本文整理汇总了Java中net.sourceforge.stripes.validation.TypeConverter.convert方法的典型用法代码示例。如果您正苦于以下问题：Java TypeConverter.convert方法的具体用法？Java TypeConverter.convert怎么用？Java TypeConverter.convert使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类net.sourceforge.stripes.validation.TypeConverter的用法示例。
在下文中一共展示了TypeConverter.convert方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: getKey
import net.sourceforge.stripes.validation.TypeConverter; //导入方法依赖的package包/类
/**
* Attempts to convert the key to from the expression node to the correct type
* as determined by reflection (using generics to find the Map key type). If generics
* information is not present then the type found in the expression is used (String, int etc.).
*
* @param evaluation the current node evaluation
* @return the key to use when interacting with the Map
*/
@SuppressWarnings("unchecked")
protected Object getKey(NodeEvaluation evaluation) {
Class declaredType = evaluation.getKeyType();
Class nodeType = evaluation.getNode().getTypedValue().getClass();
if (nodeType.equals(declaredType) || declaredType == null) {
return evaluation.getNode().getTypedValue();
}
else {
try {
// Collect the things needed to grab a type converter
String stringKey = evaluation.getNode().getStringValue();
ActionBean bean = (ActionBean) evaluation.getExpressionEvaluation().getBean();
Locale locale = bean.getContext().getLocale();
Collection errors = new ArrayList<ValidationError>();
TypeConverter tc = StripesFilter.getConfiguration()
.getTypeConverterFactory().getTypeConverter(declaredType, locale);
// If there is a type converter, try using it!
if (tc != null) {
Object retval = tc.convert(stringKey, declaredType, errors);
if (errors.size() == 0) return retval;
}
// Otherwise look for a String constructor
else {
return StripesFilter.getConfiguration().getObjectFactory()
.constructor(declaredType, String.class).newInstance(stringKey);
}
}
catch (Exception e) {
log.warn("Exception while converting Map key to appropriate type. Key: ",
evaluation.getNode().getStringValue());
}
// Return the original key if we couldn't type convert it
return evaluation.getNode().getTypedValue();
}
}