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Cannot Be Cast To Ognl.typeconverter

The complete language reference can be found in the section Language Reference. In the former case the selection criteria is evaluated against each individual list element whilst against a map the selection criteria is evaluated against each map entry (objects of the Java For JSP Tags, use the iterator tag's status attribute. The framework supports ways to discover the object type for elements in a collection. have a peek here

Unfortunately, the exception is exactly as before.(In practice, it would not have been a good idea to put the autoLogininterceptor after the prepare interceptor, but I am definitely willing totry anything!)2008/6/26 Not the answer you're looking for? It recognizes well-known collection interfaces (List, Set, Map, etc) but cannot instantiate MyCustomInterface when all it sees is the interface. propertyId -setPropertyId15:22:37,875 DEBUG XWorkConverter:58 - propertyId:propertyId15:22:37,906 DEBUG XWorkConverter:58 -propertyId:[email protected]odFailedException: Method "setPropertyId" failed for [email protected]3bed9[java.lang.ClassCastException:[Ljava.lang.String; cannot be cast tojava.lang.Integer]at ognl.OgnlRuntime.callAppropriateMethod(OgnlRuntime.java:823)at ognl.OgnlRuntime.setMethodValue(OgnlRuntime.java:964)atognl.ObjectPropertyAccessor.setPossibleProperty(ObjectPropertyAccessor.java:75)atognl.ObjectPropertyAccessor.setProperty(ObjectPropertyAccessor.java:131)atcom.opensymphony.xwork2.ognl.accessor.ObjectAccessor.setProperty(ObjectAccessor.java:27)at ognl.OgnlRuntime.setProperty(OgnlRuntime.java:1656)atcom.opensymphony.xwork2.ognl.accessor.CompoundRootAccessor.setProperty(CompoundRootAccessor.java:59)at ognl.OgnlRuntime.setProperty(OgnlRuntime.java:1656)at ognl.ASTProperty.setValueBody(ASTProperty.java:101)at ognl.SimpleNode.evaluateSetValueBody(SimpleNode.java:177)at ognl.SimpleNode.setValue(SimpleNode.java:246)at ognl.Ognl.setValue(Ognl.java:476)at com.opensymphony.xwork2.ognl.OgnlUtil.setValue(OgnlUtil.java:197)atcom.opensymphony.xwork2.ognl.OgnlValueStack.setValue(OgnlValueStack.java:150)atcom.opensymphony.xwork2.ognl.OgnlValueStack.setValue(OgnlValueStack.java:138)atcom.opensymphony.xwork2.interceptor.ParametersInterceptor.setParameters(ParametersInterceptor.java:205)atcom.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:162)... http://stackoverflow.com/questions/1644340/multiple-field-ognl-type-converter

Using projection: // returns [ 'Smiljan', 'Idvor' ] List placesOfBirth = (List)parser.parseExpression("Members.![placeOfBirth.city]"); A map can also be used to drive projection and in this case the projection expression is evaluated against asked 5 years ago viewed 4004 times active 5 years ago Related 0Multiple field ognl type converter0Underscore in OGNL expression not working1Using   within OGNL is being displayed as   and If the action's package is com.myapp.actions the conversion file should also be in the classpath at /com/myapp/actions/.

Sometime later it may generate another compiled form and switch to it. java struts2 ognl share|improve this question edited Nov 3 '09 at 10:43 asked Oct 29 '09 at 15:00 Gareth Davis 20.9k95895 add a comment| 2 Answers 2 active oldest votes up But if Pierre Thibaudeau at Jun 26, 2008 at 10:05 pm ⇧ 2008/6/26 Chris Pratt :How does your case differ from the example on the Type Conversion pageyou referenced? Does The Amazing Lightspeed Horse work, RAW?

SpEL and the conversion service will // correctly recognize that it needs to be a Boolean and convert it parser.parseExpression("booleanList[0]").setValue(simpleContext, "false"); // b will be false Boolean b = simple.booleanList.get(0); 7.4Expression Other mathematical operators supported are modulus (%) and exponential power (^). For example, selection would allow us to easily get a list of Serbian inventors: List list = (List) parser.parseExpression( "Members.?[Nationality == 'Serbian']").getValue(societyContext); Selection is possible upon both lists and maps. Wait...

Inventor tesla = new Inventor("Nikola Tesla", c.getTime(), "Serbian"); ExpressionParser parser = new SpelExpressionParser(); Expression exp = parser.parseExpression("name"); String name = (String) exp.getValue(tesla); In this case the inventor tesla has been supplied We will extend this class for custom type converter. ExpressionParser parser = new SpelExpressionParser(); Expression exp = parser.parseExpression("'Hello World'"); String message = (String) exp.getValue(); The value of the message variable is simply 'Hello World'. XWork will automatically handle the most common type conversion for you.

Their use is demonstrated below. // -- AND -- // evaluates to false boolean falseValue = parser.parseExpression("true and false").getValue(Boolean.class); // evaluates to true String expression = "isMember('Nikola Tesla') and isMember('Mihajlo Pupin')"; http://grokbase.com/t/struts/user/086t3tssed/s2-typeconversion-and-generics The framework ships with a base helper class that simplifies converting to and from Strings, org.apache.struts2.util.StrutsTypeConverter. The List does not have null values added for unavailable id values. It is important to know that none of these errors are actually reported directly.

We recommend upgrading to the latest Safari, Google Chrome, or Firefox. navigate here If a converter requires configuration you can plug in an Injector interface to the DefaultTypeConverter which can construct and inject converter objects via Spring or Guice.We have most of the common Within the conversion file, name the action's property and the Converter to apply to it: # syntax: = point = com.acme.PointConverter person.phoneNumber = com.acme.PhoneNumberConverter Type conversion can also be Static methods are invoked using this operator as well.

This is the same mechanism as used for actions. ExpressionParser parser = new SpelExpressionParser(); Expression exp = parser.parseExpression("'Hello World'"); String message = (String) exp.getValue();The value of the message variable is simply 'Hello World'. As an example of method invocation, we call the concat method on the string literal. http://electrictricycle.net/cannot-be/cannot-be-cast.html Newton's second law for individual forces Can I get a dual entry Schengen visa for tourism purpose for me and my wife?

Applying a Type Converter to a bean or model When getting or setting the property of a bean, the framework will look for "classname-conversion.properties" in the same location of the classpath Generally, all you need to do is ensure that HTML inputs have names that can be used in OGNL expressions. (HTML inputs are form elements and other GET/POST parameters.) 1 Built Logical operators The logical operators that are supported are and, or, and not.

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Interfaces The framework cannot instantiate an object if it can't determine an appropriate implementation. Player claims their wizard character knows everything (from books). ExpressionParser parser = new SpelExpressionParser(); Inventor tesla = new Inventor("Nikola Tesla", "Serbian"); tesla.setPlaceOfBirth(new PlaceOfBirth("Smiljan")); StandardEvaluationContext context = new StandardEvaluationContext(tesla); String city = parser.parseExpression("PlaceOfBirth?.City").getValue(context, String.class); System.out.println(city); // Smiljan tesla.setPlaceOfBirth(null); city = parser.parseExpression("PlaceOfBirth?.City").getValue(context, Inventor einstein = p.parseExpression( "new org.spring.samples.spel.inventor.Inventor('Albert Einstein', 'German')") .getValue(Inventor.class); //create new inventor instance within add method of List p.parseExpression( "Members.add(new org.spring.samples.spel.inventor.Inventor( 'Albert Einstein', 'German'))").getValue(societyContext); 10.5.11Variables Variables can be referenced in the

In this case, because keys for the Officers map are strings, we can specify string literals. // Officer's Dictionary Inventor pupin = parser.parseExpression("Officers['president']").getValue( societyContext, Inventor.class); // evaluates to "Idvor" String city Sign in to comment Contact GitHub API Training Shop Blog About © 2016 GitHub, Inc. From WebWork 2.1.x, the Collection_xxx format is still supported and honored, although it is deprecated and will be removed eventually. this contact form By default, the property of the element of the collection is determined in Class-conversion.properties using KeyProperty_xxx=yyy, where xxx is the property of the bean Class that returns the collection and yyy

an XML document). All other marks mentioned may be trademarks or registered trademarks of their respective owners. At the time of writing, a blank string also cannot be set on a BigDecimal or BigInteger. This tells Camel to go scan those packages for any classes that has been annotated with the @Converter.Improved TypeConverter by using FQN class namesAvailable as of Camel 2.8 In Camel 2.8

What now? capture[id] = 213 capture[description] = DescriptionText Nope that doesn't seem make any difference at all. public abstract class StringUtils { public static String reverseString(String input) { StringBuilder backwards = new StringBuilder(); for (int i = 0; i < input.length(); i++) backwards.append(input.charAt(input.length() - 1 - i)); } For example, if indexing into an array or collection and the element at the specified index is null it is possible to automatically create the element.