public void backupLastUrl() {
        Action.backupLastUrl(this.request);
    }

    public void closeConnection() throws Exception {
        if (this.connection == null) {
            return;
        }
        this.connection.close();
        this.connection = null;
    }
   vd:  action.getConnection().closeConnection();

    public void commit() throws Exception {
        if (this.connection == null) {
            return;
        }
        this.connection.commit();
        this.connection.setAutoCommit(false);
    }
    vd:  action.getConnection().commit();

    public String correctDataFilteredTableName(String tableName, String columnName, String dataType, String rightCode) throws Exception {
        String condition = this.getDataPermissionSql(dataType, rightCode);
        condition = StringUtil.replaceAll((String) condition, (String) "$ColumnName$", (String) columnName);
        String alias = tableName;
        int index = tableName.indexOf(64);
        if (index >= 0) {
            alias = alias.substring(0, index);
        }
        if ((index = tableName.lastIndexOf(46)) >= 0 && index < alias.length() - 1) {
            alias = alias.substring(index + 1);
        }
        return "(SELECT * FROM " + tableName + " WHERE " + condition + ") " + alias;
    }

    public ScriptEngine createInterpreter() throws Exception {
        if (this.interpreter == null) {
            ScriptEngineManager manager = new ScriptEngineManager();
            this.interpreter = manager.getEngineByExtension("js");
            this.interpreter.put("action", this);
            this.interpreter.put("config", (Object) this.getConfig());
            this.interpreter.put("dictionary", (Object) this.getDictionary());
        }
        return this.interpreter;
    }

    public void destroy() {
        Database.closeObject((Connection)this.connection);
        this.connection = null;
    }

    public String getActionPath() {
        String actionPath = this.getKey();
        if (actionPath.endsWith("/")) {
            actionPath = actionPath.substring(0, actionPath.length() - 1);
        }
        if (actionPath != null && !actionPath.isEmpty() && !actionPath.startsWith("/")) {
            actionPath = "/" + actionPath;
        }
        return actionPath;
    }

    public String getApplicationId() throws Exception {
        return AdmHelper.getInstance().getApplicationId();
    }
vd:     Combo==DATA_TYPE_ID
        Extra==!"onchange=\\"fs_refresh(" + action.getId() + ");\\""
        Item==SQL
            Value==!"SELECT DATA_TYPE_ID,NAME FROM ADM_DATA_TYPE WHERE APP_ID=" + action.getApplicationId() + " ORDER BY NAME";
            AddNullValue
        LiveValidation
            Presence

    public List<String> getChildValueList(DictionaryNode nd) throws Exception {
        List values = nd.getChildValueList();
        if (values == null || values.isEmpty()) {
            return values;
        }
        LinkedList<String> result = new LinkedList<String>();
        for (String value : values) {
            result.add(value.startsWith("!") ? String.valueOf(this.interpret(value.substring(1))) : value);
        }
        return result;
    }

    public Connection getConnection() throws Exception {
        if (this.connection == null) {
            String dataSourceName = this.getConfig().getString("DataSource");
            DataSourceManager dsm = DataSourceManager.getInstance();
            DataSource ds = dataSourceName == null || dataSourceName.isEmpty() ? dsm.getDataSource() : dsm.getDataSource(dataSourceName);
            this.connection = ds.getConnection();
            this.connection.setAutoCommit(false);
        }
        return this.connection;
    }

    public String getContextPath() {
        String contextPath = this.request.getContextPath();
        if (contextPath.endsWith("/")) {
            contextPath = contextPath.substring(0, contextPath.length() - 1);
        }
        return contextPath;
    }
    vd:  http://.../com/ftl/ttksnn/industry_information/list.jsp 
    String path= action.getContextPath() >> "/com/ftl/ttksnn/industry_information"

    public String getDataPermissionSql(String dataType, String rightCode) throws Exception {
        HttpSession session = this.request.getSession();
        String userId = (String) session.getAttribute("userId");
        int userIdValue = -1;
        if (userId != null && !userId.isEmpty()) {
            userIdValue = Integer.valueOf(userId);
        }
        List associatedGroups = (List) session.getAttribute("associatedGroups");
        return AdmHelper.getInstance().getDataPermissionSql(userIdValue, associatedGroups, dataType, rightCode);
    }

    public static Dictionary getDictionary(String key) {
        Dictionary dic = dictionaryMap.get(key);
        if (dic == null) {
            dic = new Dictionary();
        }
        return dic;
    }
    vd: action.getDictionary().get("EXCEL_FORMAT") , 'EXCEL_FORMAT' là trường được thiết lập để gọi một câu thông báo bên file Dictionary.

    public Dictionary getErrorDictionary() {
        Dictionary errorDic = ErrorDictionary.getDictionary((String)this.getLanguage().getCode());
        if (errorDic == null) {
            errorDic = new Dictionary();
        }
        return errorDic;
    }

    public Dictionary getConfig() {
        if (this.config == null) {
            String key = this.getKey();
            this.config = this.getCachedDictionary(key, true);
        }
        return this.config;
    }

    public Map<String, Object> getParameters() throws Exception {
        return this.getRequest().getParameterMap();
    }
    ví dụ trong WAK dùng action.getParameters().get(“ADMIN”) sẽ thay cho request.getParameter(“ADMIN”)