plugins/maven/src/main/java/org/jetbrains/idea/maven/project/MavenProjectsProcessorReadingTask.java

/*
 * Copyright 2000-2009 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 org.jetbrains.idea.maven.project;

import com.intellij.openapi.project.Project;
import com.intellij.openapi.vfs.VirtualFile;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.idea.maven.utils.MavenProcessCanceledException;
import org.jetbrains.idea.maven.utils.MavenProgressIndicator;

import java.util.List;

public class MavenProjectsProcessorReadingTask implements MavenProjectsProcessorTask {
  private final boolean myForce;
  private final MavenProjectsTree myTree;
  private final MavenGeneralSettings mySettings;
  private final List<VirtualFile> myFilesToUpdate;
  private final List<VirtualFile> myFilesToDelete;
  @Nullable private final Runnable myOnCompletion;

  public MavenProjectsProcessorReadingTask(boolean force,
                                           MavenProjectsTree tree,
                                           MavenGeneralSettings settings,
                                           @Nullable Runnable onCompletion) {
    this(null, null, force, tree, settings, onCompletion);
  }

  public MavenProjectsProcessorReadingTask(List<VirtualFile> filesToUpdate,
                                           List<VirtualFile> filesToDelete,
                                           boolean force,
                                           MavenProjectsTree tree,
                                           MavenGeneralSettings settings,
                                           @Nullable Runnable onCompletion) {
    myForce = force;
    myTree = tree;
    mySettings = settings;
    myFilesToUpdate = filesToUpdate;
    myFilesToDelete = filesToDelete;
    myOnCompletion = onCompletion;
  }

  public void perform(Project project,
                      MavenEmbeddersManager embeddersManager,
                      MavenConsole console,
                      MavenProgressIndicator indicator) throws MavenProcessCanceledException {
    if (myFilesToUpdate == null) {
      myTree.updateAll(myForce, mySettings, indicator);
    }
    else {
      myTree.delete(myFilesToDelete, mySettings, indicator);
      myTree.update(myFilesToUpdate, myForce, mySettings, indicator);
    }

    if (myOnCompletion != null) myOnCompletion.run();
  }
}