concat templates and use build timestamp as cache invalidator

src/main/script/HTMLConcat.groovy

@@ -0,0 +1,28 @@
+import java.io.File;
+import java.io.IOException;
+
+import org.apache.commons.io.FileUtils;
+import org.apache.commons.lang.SystemUtils;
+
+public class HTMLConcat {
+	public void concat(String source, String prefix, String destination)
+			throws IOException {
+		StringBuilder sb = new StringBuilder();
+		sb.append("<div>");
+		for (File file : new File(source).listFiles()) {
+			if (file.isFile()) {
+				sb.append(SystemUtils.LINE_SEPARATOR);
+				sb.append(String.format(
+						"<script type=\"text/ng-template\" id=\"%s%s\">",
+						prefix, file.getName()));
+				sb.append(SystemUtils.LINE_SEPARATOR);
+				sb.append(FileUtils.readFileToString(file));
+				sb.append(SystemUtils.LINE_SEPARATOR);
+				sb.append("</script>");
+				sb.append(SystemUtils.LINE_SEPARATOR);
+			}
+		}
+		sb.append("</div>");
+		FileUtils.writeStringToFile(new File(destination), sb.toString());
+	}
+}

src/main/script/template-loader.js

@@ -0,0 +1,35 @@
+var app = angular.module('commafeed.services');
+
+app.factory('$templateCache', ['$cacheFactory', '$http', '$injector', function($cacheFactory, $http, $injector) {
+	var cache = $cacheFactory('templates');
+	var allTplPromise;
+
+	return {
+		get : function(url) {
+			var fromCache = cache.get(url);
+
+			if (fromCache) {
+				return fromCache;
+			}
+
+			if (!allTplPromise) {
+				allTplPromise = $http.get('templates/all-templates.html?${timestamp}').then(
+						function(response) {
+							$injector.get('$compile')(response.data);
+							return response;
+						});
+			}
+
+			return allTplPromise.then(function(response) {
+				return {
+					status : response.status,
+					data : cache.get(url)
+				};
+			});
+		},
+
+		put : function(key, value) {
+			cache.put(key, value);
+		}
+	};
+}]);