apply version 2.7 copyright

[jalview.git] / src / jalview / bin / Cache.java

diff --git a/src/jalview/bin/Cache.java b/src/jalview/bin/Cache.java
index ab08140..d2f400d 100755 (executable)
--- a/src/jalview/bin/Cache.java
+++ b/src/jalview/bin/Cache.java
@@ -1,6 +1,6 @@
 /*
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.6)
- * Copyright (C) 2010 J Procter, AM Waterhouse, G Barton, M Clamp, S Searle
+ * Jalview - A Sequence Alignment Editor and Viewer (Version 2.7)
+ * Copyright (C) 2011 J Procter, AM Waterhouse, G Barton, M Clamp, S Searle
  * 
  * This file is part of Jalview.
  * 
@@ -19,6 +19,8 @@ package jalview.bin;
 
 import java.awt.Color;
 import java.io.*;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
 import java.util.*;
 
 import org.apache.log4j.*;
@@ -767,4 +769,36 @@ public class Cache
     setProperty(property, jalview.util.Format
           .getHexString(colour));
   }
+
+  public static final DateFormat  date_format = SimpleDateFormat.getDateTimeInstance();
+
+  /**
+   * store a date in a jalview property
+   * @param string
+   * @param time
+   */
+  public static void setDateProperty(String property, Date time)
+  {
+    setProperty(property, date_format.format(time));
+  }
+  /**
+   * read a date stored in a jalview property
+   * @param property
+   * @return valid date as stored by setDateProperty, or null
+   * 
+   */
+  public static Date getDateProperty(String property)
+  {
+    String val = getProperty(property);
+    if (val!=null)
+    {
+      try {
+        return date_format.parse(val);
+      } catch (Exception ex)
+      {
+        System.err.println("Invalid or corrupt date in property '"+property+"' : value was '"+val+"'");
+      }
+    }
+    return null;
+  }
 }