further improvements to commandline parser API

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

diff --git a/src/main/java/eu/svjatoslav/commons/commandline/parameterparser/parameter/NullParameter.java b/src/main/java/eu/svjatoslav/commons/commandline/parameterparser/parameter/NullParameter.java
new file mode 100644 (file)
index 0000000..cadadd1
--- /dev/null
+++ b/src/main/java/eu/svjatoslav/commons/commandline/parameterparser/parameter/NullParameter.java
@@ -0,0 +1,27 @@
+package eu.svjatoslav.commons.commandline.parameterparser.parameter;
+
+import eu.svjatoslav.commons.commandline.parameterparser.ArgumentCount;
+import eu.svjatoslav.commons.commandline.parameterparser.Parameter;
+
+public class NullParameter extends Parameter {
+
+       public NullParameter(final String description) {
+               super(null, description, ArgumentCount.SINGLE);
+       }
+
+       @Override
+       public NullParameter addAliases(final String... aliasArray) {
+               super.addAliases(aliasArray);
+               return this;
+       }
+
+       public boolean getValue() {
+               return isParameterSpecified();
+       }
+
+       @Override
+       public NullParameter setMandatory() {
+               mandatory = true;
+               return this;
+       }
+}