X-Git-Url: http://www2.svjatoslav.eu/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Feu%2Fsvjatoslav%2Fcommons%2Fcommandline%2Fparameterparser%2FParameter.java;h=bc8db0e9b40c5c28743d51c1de1ac48ffe72f0a8;hb=57ac589c5bb0860921e6f75e26a76958b76ac244;hp=32e9594d777c2ce029bbe2bd6fbf40c43568e826;hpb=c378ab1acf1d7299a572e4a5fc38996ee0408602;p=svjatoslav_commons.git

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 32e9594..bc8db0e 100755
--- a/src/main/java/eu/svjatoslav/commons/commandline/parameterparser/Parameter.java
+++ b/src/main/java/eu/svjatoslav/commons/commandline/parameterparser/Parameter.java
@@ -11,13 +11,20 @@ package eu.svjatoslav.commons.commandline.parameterparser;
 
 import java.util.ArrayList;
 import java.util.Collections;
+import java.util.List;
 
 public abstract class Parameter<T, I extends Parameter> {
 
+    /**
+     * Purpose of this argument, like: input image path, compression level, etc...
+     *
+     * Note: for describing argument type (file, integer, ...) there is {@link #describeFormat()}.
+     */
     public final String description;
-    public final ArrayList<String> arguments = new ArrayList<>();
+
+    public final List<String> arguments = new ArrayList<>();
     final ArgumentCount argumentCount;
-    private final ArrayList<String> aliases = new ArrayList<>();
+    private final List<String> aliases = new ArrayList<>();
     /**
      * Indicates that at least one argument is mandatory for this parameter.
      */
@@ -92,7 +99,10 @@ public abstract class Parameter<T, I extends Parameter> {
     }
 
     /**
-     * @return Single line argument type description.
+     * @return Single line argument type description. If argument type should be file,
+     * date, integer, regular expression, etc..
+     *
+     * Note: for argument purpose description there is {@link #description}
      */
     public abstract String describeFormat();
 
@@ -116,7 +126,11 @@ 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("...");