/*
* grEMF
*
* Copyright (C) 2006-2012 Institute for Software Technology
* University of Koblenz-Landau, Germany
* ist@uni-koblenz.de
*
* For bug reports, documentation and further information, visit
*
* https://github.com/jgralab/gremf
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 3 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, see <http://www.gnu.org/licenses>.
*
* Additional permission under GNU GPL version 3 section 7
*
* If you modify this Program, or any covered work, by linking or combining
* it with Eclipse (or a modified version of that program or an Eclipse
* plugin), containing parts covered by the terms of the Eclipse Public
* License (EPL), the licensors of this Program grant you additional
* permission to convey the resulting work. Corresponding Source for a
* non-source form of such a combination shall include the source code for
* the parts of JGraLab used as well as that of the covered work.
*/
package de.uni_koblenz.gremf.schema.impl;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.util.Collection;
import org.eclipse.emf.common.notify.Adapter;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.util.BasicEList;
import org.eclipse.emf.common.util.ECollections;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.common.util.TreeIterator;
import org.eclipse.emf.ecore.EAnnotation;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EDataType;
import org.eclipse.emf.ecore.EEnum;
import org.eclipse.emf.ecore.EFactory;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EOperation;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.EcorePackage;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.util.EcoreUtil;
import de.uni_koblenz.gremf.GrEMFSchemaType;
import de.uni_koblenz.gremf.exception.FreeFloatingEdgeException;
import de.uni_koblenz.gremf.exception.UnsupportedSchemaChangeException;
import de.uni_koblenz.gremf.impl.GrEMFVertexImpl;
import de.uni_koblenz.gremf.util.EModelElementUtil;
import de.uni_koblenz.jgralab.GraphIO;
import de.uni_koblenz.jgralab.GraphIOException;
import de.uni_koblenz.jgralab.ImplementationType;
import de.uni_koblenz.jgralab.schema.Domain;
public class GrEMFFactoryImpl implements EFactory, GrEMFSchemaType {
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
// --------------------------------------------------------------------------
// ---- Ecore
// --------------------------------------------------------------------------
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
private GrEMFPackageImpl gremfpackage;
private EList<EAnnotation> eAnnotations;
public GrEMFFactoryImpl(GrEMFPackageImpl p) {
this.gremfpackage = p;
}
// --------------------------------------------------------------------------
// Methods from interface
// org.eclipse.emf.ecore.EModelElement
// --------------------------------------------------------------------------
@Override
public EList<EAnnotation> getEAnnotations() {
if (this.eAnnotations == null) {
this.eAnnotations = new BasicEList<EAnnotation>();
}
return this.eAnnotations;
}
@Override
public EAnnotation getEAnnotation(String source) {
return EModelElementUtil.getEAnnotation(source, this.eAnnotations);
}
// --------------------------------------------------------------------------
// Methods from interface
// org.eclipse.emf.ecore.EObject
// --------------------------------------------------------------------------
@Override
public EClass eClass() {
return EcorePackage.Literals.EFACTORY;
}
@Override
public Resource eResource() {
return null;
}
@Override
public EObject eContainer() {
return null;
}
@Override
public EStructuralFeature eContainingFeature() {
return null;
}
@Override
public EReference eContainmentFeature() {
return null;
}
@Override
public EList<EObject> eContents() {
return new BasicEList<EObject>();
}
@Override
public TreeIterator<EObject> eAllContents() {
return EcoreUtil.getAllContents(this, true);
}
@Override
public boolean eIsProxy() {
return false;
}
@Override
public EList<EObject> eCrossReferences() {
EList<EObject> list = new BasicEList<EObject>();
list.add(this.getEPackage());
return list;
}
@Override
public Object eGet(EStructuralFeature feature) {
if (feature.equals(EcorePackage.Literals.EFACTORY__EPACKAGE)) {
return this.getEPackage();
} else if (feature
.equals(EcorePackage.Literals.EMODEL_ELEMENT__EANNOTATIONS)) {
return this.getEAnnotations();
}
throw new IllegalArgumentException("The feature '" + feature.getName()
+ "' is not a valid feature");
}
@Override
public Object eGet(EStructuralFeature feature, boolean resolve) {
return this.eGet(feature);
}
@SuppressWarnings("unchecked")
@Override
public void eSet(EStructuralFeature feature, Object newValue) {
if (feature.equals(EcorePackage.Literals.EMODEL_ELEMENT__EANNOTATIONS)) {
this.getEAnnotations().clear();
this.getEAnnotations().addAll(
(Collection<? extends EAnnotation>) newValue);
} else if (feature
.equals(EcorePackage.Literals.EMODEL_ELEMENT__EANNOTATIONS)) {
throw new UnsupportedOperationException(
"Changing the EPackage of an EFactory is not allowed");
}
throw new IllegalArgumentException("The feature '" + feature.getName()
+ "' is not a valid feature");
}
@Override
public boolean eIsSet(EStructuralFeature feature) {
if (feature.equals(EcorePackage.Literals.EFACTORY__EPACKAGE)) {
return this.getEPackage() != null;
} else if (feature
.equals(EcorePackage.Literals.EMODEL_ELEMENT__EANNOTATIONS)) {
return (this.getEAnnotations() != null)
&& !this.getEAnnotations().isEmpty();
}
throw new IllegalArgumentException("The feature '" + feature.getName()
+ "' is not a valid feature");
}
@Override
public void eUnset(EStructuralFeature feature) {
if (feature.equals(EcorePackage.Literals.EFACTORY__EPACKAGE)) {
throw new UnsupportedOperationException(
"Changing the EPackage of an EFactory is not allowed");
} else if (feature
.equals(EcorePackage.Literals.EMODEL_ELEMENT__EANNOTATIONS)) {
this.getEAnnotations().clear();
} else {
throw new IllegalArgumentException("The feature '"
+ feature.getName() + "' is not a valid feature");
}
}
@Override
public Object eInvoke(EOperation operation, EList<?> arguments)
throws InvocationTargetException {
throw new UnsupportedOperationException(
"EOperations are not supported by grEMF.");
}
// --------------------------------------------------------------------------
// Methods from interface
// org.eclipse.emf.ecore.ENotifier
// --------------------------------------------------------------------------
@Override
public EList<Adapter> eAdapters() {
return ECollections.unmodifiableEList(new BasicEList<Adapter>());
}
@Override
public boolean eDeliver() {
return false;
}
@Override
public void eSetDeliver(boolean deliver) {
// No Schema changes allowed - so no Notifications necessary
throw new UnsupportedSchemaChangeException();
}
@Override
public void eNotify(Notification notification) {
// No Schema changes allowed - so no Notifications necessary
throw new UnsupportedSchemaChangeException();
}
// --------------------------------------------------------------------------
// Methods from interface
// org.eclipse.emf.ecore.EFactory
// --------------------------------------------------------------------------
@Override
public EPackage getEPackage() {
return this.gremfpackage;
}
@Override
public void setEPackage(EPackage value) {
this.gremfpackage = (GrEMFPackageImpl) value;
}
@Override
public EObject create(EClass eClass) {
if ((this.getEPackage() != eClass.getEPackage()) || eClass.isAbstract()) {
throw new IllegalArgumentException("The class '" + eClass.getName()
+ "' is not a valid classifier");
}
GrEMFSchemaImpl s = (GrEMFSchemaImpl) ((GrEMFPackageImpl) this
.getEPackage()).getSchema();
if (eClass instanceof GrEMFGraphClassImpl) {
if (s.getCurrentGraph() == null) {
return (EObject) s.createGraph(ImplementationType.GENERIC);
} else {
return (EObject) s.getCurrentGraph();
}
} else if (eClass instanceof GrEMFVertexClassImpl) {
if (s.getCurrentGraph() == null) {
s.createGraph(ImplementationType.GENERIC);
}
GrEMFVertexImpl vertex = s.getCurrentGraph().createVertex(
(GrEMFVertexClassImpl) eClass);
return vertex;
} else if (eClass instanceof GrEMFEdgeClassImpl) {
throw new FreeFloatingEdgeException();
} else {
throw new IllegalArgumentException("The class '" + eClass.getName()
+ "' is not a valid classifier");
}
}
@Override
public Object createFromString(EDataType eDataType, String literalValue) {
if ((this.getEPackage() != eDataType.getEPackage())) {
throw new IllegalArgumentException("The EDataType '"
+ eDataType.getName() + "' is not a valid classifier");
}
try {
return ((Domain) eDataType)
.parseGenericAttribute(GraphIO.createStringReader(
literalValue,
((GrEMFPackageImpl) this.getEPackage()).getSchema()));
} catch (GraphIOException e) {
e.printStackTrace();
}
return EcoreUtil.createFromString(eDataType, literalValue);
}
@Override
public String convertToString(EDataType eDataType, Object instanceValue) {
if ((this.getEPackage() != eDataType.getEPackage())) {
throw new IllegalArgumentException("The EDataType '"
+ eDataType.getName() + "' is not a valid classifier");
}
try {
GraphIO io = GraphIO.createStringWriter(((GrEMFPackageImpl) this
.getEPackage()).getSchema());
if (eDataType instanceof EEnum) {
return instanceValue.toString();
}
((Domain) eDataType).serializeGenericAttribute(io, instanceValue);
return io.getStringWriterResult();
} catch (IOException e) {
e.printStackTrace();
} catch (GraphIOException e) {
e.printStackTrace();
}
return EcoreUtil.convertToString(eDataType, instanceValue);
}
}