Examples with TypeConverter com.jfinal.core.converter.TypeConverter used on opensource projects

Example 1 with TypeConverter

use of com.jfinal.core.converter.TypeConverter in project jfinal by jfinal.

the class Injector method injectBean.

@SuppressWarnings("unchecked")
public static <T> T injectBean(Class<T> beanClass, String beanName, HttpServletRequest request, boolean skipConvertError) {
    Object bean = createInstance(beanClass);
    String modelNameAndDot = StrKit.notBlank(beanName) ? beanName + "." : null;
    TypeConverter converter = TypeConverter.me();
    Map<String, String[]> parasMap = request.getParameterMap();
    Method[] methods = beanClass.getMethods();
    for (Method method : methods) {
        String methodName = method.getName();
        if (methodName.startsWith("set") == false || methodName.length() <= 3) {
            // only setter method
            continue;
        }
        Class<?>[] types = method.getParameterTypes();
        if (types.length != 1) {
            // only one parameter
            continue;
        }
        String attrName = StrKit.firstCharToLowerCase(methodName.substring(3));
        String paraName = modelNameAndDot != null ? modelNameAndDot + attrName : attrName;
        if (parasMap.containsKey(paraName)) {
            try {
                String paraValue = request.getParameter(paraName);
                Object value = paraValue != null ? converter.convert(types[0], paraValue) : null;
                method.invoke(bean, value);
            } catch (Exception e) {
                if (skipConvertError == false) {
                    // throw new RuntimeException(e);
                    throw new RuntimeException("Can not convert parameter: " + paraName, e);
                }
            }
        }
    }
    return (T) bean;
}

Example 2 with TypeConverter

use of com.jfinal.core.converter.TypeConverter in project jfinal by jfinal.

the class Injector method injectModel.

@SuppressWarnings("unchecked")
public static <T> T injectModel(Class<T> modelClass, String modelName, HttpServletRequest request, boolean skipConvertError) {
    Object temp = createInstance(modelClass);
    if (temp instanceof Model == false) {
        throw new IllegalArgumentException("getModel only support class of Model, using getBean for other class.");
    }
    Model<?> model = (Model<?>) temp;
    Table table = TableMapping.me().getTable(model.getClass());
    if (table == null) {
        throw new ActiveRecordException("The Table mapping of model: " + modelClass.getName() + " not exists or the ActiveRecordPlugin not start.");
    }
    String modelNameAndDot = StrKit.notBlank(modelName) ? modelName + "." : null;
    Map<String, String[]> parasMap = request.getParameterMap();
    TypeConverter converter = TypeConverter.me();
    // 以及支持界面的 attrName有误时可以感知并抛出异常避免出错
    for (Entry<String, String[]> entry : parasMap.entrySet()) {
        String paraName = entry.getKey();
        String attrName;
        if (modelNameAndDot != null) {
            if (paraName.startsWith(modelNameAndDot)) {
                attrName = paraName.substring(modelNameAndDot.length());
            } else {
                continue;
            }
        } else {
            attrName = paraName;
        }
        Class<?> colType = table.getColumnType(attrName);
        if (colType == null) {
            if (skipConvertError) {
                continue;
            } else {
                throw new ActiveRecordException("The model attribute " + attrName + " is not exists.");
            }
        }
        try {
            String[] paraValueArray = entry.getValue();
            String paraValue = (paraValueArray != null && paraValueArray.length > 0) ? paraValueArray[0] : null;
            Object value = paraValue != null ? converter.convert(colType, paraValue) : null;
            model.set(attrName, value);
        } catch (Exception e) {
            if (skipConvertError == false) {
                throw new RuntimeException("Can not convert parameter: " + paraName, e);
            }
        }
    }
    return (T) model;
}