HgTestUtil.java

/*
 * Copyright 2000-2013 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 hg4idea.test;

import com.intellij.openapi.project.Project;
import com.intellij.openapi.vcs.ProjectLevelVcsManager;
import com.intellij.openapi.vfs.VfsUtilCore;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.vcsUtil.VcsUtil;
import org.jetbrains.annotations.NotNull;
import org.zmlx.hg4idea.HgVcs;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.PrintStream;

public class HgTestUtil {

  public static void updateDirectoryMappings(Project project, VirtualFile mapRoot) {
    if (project != null && (!project.isDefault()) && project.getBaseDir() != null &&
        VfsUtilCore.isAncestor(project.getBaseDir(), mapRoot, false)) {
      mapRoot.refresh(false, false);
      final String path = mapRoot.equals(project.getBaseDir()) ? "" : mapRoot.getPath();
      ProjectLevelVcsManager manager = ProjectLevelVcsManager.getInstance(project);
      manager.setDirectoryMappings(VcsUtil.addMapping(manager.getDirectoryMappings(), path, HgVcs.VCS_NAME));
    }
  }

  /**
   * Writes the given content to the file.
   *
   * @param file    file which content will be substituted by the given one.
   * @param content new file content
   */
  public static void printToFile(@NotNull VirtualFile file, String content) throws FileNotFoundException {
    PrintStream centralPrinter = null;
    try {
      centralPrinter = new PrintStream(new FileOutputStream(new File(file.getPath())));
      centralPrinter.print(content);
      centralPrinter.close();
    }
    finally {
      if (centralPrinter != null) {
        centralPrinter.close();
      }
    }
  }
}