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Example 1 with Table

use of com.jfinal.plugin.activerecord.Table 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;
}
Also used : Table(com.jfinal.plugin.activerecord.Table) ActiveRecordException(com.jfinal.plugin.activerecord.ActiveRecordException) ActiveRecordException(com.jfinal.plugin.activerecord.ActiveRecordException) TypeConverter(com.jfinal.core.converter.TypeConverter) Model(com.jfinal.plugin.activerecord.Model)

Aggregations

TypeConverter (com.jfinal.core.converter.TypeConverter)1 ActiveRecordException (com.jfinal.plugin.activerecord.ActiveRecordException)1 Model (com.jfinal.plugin.activerecord.Model)1 Table (com.jfinal.plugin.activerecord.Table)1