/*******************************************************************************
* Copyright (c) 2001, 2008 Oracle 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:
* Oracle Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.jsf.designtime.internal.view;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.content.IContentType;
import org.eclipse.core.runtime.content.IContentTypeManager;
import org.eclipse.jst.jsf.core.internal.CompositeTagRegistryFactory;
import org.eclipse.jst.jsf.core.internal.CompositeTagRegistryFactory.TagRegistryIdentifier;
import org.eclipse.jst.jsf.designtime.context.DTFacesContext;
import org.eclipse.jst.jsf.designtime.internal.view.model.ITagRegistry;
/**
* Factories that create view definition adapters must extend this
* class.
*
* @author cbateman
*
*/
public abstract class AbstractViewDefnAdapterFactory implements IViewDefnAdapterFactory
{
/**
* @param context
* @param viewId
* @return a view adapter for the viewid or null if this factory
* cannot produce an adapter for the underlying view definition.
*/
public abstract IViewDefnAdapter createAdapter(DTFacesContext context, String viewId);
/**
* TODO: since this implicitly, XML-specific, perhaps this belongs
* in a util class
* Sub-classes may use to locate a tag registry for their view adapter
* @param file
* @return a tag registry for the file (based on class path and
* content type) or null if none.
*/
protected final ITagRegistry findTagRegistry(final IFile file)
{
final IContentTypeManager typeManager = Platform.getContentTypeManager();
final IContentType contentType =
typeManager.findContentTypeFor(file.getName());
ITagRegistry tagRegistry = null;
if (contentType != null)
{
final TagRegistryIdentifier id =
new TagRegistryIdentifier(file.getProject(), contentType);
tagRegistry = CompositeTagRegistryFactory.getInstance().getRegistry(id);
}
return tagRegistry;
}
}