platform/lang-impl/src/com/intellij/ide/impl/convert/ProjectFileVersionImpl.java

/*
 * Copyright 2000-2012 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 com.intellij.ide.impl.convert;

import com.intellij.conversion.impl.ConversionServiceImpl;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.components.*;
import com.intellij.openapi.components.impl.stores.IProjectStore;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.project.ex.ProjectEx;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.util.xmlb.XmlSerializerUtil;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;

/**
 * @author nik
 */
@State(
  name = ProjectFileVersionImpl.COMPONENT_NAME,
  storages = {
    @Storage(
      file = StoragePathMacros.PROJECT_FILE
    )
  }
)
public class ProjectFileVersionImpl extends ProjectFileVersion implements ProjectComponent, PersistentStateComponent<ProjectFileVersionState> {
  private static final Logger LOG = Logger.getInstance("#com.intellij.ide.impl.convert.ProjectFileVersionImpl");
  @NonNls public static final String COMPONENT_NAME = "ProjectFileVersion";
  private final Project myProject;
  private final ProjectFileVersionState myState = new ProjectFileVersionState();

  public ProjectFileVersionImpl(Project project) {
    myProject = project;
  }

  @Override
  public void projectOpened() {
  }

  @Override
  public void projectClosed() {
  }

  @Override
  @NonNls
  @NotNull
  public String getComponentName() {
    return COMPONENT_NAME;
  }

  @Override
  public void initComponent() {
  }

  @Override
  public void disposeComponent() {
    if (myProject.isDefault() || ApplicationManager.getApplication().isUnitTestMode()) return;
    final IProjectStore stateStore = ((ProjectEx)myProject).getStateStore();
    final String filePath;
    if (stateStore.getStorageScheme() == StorageScheme.DEFAULT) {
      filePath = stateStore.getProjectFilePath();
    }
    else {
      final VirtualFile baseDir = stateStore.getProjectBaseDir();
      filePath = baseDir != null ? baseDir.getPath() : null;
    }
    if (filePath != null) {
      ConversionServiceImpl.saveConversionResult(FileUtil.toSystemDependentName(filePath));
    }
    else {
      LOG.info("Cannot save conversion result: filePath == null");
    }
  }

  @Override
  public ProjectFileVersionState getState() {
    if (myState != null && !myState.getPerformedConversionIds().isEmpty()) {
      return myState;
    }
    return null;
  }

  @Override
  public void loadState(final ProjectFileVersionState state) {
    XmlSerializerUtil.copyBean(state, myState);
  }
}