| 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; |
| } |
| } |