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https://issues.apache.org/jira/browse/XMLBEANS-432?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12971243#action_12971243
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Raino Kolk commented on XMLBEANS-432:
-------------------------------------
I added patch for prepost handler. Not perfect but petter than nothing
I introduced new PrePostExtension types
/** Operation code for setting a property with null value. */
int OPERATION_SET_NIL = 4;
/** Operation code for inserting a property with value. */
int OPERATION_INSERT_WVAL = 5;
There are cases vhen object is null but set (or insert) should be executed
Because simple types cant convert themself to Object ( maybe should cast to
object) I have to create some additional hanler methods
public static boolean preSet(int opType, XmlObject xo, QName prop, boolean
isAttr, int index, float value) {
return true;
}
public static boolean preSet(int opType, XmlObject xo, QName prop, boolean
isAttr, int index, long value) {
return true;
}
public static boolean preSet(int opType, XmlObject xo, QName prop, boolean
isAttr, int index, boolean value) {
return true;
}
and most important now i can use object value in preSet
public static boolean preSet(int opType, XmlObject xo, QName prop, boolean
isAttr, int index, Object value) {
if (value == null && (PrePostExtension.OPERATION_SET == opType ||
PrePostExtension.OPERATION_INSERT == opType)) {
return false;
}
return true;
}
> Add the value that will be set to the PrePostSetFeature interface
> -----------------------------------------------------------------
>
> Key: XMLBEANS-432
> URL: https://issues.apache.org/jira/browse/XMLBEANS-432
> Project: XMLBeans
> Issue Type: Improvement
> Components: Compiler
> Environment: All platforms
> Reporter: Tom
> Attachments: xmlbeans.patch
>
>
> The PrePostSetFeature is very useful but the current handler interface lacks
> the value that will be set (especially in the preSet method):
> public static boolean preSet(int opType, XmlObject xo, QName prop,
> boolean isAttr, int index)
> {
> ...
> return true;
> }
> If the value that will be set was passed to the handler it would be possible
> to write handlers that can filter or manipulate the data before it is set.
> This would also allow writing a simple handler that does not set null values,
> what many people would appreciate (according to postings in the forum).
> Therefore I suggest to enhance the interface as follows:
> public static boolean preSet(int opType, XmlObject xo, QName prop,
> boolean isAttr, int index, Object value)
> {
> ...
> return true;
> }
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