Yea, that looks like dead code to me as well.

Feel free to log a JIRA with a patch. It would be great if you want to add byte[] support as well. :-)

Dan


On Jun 23, 2008, at 4:56 PM, Manolescu, Radu (IT) wrote:

1. In my opinion, the code at
org.apache.cxf.jaxws.interceptors.SwAOutInterceptor:197 is unreachable.
2. Why does this interceptor support only Source/Image/DataHandler? I
have a byte[] as a SOAP attachment, and this throws an exception at line
195.

How can we handle a byte[] as a SOAP attachment using CXF SwA?


Examine the code fragment below to see that line 197 is unreachable:
On line 148, dh=null.
Then we test the object o for its data type, in a series of if/elseif
clauses.
There are two possibilities for the object o:
1. o instanceof Source / Image / DataHandler
2. all other situations

In situation 1, execution will enter the blocks after lines 151, or 155,
or 182, then continue from line 202.
In situation 2, execution will not enter any of the blocks after lines
151, or 155, or 182. As a result, dh is still null when we reach line
194, and a Fault is thrown.
Either way, execution cannot reach line 197.

package org.apache.cxf.jaxws.interceptors;
public class SwAOutInterceptor extends AbstractSoapInterceptor {
           DataHandler dh = null; // LINE 148
           if (o instanceof Source) { // LINE 151
               dh = new DataHandler(createDataSource((Source)o, ct));

           } else if (o instanceof Image) { // LINE 155
               dh = new DataHandler(new
ByteArrayDataSource(bos.toByteArray(), ct));
           } else if (o instanceof DataHandler) { // LINE 182
               dh = (DataHandler) o;
           } else if (dh == null) { // LINE 194
               throw new Fault(...);
} else if (dh.getDataSource() instanceof URLDataSource) { //
<========== LINE 197: UNREACHABLE
               URLDataSource ds = (URLDataSource)dh.getDataSource();
               dh = new DataHandler(ds.getURL());
               ct = ds.getContentType();
           } // LINE 201



Radu Manolescu
Morgan Stanley | Technology
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Phone: +1 914 225-5871
Mobile: +1 203 648-6964
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Daniel Kulp
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http://www.dankulp.com/blog




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