diff options
Diffstat (limited to 'jsf/plugins/org.eclipse.jst.jsf.common/src/org/eclipse/jst/jsf/common/metadata/internal/DomainLoadingStrategy.java')
| -rw-r--r-- | jsf/plugins/org.eclipse.jst.jsf.common/src/org/eclipse/jst/jsf/common/metadata/internal/DomainLoadingStrategy.java | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/jsf/plugins/org.eclipse.jst.jsf.common/src/org/eclipse/jst/jsf/common/metadata/internal/DomainLoadingStrategy.java b/jsf/plugins/org.eclipse.jst.jsf.common/src/org/eclipse/jst/jsf/common/metadata/internal/DomainLoadingStrategy.java deleted file mode 100644 index 7cfa87a17..000000000 --- a/jsf/plugins/org.eclipse.jst.jsf.common/src/org/eclipse/jst/jsf/common/metadata/internal/DomainLoadingStrategy.java +++ /dev/null @@ -1,195 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2007 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: - * Oracle - initial API and implementation - * - ********************************************************************************/ -package org.eclipse.jst.jsf.common.metadata.internal; - -import java.util.ArrayList; -import java.util.Iterator; -import java.util.List; - -import org.eclipse.core.runtime.IStatus; -import org.eclipse.jst.jsf.common.JSFCommonPlugin; - -/** - * Default class used for loading metadata. - * Loads the source types from extensions defined against the domain. - * - * see org.eclipse.jst.jsf.common.domainLoadingStrategies ext-pt - */ -public class DomainLoadingStrategy implements IDomainLoadingStrategy, IMetaDataObserver { - - /** - * Domain id - */ - protected String domain; - - private MetaDataModel _model; - private List /*<IDomainSourceModelType>*/ _sourceTypes; - private List /*<IMetaDataSourceModelProvider>*/ _sources; - - /** - * Constructor - * @param domain - */ - public DomainLoadingStrategy(String domain){ - this.domain = domain; - } - - - /* (non-Javadoc) - * @see org.eclipse.jst.jsf.common.metadata.internal.IDomainLoadingStrategy#load(org.eclipse.jst.jsf.common.metadata.internal.MetaDataModel) - */ - public void load(MetaDataModel model) { - this._model = model; - _sourceTypes = loadDomainSourceModelTypes(); - sortSourceTypes(_sourceTypes); - _sources = locateMetaDataSourceInstances(_sourceTypes, model); - mergeModel(model, _sources); - } - - /* (non-Javadoc) - * @see org.eclipse.jst.jsf.common.metadata.internal.IDomainLoadingStrategy#reload() - */ - public void reload() throws ModelNotSetException { - //System.out.println("reload");//debug //$NON-NLS-1$ - if (_model == null) - throw new ModelNotSetException(); - - removeOldLocatorObservers(); - _sources = locateMetaDataSourceInstances(_sourceTypes, _model); - mergeModel(_model, _sources); - } - - /** - * Responsible for iterating through the sorted list of <code>IMetaDataSourceModelProvider</code> - * and merging the models after first translating the source model as required, into a single mreged model of - * standard metadata Entities and Traits. - * @param model - * @param sources - */ - protected void mergeModel(MetaDataModel model, List/*<IMetaDataSourceModelProvider>*/ sources) { - - StandardModelFactory.debug(">> Begin Merge: "+model.getModelKey()+"("+sources.size()+ " sources)", StandardModelFactory.DEBUG_MD_LOAD); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ - - IMetaDataModelMergeAssistant assistant = createModelMergeAssistant(model); - for (Iterator/*<IMetaDataSourceModelProvider>*/ it = sources.iterator();it.hasNext();){ - IMetaDataSourceModelProvider mds = (IMetaDataSourceModelProvider)it.next(); - Iterator translators = mds.getLocator().getDomainSourceModelType().getTranslators().iterator(); - while (translators.hasNext()){ - IMetaDataTranslator translator = (IMetaDataTranslator)translators.next(); - if (translator.canTranslate(mds)){ - StandardModelFactory.debug(">>> Merging: "+model.getModelKey()+"::"+mds, StandardModelFactory.DEBUG_MD_LOAD); //$NON-NLS-1$//$NON-NLS-2$ - assistant.setSourceModelProvider(mds); - try { - translator.translate(assistant); - } catch (Exception e) { - StandardModelFactory.debug(">>>> Error during translate/merge of: "+model.getModelKey()+": "+mds, StandardModelFactory.DEBUG_MD_LOAD); //$NON-NLS-1$ //$NON-NLS-2$ - JSFCommonPlugin.log(IStatus.ERROR, "Error during load of: "+mds, e); //$NON-NLS-1$ - } - } - } - } - assistant.setMergeComplete(); - StandardModelFactory.debug(">> End Merge: "+model.getModelKey(),StandardModelFactory.DEBUG_MD_LOAD); //$NON-NLS-1$ - } - - /** - * @param model - * @return an instance of a IMetaDataModelMergeAssistant to be used while merging source models - */ - protected IMetaDataModelMergeAssistant createModelMergeAssistant(MetaDataModel model){ - return new MetaDataModelMergeAssistantImpl(model); - } - - /** - * Allows for subclasses to override the default mechanism for sorting the source types. - * @param sourceTypes - */ - protected void sortSourceTypes(List/*<IDomainSourceModelType>*/ sourceTypes) { - //allows override - } - - /** - * @return list of <code>IDomainSourceModelType</code>s located in the <code>DomainSourceTypesRegistry</code> - * for the specified uri - */ - protected List/*<IDomainSourceModelType>*/ loadDomainSourceModelTypes() { - return DomainSourceTypesRegistry.getInstance().getDomainSourceTypes(domain); - } - - /** - * @param sourceTypes - * @param model - * @return list of <code>IMetaDataSourceModelProvider</code> instances from the domain source types applicable for - * this domain for this particular uri specified in the model - */ - protected List/*<IMetaDataSourceModelProvider>*/ locateMetaDataSourceInstances(List/*<IDomainSourceModelType>*/ sourceTypes, MetaDataModel model) { - List/*<IMetaDataSourceModelProvider>*/ sources = new ArrayList/*<IMetaDataSourceModelProvider>*/(); - for (Iterator/*<IDomainSourceModelType>*/ it = sourceTypes.iterator();it.hasNext();){ - IDomainSourceModelType sourceType = (IDomainSourceModelType)it.next(); - IMetaDataLocator locator = sourceType.getLocator(); - //We MUST set the sourceType here to associate the handler with locator to use for the source models - locator.setDomainSourceModelType(sourceType); - - //set project context in locator for those that care - if (locator instanceof IPathSensitiveMetaDataLocator) - ((IPathSensitiveMetaDataLocator)locator).setProjectContext(model.getModelKey().getProject()); - - List/*<IMetaDataSourceModelProvider>*/ providers = sourceType.getLocator().locateMetaDataModelProviders(model.getModelKey().getUri()); - if (providers != null && !providers.isEmpty()){ - for (Iterator mdProviders =providers.iterator();mdProviders.hasNext();){ - IMetaDataSourceModelProvider provider = (IMetaDataSourceModelProvider)mdProviders.next(); - //We MUST set the sourceType here to associate the translators to use for the source models - provider.setLocator(sourceType.getLocator()); - sources.add(provider); - } - } - //listen for changes - sourceType.getLocator().addObserver(this); - } - return sources; - } - - /* (non-Javadoc) - * @see org.eclipse.jst.jsf.common.metadata.internal.IMetaDataObserver#notifyMetadataChanged(org.eclipse.jst.jsf.common.metadata.internal.IMetaDataChangeNotificationEvent) - */ - public void notifyMetadataChanged(IMetaDataChangeNotificationEvent event) { - //for now, if any event occurs, we need to flush the _model so that it will rebuild - _model.setNeedsRefresh(); - } - - /* (non-Javadoc) - * @see org.eclipse.jst.jsf.common.metadata.internal.IDomainLoadingStrategy#cleanup() - */ - public void cleanup(){ - removeOldLocatorObservers(); - _sources = null; - _sourceTypes = null; - _model = null; - } - - private void removeOldLocatorObservers(){ - if (_sources != null){ - for (Iterator it= _sources.iterator();it.hasNext();){ - IMetaDataSourceModelProvider provider = (IMetaDataSourceModelProvider)it.next(); - if (provider != null) { - IMetaDataLocator locator = provider.getLocator(); - if (locator != null){ - locator.removeObserver(this); - locator.setDomainSourceModelType(null); - provider.setLocator(null); - } - } - } - } - } - -} |