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/*
 * Copyright 2013 Objectos, Fábrica de Software LTDA.
 *
 * 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 br.com.objectos.rio.core.os;

import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.List;

import com.google.common.io.CharStreams;

/**
 * @author [email protected] (Marcio Endo)
 */
public class Procs {

  private Procs() {
  }

  public static ProcBuilder newCommand() {
    return new ProcBuilder();
  }

  public static ProcStdout stdout(Process process) {
    InputStream is = process.getErrorStream();

    try {

      InputStreamReader reader = new InputStreamReader(is);
      List log = CharStreams.readLines(reader);
      return ProcStdout.success(log);

    } catch (IOException e) {

      return ProcStdout.failed(e);

    } finally {
      try {
        is.close();
      } catch (IOException e) {
        return ProcStdout.failed(e);
      }
    }
  }

}