Add a simple date converter

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@272057 13f79535-47bb-0310-9956-ffa450edef68

proposal/myrmidon/src/java/org/apache/aut/converter/lib/StringToDateConverter.java

@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE.txt file.
+ */
+package org.apache.aut.converter.lib;
+
+import java.util.Date;
+import org.apache.aut.converter.AbstractConverter;
+import org.apache.aut.converter.ConverterException;
+import org.apache.avalon.excalibur.i18n.ResourceManager;
+import org.apache.avalon.excalibur.i18n.Resources;
+
+/**
+ * String to date converter.
+ *
+ * <p>Parses a date according to the same rules as the Date.parse() method. In
+ * particular it recognizes the IETF standard date syntax:</p>
+ * <p>"Sat, 12 Aug 1995 13:30:00 GMT"</p>
+ *
+ * @author <a href="mailto:peter@apache.org">Peter Donald</a>
+ * @ant.converter source="java.lang.String" destination="java.util.Date"
+ * @see java.util.Date#parse
+ */
+public class StringToDateConverter
+    extends AbstractConverter
+{
+    private final static Resources REZ =
+        ResourceManager.getPackageResources( StringToDateConverter.class );
+
+    public StringToDateConverter()
+    {
+        super( String.class, Date.class );
+    }
+
+    public Object convert( final Object object, final Object context )
+        throws ConverterException
+    {
+        try
+        {
+            return new Date( object.toString() );
+        }
+        catch( final NumberFormatException nfe )
+        {
+            final String message = REZ.getString( "convert.bad-byte.error", object );
+            throw new ConverterException( message, nfe );
+        }
+    }
+}
+