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Posted to dev@commons.apache.org by bu...@apache.org on 2005/12/07 21:07:12 UTC
DO NOT REPLY [Bug 37825] New: -
[beanutils] Preserving DynaBean Property Ordering
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http://issues.apache.org/bugzilla/show_bug.cgi?id=37825
Summary: [beanutils] Preserving DynaBean Property Ordering
Product: Commons
Version: unspecified
Platform: All
URL: http://displaytag.sourceforge.net
OS/Version: All
Status: NEW
Severity: enhancement
Priority: P5
Component: Bean Utilities
AssignedTo: commons-dev@jakarta.apache.org
ReportedBy: fick@fgm.com
The order of properties is not preserved when using the beanutils to fetch
properties from a DynaBean. Since DynaBeans use an array to define properties
it is natural desire to use the order of this array to do things with a
DynaBean. With a 2 line patch to BeanUtilsBean.java, it can be made to return
a LinkedHashMap for DynaBean properties which preserves the ordering of these
properties.
This patch is particularly usefull if you are using the <display> tag to
display DynaBeans. Several people have suggested a patch like this on the
<display> tag mailing list.
*** BeanUtilsBean.java
--- BeanUtilsBean.java.ordered
***************
*** 26,31 ****
--- 26,32 ----
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
+ import java.util.LinkedHashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.WeakHashMap;
***************
*** 487,493 ****
log.debug("Describing bean: " + bean.getClass().getName());
}
! Map description = new HashMap();
if (bean instanceof DynaBean) {
DynaProperty descriptors[] =
((DynaBean) bean).getDynaClass().getDynaProperties();
--- 488,494 ----
log.debug("Describing bean: " + bean.getClass().getName());
}
! Map description = new LinkedHashMap();
if (bean instanceof DynaBean) {
DynaProperty descriptors[] =
((DynaBean) bean).getDynaClass().getDynaProperties();
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