1 files changed, 44 insertions, 0 deletions
diff --git a/openecomp-be/tools/zusammen-tools/src/main/java/org/openecomp/core/tools/commands/Command.java b/openecomp-be/tools/zusammen-tools/src/main/java/org/openecomp/core/tools/commands/Command.java
new file mode 100644
index 0000000000..b8d1d51bf5
--- /dev/null
+++ b/openecomp-be/tools/zusammen-tools/src/main/java/org/openecomp/core/tools/commands/Command.java
@@ -0,0 +1,44 @@
+package org.openecomp.core.tools.commands;
+
+import org.apache.commons.cli.CommandLine;
+import org.apache.commons.cli.CommandLineParser;
+import org.apache.commons.cli.DefaultParser;
+import org.apache.commons.cli.HelpFormatter;
+import org.apache.commons.cli.Option;
+import org.apache.commons.cli.Options;
+import org.apache.commons.cli.ParseException;
+
+public abstract class Command {
+
+    static final String COMMAND_OPTION = "c";
+    protected final Options options = new Options();
+
+    protected Command() {
+        options.addOption(
+                Option.builder(COMMAND_OPTION).hasArg().argName("command").desc(getCommandName().name()).build());
+    }
+
+    protected CommandLine parseArgs(String[] args) {
+        CommandLineParser parser = new DefaultParser();
+        CommandLine cmd;
+        try {
+            cmd = parser.parse(options, args);
+        } catch (ParseException e) {
+            throw new RuntimeException(e);
+        }
+        return cmd;
+    }
+
+    public void printUsage() {
+        HelpFormatter formater = new HelpFormatter();
+        formater.printHelp("zusammenMainTool", options);
+    }
+
+    public void register(){
+        CommandsHolder.addCommand(this);
+    }
+
+    public abstract boolean execute(String[] args);
+
+    public abstract CommandName getCommandName();
+}