Print stacktraces on error with debug level >= debug

atextor · Aug 18, 2021 · e9f4f72 · e9f4f72
1 parent 0910df6
commit e9f4f72
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Showing 2 changed files with 14 additions and 5 deletions.
diff --git a/cli/src/main/java/de/atextor/owlcli/LoggingMixin.java b/cli/src/main/java/de/atextor/owlcli/LoggingMixin.java
@@ -54,7 +54,7 @@ public boolean[] getVerbosity() {
         return getTopLevelCommandLoggingMixin( mixee ).verbosity;
     }
 
-    private Level calcLogLevel() {
+    public Level calcLogLevel() {
         return switch ( getVerbosity().length ) {
             case 0:
                 yield Level.WARN;

diff --git a/cli/src/main/java/de/atextor/owlcli/OWLCLI.java b/cli/src/main/java/de/atextor/owlcli/OWLCLI.java
@@ -16,6 +16,7 @@
 
 package de.atextor.owlcli;
 
+import ch.qos.logback.classic.Level;
 import io.vavr.collection.List;
 import org.apache.jena.sys.JenaSystem;
 import org.slf4j.Logger;
@@ -42,19 +43,27 @@ public class OWLCLI implements Runnable {
 
     private static final Logger LOG = LoggerFactory.getLogger( OWLCLI.class );
 
+    private static void printError( final CommandLine commandLine, final Exception exception ) {
+        final Level logLevel = ( (LoggingMixin) commandLine.getMixins().values().iterator().next() ).calcLogLevel();
+        if ( logLevel.equals( Level.DEBUG ) || logLevel.equals( Level.TRACE ) ) {
+            LOG.debug( exception.getMessage(), exception );
+        } else {
+            final PrintWriter writer = commandLine.getErr();
+            writer.println( "Error: " + exception.getMessage() );
+        }
+    }
+
     private static final CommandLine.IParameterExceptionHandler PARAMETER_EXCEPTION_HANDLER =
         ( exception, args ) -> {
             final CommandLine cmd = exception.getCommandLine();
-            final PrintWriter writer = cmd.getErr();
-            writer.println( "Error: " + exception.getMessage() );
+            printError( cmd, exception );
             cmd.getErr().println( cmd.getHelp().fullSynopsis() );
             return 1;
         };
 
     private static final CommandLine.IExecutionExceptionHandler EXECUTION_EXCEPTION_HANDLER =
         ( exception, commandLine, parseResult ) -> {
-            final PrintWriter writer = commandLine.getErr();
-            writer.println( "Error: " + exception.getMessage() );
+            printError( commandLine, exception );
             return 1;
         };