Added list_errors command.

src/main/java/nl/andrewlalis/Main.java

@@ -2,10 +2,7 @@ package nl.andrewlalis;
 
 import nl.andrewlalis.model.Organization;
 import nl.andrewlalis.ui.control.command.CommandExecutor;
-import nl.andrewlalis.ui.control.command.executables.ArchiveRepos;
+import nl.andrewlalis.ui.control.command.executables.*;
-import nl.andrewlalis.ui.control.command.executables.DefineTaTeams;
-import nl.andrewlalis.ui.control.command.executables.GenerateAssignmentsRepo;
-import nl.andrewlalis.ui.control.command.executables.ReadStudentsFile;
 import nl.andrewlalis.ui.view.InitializerApp;
 import nl.andrewlalis.util.CommandLine;
 import nl.andrewlalis.util.Logging;
@@ -40,10 +37,11 @@ public class Main {
         app.setAccessToken(userOptions.get("token"));
 
         // Initialize executable commands.
-        executor.registerCommand("read_students", new ReadStudentsFile(InitializerApp.organization));
+        executor.registerCommand("read_students", new ReadStudentsFile());
         executor.registerCommand("archive_all", new ArchiveRepos());
         executor.registerCommand("generate_assignments", new GenerateAssignmentsRepo());
         executor.registerCommand("define_ta_teams", new DefineTaTeams(app));
+        executor.registerCommand("list_errors", new ListErrors());
 
         logger.info("GithubManager for Github Repositories in Educational Organizations.\n" +
                 "© Andrew Lalis (2018), All rights reserved.\n" +

src/main/java/nl/andrewlalis/ui/control/command/executables/ArchiveRepos.java

@@ -2,8 +2,6 @@ package nl.andrewlalis.ui.control.command.executables;
 
 import nl.andrewlalis.git_api.GithubManager;
 
-import java.io.IOException;
-
 /**
  * Represents the action archive all repositories with a certain substring in their name.
  * It takes the following arguments:
@@ -17,12 +15,7 @@ public class ArchiveRepos extends GithubExecutable {
         if (args.length < 1) {
             return false;
         }
-        try {
         manager.archiveAllRepositories(args[0]);
         return true;
-        } catch (IOException e) {
-            e.printStackTrace();
-            return false;
-        }
     }
 }

src/main/java/nl/andrewlalis/ui/control/command/executables/ListErrors.java

@@ -0,0 +1,32 @@
+package nl.andrewlalis.ui.control.command.executables;
+
+import nl.andrewlalis.model.error.Error;
+import nl.andrewlalis.ui.control.command.Executable;
+import nl.andrewlalis.ui.view.InitializerApp;
+
+import java.util.logging.Logger;
+
+/**
+ * This executable lists all errors that have occurred so far in the runtime of the program, and have not been resolved.
+ */
+public class ListErrors implements Executable {
+
+    /**
+     * The logger for outputting debug info.
+     */
+    private static final Logger logger = Logger.getLogger(ListErrors.class.getName());
+    static {
+        logger.setParent(Logger.getGlobal());
+    }
+
+    @Override
+    public boolean execute(String[] args) {
+        StringBuilder sb = new StringBuilder("Runtime Errors:\n");
+        for (Error error : InitializerApp.organization.getErrors()) {
+            sb.append(error);
+        }
+        logger.info(sb.toString());
+        return true;
+    }
+
+}