/**
* Configuration method invoked by framework while initializing Class. Following are the
* parameters used :
*
* <p>
*
* <blockquote>
*
* <pre>
* resource-file - oneinc-resource.properties
* validation-file - validation-rules.xml
* </pre>
*
* </blockquote>
*
* <p>This method initialize the ValidatorResources by reading the validation-file passed and then
* initialize different forms defined in this file. It also initialize the validation resource
* bundle i.e. oneinc-resource.properties from where user friendly message would be picked in case
* of validation failure.
*
* <p>Member-variable needs to be initialized/assigned once while initializing the class, and is
* being passed from the XML is initialized in this method.
*
* <p>In XML, use the following tag to define the property:
*
* <p><property name="resource-file" value="oneinc-resource" />
*
* <p>corresponding code to get the property is as follow:
*
* <p>String resourceName = cfg.get("resource-file");
*
* @param cfg - Configuration object holds the property defined in the XML.
* @throws ConfigurationException
*/
public void setConfiguration(Configuration cfg) throws ConfigurationException {
try {
String resourceName = cfg.get("resource-file");
apps = ResourceBundle.getBundle(resourceName);
validationFileName = cfg.get("validation-file");
InputStream in = null;
in = BaseValidation.class.getClassLoader().getResourceAsStream(validationFileName);
try {
resources = new ValidatorResources(in);
form = resources.getForm(Locale.getDefault(), "ValidateBean");
provForm = resources.getForm(Locale.getDefault(), "ValidateProvBean");
} finally {
if (in != null) {
in.close();
}
}
prepareTxnMap();
} catch (FileNotFoundException e) {
throw new ConfigurationException(e.getLocalizedMessage(), e);
} catch (IOException e) {
throw new ConfigurationException(e.getLocalizedMessage(), e);
} catch (Exception e) {
throw new ConfigurationException(e.getLocalizedMessage(), e);
}
}
/**
* Iterate over the validation result to check for any validation failure. For the very first
* validation failure, it reads the oneinc-resource.properties encapsulated in member variable
* apps and set the user friendly message along with the IRC and throws the
* OneIncValidationException.
*
* @param bean - Bean to be validated
* @param results - contains the validation result
* @param resources2 - ValidatorResources object prepared for validation-rules.xml
* @param form - contains the mapping for field and their validation rule.
* @throws CWValidationException - if validation gets fail.
*/
@SuppressWarnings({"unchecked", "deprecation"})
private void checkResults(
Serializable bean, ValidatorResults results, ValidatorResources resources2, Form form)
throws CWValidationException {
Iterator propertyNames = results.getPropertyNames().iterator();
while (propertyNames.hasNext()) {
String propertyName = (String) propertyNames.next();
ValidatorResult result = results.getValidatorResult(propertyName);
Map actionMap = result.getActionMap();
Iterator keys = actionMap.keySet().iterator();
Field field = form.getField(propertyName);
String prettyFieldName = apps.getString(field.getArg(0).getKey());
while (keys.hasNext()) {
String actName = (String) keys.next();
ValidatorAction action = resources.getValidatorAction(actName);
if (!result.isValid(actName)) {
String message = apps.getString(action.getMsg());
Object[] args = {prettyFieldName};
String formatMsg = MessageFormat.format(message, args);
int colonIndex = formatMsg.indexOf(',');
String imfResponseCode = null;
String msg = null;
if (colonIndex > 0) {
imfResponseCode = formatMsg.substring(0, colonIndex);
msg = formatMsg.substring(colonIndex);
}
throw new CWValidationException(msg, imfResponseCode);
}
}
}
}
public int doStartTag() throws JspException {
try {
this.requestContext = new RequestContext((HttpServletRequest) this.pageContext.getRequest());
} catch (RuntimeException ex) {
throw ex;
} catch (Exception ex) {
pageContext.getServletContext().log("Exception in custom tag", ex);
}
// Look up this key to see if its a field of the current form
boolean requiredField = false;
boolean validationError = false;
ValidatorResources resources = getValidatorResources();
Locale locale = pageContext.getRequest().getLocale();
if (locale == null) {
locale = Locale.getDefault();
}
// get the name of the bean from the key
String formName = key.substring(0, key.indexOf('.'));
String fieldName = key.substring(formName.length() + 1);
if (resources != null) {
Form form = resources.getForm(locale, formName);
if (form != null) {
Field field = form.getField(fieldName);
if (field != null) {
if (field.isDependency("required") || field.isDependency("validwhen")) {
requiredField = true;
}
}
}
}
Errors errors = requestContext.getErrors(formName, false);
List fes = null;
if (errors != null) {
fes = errors.getFieldErrors(fieldName);
// String errorMsg = getErrorMessages(fes);
}
if (fes != null && fes.size() > 0) {
validationError = true;
}
// Retrieve the message string we are looking for
String message = null;
try {
message = getMessageSource().getMessage(key, null, locale);
} catch (NoSuchMessageException nsm) {
message = "???" + key + "???";
}
String cssClass = null;
if (styleClass != null) {
cssClass = styleClass;
} else if (requiredField) {
cssClass = "required";
}
String cssErrorClass = (errorClass != null) ? errorClass : "error";
StringBuilder label = new StringBuilder();
if ((message == null) || "".equals(message.trim())) {
label.append("");
} else {
label.append("<label for=\"").append(fieldName).append("\"");
if (cssClass != null) {
label.append(" class=\"").append(cssClass);
if (validationError) {
label.append(" ").append(cssErrorClass);
}
}
label.append("\">").append(message);
label.append((requiredField) ? " <span class=\"required\">*</span>" : "");
label.append((colon) ? ":" : "");
label.append("</label>");
}
// Print the retrieved message to our output writer
try {
writeMessage(label.toString());
} catch (IOException io) {
io.printStackTrace();
throw new JspException("Error writing label: " + io.getMessage());
}
// Continue processing this page
return (SKIP_BODY);
}