private void executeJDepsCommandLine()

in src/main/java/org/apache/maven/plugins/jdeps/AbstractJDepsMojo.java [507:590]
68 lines of code
13 McCabe index (conditional complexity)

    private void executeJDepsCommandLine( Commandline cmd, File jOutputDirectory,
                                            CommandLineUtils.StringStreamConsumer consumer )
        throws MojoExecutionException
    {
        if ( getLog().isDebugEnabled() )
        {
            // no quoted arguments
            getLog().debug( "Executing: " + CommandLineUtils.toString( cmd.getCommandline() ).replaceAll( "'", "" ) );
        }

        
        CommandLineUtils.StringStreamConsumer err = new CommandLineUtils.StringStreamConsumer()
        {
            @Override
            public void consumeLine( String line )
            {
                if ( !line.startsWith( "Picked up JAVA_TOOL_OPTIONS:" ) )
                {
                    super.consumeLine( line );
                }
            }
        };
        CommandLineUtils.StringStreamConsumer out;
        if ( consumer != null )
        {
            out = consumer;
        }
        else
        {
            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 ( StringUtils.isNotEmpty( output ) )
                {
                    getLog().info( output );
                }

                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 ( StringUtils.isNotEmpty( output ) )
            {
                getLog().info( output );
            }
        }
        catch ( CommandLineException e )
        {
            throw new MojoExecutionException( "Unable to execute jdeps command: " + e.getMessage(), e );
        }

        // ----------------------------------------------------------------------
        // Handle JDeps warnings
        // ----------------------------------------------------------------------

        if ( StringUtils.isNotEmpty( err.getOutput() ) && getLog().isWarnEnabled() )
        {
            getLog().warn( "JDeps Warnings" );

            StringTokenizer token = new StringTokenizer( err.getOutput(), "\n" );
            while ( token.hasMoreTokens() )
            {
                String current = token.nextToken().trim();

                getLog().warn( current );
            }
        }
    }