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From "Benedikt Ritter (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SANDBOX-387) [BeanUtils2] Implement possibility to find out if a property readable and/or wirtable
Date Sun, 05 Feb 2012 14:15:53 GMT

    [ https://issues.apache.org/jira/browse/SANDBOX-387?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13200781#comment-13200781
] 

Benedikt Ritter commented on SANDBOX-387:
-----------------------------------------

Please comment on the method names. {{on(myBean).isReadble("someString")}} reads a bit like
"is myBean readable" rather then "is the property of name 'someString' readable".
An alternative could be {{isPropertyReadable(String propertyName)}}.
                
> [BeanUtils2] Implement possibility to find out if a property readable and/or wirtable
> -------------------------------------------------------------------------------------
>
>                 Key: SANDBOX-387
>                 URL: https://issues.apache.org/jira/browse/SANDBOX-387
>             Project: Commons Sandbox
>          Issue Type: Improvement
>          Components: BeanUtils2
>    Affects Versions: Nightly Builds
>            Reporter: Benedikt Ritter
>
> Currently there is no possibility to find out, if a property is readable and/or writable.
> For example, one has to pass a value to {{setProperty(name).withValue(argument)}} and
hope, that the property is writeable (because a {{NoSucheMethodExcpetion}} will be thrown,
if it is not). For this reason it would be nice, if one could do something like:
> {code:java}
> if (on(myBean).isWritable("writeableProperty") {
>     on(myBean).setProperty("writableProperty").withValue("This is a String value!");
> }
> {code}
> Solution:
> * Add {{public boolean isWritable(String propertyName)}} and {{public boolean isReadable(String
propertyName)}} to {{BeanAccessor}}.
> * in {{isWritable()}} check if a {{PropertyDescriptor}} can be obtained from PropertyRegistry
(if not, throw {{NoSuchMethodException}}).
> ** if so, return true, if {{propertyDescriptor.getWriteMethod() != null}} and false otherwise.
> * in {{isReadable()}} check if a {{PropertyDescriptor}} can be obtained from PropertyRegistry
(if not, throw {{NoSuchMethodException}}).
> ** if so, return true, if {{propertyDescriptor.getReadMethod() != null}} and false otherwise.

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