Examples of org.apache.tapestry5.plastic.InstructionBuilder.throwException()

Class org.apache.tapestry5.plastic.InstructionBuilder

Examples of org.apache.tapestry5.plastic.InstructionBuilder.throwException()

org.apache.tapestry5.plastic.InstructionBuilder.throwException()
Throws an exception with a fixed message. Assumes the exception class includes a constructor that takes a single string. @param className name of exception class to instantiate @param message message (passed as first and only parameter to constructor)

        {
            InstructionBuilder builder = newMethod("setReturnValue", MethodInvocation.class, Object.class);


            if (isVoid)
            {
                builder.throwException(IllegalArgumentException.class, String
                        .format("Method %s of class %s is void, setting a return value is not allowed.", description,
                                className));
            }
            else
            {

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                            public void doBuild(InstructionBuilder builder)
                            {
                                builder.loadVariable(invocation).loadTypeConstant(Exception.class);
                                builder.invokeVirtual(invocationClassName, Throwable.class.getName(),
                                        "getCheckedException", Class.class.getName());
                                builder.throwException();
                            }
                        });
                    }


                    if (!isVoid)

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