/**
* Process a single {@link URLMapping} annotation.
*
* @param clazz The class that the annotation was found on
* @param mappingAnnotation The annotation to process
* @return The mapping ID of the mapping found
*/
private String processPrettyMappingAnnotation(
final Class clazz, final URLMapping mappingAnnotation) {
// log class name
if (log.isTraceEnabled()) {
log.trace("Found @URLMapping annotation on class: " + clazz.getName());
}
// create UrlMapping from annotation
UrlMapping mapping = new UrlMapping();
mapping.setId(mappingAnnotation.id());
mapping.setParentId(mappingAnnotation.parentId());
mapping.setPattern(mappingAnnotation.pattern());
mapping.setViewId(mappingAnnotation.viewId());
mapping.setOutbound(mappingAnnotation.outbound());
mapping.setOnPostback(mappingAnnotation.onPostback());
// register mapping
Object existingMapping = urlMappings.put(mapping.getId(), mapping);
// fail if a mapping with this ID already existed
if (existingMapping != null) {
throw new IllegalArgumentException("Duplicated mapping id: " + mapping.getId());
}
// At bean name to lookup map if it has been specified
if ((mappingAnnotation.beanName() != null) && (mappingAnnotation.beanName().length() > 0)) {
beanNameMap.put(clazz, mappingAnnotation.beanName());
}
// process validations
for (URLValidator validationAnnotation : mappingAnnotation.validation()) {
// index attribute is required in this case
if (validationAnnotation.index() < 0) {
throw new IllegalArgumentException(
"Please set the index of the path parameter you want to validate with the @URLValidator specified on mapping: "
+ mapping.getId());
}
// prepare PathValidator
PathValidator pathValidator = new PathValidator();
pathValidator.setIndex(validationAnnotation.index());
pathValidator.setOnError(validationAnnotation.onError());
pathValidator.setValidatorIds(join(validationAnnotation.validatorIds(), " "));
// optional validator method
if (!isBlank(validationAnnotation.validator())) {
pathValidator.setValidatorExpression(
new ConstantExpression(validationAnnotation.validator()));
}
// add PathValidator to the mapping
mapping.getPathValidators().add(pathValidator);
}
// process converters
for (URLConverter converterAnnotation : mappingAnnotation.converter()) {
// index attribute is required in this case
if (converterAnnotation.index() < 0) {
throw new IllegalArgumentException(
"Please set the index of the path parameter you want to convert with the @URLConverter specified on mapping: "
+ mapping.getId());
}
// prepare PathValidator
PathConverter pathConverter = new PathConverter();
pathConverter.setIndex(converterAnnotation.index());
pathConverter.setConverterId(StringUtils.trimToNull(converterAnnotation.converterId()));
// add PathValidator to the mapping
mapping.addPathConverter(pathConverter);
}
// return mapping id
return mapping.getId().trim();
}
