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https://issues.apache.org/jira/browse/BEANUTILS-328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12658497#action_12658497
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joel truher commented on BEANUTILS-328:
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I also noticed this today.
My issue is related but not identical: I want to convert String to byte[], but
if the destination type is an (any) array, I get the array behavior.
delegating the entire src and dest to the converter, as suggested here, would
solve the issue.
> String[ ] to scalar undesired behavior at BeanUtilsBean causes limitations on
> designing custom Converters
> ---------------------------------------------------------------------------------------------------------
>
> Key: BEANUTILS-328
> URL: https://issues.apache.org/jira/browse/BEANUTILS-328
> Project: Commons BeanUtils
> Issue Type: Bug
> Environment: Java 1.6, BeanUtils 1.8.
> Reporter: Fábio Miranda
> Priority: Minor
>
> Say you have an array entry that must be converted to a scalar property. A
> very very simple example could be:
> String[] dateparams = new String[] { "10/10/2000", "10:00" };
> map.put("date", dateparams);
> BeanUtils.populate(object, map);
> So, you have a custom converter that should receive that array and perform
> the appropriate conversions.
> Everything would be ok, except the fact BeanUtilsBean, when populating scalar
> values, ignores all array values except first, as demonstrated by the
> following BeanUtilsBean's code:
> // Value into scalar
> if ((value instanceof String) || (value == null)) {
> newValue = getConvertUtils().convert((String) value, type);
> } else if (value instanceof String[]) {
> // HERE
> newValue = getConvertUtils().convert(((String[]) value)[0],
> type);
> } else {
> newValue = convert(value, type);
> }
> It limitates ConvertUtils power on some complex conversion designs. In think
> the code should be corrected to
> newValue = getConvertUtils().convert(((String[]) value), type);
> and array logic should be delegated to the converters.
> Thanks in advance,
> Fábio.
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