Update naming in commandline parser

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

diff --git a/src/main/java/eu/svjatoslav/commons/cli_helper/parameter_parser/parameter/IntegerOption.java b/src/main/java/eu/svjatoslav/commons/cli_helper/parameter_parser/parameter/IntegerOption.java
new file mode 100755 (executable)
index 0000000..a5d4bf4
--- /dev/null
+++ b/src/main/java/eu/svjatoslav/commons/cli_helper/parameter_parser/parameter/IntegerOption.java
@@ -0,0 +1,38 @@
+/*
+ * 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 IntegerOption extends Option<Integer, IntegerOption> {
+
+    public IntegerOption(final String description) {
+        super(description, ParameterCount.SINGLE);
+    }
+
+    @Override
+    public java.lang.String describeFormat() {
+        return "integer";
+    }
+
+    @Override
+    public Integer getValue() {
+        if (parameters.size() != 1)
+            throw new RuntimeException("Parameter " + description
+                    + " shall have exactly 1 argument.");
+        return Integer.parseInt(parameters.get(0));
+    }
+
+    @Override
+    public boolean isValid(final java.lang.String value) {
+        try {
+            java.lang.Integer.valueOf(value);
+            return true;
+        } catch (final NumberFormatException e) {
+            return false;
+        }
+    }
+}