/*******************************************************************************
 * 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
 *******************************************************************************/
package org.eclipse.jst.j2ee.internal.web.providers;

import java.util.ArrayList;
import java.util.Collection;

import org.eclipse.emf.common.notify.Adapter;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.Notifier;
import org.eclipse.emf.edit.provider.ChangeNotifier;
import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
import org.eclipse.emf.edit.provider.IChangeNotifier;
import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
import org.eclipse.emf.edit.provider.IItemLabelProvider;
import org.eclipse.emf.edit.provider.IItemPropertySource;
import org.eclipse.emf.edit.provider.INotifyChangedListener;
import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
import org.eclipse.jst.j2ee.jsp.internal.util.JspAdapterFactory;


/**
 * This is the factory that is used to provide the interfaces needed to support Viewers. The
 * adapters generated by this factory convert EMF adapter notifications into calls to
 * {@link #fireNotifyChanged fireNotifyChanged}. The adapters also support Eclipse property sheets.
 * Note that most of the adapters are shared among multiple instances. <!-- begin-user-doc --> <!--
 * end-user-doc -->
 * 
 * @generated
 */
public class JspItemProviderAdapterFactory extends JspAdapterFactory implements ComposeableAdapterFactory, IChangeNotifier {
	/**
	 * This keeps track of the root adapter factory that delegates to this adapter factory. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected ComposedAdapterFactory parentAdapterFactory;

	/**
	 * This is used to implement {@link org.eclipse.emf.edit.provider.IChangeNotifier}. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected IChangeNotifier changeNotifier = new ChangeNotifier();

	/**
	 * This keeps track of all the supported types checked by
	 * {@link #isFactoryForType isFactoryForType}. <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected Collection supportedTypes = new ArrayList();

	/**
	 * This constructs an instance. <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public JspItemProviderAdapterFactory() {
		supportedTypes.add(IStructuredItemContentProvider.class);
		supportedTypes.add(ITreeItemContentProvider.class);
		supportedTypes.add(IItemPropertySource.class);
		supportedTypes.add(IEditingDomainItemProvider.class);
		supportedTypes.add(IItemLabelProvider.class);
	}

	/**
	 * This keeps track of the one adapter used for all {@link com.ibm.etools.jsp.JSPConfig}
	 * instances. <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected JSPConfigItemProvider jspConfigItemProvider;

	/**
	 * This creates an adapter for a {@link com.ibm.etools.jsp.JSPConfig}. <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public Adapter createJSPConfigAdapter() {
		if (jspConfigItemProvider == null) {
			jspConfigItemProvider = new JSPConfigItemProvider(this);
		}

		return jspConfigItemProvider;
	}

	/**
	 * This keeps track of the one adapter used for all {@link com.ibm.etools.jsp.JSPPropertyGroup}
	 * instances. <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected JSPPropertyGroupItemProvider jspPropertyGroupItemProvider;

	/**
	 * This creates an adapter for a {@link com.ibm.etools.jsp.JSPPropertyGroup}. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public Adapter createJSPPropertyGroupAdapter() {
		if (jspPropertyGroupItemProvider == null) {
			jspPropertyGroupItemProvider = new JSPPropertyGroupItemProvider(this);
		}

		return jspPropertyGroupItemProvider;
	}

	/**
	 * This keeps track of the one adapter used for all {@link com.ibm.etools.jsp.TagLibRefType}
	 * instances. <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected TagLibRefTypeItemProvider tagLibRefTypeItemProvider;

	/**
	 * This creates an adapter for a {@link com.ibm.etools.jsp.TagLibRefType}. <!-- begin-user-doc
	 * --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public Adapter createTagLibRefTypeAdapter() {
		if (tagLibRefTypeItemProvider == null) {
			tagLibRefTypeItemProvider = new TagLibRefTypeItemProvider(this);
		}

		return tagLibRefTypeItemProvider;
	}

	/**
	 * This returns the root adapter factory that contains this factory. <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public ComposeableAdapterFactory getRootAdapterFactory() {
		return parentAdapterFactory == null ? this : parentAdapterFactory.getRootAdapterFactory();
	}

	/**
	 * This sets the composed adapter factory that contains this factory. <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public void setParentAdapterFactory(ComposedAdapterFactory parentAdapterFactory) {
		this.parentAdapterFactory = parentAdapterFactory;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public boolean isFactoryForType(Object type) {
		return supportedTypes.contains(type) || super.isFactoryForType(type);
	}

	/**
	 * This implementation substitutes the factory itself as the key for the adapter. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public Adapter adapt(Notifier notifier, Object type) {
		return super.adapt(notifier, this);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public Object adapt(Object object, Object type) {
		if (isFactoryForType(type)) {
			Object adapter = super.adapt(object, type);
			if (!(type instanceof Class) || (((Class) type).isInstance(adapter))) {
				return adapter;
			}
		}

		return null;
	}

	/**
	 * This adds a listener. <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public void addListener(INotifyChangedListener notifyChangedListener) {
		changeNotifier.addListener(notifyChangedListener);
	}

	/**
	 * This removes a listener. <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public void removeListener(INotifyChangedListener notifyChangedListener) {
		changeNotifier.removeListener(notifyChangedListener);
	}

	/**
	 * This delegates to {@link #changeNotifier}and to {@link #parentAdapterFactory}. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public void fireNotifyChanged(Notification notification) {
		changeNotifier.fireNotifyChanged(notification);

		if (parentAdapterFactory != null) {
			parentAdapterFactory.fireNotifyChanged(notification);
		}
	}

}