/*******************************************************************************
* Copyright (c) 2010 SAP AG.
* 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:
* Emil Simeonov - initial API and implementation.
* Dimitar Donchev - initial API and implementation.
* Dimitar Tenev - initial API and implementation.
* Nevena Manova - initial API and implementation.
* Georgi Konstantinov - initial API and implementation.
*******************************************************************************/
package org.eclipse.wst.sse.sieditor.model.validation.impl;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.MultiStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Status;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.validation.marker.MarkerUtil;
import org.eclipse.emf.validation.model.ConstraintStatus;
import org.eclipse.emf.validation.model.IConstraintStatus;
import org.eclipse.xsd.XSDDiagnostic;
import org.eclipse.wst.sse.sieditor.core.common.Logger;
import org.eclipse.wst.sse.sieditor.model.Activator;
import org.eclipse.wst.sse.sieditor.model.validation.IValidationStatus;
public final class MarkerUtils {
public static final String VALIDATION_MARKER_TYPE = "org.eclipse.wst.sse.sieditor.validation.problem"; //$NON-NLS-1$
private static final String PLATFORM_SCHEME = "platform"; //$NON-NLS-1$
private static final String FILE_SCHEME = "file"; //$NON-NLS-1$
private static final String RESOURCE_SEGMENT = "resource"; //$NON-NLS-1$
private static Map<String, WeakReference<Object>> modelObjectsToURI = new HashMap<String, WeakReference<Object>>();
public static void updateMarkers(List<IValidationStatus> validationStatusList, Collection<String> locationUris) {
for (String uri : locationUris) {
modelObjectsToURI.remove(uri);
}
for (Iterator<Entry<String, WeakReference<Object>>> iter = modelObjectsToURI.entrySet().iterator(); iter.hasNext();) {
if (iter.next().getValue().get() == null) {
iter.remove();
}
}
try {
for (String locationUri : locationUris) {
final IFile f = getFile(locationUri);
if (f != null && f.exists()) {
f.deleteMarkers(VALIDATION_MARKER_TYPE, false, IResource.DEPTH_ZERO);
}
}
final IStatus markerStatus = convertToMarkerStatus(validationStatusList);
if (!markerStatus.isOK()) {
MarkerUtil.updateMarkers(markerStatus, VALIDATION_MARKER_TYPE, null);
return;
}
} catch (CoreException e) {
Logger.log(e.getStatus());
}
}
public static IFile getFile(String location) {
final org.eclipse.emf.common.util.URI uri = org.eclipse.emf.common.util.URI.createURI(location);
return getFile(uri);
}
public static IFile getFile(URI uri) {
if (PLATFORM_SCHEME.equals(uri.scheme()) && uri.segmentCount() > 1 && RESOURCE_SEGMENT.equals(uri.segment(0))) {
StringBuffer platformResourcePath = new StringBuffer();
for (int j = 1, size = uri.segmentCount(); j < size; ++j) {
platformResourcePath.append('/');
platformResourcePath.append(org.eclipse.emf.common.util.URI.decode(uri.segment(j)));
}
try {
return ResourcesPlugin.getWorkspace().getRoot().getFile(new Path(platformResourcePath.toString()));
} catch (Exception e) {
Logger.logWarning(e.getMessage(), e);
}
} else if (FILE_SCHEME.equals(uri.scheme())) {
StringBuffer fileResourcePath = new StringBuffer();
for (int j = 1, size = uri.segmentCount(); j < size; ++j) {
fileResourcePath.append('/');
fileResourcePath.append(org.eclipse.emf.common.util.URI.decode(uri.segment(j)));
}
try {
return ResourcesPlugin.getWorkspace().getRoot().getFileForLocation(new Path(fileResourcePath.toString()));
} catch (Exception e) {
Logger.logWarning(e.getMessage(), e);
}
}
return null;
}
private static IStatus convertToMarkerStatus(List<IValidationStatus> validationStatusList) {
if (validationStatusList.isEmpty()) {
return Status.OK_STATUS;
}
int code = 0;
final List<IStatus> children = new ArrayList<IStatus>(validationStatusList.size());
for (IValidationStatus current : validationStatusList) {
final IConstraintStatus sourceStatus = current.getSourceStatus();
code = sourceStatus.getCode();
final EObject statusTarget = sourceStatus.getTarget();
modelObjectsToURI.put(EcoreUtil.getURI(statusTarget).toString(), new WeakReference<Object>(current.getTarget()));
if (statusTarget.eResource() == null) {
// Avoid NPE with EMF marker utility
continue;
}
children.add(new ConstraintStatus(sourceStatus.getConstraint(),
statusTarget instanceof XSDDiagnostic ? ((XSDDiagnostic) statusTarget).getPrimaryComponent() : statusTarget,
sourceStatus.getSeverity(), code, sourceStatus.getMessage(), sourceStatus.getResultLocus()));
}
return new MultiStatus(Activator.PLUGIN_ID, code, children.toArray(new IStatus[children.size()]), null, null);
}
/**
*
* @param uri
* eObject's uri
* @return the IModelObject corresponding to the eObject with this uri
*/
public static Object getObject(String uri) {
WeakReference<Object> reference = modelObjectsToURI.get(uri);
return reference == null ? null : reference.get();
}
}