📄 javascriptvalidatortag.java
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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.getDependencies().size() - va2.getDependencies().size();
}
}
});
String methods = null;
for (Iterator i = lActions.iterator(); i.hasNext();) {
ValidatorAction va = (ValidatorAction) i.next();
if (methods == null) {
methods = va.getMethod() + "(form)";
} else {
methods += " && " + va.getMethod() + "(form)";
}
}
results.append(getJavascriptBegin(methods));
for (Iterator i = lActions.iterator(); i.hasNext();) {
ValidatorAction va = (ValidatorAction) i.next();
String jscriptVar = null;
String functionName = null;
if (va.getJsFunctionName() != null && va.getJsFunctionName().length() > 0) {
functionName = va.getJsFunctionName();
} else {
functionName = va.getName();
}
results.append(" function " + functionName + " () { \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."
+ jscriptVar
+ " = new Array(\""
+ field.getKey()
+ "\", \""
+ message
+ "\", ");
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();
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;
}
if (Var.JSTYPE_INT.equalsIgnoreCase(jsType)) {
results.append(
"this."
+ varName
+ "="
+ ValidatorUtil.replace(
varValue,
"\\",
"\\\\")
+ "; ");
} else if (Var.JSTYPE_REGEXP.equalsIgnoreCase(jsType)) {
results.append(
"this."
+ varName
+ "=/"
+ ValidatorUtil.replace(
varValue,
"\\",
"\\\\")
+ "/; ");
} else if (Var.JSTYPE_STRING.equalsIgnoreCase(jsType)) {
results.append(
"this."
+ varName
+ "='"
+ ValidatorUtil.replace(
varValue,
"\\",
"\\\\")
+ "'; ");
// So everyone using the latest format doesn't need to change their xml files immediately.
} else if ("mask".equalsIgnoreCase(varName)) {
results.append(
"this."
+ varName
+ "=/"
+ ValidatorUtil.replace(
varValue,
"\\",
"\\\\")
+ "/; ");
} else {
results.append(
"this."
+ varName
+ "='"
+ ValidatorUtil.replace(
varValue,
"\\",
"\\\\")
+ "'; ");
}
}
results.append(" return this[varName];\"));\n");
}
results.append(" } \n\n");
}
} else if ("true".equalsIgnoreCase(staticJavascript)) {
results.append(this.getStartElement());
if ("true".equalsIgnoreCase(htmlComment)) {
results.append(htmlBeginComment);
}
}
}
if ("true".equalsIgnoreCase(staticJavascript)) {
results.append(getJavascriptStaticMethods(resources));
}
if (form != null
&& ("true".equalsIgnoreCase(dynamicJavascript)
|| "true".equalsIgnoreCase(staticJavascript))) {
results.append(getJavascriptEnd());
}
JspWriter writer = pageContext.getOut();
try {
writer.print(results.toString());
} catch (IOException e) {
throw new JspException(e.getMessage());
}
return (EVAL_BODY_TAG);
}
/**
* Release any acquired resources.
*/
public void release() {
super.release();
bundle = Globals.MESSAGES_KEY;
formName = null;
page = 0;
methodName = null;
staticJavascript = "true";
dynamicJavascript = "true";
htmlComment = "true";
cdata = "true";
src = null;
}
/**
* Returns the opening script element and some initial javascript.
*/
protected String getJavascriptBegin(String methods) {
StringBuffer sb = new StringBuffer();
String name =
formName.substring(0, 1).toUpperCase()
+ formName.substring(1, formName.length());
sb.append(this.getStartElement());
if (this.isXhtml() && "true".equalsIgnoreCase(this.cdata)) {
sb.append("<![CDATA[\r\n");
}
if (!this.isXhtml() && "true".equals(htmlComment)) {
sb.append(htmlBeginComment);
}
sb.append("\n var bCancel = false; \n\n");
if (methodName == null || methodName.length() == 0) {
sb.append(
" function validate"
+ name
+ "(form) { \n");
} else {
sb.append(
" function "
+ methodName
+ "(form) { \n");
}
sb.append(" if (bCancel) \n");
sb.append(" return true; \n");
sb.append(" else \n");
// Always return true if there aren't any Javascript validation methods
if (methods == null || methods.length() == 0) {
sb.append(" return true; \n");
} else {
sb.append(" return " + methods + "; \n");
}
sb.append(" } \n\n");
return sb.toString();
}
protected String getJavascriptStaticMethods(ValidatorResources resources) {
StringBuffer sb = new StringBuffer();
sb.append("\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();
}
/**
* Returns the closing script element.
*/
protected String getJavascriptEnd() {
StringBuffer sb = new StringBuffer();
sb.append("\n");
if (!this.isXhtml() && "true".equals(htmlComment)){
sb.append(htmlEndComment);
}
if (this.isXhtml() && "true".equalsIgnoreCase(this.cdata)) {
sb.append("]]>\r\n");
}
sb.append("</script>\n\n");
return sb.toString();
}
/**
* The value <code>null</code> will be returned at the end of the sequence.
* ex: "zz" will return <code>null</code>
*/
private String getNextVar(String input) {
if (input == null) {
return "aa";
}
input = input.toLowerCase();
for (int i = input.length(); i > 0; i--) {
int pos = i - 1;
char c = input.charAt(pos);
c++;
if (c <= 'z') {
if (i == 0) {
return c + input.substring(pos, input.length());
} else if (i == input.length()) {
return input.substring(0, pos) + c;
} else {
return input.substring(0, pos) + c + input.substring(pos, input.length() - 1);
}
} else {
input = replaceChar(input, pos, 'a');
}
}
return null;
}
/**
* Replaces a single character in a <code>String</code>
*/
private String replaceChar(String input, int pos, char c) {
if (pos == 0) {
return c + input.substring(pos, input.length());
} else if (pos == input.length()) {
return input.substring(0, pos) + c;
} else {
return input.substring(0, pos) + c + input.substring(pos, input.length() - 1);
}
}
/**
* Constructs the beginning <script> element depending on xhtml status.
*/
private String getStartElement() {
StringBuffer start = new StringBuffer("<script type=\"text/javascript\"");
// there is no language attribute in xhtml
if (!this.isXhtml()) {
start.append(" language=\"Javascript1.1\"");
}
if (this.src != null) {
start.append(" src=\"" + src + "\"");
}
start.append("> \n");
return start.toString();
}
/**
* Returns true if this is an xhtml page.
*/
private boolean isXhtml() {
return RequestUtils.isXhtml(this.pageContext);
}
/**
* Returns the cdata setting "true" or "false".
* @return String - "true" if JavaScript will be hidden in a CDATA section
*/
public String getCdata() {
return cdata;
}
/**
* Sets the cdata status.
* @param cdata The cdata to set
*/
public void setCdata(String cdata) {
this.cdata = cdata;
}
}
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