Callable eval()

in modules/shell/src/main/java/org/apache/tuscany/sca/shell/Shell.java [511:624]
113 lines of code
21 McCabe index (conditional complexity)

    Callable<Boolean> eval(final List<String> toks) {
        final String op = toks.size() > 0 ? toks.get(0) : "";

        if (commands.keySet().contains(op)) {
            toks.remove(0);
            return new Callable<Boolean>() {
                public Boolean call() throws Exception {
                   return commands.get(op).invoke(toks.toArray(new String[0]));
                }
            };
        }
        if (op.equalsIgnoreCase("domain"))
            return new Callable<Boolean>() {
                public Boolean call() throws Exception {
                    return domain(toks.size() > 1 ? toks.get(1) : "");
                }
            };
        if (op.equalsIgnoreCase("domains"))
            return new Callable<Boolean>() {
                public Boolean call() throws Exception {
                    return domains();
                }
            };
        if (op.equalsIgnoreCase("domainComposite"))
            return new Callable<Boolean>() {
                public Boolean call() throws Exception {
                    return domainComposite();
                }
            };
        if (op.equalsIgnoreCase("install"))
            return new Callable<Boolean>() {
                public Boolean call() throws Exception {
                    return install(toks);
                }
            };
        if (op.equalsIgnoreCase("installed"))
            return new Callable<Boolean>() {
                public Boolean call() throws Exception {
                    return installed(toks);
                }
            };
        if (op.equalsIgnoreCase("load"))
            return new Callable<Boolean>() {
                public Boolean call() throws Exception {
                    return load(toks.get(1));
                }
            };
        if (op.equalsIgnoreCase("nodes"))
            return new Callable<Boolean>() {
                public Boolean call() throws Exception {
                    return nodes();
                }
            };
        if (op.equalsIgnoreCase("run"))
            return new Callable<Boolean>() {
                public Boolean call() throws Exception {
                    return run(toks.get(1));
                }
            };
        if (op.equalsIgnoreCase("help"))
            return new Callable<Boolean>() {
                public Boolean call() {
                    return help(toks);
                }
            };
        if (op.equalsIgnoreCase("save"))
            return new Callable<Boolean>() {
                public Boolean call() throws Exception {
                    return save(toks.get(1));
                }
            };
        if (op.equalsIgnoreCase("services"))
            return new Callable<Boolean>() {
                public Boolean call() throws Exception {
                    return services();
                }
            };
        if (op.equalsIgnoreCase("bye"))
            return new Callable<Boolean>() {
                public Boolean call() throws Exception {
                    return bye();
                }
            };
        if (op.equalsIgnoreCase("started"))
            return new Callable<Boolean>() {
                public Boolean call() {
                    return started(toks);
                }
            };
        if (op.equalsIgnoreCase("status"))
            return new Callable<Boolean>() {
                public Boolean call() {
                     return status();
                }
            };
        if (op.equalsIgnoreCase("history"))
            return new Callable<Boolean>() {
                public Boolean call() {
                    return history();
                }
            };
        if (op.equalsIgnoreCase("") || op.startsWith("#"))
            return new Callable<Boolean>() {
                public Boolean call() {
                    return true;
                }
            };
        return new Callable<Boolean>() {
            public Boolean call() {
                out.println("unknown command");
                return true;
            }
        };
    }