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/*******************************************************************************
* 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 java.util.Collections;
import java.util.List;
import org.eclipse.core.resources.IProject;
import org.eclipse.jst.jsf.common.metadata.Trait;
import org.eclipse.jst.jsf.common.metadata.internal.TraitValueHelper;
import org.eclipse.jst.jsf.common.metadata.query.ITaglibDomainMetaDataModelContext;
import org.eclipse.jst.jsf.common.metadata.query.TaglibDomainMetaDataQueryHelper;
import org.eclipse.jst.jsf.context.IModelContext;
import org.eclipse.jst.jsf.context.resolver.structureddocument.IMetadataContextResolver;
import org.eclipse.jst.jsf.context.structureddocument.IStructuredDocumentContext;
import org.w3c.dom.Attr;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
/**
* A default implementation of meta-data context resolver
*
* @author cbateman
*
*/
class MetadataContextResolver implements IMetadataContextResolver
{
private final IStructuredDocumentContext _context;
/**
* @param context
*/
public MetadataContextResolver(IStructuredDocumentContext context)
{
_context = context;
}
public List getPropertyValue(final String key)
{
final DOMContextResolver domResolver = new DOMContextResolver(_context);
final WorkspaceContextResolver wsResolver = new WorkspaceContextResolver(_context);
final TaglibContextResolver tagResolver =
new TaglibContextResolver(_context);
final Node curNode = domResolver.getNode();
if (curNode instanceof Attr)
{
final Attr attribute = (Attr) curNode;
final Element element = attribute.getOwnerElement();
final String uri = tagResolver.getTagURIForNodeName(element);
final IProject project = wsResolver.getProject();
final ITaglibDomainMetaDataModelContext mdContext = TaglibDomainMetaDataQueryHelper.createMetaDataModelContext(project, uri);
Trait trait = TaglibDomainMetaDataQueryHelper.getTrait(mdContext, element.getLocalName()+"/"+attribute.getLocalName(), key); //$NON-NLS-1$
if( trait != null )
{
return TraitValueHelper.getValueAsListOfStrings(trait);
}
}
else if (curNode instanceof Element)
{
final Element element = (Element) curNode;
final String uri = tagResolver.getTagURIForNodeName(element);
final IProject project = wsResolver.getProject();
final ITaglibDomainMetaDataModelContext mdContext = TaglibDomainMetaDataQueryHelper.createMetaDataModelContext(project, uri);
Trait trait = TaglibDomainMetaDataQueryHelper.getTrait(mdContext, element.getLocalName(), key);
if( trait != null )
{
return TraitValueHelper.getValueAsListOfStrings(trait);
}
}
return Collections.EMPTY_LIST;
}
public boolean canResolveContext(IModelContext modelContext) {
return (modelContext.getAdapter(IStructuredDocumentContext.class) != null);
}
}
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