processOperator breaks contract - never throws IOException
----------------------------------------------------------
Key: PDFBOX-877
URL: https://issues.apache.org/jira/browse/PDFBOX-877
Project: PDFBox
Issue Type: Bug
Affects Versions: 1.1.0
Reporter: Jimmy Juncker
PDFStreamEngine.processOperator documents to throw IOException. However, all
Exceptions are swallowed (in a catch Exception clause) which makes it
impossible for us to handle:
/**
* This is used to handle an operation.
*
* @param operator The operation to perform.
* @param arguments The list of arguments.
*
* @throws IOException If there is an error processing the operation.
*/
protected void processOperator( PDFOperator operator, List arguments )
throws IOException
{
try
{
String operation = operator.getOperation();
OperatorProcessor processor = (OperatorProcessor)operators.get(
operation );
if( processor != null )
{
processor.setContext(this);
processor.process( operator, arguments );
}
else
{
if (!unsupportedOperators.contains(operation))
{
log.info("unsupported/disabled operation: " + operation);
unsupportedOperators.add(operation);
}
}
}
catch (Exception e)
{
log.warn(e, e);
}
}
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