private int executeCommand()

in src/main/java/org/apache/maven/plugins/jlink/AbstractJLinkToolchainExecutor.java [148:195]
36 lines of code
12 McCabe index (conditional complexity)

    private int executeCommand(Commandline cmd) throws MojoExecutionException {
        if (getLog().isDebugEnabled()) {
            // no quoted arguments ???
            getLog().debug(CommandLineUtils.toString(cmd.getCommandline()).replaceAll("'", ""));
        }

        CommandLineUtils.StringStreamConsumer err = new CommandLineUtils.StringStreamConsumer();
        CommandLineUtils.StringStreamConsumer out = new CommandLineUtils.StringStreamConsumer();
        try {
            int exitCode = CommandLineUtils.executeCommandLine(cmd, out, err);

            String output = StringUtils.isEmpty(out.getOutput())
                    ? null
                    : '\n' + out.getOutput().trim();

            if (exitCode != 0) {

                if (output != null && !output.isEmpty()) {
                    // Reconsider to use WARN / ERROR ?
                    //  getLog().error( output );
                    for (String outputLine : output.split("\n")) {
                        getLog().error(outputLine);
                    }
                }

                StringBuilder msg = new StringBuilder("\nExit code: ");
                msg.append(exitCode);
                if (StringUtils.isNotEmpty(err.getOutput())) {
                    msg.append(" - ").append(err.getOutput());
                }
                msg.append('\n');
                msg.append("Command line was: ").append(cmd).append('\n').append('\n');

                throw new MojoExecutionException(msg.toString());
            }

            if (output != null && !output.isEmpty()) {
                // getLog().info( output );
                for (String outputLine : output.split("\n")) {
                    getLog().info(outputLine);
                }
            }

            return exitCode;
        } catch (CommandLineException e) {
            throw new MojoExecutionException("Unable to execute jlink command: " + e.getMessage(), e);
        }
    }