+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Copyright 2017 Alexandre Terrasa <alexandre@moz-code.org>
+#
+# Licensed 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.
+
+import popcorn
+import popcorn::pop_templates
+
+class MyTemplateHandler
+ super Handler
+
+ # Template to render
+ var template = new TemplateString("""
+ <h1>Hello %USER%!</h1>
+ <p>Welcome to %MYSITE%.</p>
+ """)
+
+ redef fun get(req, res) do
+ # Values to add in the template
+ var values = new HashMap[String, String]
+ values["USER"] = "Morriar"
+ values["MYSITE"] = "My super website"
+
+ # Render it
+ res.template(template, values)
+ end
+end
+
+class MyTemplateStringHandler
+ super Handler
+
+ redef fun get(req, res) do
+ # Values to add in the template
+ var values = new HashMap[String, String]
+ values["USER"] = "Morriar"
+ values["MYSITE"] = "My super website"
+
+ # Render it with a shortcut
+ res.template_string("""
+ <h1>Hello %USER%!</h1>
+ <p>Welcome to %MYSITE%.</p>
+ """, values)
+ end
+end
+
+class MyTemplateFileHandler
+ super Handler
+
+ # Use template from external file
+ var tpl_file = "example_template.tpl"
+
+ redef fun get(req, res) do
+ # Values to add in the template
+ var values = new HashMap[String, String]
+ values["USER"] = "Morriar"
+ values["MYSITE"] = "My super website"
+
+ # Render it from an external file
+ res.template_file(tpl_file, values)
+ end
+end
+
+var app = new App
+app.use("/", new MyTemplateHandler)
+app.use("/string", new MyTemplateStringHandler)
+app.use("/file", new MyTemplateFileHandler)
+app.listen("localhost", 3000)