content: /*
   * Copyright (C) 2014 AChep@xda <artemchep@gmail.com>
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public License
   * as published by the Free Software Foundation; either version 2
   * of the License, or (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
   * MA  02110-1301, USA.
   */
  package com.achep.base.utils.logcat;
  
  import androidx.annotation.Nullable;
  
  import com.achep.base.utils.IOUtils;
  import com.stericson.RootTools.RootTools;
  
  import java.io.BufferedReader;
  import java.io.IOException;
  import java.io.InputStreamReader;
  
  /**
   * @author Artem Chepurnoy
   */
  public class Logcat {
  
      /**
       * Captures the application logcat.
       */
      @Nullable
      public static String capture() {
          final String[] command;
          if (RootTools.isAccessGiven()) {
              command = new String[]{"su", "logcat", "-v", "threadtime", "-d"};
          } else command = new String[]{"logcat", "-v", "threadtime", "-d"};
  
          BufferedReader br = null;
          try {
              Process process = Runtime.getRuntime().exec(command);
              br = new BufferedReader(new InputStreamReader(process.getInputStream()));
              return IOUtils.readTextFromBufferedReader(br);
          } catch (IOException e) {
              return null;
          } finally {
              if (br != null) {
                  try {
                      br.close();
                  } catch (IOException e) { /* unlucky */ }
              }
          }
      }
  }
  