protected int processOptions()

in src/com/amazon/ion/apps/SymtabApp.java [67:132]

• 63 lines of code
• 12 McCabe index (conditional complexity)

    protected int processOptions(String[] args)
    {
        for (int i = 0; i < args.length; i++)
        {
            String arg = args[i];
            if ("--catalog".equals(arg))
            {
                String symtabPath = args[++i];
                loadCatalog(symtabPath);
            }
            else if ("--import".equals(arg))
            {
                // We'll use the latest version available.
                String name = args[++i];
                IonCatalog catalog = mySystem.getCatalog();
                SymbolTable table = catalog.getTable(name);
                if (table == null)
                {
                    String message =
                        "There's no symbol table in the catalog named " +
                        name;
                    throw new RuntimeException(message);
                }
                myImports.add(table);
                logDebug("Imported symbol table " + name
                           + "@" + table.getVersion());
            }
            else if ("--name".equals(arg))
            {
                if (mySymtabName != null)
                {
                    throw new RuntimeException("Multiple names");
                }
                mySymtabName = args[++i];
                if (mySymtabName.length() == 0)
                {
                    throw new RuntimeException("Name must not be empty");
                }
            }
            else if ("--version".equals(arg))
            {
                if (mySymtabVersion != 0)
                {
                    throw new RuntimeException("Multiple versions");
                }
                int version = Integer.parseInt(arg);
                if (version < 1)
                {
                    throw new RuntimeException("Version must be at least 1");
                }
                if (version != 1)
                {
                    String message = "Symtab extension not implemented";
                    throw new UnsupportedOperationException(message);
                }
                mySymtabVersion = version;
            }
            else
            {
                // this arg is not an option, we're done here
                return i;
            }
        }

        return args.length;
    }