Logging Interceptor with pretty formatting
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Key: CXF-1327
URL: https://issues.apache.org/jira/browse/CXF-1327
Project: CXF
Issue Type: Wish
Components: Tooling
Reporter: Davide Gesino
Priority: Trivial
LoggingInIterceptor and LoggingOutInterceptor are really useful, but sometimes
it is difficult to read the SOAP messages without having a "pretty" identation,
I would a LOG that outputs a nice formatted string with XML identation.
Modifying the LoggingOutInterceptor something similar to the example I paste in
the following, obtained modifying the LoggingOutInterceptor.
I hav not included the length limit and used the jdom api instead of stax.
:
public class PrettyLoggingOutInterceptor extends AbstractPhaseInterceptor {
private final Log LOG = LogFactory
.getLog(PrettyLoggingOutInterceptor.class);
private SAXBuilder saxBuilder = new SAXBuilder();
private XMLOutputter xmlOutputter = new XMLOutputter();
public PrettyLoggingOutInterceptor() {
super(Phase.PRE_STREAM);
addBefore(StaxOutInterceptor.class.getName());
}
public void handleMessage(Message message) throws Fault {
final OutputStream os = message.getContent(OutputStream.class);
if (os == null) {
return;
}
if (!LOG.isInfoEnabled()) {
return;
}
// Write the output while caching it for the log message
final CacheAndWriteOutputStream newOut = new
CacheAndWriteOutputStream( os);
message.setContent(OutputStream.class, newOut);
newOut.registerCallback(new LoggingCallback());
}
class LoggingCallback implements CachedOutputStreamCallback {
public void onFlush(CachedOutputStream cos) {
}
public void onClose(CachedOutputStream cos) {
try {
Document jdoCument =
saxBuilder.build(cos.getInputStream());
xmlOutputter.setFormat(Format.getPrettyFormat());
StringWriter writer = new StringWriter();
xmlOutputter.output(jdoCument, writer);
LOG.info(writer.getBuffer().toString());
} catch (Exception e) {
LOG.error("fatal parsing the SOAP message");
LOG.error(e);
}
}
}
}
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