Update naming in commandline parser

[cli-helper.git] / src / main / java / eu / svjatoslav / commons / cli_helper / parameter_parser / parameter / NullOption.java

diff --git a/src/main/java/eu/svjatoslav/commons/cli_helper/parameter_parser/parameter/NullOption.java b/src/main/java/eu/svjatoslav/commons/cli_helper/parameter_parser/parameter/NullOption.java
new file mode 100755 (executable)
index 0000000..a220ab3
--- /dev/null
+++ b/src/main/java/eu/svjatoslav/commons/cli_helper/parameter_parser/parameter/NullOption.java
@@ -0,0 +1,31 @@
+/*
+ * Svjatoslav Commons - shared library of common functionality. Author: Svjatoslav Agejenko.
+ * This project is released under Creative Commons Zero (CC0) license.
+ */
+package eu.svjatoslav.commons.cli_helper.parameter_parser.parameter;
+
+import eu.svjatoslav.commons.cli_helper.parameter_parser.ParameterCount;
+import eu.svjatoslav.commons.cli_helper.parameter_parser.Option;
+
+public class NullOption extends Option<Boolean, NullOption> {
+
+    public NullOption(final String description) {
+        super(description, ParameterCount.NONE);
+    }
+
+    @Override
+    public java.lang.String describeFormat() {
+        return "<none>";
+    }
+
+    @Override
+    public Boolean getValue() {
+        return isPresent();
+    }
+
+    @Override
+    public boolean isValid(final java.lang.String value) {
+        return true;
+    }
+
+}