CoreProjectLoader.java

/*
 * Copyright 2000-2017 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.core;

import com.intellij.configurationStore.DefaultStateSerializerKt;
import com.intellij.mock.MockProject;
import com.intellij.openapi.components.ComponentManager;
import com.intellij.openapi.components.PathMacroManager;
import com.intellij.openapi.components.impl.stores.DirectoryStorageUtil;
import com.intellij.openapi.components.impl.stores.FileStorageCoreUtil;
import com.intellij.openapi.module.ModuleManager;
import com.intellij.openapi.roots.ProjectRootManager;
import com.intellij.openapi.roots.impl.ProjectRootManagerImpl;
import com.intellij.openapi.roots.impl.libraries.LibraryTableBase;
import com.intellij.openapi.roots.impl.libraries.ProjectLibraryTable;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.project.ProjectKt;
import org.jdom.Element;
import org.jdom.JDOMException;
import org.jetbrains.annotations.NotNull;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Map;
import java.util.TreeMap;

import static com.intellij.util.JdomKt.loadElement;

/**
 * @author yole
 */
public class CoreProjectLoader {
  public static boolean loadProject(MockProject project, @NotNull VirtualFile virtualFile) throws IOException, JDOMException {
    VirtualFile ideaDir = ProjectKt.getProjectStoreDirectory(virtualFile);
    if (ideaDir != null) {
      project.setBaseDir(virtualFile);
      loadDirectoryProject(project, ideaDir);
      return true;
    }

    // TODO load .ipr
    return false;
  }

  private static void loadDirectoryProject(MockProject project, @NotNull VirtualFile dotIdea) throws IOException, JDOMException {
    VirtualFile modulesXml = dotIdea.findChild("modules.xml");
    if (modulesXml == null)
      throw new FileNotFoundException("Missing 'modules.xml' in " + dotIdea.getPath());

    TreeMap<String, Element> storageData = loadStorageFile(project, modulesXml);
    final Element moduleManagerState = storageData.get("ProjectModuleManager");
    if (moduleManagerState == null) {
      throw new JDOMException("cannot find ProjectModuleManager state in modules.xml");
    }
    final CoreModuleManager moduleManager = (CoreModuleManager)ModuleManager.getInstance(project);
    moduleManager.loadState(moduleManagerState);

    VirtualFile miscXml = dotIdea.findChild("misc.xml");
    if (miscXml != null) {
      storageData = loadStorageFile(project, miscXml);
      final Element projectRootManagerState = storageData.get("ProjectRootManager");
      if (projectRootManagerState == null) {
        throw new JDOMException("cannot find ProjectRootManager state in misc.xml");
      }
      ((ProjectRootManagerImpl)ProjectRootManager.getInstance(project)).loadState(projectRootManagerState);
    }

    VirtualFile libraries = dotIdea.findChild("libraries");
    if (libraries != null) {
      Map<String, Element> data = DirectoryStorageUtil.loadFrom(libraries, PathMacroManager.getInstance(project));
      Element libraryTable = DefaultStateSerializerKt.deserializeState(DirectoryStorageUtil.getCompositeState(data, new ProjectLibraryTable.LibraryStateSplitter()), Element.class, null);
      ((LibraryTableBase) ProjectLibraryTable.getInstance(project)).loadState(libraryTable);
    }

    moduleManager.loadModules();
    project.projectOpened();
  }

  @NotNull
  public static TreeMap<String, Element> loadStorageFile(@NotNull ComponentManager componentManager, @NotNull VirtualFile modulesXml) throws JDOMException, IOException {
    return FileStorageCoreUtil.load(loadElement(modulesXml.getInputStream()), PathMacroManager.getInstance(componentManager), false);
  }
}