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Enable analysis and reporting on python projects.

There is a newer version: 1.5

/*
 * Sonar Python Plugin
 * Copyright (C) 2011 SonarSource and Waleri Enns
 * [email protected]
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
 */
package org.sonar.plugins.python;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.List;

import org.apache.commons.io.IOUtils;
import org.sonar.api.utils.SonarException;

public final class Utils {
  
  public static int callCommand(String command,
                                String[] environ,
                                List output) {
    PythonPlugin.LOG.debug("Calling command: '{}'", command);

    BufferedReader stdInput = null;
    Process process = null;
    int rc = -1;
    try {
      if(environ == null){
        process = Runtime.getRuntime().exec(command);
      } else {
        process = Runtime.getRuntime().exec(command, environ);
      }

      stdInput = new BufferedReader(new InputStreamReader(process.getInputStream()));
      String s = null;

      while ((s = stdInput.readLine()) != null) {
        output.add(s);
      }

      process.waitFor();
      rc = process.exitValue();
    } catch (Exception e) {
      throw new SonarException("Error calling command '" + command +
                               "', details: '" + e + "'");
    } finally {
      IOUtils.closeQuietly(stdInput);
      if (process != null) {
        IOUtils.closeQuietly(process.getInputStream());
        IOUtils.closeQuietly(process.getOutputStream());
        IOUtils.closeQuietly(process.getErrorStream());
      }
    }
    
    return rc;
  }

  private Utils() {
  }
}