svn commit: r1496272 - in /incubator/climate/trunk/rcmet/src/main/ui/app/js/filters: ./ ISODateToMiddleEndian.js

[jo...@apache.org]

Author: joyce
Date: Mon Jun 24 22:58:54 2013
New Revision: 1496272

URL: http://svn.apache.org/r1496272
Log:
CLIMATE-153 progress - Add ISODateToMiddleEndian filter

- Add ISODateToMiddleEndian filter. Converts a date-time stamp in ISO
  format (or a slightly modified format with 'T' replaced with ' ') to
  U.S./Middle Endian format.

Added:
    incubator/climate/trunk/rcmet/src/main/ui/app/js/filters/
    incubator/climate/trunk/rcmet/src/main/ui/app/js/filters/ISODateToMiddleEndian.js

Added: incubator/climate/trunk/rcmet/src/main/ui/app/js/filters/ISODateToMiddleEndian.js
URL: http://svn.apache.org/viewvc/incubator/climate/trunk/rcmet/src/main/ui/app/js/filters/ISODateToMiddleEndian.js?rev=1496272&view=auto
==============================================================================
--- incubator/climate/trunk/rcmet/src/main/ui/app/js/filters/ISODateToMiddleEndian.js (added)
+++ incubator/climate/trunk/rcmet/src/main/ui/app/js/filters/ISODateToMiddleEndian.js Mon Jun 24 22:58:54 2013
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+**/
+
+'use strict';
+
+// Convert a date in ISO format (or slightly modified such that 'T' is replace by ' ') into
+// a 'Middle Endian'/U.S. style date.
+App.Filters.filter('ISODateToMiddleEndian', function() {
+	return function(input) {
+		var original = input;
+
+		// Strip whitespace from the start and end of the string
+		input = input.replace(/(^\s+|\s+$)/g,' ');
+
+		// ISO Standard says time is separated from Date with a 'T'. Our timestamps
+		// slightly modify that and use a space. We'll check for both here and prefer
+		// to split on a 'T' if it's available.
+		if (input.indexOf('T') != -1 || input.indexOf(' ') != -1) {
+			input = (input.indexOf('T') != -1) ? input.split('T')[0] : input.split(' ')[0];
+		} 
+		
+		// The components of the date should be split with hyphens. If we can't find them
+		// then the string is poorly formed.
+		if (input.indexOf('-') == -1 || input.split('-').length - 1 != 2) {
+			return original;
+		}
+
+		// At this point the date is probably valid and we should try to convert it!
+		var components = input.split('-');
+		return (components[1] + "/" + components[2] + "/" + components[0]);
+	};
+});