Add dicore3-command

1 files changed, 35 insertions, 0 deletions

diff --git a/dicore3/command/src/main/java/io/dico/dicore/command/annotation/CommandAnnotationUtils.java b/dicore3/command/src/main/java/io/dico/dicore/command/annotation/CommandAnnotationUtils.java
new file mode 100644
index 0000000..868884c
--- /dev/null
+++ b/dicore3/command/src/main/java/io/dico/dicore/command/annotation/CommandAnnotationUtils.java
@@ -0,0 +1,35 @@
+package io.dico.dicore.command.annotation;
+
+public class CommandAnnotationUtils {
+
+    /**
+     * Get the short description from a {@link Desc} annotation.
+     * If {@link Desc#shortVersion()} is given, returns that.
+     * Otherwise, returns the first element of {@link Desc#value()}
+     * If neither is available, returns null.
+     *
+     * @param desc the annotation
+     * @return the short description
+     */
+    public static String getShortDescription(Desc desc) {
+        String descString;
+        if (desc == null) {
+            descString = null;
+        } else if (!desc.shortVersion().isEmpty()) {
+            descString = desc.shortVersion();
+        } else if (desc.value().length > 0) {
+            descString = desc.value()[0];
+            if (desc.value().length > 1) {
+                //System.out.println("[Command Warning] Multiline descriptions not supported here. Keep it short for: " + targetIdentifier);
+            }
+            if (descString != null && descString.isEmpty()) {
+                descString = null;
+            }
+        } else {
+            descString = null;
+        }
+
+        return descString;
+    }
+
+}