/*
* Copyright 2003-2016 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package jetbrains.mps.ide.findusages.model.holders;
import jetbrains.mps.ide.findusages.CantLoadSomethingException;
import jetbrains.mps.ide.findusages.CantSaveSomethingException;
import jetbrains.mps.project.Project;
import org.jdom.Element;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.mps.openapi.model.SModelReference;
import org.jetbrains.mps.openapi.persistence.PersistenceFacade;
public class ModelHolder implements IHolder<SModelReference> {
private static final String MODEL = "model";
private static final String UID = "uid";
public SModelReference myModelReference;
public ModelHolder(Element element, Project project) throws CantLoadSomethingException {
read(element, project);
}
public ModelHolder(SModelReference modelReference) {
myModelReference = modelReference;
}
@Override
public SModelReference getObject() {
return myModelReference;
}
@Override
@NotNull
public String getCaption() {
return myModelReference.getName().getSimpleName();
}
@Override
public void write(Element element, Project project) throws CantSaveSomethingException {
Element modelXML = new Element(MODEL);
modelXML.setAttribute(UID, myModelReference.toString());
element.addContent(modelXML);
}
@Override
public void read(Element element, Project project) throws CantLoadSomethingException {
Element modelXML = element.getChild(MODEL);
try {
myModelReference = PersistenceFacade.getInstance().createModelReference(modelXML.getAttributeValue(UID));
} catch (IllegalArgumentException ex) {
throw new CantLoadSomethingException("cannot parse model reference", ex);
}
}
}