org.springframework.beans.BeanWrapperImpl#getPropertyTypeDescriptor ( )源码实例Demo

下面列出了org.springframework.beans.BeanWrapperImpl#getPropertyTypeDescriptor ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： gvnix 文件： DatatablesUtils.java

/**
 * Convert a field value to string
 * 
 * @param datePatterns
 * @param dateFormatters
 * @param conversionService
 * @param entityBean
 * @param entity
 * @param fieldName
 * @param unescapedFieldName
 * @return
 */
private static <T> String convertFieldValueToString(
        Map<String, Object> datePatterns,
        Map<String, SimpleDateFormat> dateFormatters,
        ConversionService conversionService, BeanWrapperImpl entityBean,
        T entity, String fieldName, String unescapedFieldName) {
    try {
        Object value = null;
        TypeDescriptor fieldDesc = entityBean
                .getPropertyTypeDescriptor(unescapedFieldName);
        TypeDescriptor strDesc = TypeDescriptor.valueOf(String.class);
        value = entityBean.getPropertyValue(unescapedFieldName);
        if (value == null) {
            return "";
        }

        // For dates
        if (Date.class.isAssignableFrom(value.getClass())
                || Calendar.class.isAssignableFrom(value.getClass())) {
            SimpleDateFormat formatter = getDateFormatter(datePatterns,
                    dateFormatters, entityBean.getWrappedClass(),
                    unescapedFieldName);
            if (formatter != null) {
                if (Calendar.class.isAssignableFrom(value.getClass())) {
                    // Gets Date instance as SimpleDateFormat
                    // doesn't works with Calendar
                    value = ((Calendar) value).getTime();
                }
                return formatter.format(value);
            }
        }
        String stringValue;
        // Try to use conversion service (uses field descrition
        // to handle field format annotations)
        if (conversionService.canConvert(fieldDesc, strDesc)) {
            stringValue = (String) conversionService.convert(value,
                    fieldDesc, strDesc);
            if (stringValue == null) {
                stringValue = "";
            }
        }
        else {
            stringValue = ObjectUtils.getDisplayString(value);
        }
        return stringValue;
    }
    catch (Exception ex) {
        LOGGER.error(String.format(
                "Error getting value of property [%s] in bean %s [%s]",
                unescapedFieldName,
                entity.getClass().getSimpleName(),
                org.apache.commons.lang3.ObjectUtils.firstNonNull(
                        entity.toString(), "{unknow}")), ex);
        return "";
    }
}

源代码2 项目： gvnix 文件： DatatablesUtilsBeanImpl.java

/**
 * Convert a field value to string
 * 
 * @param datePatterns
 * @param dateFormatters
 * @param conversionService
 * @param entityBean
 * @param entity
 * @param fieldName
 * @param unescapedFieldName
 * @return
 */
private <T> String convertFieldValueToString(
        Map<String, Object> datePatterns,
        Map<String, SimpleDateFormat> dateFormatters,
        BeanWrapperImpl entityBean, T entity, String fieldName,
        String unescapedFieldName) {
    try {
        Object value = null;
        TypeDescriptor fieldDesc = entityBean
                .getPropertyTypeDescriptor(unescapedFieldName);
        TypeDescriptor strDesc = TypeDescriptor.valueOf(String.class);
        value = entityBean.getPropertyValue(unescapedFieldName);
        if (value == null) {
            return "";
        }

        // For dates
        if (Date.class.isAssignableFrom(value.getClass())
                || Calendar.class.isAssignableFrom(value.getClass())) {
            SimpleDateFormat formatter = getDateFormatter(datePatterns,
                    dateFormatters, entityBean.getWrappedClass(),
                    unescapedFieldName);
            if (formatter != null) {
                if (Calendar.class.isAssignableFrom(value.getClass())) {
                    // Gets Date instance as SimpleDateFormat
                    // doesn't works with Calendar
                    value = ((Calendar) value).getTime();
                }
                return formatter.format(value);
            }
        }
        String stringValue;
        // Try to use conversion service (uses field descrition
        // to handle field format annotations)
        if (conversionService.canConvert(fieldDesc, strDesc)) {
            stringValue = (String) conversionService.convert(value,
                    fieldDesc, strDesc);
            if (stringValue == null) {
                stringValue = "";
            }
        }
        else {
            stringValue = ObjectUtils.getDisplayString(value);
        }
        return stringValue;
    }
    catch (Exception ex) {
        LOGGER.error(String.format(
                "Error getting value of property [%s] in bean %s [%s]",
                unescapedFieldName,
                entity.getClass().getSimpleName(),
                org.apache.commons.lang3.ObjectUtils.firstNonNull(
                        entity.toString(), "{unknow}")), ex);
        return "";
    }
}

方法所在类

org.springframework.beans.BeanWrapperImpl