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From "Alexei Zakharov (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-5675) [classlib][beans] Introspector unable to determine set method correctly
Date Wed, 09 Apr 2008 16:27:24 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-5675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12587256#action_12587256
] 

Alexei Zakharov commented on HARMONY-5675:
------------------------------------------

I tend to agree that smaller is better. In general. However, my patch fixes not only the issue
reported here. It is more like a "compatibility pack" for introspector. While investigating
our StandardBeanInfo implementation I've realized that it is incompatible with RI on many
patterns, not only on the pattern described above. So I extended IntrospectorTest with about
10 new test cases to ensure all of such patterns are convered, and we won't run into the same
issue in the future. 

> [classlib][beans] Introspector unable to determine set method correctly
> -----------------------------------------------------------------------
>
>                 Key: HARMONY-5675
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5675
>             Project: Harmony
>          Issue Type: Sub-task
>          Components: App-Oriented Bug Reports, Classlib
>         Environment: Debian Linux 32
>            Reporter: Alexei Zakharov
>            Assignee: Alexei Zakharov
>         Attachments: Harmony-5675.diff
>
>
> In some tricky situations java.beans.Introspector is unable to determine bean's set method
correctly. Please see the test case below.
> IntrospectorTest.java
> --- 
> import java.beans.*;
> import java.io.*;
> public class IntrospectorTest {
>     public static void main(String argv[]) throws Exception {
>         BeanInfo bInfo = Introspector.getBeanInfo(TstBean.class);
>         int n = 0;
>         for (PropertyDescriptor desc: bInfo.getPropertyDescriptors()) {
>             System.out.println(" " + desc.getName() + " " +
>                     desc.getReadMethod() + " " +
>                     desc.getWriteMethod());
>             n++;
>         }
>         System.out.println("TOTAL: " + n + " properties");
>     }
> }
> class TstBean {
>     public void setProp1(String uri)
>     {
>     }
>     public void setProp1(Integer i)
>     {
>     }
>     public Integer getProp1()
>     {
>         return null;
>     }
> }
> This issue prevents Confluence from loading successfully on Harmony.

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