/*
 * Copyright 2003-2015 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.project;

import jetbrains.mps.project.persistence.ProjectDescriptorPersistence;
import jetbrains.mps.project.structure.project.ProjectDescriptor;
import jetbrains.mps.util.MacroHelper;
import org.jdom.Element;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.io.File;

/**
 * Project data source backed up by the xml persisted properties
 *
 * Created by apyshkin on 11/2/15.
 */
public class ElementProjectDataSource implements ProjectDataSource {
  @Nullable private final Element myElement;
  @NotNull private final File myProjectFile;
  @NotNull private final MacroHelper myMacroHelper;

  public ElementProjectDataSource(@Nullable Element element, @NotNull File projectFile) {
    this(element, projectFile, new MacroHelper.MacroNoHelper());
  }

  public ElementProjectDataSource(@Nullable Element element, @NotNull File projectFile, @NotNull MacroHelper macroHelper) {
    myElement = element;
    myProjectFile = projectFile;
    myMacroHelper = macroHelper;
  }

  @NotNull
  @Override
  public ProjectDescriptor loadDescriptor() {
    return new ProjectDescriptorPersistence(myProjectFile, myMacroHelper).load(myElement);
  }
}
