1 files changed, 35 insertions, 0 deletions
diff --git a/src/main/java/com/beust/jcommander/IDefaultProvider.java b/src/main/java/com/beust/jcommander/IDefaultProvider.java
new file mode 100644
index 0000000..0353928
--- /dev/null
+++ b/src/main/java/com/beust/jcommander/IDefaultProvider.java
@@ -0,0 +1,35 @@
+/**
+ * Copyright (C) 2010 the original author or authors.
+ * See the notice.md file distributed with this work for additional
+ * information regarding copyright ownership.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.beust.jcommander;
+
+/**
+ * Allows the specification of default values.
+ * 
+ * @author cbeust
+ */
+public interface IDefaultProvider {
+
+  /**
+   * @param optionName The name of the option as specified in the names() attribute
+   * of the @Parameter option (e.g. "-file").
+   * 
+   * @return the default value for this option.
+   */
+  String getDefaultValueFor(String optionName);
+}