| /******************************************************************************* |
| * Copyright (c) 2010 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 and/or initial documentation |
| *******************************************************************************/ |
| |
| package org.eclipse.jst.jsf.common.metadata.query.internal; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.jst.jsf.common.metadata.Trait; |
| import org.eclipse.jst.jsf.common.metadata.internal.IMetaDataDomainContext; |
| import org.eclipse.jst.jsf.common.metadata.query.internal.taglib.ITaglibDomainPredicateMatcherFactory; |
| import org.eclipse.jst.jsf.common.metadata.query.internal.taglib.TaglibDomainContextImpl; |
| import org.eclipse.jst.jsf.common.metadata.query.internal.taglib.TaglibDomainEntityIdRegexPredicateMatcher; |
| import org.eclipse.jst.jsf.common.metadata.query.internal.taglib.TaglibDomainEntityQuerySpec; |
| import org.eclipse.jst.jsf.common.metadata.query.internal.taglib.TaglibDomainTraitIdRegexPredicateMatcher; |
| import org.eclipse.jst.jsf.common.metadata.query.internal.taglib.TaglibDomainTraitQuerySpec; |
| |
| /** |
| * Factory for producing {@link IMetaDataDomainContext}s and {@link IPredicateMatcherFactory}s |
| * |
| */ |
| public final class MetaDataQueryContextFactory { |
| |
| private static MetaDataQueryContextFactory INSTANCE = new MetaDataQueryContextFactory(); |
| |
| private MetaDataQueryContextFactory(){ |
| //read registry for query context and matcher factories here... future |
| } |
| |
| /** |
| * @return singleton instance of {@link MetaDataQueryContextFactory} |
| */ |
| public static MetaDataQueryContextFactory getInstance() { |
| synchronized (INSTANCE) { |
| return INSTANCE; |
| } |
| } |
| |
| /** |
| * Creates a context for querying the tag library domain |
| * @param project - must not be null |
| * @return ITaglibDomainModelContext |
| */ |
| public IMetaDataDomainContext createTaglibDomainModelContext(final IProject project) { |
| assert project != null; |
| return new TaglibDomainContextImpl(project); |
| } |
| |
| /** |
| * @return {@link ITaglibDomainPredicateMatcherFactory} |
| */ |
| public ITaglibDomainPredicateMatcherFactory getTaglibDomainPredicateMatcherFactory() { |
| //currently only produces one kind of factory |
| return new TaglibDomainRegexQueryMatcherFactory(); |
| } |
| |
| private static class TaglibDomainRegexQueryMatcherFactory implements ITaglibDomainPredicateMatcherFactory { |
| |
| public TaglibDomainEntityIdRegexPredicateMatcher createTagLibraryModelMatcher(final String uri) { |
| return new TaglibDomainEntityIdRegexPredicateMatcher(new TaglibDomainEntityQuerySpec(uri)); |
| } |
| |
| public TaglibDomainEntityIdRegexPredicateMatcher createTagEntityMatcher(final String uri, |
| final String tagName) { |
| return new TaglibDomainEntityIdRegexPredicateMatcher(new TaglibDomainEntityQuerySpec(uri, tagName)); |
| } |
| |
| public TaglibDomainEntityIdRegexPredicateMatcher createTagAttributeEntityMatcher(final String uri, |
| final String tagName, final String tagAttributeName) { |
| return new TaglibDomainEntityIdRegexPredicateMatcher(new TaglibDomainEntityQuerySpec(uri, tagName, tagAttributeName)); |
| } |
| |
| public IPredicateMatcher<Trait> createTraitMatcher(final String traitId) { |
| return new TaglibDomainTraitIdRegexPredicateMatcher(new TaglibDomainTraitQuerySpec(traitId)); |
| } |
| |
| public Object getAdapter(final Class adapter) { |
| return null; |
| } |
| |
| } |
| } |