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From "Simone Tripodi (Issue Comment Edited) (JIRA)" <j...@apache.org>
Subject [jira] [Issue Comment Edited] (SANDBOX-396) [BeanUtils2] Implement clone() on DefaultBeanAccessor
Date Tue, 21 Feb 2012 21:42:50 GMT

    [ https://issues.apache.org/jira/browse/SANDBOX-396?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13212981#comment-13212981
] 

Simone Tripodi edited comment on SANDBOX-396 at 2/21/12 9:42 PM:
-----------------------------------------------------------------

patch looks good, anyway:

{code}
+        @SuppressWarnings( "unchecked" )
+        B clone = (B) bean.getClass().newInstance();
+        DefaultBeanAccessor<B> cloneAccessor = new DefaultBeanAccessor<B>( clone
);
+        cloneAccessor.populate( this.describe() );
+        return clone;
{code}

 * it is a good practice adding a comment that justifies why the unchecked warning can be
suppressed;

 * the {{this.}} prefix can be omitted.

We could even reuse the {{BeanUtils.on( beanType ).newInstance()}} chain that returns a {{BeanAccessor<B>}}
and would help removing the duplicated code.

Can you please apply these modifications and resubmit the patch?
TIA,
-Simo
                
      was (Author: simone.tripodi):
    patch looks good, anyway:

{code}
+        @SuppressWarnings( "unchecked" )
+        B clone = (B) bean.getClass().newInstance();
+        DefaultBeanAccessor<B> cloneAccessor = new DefaultBeanAccessor<B>( clone
);
+        cloneAccessor.populate( this.describe() );
+        return clone;
{code}

 * it is a good practice adding a comment that justifies why the unchecked warning can be
suppressed;

 * the {{this.}} prefix can be omitted.

We could even reuse the {{BeanUtils.on( beanType ).newInstance()}} chain that would help removing
the duplicated code.

Can you please apply these modifications and resubmit the patch?
TIA,
-Simo
                  
> [BeanUtils2] Implement clone() on DefaultBeanAccessor
> -----------------------------------------------------
>
>                 Key: SANDBOX-396
>                 URL: https://issues.apache.org/jira/browse/SANDBOX-396
>             Project: Commons Sandbox
>          Issue Type: Improvement
>          Components: BeanUtils2
>    Affects Versions: Nightly Builds
>            Reporter: Benedikt Ritter
>         Attachments: SANDBOX-396.txt
>
>
> Implement {{clone()}} on DefaultBeanAccessor:
> * create a new instance of the same type as the bean encapsulated by the Accessor
> * create a {{DefaultBeanAccessor}} for the new instance
> * call populate on the new {{DefaultBeanAccessor}} with {{this.describe()}} as argument
> * return the clone

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