Java Code Examples for org.codehaus.plexus.util.cli.CommandLineUtils.StringStreamConsumer

The following examples show how to use org.codehaus.plexus.util.cli.CommandLineUtils.StringStreamConsumer. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: buildnumber-maven-plugin   Source File: BuildNumberMojoTest.java    License: MIT License 6 votes vote down vote up
private static boolean isSvn18()
{
    Commandline cl = new Commandline();
    cl.setExecutable( "svn" );
    cl.createArg().setValue( "--version" );

    StringStreamConsumer stdout = new StringStreamConsumer();
    StringStreamConsumer stderr = new StringStreamConsumer();

    try
    {
        CommandLineUtils.executeCommandLine( cl, stdout, stderr );
        Matcher versionMatcher = SVN_VERSION_PATTERN.matcher( stdout.getOutput() );
        return versionMatcher.find() && ( Integer.parseInt( versionMatcher.group( 1 ) ) > 1
            || Integer.parseInt( versionMatcher.group( 2 ) ) >= 8 );
    }
    catch ( CommandLineException e )
    {
    }

    return false;
}
 
Example 2
Source Project: depgraph-maven-plugin   Source File: AbstractGraphMojo.java    License: Apache License 2.0 4 votes vote down vote up
private void createDotGraphImage(Path graphFilePath) throws IOException {
  String graphFileName = createDotImageFileName(graphFilePath);
  Path graphFile = graphFilePath.resolveSibling(graphFileName);

  String dotExecutable = determineDotExecutable();
  String[] arguments = new String[]{
      "-T", this.imageFormat,
      "-o", graphFile.toAbsolutePath().toString(),
      graphFilePath.toAbsolutePath().toString()};

  Commandline cmd = new Commandline();
  cmd.setExecutable(dotExecutable);
  cmd.addArguments(arguments);

  getLog().info("Running Graphviz: " + dotExecutable + " " + Joiner.on(" ").join(arguments));

  StringStreamConsumer systemOut = new StringStreamConsumer();
  StringStreamConsumer systemErr = new StringStreamConsumer();
  int exitCode;

  try {
    exitCode = CommandLineUtils.executeCommandLine(cmd, systemOut, systemErr);
  } catch (CommandLineException e) {
    throw new IOException("Unable to execute Graphviz", e);
  }

  Splitter lineSplitter = Splitter.on(LINE_SEPARATOR_PATTERN).omitEmptyStrings().trimResults();
  Iterable<String> output = Iterables.concat(
      lineSplitter.split(systemOut.getOutput()),
      lineSplitter.split(systemErr.getOutput()));

  for (String line : output) {
    getLog().info("  dot> " + line);
  }

  if (exitCode != 0) {
    throw new IOException("Graphviz terminated abnormally. Exit code: " + exitCode);
  }

  getLog().info("Graph image created on " + graphFile.toAbsolutePath());
}