| /******************************************************************************* |
| * Copyright (c) 2006 Oracle Corporation. |
| * 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: |
| * Cameron Bateman/Oracle - initial API and implementation |
| * |
| ********************************************************************************/ |
| |
| package org.eclipse.jst.jsf.context.resolver.structureddocument.internal.impl; |
| |
| |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.jst.jsf.context.AbstractDelegatingFactory; |
| import org.eclipse.jst.jsf.context.resolver.structureddocument.IDOMContextResolver; |
| import org.eclipse.jst.jsf.context.resolver.structureddocument.IMetadataContextResolver; |
| import org.eclipse.jst.jsf.context.resolver.structureddocument.IStructuredDocumentContextResolverFactory; |
| import org.eclipse.jst.jsf.context.resolver.structureddocument.ITaglibContextResolver; |
| import org.eclipse.jst.jsf.context.resolver.structureddocument.IWorkspaceContextResolver; |
| import org.eclipse.jst.jsf.context.resolver.structureddocument.internal.IStructuredDocumentContextResolverFactory2; |
| import org.eclipse.jst.jsf.context.resolver.structureddocument.internal.ITextRegionContextResolver; |
| import org.eclipse.jst.jsf.context.structureddocument.IStructuredDocumentContext; |
| import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument; |
| |
| /** |
| * Implements a factory for creating context resolvers for structured document |
| * contexts. |
| * |
| * @author cbateman |
| * |
| */ |
| public class StructuredDocumentContextResolverFactory extends |
| AbstractDelegatingFactory implements |
| IStructuredDocumentContextResolverFactory, IStructuredDocumentContextResolverFactory2 |
| { |
| /* static attributes */ |
| private static StructuredDocumentContextResolverFactory INSTANCE; |
| |
| /** |
| * @return an instance (possibly shared) of the this factory |
| */ |
| public synchronized static StructuredDocumentContextResolverFactory getInstance() |
| { |
| if (INSTANCE == null) |
| { |
| INSTANCE = new StructuredDocumentContextResolverFactory(); |
| } |
| |
| return INSTANCE; |
| } |
| |
| /** |
| * Constructor |
| */ |
| protected StructuredDocumentContextResolverFactory() |
| { |
| super(new Class[] |
| { IStructuredDocumentContextResolverFactory.class }); |
| } |
| |
| /** |
| * @see org.eclipse.jst.jsf.context.resolver.structureddocument.IStructuredDocumentContextResolverFactory#getDOMContextResolver(org.eclipse.jst.jsf.context.structureddocument.IStructuredDocumentContext) |
| */ |
| public IDOMContextResolver getDOMContextResolver( |
| final IStructuredDocumentContext context) |
| { |
| IDOMContextResolver resolver = internalGetDOMResolver(context); |
| |
| if (resolver == null) |
| { |
| resolver = delegateGetDOMResolver(context); |
| } |
| |
| return resolver; |
| } |
| |
| private IDOMContextResolver internalGetDOMResolver( |
| final IStructuredDocumentContext context) |
| { |
| if (context.getStructuredDocument() instanceof IStructuredDocument) |
| { |
| return new DOMContextResolver(context); |
| } |
| |
| return null; |
| } |
| |
| private IDOMContextResolver delegateGetDOMResolver( |
| final IStructuredDocumentContext context) |
| { |
| synchronized (_delegates) |
| { |
| for (final IAdaptable adaptable : _delegates) |
| { |
| |
| final IStructuredDocumentContextResolverFactory delegateFactory = (IStructuredDocumentContextResolverFactory) adaptable |
| .getAdapter(IStructuredDocumentContextResolverFactory.class); |
| |
| if (delegateFactory != null) |
| { |
| final IDOMContextResolver contextResolver = delegateFactory |
| .getDOMContextResolver(context); |
| |
| if (contextResolver != null) |
| { |
| return contextResolver; |
| } |
| } |
| } |
| |
| return null; |
| } |
| } |
| |
| /** |
| * @see org.eclipse.jst.jsf.context.resolver.structureddocument.IStructuredDocumentContextResolverFactory#getTextRegionResolver(org.eclipse.jst.jsf.context.structureddocument.IStructuredDocumentContext) |
| */ |
| public ITextRegionContextResolver getTextRegionResolver( |
| final IStructuredDocumentContext context) |
| { |
| ITextRegionContextResolver resolver = internalGetTextRegionResolver(context); |
| |
| if (resolver == null) |
| { |
| resolver = delegateGetTextRegionResolver(context); |
| } |
| |
| return resolver; |
| } |
| |
| private ITextRegionContextResolver internalGetTextRegionResolver( |
| final IStructuredDocumentContext context) |
| { |
| if (context.getStructuredDocument() instanceof IStructuredDocument) |
| { |
| return new TextRegionContextResolver(context); |
| } |
| |
| return null; |
| } |
| |
| private ITextRegionContextResolver delegateGetTextRegionResolver( |
| final IStructuredDocumentContext context) |
| { |
| synchronized (_delegates) |
| { |
| for (final Object element : _delegates) |
| { |
| final IStructuredDocumentContextResolverFactory delegateFactory = (IStructuredDocumentContextResolverFactory) ((IAdaptable) element) |
| .getAdapter(IStructuredDocumentContextResolverFactory.class); |
| final ITextRegionContextResolver contextResolver = delegateFactory |
| .getTextRegionResolver(context); |
| |
| if (contextResolver != null) |
| { |
| return contextResolver; |
| } |
| } |
| |
| return null; |
| } |
| } |
| |
| public IWorkspaceContextResolver getWorkspaceContextResolver( |
| final IStructuredDocumentContext context) |
| { |
| IWorkspaceContextResolver resolver = internalGetWorkspaceContextResolver(context); |
| |
| if (resolver == null) |
| { |
| resolver = delegateGetWorkspaceContextResolver(context); |
| } |
| |
| return resolver; |
| |
| } |
| |
| private IWorkspaceContextResolver internalGetWorkspaceContextResolver( |
| final IStructuredDocumentContext context) |
| { |
| if (context.getStructuredDocument() instanceof IStructuredDocument) |
| { |
| return new WorkspaceContextResolver(context); |
| } |
| |
| return null; |
| } |
| |
| private IWorkspaceContextResolver delegateGetWorkspaceContextResolver( |
| final IStructuredDocumentContext context) |
| { |
| synchronized (_delegates) |
| { |
| for (final Object element : _delegates) |
| { |
| final IStructuredDocumentContextResolverFactory delegateFactory = (IStructuredDocumentContextResolverFactory) ((IAdaptable) element) |
| .getAdapter(IStructuredDocumentContextResolverFactory.class); |
| final IWorkspaceContextResolver contextResolver = delegateFactory |
| .getWorkspaceContextResolver(context); |
| |
| if (contextResolver != null) |
| { |
| return contextResolver; |
| } |
| } |
| |
| return null; |
| } |
| } |
| |
| public ITaglibContextResolver getTaglibContextResolver( |
| final IStructuredDocumentContext context) |
| { |
| // check the delegats first |
| ITaglibContextResolver resolver = internalGetTaglibContextResolver(context); |
| |
| if (resolver == null) |
| { |
| resolver = delegateGetTaglibContextResolver(context); |
| } |
| |
| return resolver; |
| } |
| |
| public ITaglibContextResolver getTaglibContextResolverFromDelegates( |
| final IStructuredDocumentContext context) |
| { |
| // check the delegats first |
| ITaglibContextResolver resolver = delegateGetTaglibContextResolver(context); |
| |
| if (resolver == null) |
| { |
| resolver = internalGetTaglibContextResolver(context); |
| } |
| |
| return resolver; |
| } |
| |
| private ITaglibContextResolver internalGetTaglibContextResolver( |
| final IStructuredDocumentContext context) |
| { |
| if (context.getStructuredDocument() instanceof IStructuredDocument) |
| { |
| return new TaglibContextResolver(context); |
| } |
| |
| return null; |
| } |
| |
| private ITaglibContextResolver delegateGetTaglibContextResolver( |
| final IStructuredDocumentContext context) |
| { |
| synchronized (_delegates) |
| { |
| for (final IAdaptable adapter : _delegates) |
| { |
| final IStructuredDocumentContextResolverFactory delegateFactory = |
| (IStructuredDocumentContextResolverFactory) adapter |
| .getAdapter(IStructuredDocumentContextResolverFactory.class); |
| |
| if (delegateFactory != null) |
| { |
| final ITaglibContextResolver contextResolver = delegateFactory |
| .getTaglibContextResolver(context); |
| |
| if (contextResolver != null) |
| { |
| return contextResolver; |
| } |
| } |
| } |
| |
| return null; |
| } |
| } |
| |
| public IMetadataContextResolver getMetadataContextResolver( |
| final IStructuredDocumentContext context) |
| { |
| IMetadataContextResolver resolver = internalGetMetadataContextResolver(context); |
| |
| if (resolver == null) |
| { |
| resolver = delegateGetMetadataContextResolver(context); |
| } |
| |
| return resolver; |
| } |
| |
| private IMetadataContextResolver internalGetMetadataContextResolver( |
| final IStructuredDocumentContext context) |
| { |
| if (context.getStructuredDocument() instanceof IStructuredDocument) |
| { |
| return new MetadataContextResolver(context); |
| } |
| |
| return null; |
| } |
| |
| private IMetadataContextResolver delegateGetMetadataContextResolver( |
| final IStructuredDocumentContext context) |
| { |
| synchronized (_delegates) |
| { |
| for (final Object element : _delegates) |
| { |
| final IStructuredDocumentContextResolverFactory delegateFactory = (IStructuredDocumentContextResolverFactory) ((IAdaptable) element) |
| .getAdapter(IStructuredDocumentContextResolverFactory.class); |
| final IMetadataContextResolver contextResolver = delegateFactory |
| .getMetadataContextResolver(context); |
| |
| if (contextResolver != null) |
| { |
| return contextResolver; |
| } |
| } |
| |
| return null; |
| } |
| } |
| } |