Converted the exception to an error message

hoot-core-test/src/test/cpp/hoot/core/util/SettingsTest.cpp

@@ -22,7 +22,7 @@
  * This will properly maintain the copyright information. Maxar
  * copyrights will be updated automatically.
  *
- * @copyright Copyright (C) 2012, 2013, 2015, 2016, 2018, 2019, 2020, 2021, 2022 Maxar (http://www.maxar.com/)
+ * @copyright Copyright (C) 2012, 2013, 2015, 2016, 2018, 2019, 2020, 2021, 2022, 2023 Maxar (http://www.maxar.com/)
  */
 
 // Hoot
@@ -146,19 +146,18 @@ class SettingsTest : public HootTestFixture
 
   void invalidOptionNameTest()
   {
+    QString log;
     QStringList args;
     args.append("-D");
     args.append("blah=true");
-    QString exceptionMsg;
-    try
+    //  Capture the log output in a nested scope
     {
+      CaptureLog capture;
       Settings::parseCommonArguments(args);
+      log = capture.getLogsStripped();
     }
-    catch (const HootException& e)
-    {
-      exceptionMsg = e.what();
-    }
-    HOOT_STR_EQUALS("Unknown settings option: (blah)", exceptionMsg);
+    //  Compare the captured log output
+    HOOT_STR_EQUALS("Skipping unknown settings option: (blah)", log);
   }
 
   void invalidOperatorsTest()

hoot-core/src/main/cpp/hoot/core/util/Log.cpp

@@ -22,7 +22,7 @@
  * This will properly maintain the copyright information. Maxar
  * copyrights will be updated automatically.
  *
- * @copyright Copyright (C) 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 Maxar (http://www.maxar.com/)
+ * @copyright Copyright (C) 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 Maxar (http://www.maxar.com/)
  */
 
 #include "Log.h"
@@ -116,12 +116,13 @@ void Log::log(WarningLevel level, const string& str, const string& filename,
     QDateTime dt = QDateTime::currentDateTime();
 
     // takes the form: "09:34:21.635 WARN  <filename>(<lineNumber>) <str>"
-    cout << beginDecoration(level)
-         << dt.toString("hh:mm:ss.zzz") << " " << setw(6) << left << Log::levelToString(level)
-         << " " << ellipsisStr(filename) << "(" << setw(4) << right << lineNumber << ")" << " "
-         << str
-         << endDecoration()
-         << endl;
+    std::ostream& s = *_stream;
+    s << beginDecoration(level)
+      << dt.toString("hh:mm:ss.zzz") << " " << setw(6) << left << Log::levelToString(level)
+      << " " << ellipsisStr(filename) << "(" << setw(4) << right << lineNumber << ")" << " "
+      << str
+      << endDecoration()
+      << endl;
   }
 }
 
@@ -133,12 +134,13 @@ void Log::progress(WarningLevel level, const string& str, const string& filename
     QDateTime dt = QDateTime::currentDateTime();
 
     // takes the form: "09:34:21.635 WARN  <filename>(<lineNumber>) <str>"
-    cout << beginDecoration(level)
-         << dt.toString("hh:mm:ss.zzz") << " " << setw(6) << left << Log::levelToString(level)
-         << " " << ellipsisStr(filename) << "(" << setw(4) << right << lineNumber << ")" << " "
-         << str << "        \r"
-         << endDecoration()
-         << flush;
+    std::ostream& s = *_stream;
+    s << beginDecoration(level)
+      << dt.toString("hh:mm:ss.zzz") << " " << setw(6) << left << Log::levelToString(level)
+      << " " << ellipsisStr(filename) << "(" << setw(4) << right << lineNumber << ")" << " "
+      << str << "        \r"
+      << endDecoration()
+      << flush;
   }
 }
 
@@ -295,4 +297,16 @@ const char* Log::endDecoration() const
     return "";
 }
 
+QString CaptureLog::getLogsStripped() const
+{
+  static QRegularExpression regex(".*?\\( *\\d+\\) (.*)", QRegularExpression::OptimizeOnFirstUsageOption);
+
+  QString logs = getLogs();
+  QStringList matches;
+  auto match_it = regex.globalMatch(logs);
+  while (match_it.hasNext())
+    matches << match_it.next().captured(1);
+  return matches.join("\n");
+}
+
 }

hoot-core/src/main/cpp/hoot/core/util/Log.h

@@ -22,7 +22,7 @@
  * This will properly maintain the copyright information. Maxar
  * copyrights will be updated automatically.
  *
- * @copyright Copyright (C) 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 Maxar (http://www.maxar.com/)
+ * @copyright Copyright (C) 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 Maxar (http://www.maxar.com/)
  */
 
 #ifndef LOG_H
@@ -36,6 +36,7 @@
 
 // Standard
 #include <deque>
+#include <iostream>
 #include <set>
 #include <string>
 #include <vector>
@@ -128,6 +129,9 @@ class Log
 
   void setDecorateLogs(bool decorate) { _decorateLogs = decorate; }
 
+  std::ostream* getStream() const { return _stream; }
+  void setStream(std::ostream* stream) { _stream = stream; }
+
 private:
 
   WarningLevel _level;
@@ -136,6 +140,9 @@ class Log
   QStringList _excludeClassFilter;
   bool _decorateLogs;
 
+  /** By default all logging goes to std::cout */
+  std::ostream* _stream = &std::cout;
+
   Log();
   /** Default destructor */
   ~Log() = default;
@@ -189,6 +196,35 @@ class DisableLog
   Log::WarningLevel _oldLevel;
 };
 
+class CaptureLog
+{
+public:
+  CaptureLog(Log::WarningLevel level = Log::Error)
+  {
+    Log& log = Log::getInstance();
+    _stream = log.getStream();
+    _level = log.getLevel();
+    log.setLevel(level);
+    log.setStream(&_strstream);
+  }
+
+  ~CaptureLog()
+  {
+    Log& log = Log::getInstance();
+    log.setLevel(_level);
+    log.setStream(_stream);
+  }
+
+  QString getLogs() const { return QString(_strstream.str().c_str()); }
+  QString getLogsStripped() const;
+
+private:
+
+  Log::WarningLevel _level;
+  std::ostream* _stream;
+  std::stringstream _strstream;
+};
+
 // recreate the TGS stream utils within our namespace. I haven't found an elegant way to reliably
 // use operator<< within the Tgs namespace from within hoot. :(
 #include <tgs/StreamUtils.hh>

hoot-core/src/main/cpp/hoot/core/util/Settings.cpp

@@ -22,7 +22,7 @@
  * This will properly maintain the copyright information. Maxar
  * copyrights will be updated automatically.
  *
- * @copyright Copyright (C) 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 Maxar (http://www.maxar.com/)
+ * @copyright Copyright (C) 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 Maxar (http://www.maxar.com/)
  */
 
 #include "Settings.h"
@@ -142,7 +142,10 @@ class JsonLoader
 
       //  Throw an exception for unrecognized keys
       if (!_s->hasKey(optionName))
-        throw IllegalArgumentException("Unknown JSON setting: (" + optionName + ")");
+      {
+        LOG_ERROR("Skipping unknown JSON setting: (" << optionName << ")");
+        continue;
+      }
 
       //  Set key/value pair as name and data, data() turns everything to a string
       const QString optionVal = QString::fromUtf8(element.second.data().c_str());
@@ -636,7 +639,12 @@ void Settings::parseCommonArguments(QStringList& args, const QStringList toIgnor
       LOG_VART(optionVal);
 
       if (!conf().hasKey(optionName))
-        throw IllegalArgumentException("Unknown settings option: (" + optionName + ")");
+      {
+        LOG_ERROR("Skipping unknown settings option: (" << optionName << ")");
+        // move on to the next argument
+        args = args.mid(2);
+        continue;
+      }
 
       const QStringList values = optionVal.split(";", QString::SkipEmptyParts);
       LOG_VART(values);