super(children);
}
/**
* Constructor for J2EEItemProvider.
*
* @param text
*/
public J2EEItemProvider(String text) {
super(text);
}
/**
* Constructor for J2EEItemProvider.
*
* @param text
* @param children
*/
public J2EEItemProvider(String text, Collection children) {
super(text, children);
}
/**
* Constructor for J2EEItemProvider.
*
* @param text
* @param image
*/
public J2EEItemProvider(String text, Object image) {
super(text, image);
}
/**
* Constructor for J2EEItemProvider.
*
* @param text
* @param image
* @param children
*/
public J2EEItemProvider(String text, Object image, Collection children) {
super(text, image, children);
}
/**
* Constructor for J2EEItemProvider.
*
* @param text
* @param image
* @param parent
*/
public J2EEItemProvider(String text, Object image, Object parent) {
super(text, image, parent);
}
/**
* Constructor for J2EEItemProvider.
*
* @param text
* @param image
* @param parent
* @param children
*/
public J2EEItemProvider(String text, Object image, Object parent, Collection children) {
super(text, image, parent, children);
}
/**
* Constructor for J2EEItemProvider.
*
* @param adapterFactory
*/
public J2EEItemProvider(AdapterFactory adapterFactory) {
super(adapterFactory);
}
/**
* Constructor for J2EEItemProvider.
*
* @param adapterFactory
* @param text
*/
public J2EEItemProvider(AdapterFactory adapterFactory, String text) {
super(adapterFactory, text);
}
/**
* Constructor for J2EEItemProvider.
*
* @param adapterFactory
* @param text
* @param image
*/
public J2EEItemProvider(AdapterFactory adapterFactory, String text, Object image) {
super(adapterFactory, text, image);
}
/**
* Constructor for J2EEItemProvider.
*
* @param adapterFactory
* @param text
* @param image
* @param parent
*/
public J2EEItemProvider(AdapterFactory adapterFactory, String text, Object image, Object parent) {
super(adapterFactory, text, image, parent);
}
/**
* Constructor for J2EEItemProvider.
*
* @param adapterFactory
* @param children
*/
public J2EEItemProvider(AdapterFactory adapterFactory, Collection children) {
super(adapterFactory, children);
}
/**
* Constructor for J2EEItemProvider.
*
* @param adapterFactory
* @param text
* @param children
*/
public J2EEItemProvider(AdapterFactory adapterFactory, String text, Collection children) {
super(adapterFactory, text, children);
}
/**
* Constructor for J2EEItemProvider.
*
* @param adapterFactory
* @param text
* @param image
* @param children
*/
public J2EEItemProvider(AdapterFactory adapterFactory, String text, Object image, Collection children) {
super(adapterFactory, text, image, children);
}
/**
* Constructor for J2EEItemProvider.
*
* @param adapterFactory
* @param text
* @param image
* @param parent
* @param children
*/
public J2EEItemProvider(AdapterFactory adapterFactory, String text, Object image, Object parent, Collection children) {
super(adapterFactory, text, image, parent, children);
}
protected boolean notificationOn = true;
protected void disableNotification() {
notificationOn = false;
}
protected void enableNotification() {
notificationOn = true;
}
public void fireNotifyChanged(Notification notification) {
if (notificationOn)
super.fireNotifyChanged(notification);
}
public Collection getChildren(Object object) {
if (children.isEmpty()) {
try {
disableNotification();
initializeChildren();
} finally {
enableNotification();
}
}
return children;
}
protected void initializeChildren() {
}
/*
* (non-Javadoc)
*
* @see org.eclipse.core.runtime.IAdaptable#getAdapter(java.lang.Class)
*/
public Object getAdapter(Class adapter) {
if (adapter == IRESOURCE_CLASS || adapter == IPROJECT_CLASS)
return getProjectFromParent();
return null;
}
/**
* @return
*/
private IProject getProjectFromParent() {
return ProjectUtilities.getProject(getParent());
}
}
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