use of freemarker.core._ErrorDescriptionBuilder in project freemarker by apache.
the class OverloadedMethods method getMemberAndArguments.
MemberAndArguments getMemberAndArguments(List tmArgs, BeansWrapper unwrapper) throws TemplateModelException {
// Try to find a fixed args match:
MaybeEmptyMemberAndArguments fixArgsRes = fixArgMethods.getMemberAndArguments(tmArgs, unwrapper);
if (fixArgsRes instanceof MemberAndArguments) {
return (MemberAndArguments) fixArgsRes;
}
// Try to find a varargs match:
MaybeEmptyMemberAndArguments varargsRes;
if (varargMethods != null) {
varargsRes = varargMethods.getMemberAndArguments(tmArgs, unwrapper);
if (varargsRes instanceof MemberAndArguments) {
return (MemberAndArguments) varargsRes;
}
} else {
varargsRes = null;
}
_ErrorDescriptionBuilder edb = new _ErrorDescriptionBuilder(toCompositeErrorMessage((EmptyMemberAndArguments) fixArgsRes, (EmptyMemberAndArguments) varargsRes, tmArgs), "\nThe matching overload was searched among these members:\n", memberListToString());
if (!bugfixed) {
edb.tip("You seem to use BeansWrapper with incompatibleImprovements set below 2.3.21. If you think this " + "error is unfounded, enabling 2.3.21 fixes may helps. See version history for more.");
}
addMarkupBITipAfterNoNoMarchIfApplicable(edb, tmArgs);
throw new _TemplateModelException(edb);
}
use of freemarker.core._ErrorDescriptionBuilder in project freemarker by apache.
the class OverloadedMethods method addMarkupBITipAfterNoNoMarchIfApplicable.
/**
* Adds tip to the error message if converting a {@link TemplateMarkupOutputModel} argument to {@link String} might
* allows finding a matching overload.
*/
private void addMarkupBITipAfterNoNoMarchIfApplicable(_ErrorDescriptionBuilder edb, List tmArgs) {
for (int argIdx = 0; argIdx < tmArgs.size(); argIdx++) {
Object tmArg = tmArgs.get(argIdx);
if (tmArg instanceof TemplateMarkupOutputModel) {
for (Iterator membDescs = fixArgMethods.getMemberDescriptors(); membDescs.hasNext(); ) {
CallableMemberDescriptor membDesc = (CallableMemberDescriptor) membDescs.next();
Class[] paramTypes = membDesc.getParamTypes();
Class paramType = null;
if (membDesc.isVarargs() && argIdx >= paramTypes.length - 1) {
paramType = paramTypes[paramTypes.length - 1];
if (paramType.isArray()) {
paramType = paramType.getComponentType();
}
}
if (paramType == null && argIdx < paramTypes.length) {
paramType = paramTypes[argIdx];
}
if (paramType != null) {
if (paramType.isAssignableFrom(String.class) && !paramType.isAssignableFrom(tmArg.getClass())) {
edb.tip(SimpleMethodModel.MARKUP_OUTPUT_TO_STRING_TIP);
return;
}
}
}
}
}
}
use of freemarker.core._ErrorDescriptionBuilder in project freemarker by apache.
the class JspTagModelBase method setupTag.
void setupTag(Object tag, Map args, ObjectWrapper wrapper) throws TemplateModelException, InvocationTargetException, IllegalAccessException {
if (args != null && !args.isEmpty()) {
ObjectWrapperAndUnwrapper unwrapper = wrapper instanceof ObjectWrapperAndUnwrapper ? (ObjectWrapperAndUnwrapper) wrapper : // [2.4] Throw exception in this case
BeansWrapper.getDefaultInstance();
final Object[] argArray = new Object[1];
for (Iterator iter = args.entrySet().iterator(); iter.hasNext(); ) {
final Map.Entry entry = (Map.Entry) iter.next();
final Object arg = unwrapper.unwrap((TemplateModel) entry.getValue());
argArray[0] = arg;
final Object paramName = entry.getKey();
Method setterMethod = (Method) propertySetters.get(paramName);
if (setterMethod == null) {
if (dynaSetter == null) {
throw new TemplateModelException("Unknown property " + StringUtil.jQuote(paramName.toString()) + " on instance of " + tagClass.getName());
} else {
dynaSetter.invoke(tag, null, paramName, argArray[0]);
}
} else {
if (arg instanceof BigDecimal) {
argArray[0] = BeansWrapper.coerceBigDecimal((BigDecimal) arg, setterMethod.getParameterTypes()[0]);
}
try {
setterMethod.invoke(tag, argArray);
} catch (Exception e) {
final Class setterType = setterMethod.getParameterTypes()[0];
final _ErrorDescriptionBuilder desc = new _ErrorDescriptionBuilder("Failed to set JSP tag parameter ", new _DelayedJQuote(paramName), " (declared type: ", new _DelayedShortClassName(setterType) + ", actual value's type: ", (argArray[0] != null ? (Object) new _DelayedShortClassName(argArray[0].getClass()) : "Null"), "). See cause exception for the more specific cause...");
if (e instanceof IllegalArgumentException && !(setterType.isAssignableFrom(String.class)) && argArray[0] != null && argArray[0] instanceof String) {
desc.tip("This problem is often caused by unnecessary parameter quotation. Paramters " + "aren't quoted in FTL, similarly as they aren't quoted in most languages. " + "For example, these parameter assignments are wrong: ", "<@my.tag p1=\"true\" p2=\"10\" p3=\"${someVariable}\" p4=\"${x+1}\" />", ". The correct form is: ", "<@my.tag p1=true p2=10 p3=someVariable p4=x+1 />", ". Only string literals are quoted (regardless of where they occur): ", "<@my.box style=\"info\" message=\"Hello ${name}!\" width=200 />", ".");
}
throw new _TemplateModelException(e, null, desc);
}
}
}
}
}
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