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Posted to dev@xmlbeans.apache.org by "Luke Peters (JIRA)" <xm...@xml.apache.org> on 2006/03/29 16:39:40 UTC

[jira] Created: (XMLBEANS-258) Calling SchemaType.isSkippedAnonymousType() can throw a NPE

Calling SchemaType.isSkippedAnonymousType() can throw a NPE
-----------------------------------------------------------

         Key: XMLBEANS-258
         URL: http://issues.apache.org/jira/browse/XMLBEANS-258
     Project: XMLBeans
        Type: Bug
  Components: XmlObject  
    Versions: Version 2.1    
 Environment: Java 1.5, Windows XP
    Reporter: Luke Peters
     Fix For: Version 2.1


If isSkippedAnonymousType()  is called on a SchemaType instance that does not have _outerSchemaTypeRef set, then a NPE will be thrown. Example:

  MyXmlBean myBean = MyXmlBean.Factory.newInstance();
  boolean isSkipped = myBean.schemaType().isSkippedAnonymousType();  <- throws a NPE

It seems that it should return false in this instance, rather than throw an exception. All this needs to fix is to add a null check. I'm not sure which versions exactly are effected, but it is an issue in 2.1.

Current code:

    public boolean isSkippedAnonymousType()
        { return  _outerSchemaTypeRef.get().getBaseType() == this ||
                _outerSchemaTypeRef.get().getContentBasedOnType() == this; }

Potential fix:

    public boolean isSkippedAnonymousType()
        { return _outerSchemaTypeRef == null ? false : _outerSchemaTypeRef.get().getBaseType() == this ||
                _outerSchemaTypeRef.get().getContentBasedOnType() == this; }

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[jira] Resolved: (XMLBEANS-258) Calling SchemaType.isSkippedAnonymousType() can throw a NPE

Posted by "Luke Peters (JIRA)" <xm...@xml.apache.org>.
     [ http://issues.apache.org/jira/browse/XMLBEANS-258?page=all ]
     
Luke Peters resolved XMLBEANS-258:
----------------------------------

    Fix Version:     (was: Version 2.1)
     Resolution: Duplicate

Duplicate of 260

> Calling SchemaType.isSkippedAnonymousType() can throw a NPE
> -----------------------------------------------------------
>
>          Key: XMLBEANS-258
>          URL: http://issues.apache.org/jira/browse/XMLBEANS-258
>      Project: XMLBeans
>         Type: Bug
>   Components: XmlObject
>     Versions: Version 2.1
>  Environment: Java 1.5, Windows XP
>     Reporter: Luke Peters

>
> If isSkippedAnonymousType()  is called on a SchemaType instance that does not have _outerSchemaTypeRef set, then a NPE will be thrown. Example:
>   MyXmlBean myBean = MyXmlBean.Factory.newInstance();
>   boolean isSkipped = myBean.schemaType().isSkippedAnonymousType();  <- throws a NPE
> It seems that it should return false in this instance, rather than throw an exception. All this needs to fix is to add a null check. I'm not sure which versions exactly are effected, but it is an issue in 2.1.
> Current code:
>     public boolean isSkippedAnonymousType()
>         { return  _outerSchemaTypeRef.get().getBaseType() == this ||
>                 _outerSchemaTypeRef.get().getContentBasedOnType() == this; }
> Potential fix:
>     public boolean isSkippedAnonymousType()
>         { return _outerSchemaTypeRef == null ? false : _outerSchemaTypeRef.get().getBaseType() == this ||
>                 _outerSchemaTypeRef.get().getContentBasedOnType() == this; }

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