/**
* @param resources the validation resources
* @return the static javascript methods
*/
protected String getJavascriptStaticMethods(ValidatorResources resources) {
StringBuffer sb = new StringBuffer("\n\n");
Iterator actions = resources.getValidatorActions().values().iterator();
while (actions.hasNext()) {
ValidatorAction va = (ValidatorAction) actions.next();
if (va != null) {
String javascript = va.getJavascript();
if (javascript != null && javascript.length() > 0) {
sb.append(javascript + "\n");
}
}
}
return sb.toString();
}
/**
* Creates the JavaScript methods list from the given actions.
*
* @param actions A List of ValidatorAction objects.
* @return JavaScript methods.
*/
protected String createMethods(List actions) {
String methodOperator = " && ";
StringBuffer methods = null;
for (Iterator i = actions.iterator(); i.hasNext(); ) {
ValidatorAction va = (ValidatorAction) i.next();
if (methods == null) {
methods = new StringBuffer(va.getMethod());
} else {
methods.append(methodOperator);
methods.append(va.getMethod());
}
methods.append("(form)");
}
return methods.toString();
}
/**
* Get List of actions for the given Form.
*
* @param resources the validator resources
* @param form the form for which the actions are requested
* @return A sorted List of ValidatorAction objects.
*/
protected List createActionList(ValidatorResources resources, Form form) {
List actionMethods = new ArrayList();
// Get List of actions for this Form
for (Iterator i = form.getFields().iterator(); i.hasNext(); ) {
Field field = (Field) i.next();
for (Iterator x = field.getDependencyList().iterator(); x.hasNext(); ) {
Object o = x.next();
if (o != null && !actionMethods.contains(o)) {
actionMethods.add(o);
}
}
}
List actions = new ArrayList();
// Create list of ValidatorActions based on actionMethods
for (Iterator i = actionMethods.iterator(); i.hasNext(); ) {
String depends = (String) i.next();
ValidatorAction va = resources.getValidatorAction(depends);
// throw nicer NPE for easier debugging
if (va == null) {
throw new NullPointerException(
"Depends string \"" + depends + "\" was not found in validator-rules.xml.");
}
String javascript = va.getJavascript();
if (javascript != null && javascript.length() > 0) {
actions.add(va);
} else {
i.remove();
}
}
Collections.sort(actions, actionComparator);
return actions;
}
/**
* Generates the dynamic JavaScript for the form.
*
* @param resources the validator resources
* @param locale the locale for the current request
* @param form the form to generate javascript for
* @return the dynamic javascript
*/
protected String getDynamicJavascript(ValidatorResources resources, Locale locale, Form form) {
StringBuffer results = new StringBuffer();
MessageResources messages = StrutsUtils.getMessageResources(request, app);
List actions = createActionList(resources, form);
final String methods = createMethods(actions);
String formName = form.getName();
jsFormName = formName;
if (jsFormName.charAt(0) == '/') {
String mappingName = StrutsUtils.getActionMappingName(jsFormName);
ModuleConfig mconfig = ModuleUtils.getInstance().getModuleConfig(request, app);
ActionConfig mapping = (ActionConfig) mconfig.findActionConfig(mappingName);
if (mapping == null) {
throw new NullPointerException("Cannot retrieve mapping for action " + mappingName);
}
jsFormName = mapping.getAttribute();
}
results.append(getJavascriptBegin(methods));
for (Iterator i = actions.iterator(); i.hasNext(); ) {
ValidatorAction va = (ValidatorAction) i.next();
int jscriptVar = 0;
String functionName = null;
if (va.getJsFunctionName() != null && va.getJsFunctionName().length() > 0) {
functionName = va.getJsFunctionName();
} else {
functionName = va.getName();
}
results.append(" function ");
results.append(jsFormName);
results.append("_");
results.append(functionName);
results.append(" () { \n");
for (Iterator x = form.getFields().iterator(); x.hasNext(); ) {
Field field = (Field) x.next();
// Skip indexed fields for now until there is
// a good way to handle error messages (and the length
// of the list (could retrieve from scope?))
if (field.isIndexed() || field.getPage() != page || !field.isDependency(va.getName())) {
continue;
}
String message = Resources.getMessage(messages, locale, va, field);
message = (message != null) ? message : "";
// jscriptVar = this.getNextVar(jscriptVar);
results.append(" this.a");
results.append(jscriptVar++);
results.append(" = new Array(\"");
results.append(field.getKey()); // TODO: escape?
results.append("\", \"");
results.append(escapeJavascript(message));
results.append("\", ");
results.append("new Function (\"varName\", \"");
Map vars = field.getVars();
// Loop through the field's variables.
Iterator varsIterator = vars.keySet().iterator();
while (varsIterator.hasNext()) {
String varName = (String) varsIterator.next(); // TODO: escape?
Var var = (Var) vars.get(varName);
String varValue = var.getValue();
String jsType = var.getJsType();
// skip requiredif variables field, fieldIndexed, fieldTest, fieldValue
if (varName.startsWith("field")) {
continue;
}
// these are appended no matter what jsType is
results.append("this.");
results.append(varName);
String escapedVarValue = escapeJavascript(varValue);
if (Var.JSTYPE_INT.equalsIgnoreCase(jsType)) {
results.append("=");
results.append(escapedVarValue);
results.append("; ");
} else if (Var.JSTYPE_REGEXP.equalsIgnoreCase(jsType)) {
results.append("=/");
results.append(escapedVarValue);
results.append("/; ");
} else if (Var.JSTYPE_STRING.equalsIgnoreCase(jsType)) {
results.append("='");
results.append(escapedVarValue);
results.append("'; ");
}
// So everyone using the latest format
// doesn't need to change their xml files immediately.
else if ("mask".equalsIgnoreCase(varName)) {
results.append("=/");
results.append(escapedVarValue);
results.append("/; ");
} else {
results.append("='");
results.append(escapedVarValue);
results.append("'; ");
}
}
results.append(" return this[varName];\"));\n");
}
results.append(" } \n\n");
}
return results.toString();
}
public int compare(Object o1, Object o2) {
ValidatorAction va1 = (ValidatorAction) o1;
ValidatorAction va2 = (ValidatorAction) o2;
if ((va1.getDepends() == null || va1.getDepends().length() == 0)
&& (va2.getDepends() == null || va2.getDepends().length() == 0)) {
return 0;
} else if ((va1.getDepends() != null && va1.getDepends().length() > 0)
&& (va2.getDepends() == null || va2.getDepends().length() == 0)) {
return 1;
} else if ((va1.getDepends() == null || va1.getDepends().length() == 0)
&& (va2.getDepends() != null && va2.getDepends().length() > 0)) {
return -1;
} else {
return va1.getDependencyList().size() - va2.getDependencyList().size();
}
}