From 7f68870deed3116cee84b6fa5e637dde3957a3b2 Mon Sep 17 00:00:00 2001
From: gmungoc <g.m.carstairs@dundee.ac.uk>
Date: Wed, 30 May 2018 12:09:51 +0100
Subject: [PATCH 1/1] JAL-3005 new argument type FileParameter for file
 chooser

---
 src/jalview/ws/params/ValueConstrainI.java      |    2 +-
 src/jalview/ws/params/simple/FileParameter.java |   47 +++++++++++++++++++++++
 2 files changed, 48 insertions(+), 1 deletion(-)
 create mode 100644 src/jalview/ws/params/simple/FileParameter.java

diff --git a/src/jalview/ws/params/ValueConstrainI.java b/src/jalview/ws/params/ValueConstrainI.java
index 47f454a..d1bdc98 100644
--- a/src/jalview/ws/params/ValueConstrainI.java
+++ b/src/jalview/ws/params/ValueConstrainI.java
@@ -29,7 +29,7 @@ public interface ValueConstrainI
 
   public enum ValueType
   {
-    Integer, Float, String, Double
+    Integer, Float, String, Double, File
   };
 
   ValueType getType();
diff --git a/src/jalview/ws/params/simple/FileParameter.java b/src/jalview/ws/params/simple/FileParameter.java
new file mode 100644
index 0000000..aa8e7ad
--- /dev/null
+++ b/src/jalview/ws/params/simple/FileParameter.java
@@ -0,0 +1,47 @@
+package jalview.ws.params.simple;
+
+import jalview.ws.params.ValueConstrainI;
+
+/**
+ * A class that represents a file parameter. User entry options should include
+ * direct input of a file path as text, or file selection using a file browser.
+ * 
+ * @author gmcarstairs
+ *
+ */
+public class FileParameter extends StringParameter
+{
+
+  public FileParameter(String name, String description, boolean required,
+          String defValue, String value)
+  {
+    super(name, description, required, defValue, value);
+  }
+
+  @Override
+  public ValueConstrainI getValidValue()
+  {
+    return new ValueConstrainI()
+    {
+
+      @Override
+      public ValueType getType()
+      {
+        return ValueType.File;
+      }
+
+      @Override
+      public Number getMax()
+      {
+        return null;
+      }
+
+      @Override
+      public Number getMin()
+      {
+        return null;
+      }
+    };
+  }
+
+}
-- 
1.7.10.2