private Object exec()

in gshell-commands/gshell-bsf/src/main/java/org/apache/geronimo/gshell/commands/bsf/ScriptAction.java [149:187]

32 lines of code
5 McCabe index (conditional complexity)


    private Object exec(final CommandContext context) throws Exception {
        assert context != null;
        IO io = context.getIo();

        FileObject cwd = fileSystemAccess.getCurrentDirectory(context.getVariables());
        FileObject file = fileSystemAccess.resolveFile(cwd, path);

        if (!file.exists()) {
            io.error("File not found: {}", file.getName());
            return Result.FAILURE;
        }
        else if (!file.getType().hasContent()) {
            io.error("File has not content: {}", file.getName());
            return Result.FAILURE;
        }
        else if (!file.isReadable()) {
            io.error("File is not readable: {}", file.getName());
            return Result.FAILURE;
        }

        if (language == null) {
            language = detectLanguage(file);
        }

        BSFEngine engine = createEngine(context);

        byte[] bytes = FileUtil.getContent(file);
        String script = new String(bytes);

        log.info("Evaluating file ({}): {}", language, path);

        try {
            return engine.eval(file.getName().getBaseName(), 1, 1, script);
        }
        finally {
            engine.terminate();
            file.close();
        }
    }