org.apache.cxf.jaxws.interceptors.SwAOutInterceptor:197 | Unreachable Code
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Key: CXF-1665
URL: https://issues.apache.org/jira/browse/CXF-1665
Project: CXF
Issue Type: Bug
Components: Core
Affects Versions: 2.1.1
Environment: This is a coding error which will manifest itself on
every platform.
Reporter: Radu Manolescu
Priority: Minor
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
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