Tell if parameter is mandatory when showing help.

[svjatoslav_commons.git] / src / main / java / eu / svjatoslav / commons / commandline / parameterparser / Parameter.java

diff --git a/src/main/java/eu/svjatoslav/commons/commandline/parameterparser/Parameter.java b/src/main/java/eu/svjatoslav/commons/commandline/parameterparser/Parameter.java
index d55407b..95df0c0 100755 (executable)
--- a/src/main/java/eu/svjatoslav/commons/commandline/parameterparser/Parameter.java
+++ b/src/main/java/eu/svjatoslav/commons/commandline/parameterparser/Parameter.java
@@ -14,9 +14,9 @@ import java.util.Collections;
 
 public abstract class Parameter<T, I extends Parameter> {
 
-    public String description;
+    public final String description;
     public final ArrayList<String> arguments = new ArrayList<>();
-    ArgumentCount argumentCount;
+    final ArgumentCount argumentCount;
     private final ArrayList<String> aliases = new ArrayList<>();
     /**
      * Indicates that at least one argument is mandatory for this parameter.
@@ -52,7 +52,7 @@ public abstract class Parameter<T, I extends Parameter> {
         // save aliases
         Collections.addAll(aliases, aliasArray);
 
-        return (I)this;
+        return (I) this;
     }
 
     /**
@@ -116,7 +116,11 @@ public abstract class Parameter<T, I extends Parameter> {
         // first line
         buffer.append(getAliases());
         if (!argumentCount.equals(ArgumentCount.NONE)) {
-            buffer.append(" (" + describeFormat() + ")");
+            buffer
+                    .append(" (")
+                    .append(isMandatory() ? "mandatory, " : "")
+                    .append(describeFormat())
+                    .append(")");
 
             if (argumentCount.equals(ArgumentCount.MULTI))
                 buffer.append("...");
@@ -182,7 +186,7 @@ public abstract class Parameter<T, I extends Parameter> {
     @SuppressWarnings("unchecked")
     public I setMandatory() {
         mandatory = true;
-        return (I)this;
+        return (I) this;
     }
 
     /**