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Date: Thu, 14 Sep 2006 22:28:25 -0700 (PDT)
From: "Vladimir Ivanov (JIRA)" <jira@apache.org>
To: harmony-commits@incubator.apache.org
Subject: [jira] Commented: (HARMONY-1435) [classlib][beans] no
 IntrospectionException for PropertyDescriptor("a", Class.class)
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    [ http://issues.apache.org/jira/browse/HARMONY-1435?page=comments#action_12434890 ] 
            
Vladimir Ivanov commented on HARMONY-1435:
------------------------------------------

One more comments, the problem with Harmony implementation of BeanInfo that it can not add infomation for setter method without getter and vice versa. Seems, that RI allows it

> [classlib][beans] no IntrospectionException for PropertyDescriptor("a", Class.class)
> ------------------------------------------------------------------------------------
>
>                 Key: HARMONY-1435
>                 URL: http://issues.apache.org/jira/browse/HARMONY-1435
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: Vladimir Ivanov
>         Assigned To: Stepan Mishura
>         Attachments: PropertyDescriptor.patch
>
>
> The spec says for java.beans.PropertyDescriptor(String propertyName, Class<?> beanClass): "Constructs a PropertyDescriptor for a property that follows the standard Java convention by having getFoo and setFoo accessor methods". The RI checks convention while Harmony not.
> ====================== test.java ====================
> import java.beans.PropertyDescriptor;
> public class test {
>     public static void main(String[] args) throws Exception {
>         System.out.println("res = " + new PropertyDescriptor("a", Class.class));
>     }
> }
> =================================================
> Output:
> C:\tmp\tmp17>C:\jrockit-jdk1.5.0-windows-ia32\bin\java.exe -cp . -showversion test
> java version "1.5.0"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-b64)
> BEA WebLogic JRockit(R) (build dra-38972-20041208-2001-win-ia32, R25.0.0-75, GC: System optimized over throughput (initial strategy singleparpar))
> java.beans.IntrospectionException: Method not found: isA
>         at java.beans.PropertyDescriptor.<init>(PropertyDescriptor.java:89)
>         at java.beans.PropertyDescriptor.<init>(PropertyDescriptor.java:53)
>         at test.main(test.java:5)
> C:\tmp\tmp17>C:\harmony\classlib1.5\deploy\jdk\jre\bin\java.exe -cp . test
> res = java.beans.PropertyDescriptor@56a656a6
> C:\tmp\tmp17>C:\harmony\drlvm1.5\build\win_ia32_msvc_debug\deploy\jre\bin\java -Dvm.assert_dialog=false -cp . -showversion test
> Apache Harmony Launcher : (c) Copyright 1991, 2006 The Apache Software Foundation or its licensors, as applicable.
> java version "1.5.0"
> pre-alpha : not complete or compatible
> svn = r442078, (Sep 11 2006), Windows/ia32/msvc 1310, debug build
> http://incubator.apache.org/harmony
> res = java.beans.PropertyDescriptor@6c

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