[ http://issues.apache.org/jira/browse/BEANUTILS-214?page=all ]
Niall Pemberton updated BEANUTILS-214:
--------------------------------------
Bugzilla Id: (was: 37825)
Component/s: DynaBean
> [beanutils] Preserving DynaBean Property Ordering
> -------------------------------------------------
>
> Key: BEANUTILS-214
> URL: http://issues.apache.org/jira/browse/BEANUTILS-214
> Project: Commons BeanUtils
> Issue Type: Improvement
> Components: DynaBean
> Environment: Operating System: All
> Platform: All
> Reporter: Martin Fick
> Priority: Minor
>
> 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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