Java tutorial
/** * <copyright> * * Copyright (c) 2008 itemis AG 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: * itemis AG - Initial API and implementation * * </copyright> * */ package org.eclipse.emf.editor; import java.util.ArrayList; import java.util.Collections; import java.util.Iterator; import java.util.List; import org.eclipse.core.resources.IFile; import org.eclipse.core.runtime.NullProgressMonitor; import org.eclipse.emf.common.EMFPlugin; import org.eclipse.emf.common.util.Diagnostic; import org.eclipse.emf.common.util.EList; import org.eclipse.emf.ecore.EObject; import org.eclipse.emf.ecore.EStructuralFeature; import org.eclipse.emf.ecore.resource.Resource; import org.eclipse.emf.ecore.resource.ResourceSet; import org.eclipse.emf.ecore.util.Diagnostician; import org.eclipse.emf.edit.domain.EditingDomain; import org.eclipse.emf.edit.ui.action.ValidateAction.EclipseResourcesUtil; import org.eclipse.emf.editor.extxpt.ExtXptFacade; import org.eclipse.emf.editor.extxpt.ExtXptHelper; import org.eclipse.emf.editor.provider.ExtendedReflectiveItemProviderAdapterFactory.ExtendedReflectiveItemProvider; import org.eclipse.emf.mwe.core.issues.Issues; import org.eclipse.emf.mwe.core.issues.MWEDiagnostic; import org.eclipse.jface.dialogs.IMessageProvider; /** * @author Dennis Huebner * */ public class ModelCheckor { private MarkerHandler markerHandler = new MarkerHandler(); private EclipseResourcesUtil eclipseResourcesUtil = EMFPlugin.IS_RESOURCES_BUNDLE_AVAILABLE ? new EclipseResourcesUtil() : null; private final ExtXptFacade facade; public ModelCheckor(ExtXptFacade facade) { super(); this.facade = facade; } public List<MessageData> check(ExtendedReflectiveItemProvider extendedReflectiveItemProvider, EditingDomain ed, IFile file) { ResourceSet toCheck = ed.getResourceSet(); List<MessageData> messages = new ArrayList<MessageData>(); markerHandler.deleteMarkers(file, new NullProgressMonitor()); try { // get copy EList<Resource> resources = toCheck.getResources(); if (resources != null) { for (Resource res : resources) { // Clear Marker if (eclipseResourcesUtil != null) { eclipseResourcesUtil.deleteMarkers(res); } ValidationInfoAdapter.removeAll(res); EList<EObject> contents = res.getContents(); if (contents.isEmpty()) continue; EObject rootObject = contents.iterator().next(); // xtend checks List<MessageData> checkValidation = checkValidation(rootObject); for (MessageData md : checkValidation) { List<?> data = md.getData(); String location = null; Iterator<?> iterator = data.iterator(); Object o = iterator.next();// object index 0 if (o instanceof EObject) { EObject eO = (EObject) o; EStructuralFeature f = null; location = extendedReflectiveItemProvider.getText(eO); if (iterator.hasNext()) { Object obj = iterator.next();// feature index 1 // TODO get location using Element and Feature // from // md.getData() if (obj instanceof EStructuralFeature) { f = (EStructuralFeature) obj; location += ("#" + f.getName()); } } eO.eAdapters().add(new ValidationInfoAdapter(md.getMessage(), f, md.getStatus())); } markerHandler.addMarker(file, md.getMessage(), md.getStatus(), location); } // ecore messages.addAll(checkValidation); messages.addAll(ecoreValidation(rootObject)); } } } catch (Exception e) { String erMes = e.getLocalizedMessage(); if (erMes == null) { erMes = e.toString(); } messages.add(new MessageData(":(", "An Error occured during checking: " + erMes, null, IMessageProvider.WARNING)); } return messages; } private List<MessageData> checkValidation(EObject root) { List<MessageData> messages = new ArrayList<MessageData>(); Issues issues = facade.check(root); for (MWEDiagnostic issue : issues.getErrors()) { messages.add(createMessageFromIssue(issue, IMessageProvider.ERROR)); } for (MWEDiagnostic issue : issues.getWarnings()) { messages.add(createMessageFromIssue(issue, IMessageProvider.WARNING)); } return messages; } private List<MessageData> ecoreValidation(EObject rootObject) { int status = IMessageProvider.INFORMATION; Diagnostic diagnostic = Diagnostician.INSTANCE.validate(rootObject); switch (diagnostic.getSeverity()) { case Diagnostic.ERROR: status = IMessageProvider.ERROR; break; case Diagnostic.WARNING: status = IMessageProvider.WARNING; break; case Diagnostic.INFO: status = IMessageProvider.INFORMATION; default: break; } return createMessagesFromDiagnostic(rootObject, diagnostic, status); } /** * @param rootObject * @param diagnostic */ private List<MessageData> createMessagesFromDiagnostic(EObject rootObject, Diagnostic diagnostic, int status) { List<MessageData> mds = new ArrayList<MessageData>(); for (Iterator<Diagnostic> i = diagnostic.getChildren().iterator(); i.hasNext();) { Diagnostic childDiagnostic = i.next(); if (eclipseResourcesUtil != null) eclipseResourcesUtil.createMarkers(rootObject.eResource(), childDiagnostic); String message = childDiagnostic.getMessage(); MessageData md = new MessageData(childDiagnostic, message, childDiagnostic.getData(), status); mds.add(md); } return mds; } /** * @param issue * @return */ private MessageData createMessageFromIssue(MWEDiagnostic issue, int type) { String message = issue.getMessage(); Object element = issue.getElement(); MessageData md = new MessageData(element, message, issue.getData(), type); List<Object> data = new ArrayList<Object>(); if (element instanceof EObject) { EObject eObject = (EObject) element; data.add(0, element); EStructuralFeature feature = null; // read fetureName stored in the data if (issue.getData() != null && issue.getData().size() > 1 && String.class.isInstance(issue.getData().get(1))) { feature = eObject.eClass().getEStructuralFeature((String) issue.getData().get(1)); } // if nothing found try old extract from message way else { feature = ExtXptHelper.extractFeatureFromMessage(eObject, md); } if (feature != null) { data.add(1, feature); } } md.setData(Collections.unmodifiableList(data)); return md; } }