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Hi guys, I just ran into a strange situation where binding empty values on indexed properties. I have some properties on my bean: someObject.someChildren[0].field1 someObject.someChildren[0].field2 where someChildren is a List. None of them (field1 and field2) are mandatory so I want them to be set to empty/null/whatever when there is no input in a corresponding: <s:text name="someObject.someChildren[0].field1"/> <s:text name="someObject.someChildren[0].field2"/> This doesn't work at all, but this seems to work great: <s:text name="someObject.someChildren.0.field1"/> <s:text name="someObject.someChildren.0.field2"/> After cracking my head for a couple of hours, I realized that the problem is here (DefaultActionBeanPropertyBinder.java): protected void validateRequiredFields(Map<ParameterName, String[]> parameters, ActionBean bean, ValidationErrors errors) { //something........ // Now the easy work is done, figure out which rows of indexed props had values submitted // and what to flag up as failing required field validation if (indexedParams.size() > 0) { //something........ for (Row row : rows.values()) { if (row.hasNonEmptyValues()) { //something........ } else { // If the row is full of empty data, get rid of it all to // prevent problems in downstream validation //MY COMMENT: WHY???? for (ParameterName name : row.keySet()) { parameters.remove(name); } } } } } Any clue why this is really necessary? Thanks in advance, Cosmin |
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