Merge branch 'master' into java6

Conflicts:
	project.clj

project.clj

@@ -1,4 +1,4 @@
-(defproject clj-jtwig-java6 "0.2"
+(defproject clj-jtwig-java6 "0.2.1"
   :description "Clojure wrapper for JTwig (Java 6 dependencies)"
   :url "https://github.com/gered/clj-jtwig/tree/java6"
   :license {:name "Apache License, Version 2.0"

src/clj_jtwig/core.clj

@@ -2,7 +2,8 @@
   "wrapper functions for working with JTwig from clojure"
   (:import (com.lyncode.jtwig JtwigTemplate JtwigContext JtwigModelMap)
            (com.lyncode.jtwig.tree.api Content)
-           (java.io File FileNotFoundException ByteArrayOutputStream))
+           (java.io File FileNotFoundException ByteArrayOutputStream)
+           (java.net URL))
   (:require [clojure.walk :refer [stringify-keys]])
   (:use [clj-jtwig.functions]))
 
@@ -128,10 +129,11 @@
   []
   (reset! compiled-templates {}))
 
-(defn- get-resource-path [filename]
+(defn- get-resource-path
+  (^URL [^String filename]
    (-> (Thread/currentThread)
        (.getContextClassLoader)
-      (.getResource filename)))
+       (.getResource filename))))
 
 (defn- make-model-map [model-map-values {:keys [skip-model-map-stringify?] :as options}]
   (let [model-map-obj (new JtwigModelMap)
@@ -165,7 +167,7 @@
 
 (defn render-file
   "renders a template from a file, using the values in model-map as the model for the template"
-  [filename model-map & [options]]
+  [^String filename model-map & [options]]
   (let [file              (new File filename)
         compiled-template (compile-template! file)]
     (render-compiled-template compiled-template model-map options)))
@@ -173,6 +175,6 @@
 (defn render-resource
   "renders a template from a resource file, using the values in the model-map as the model for
    the template."
-  [filename model-map & [options]]
+  [^String filename model-map & [options]]
   (if-let [resource-filename (get-resource-path filename)]
     (render-file (.getPath resource-filename) model-map options)))

src/clj_jtwig/functions.clj

@@ -1,6 +1,5 @@
 (ns clj-jtwig.functions
-  "standard functions added to jtwig contexts by default. these are in addition to the
+  "custom template function/filter support functions."
- functions added by default in all jtwig function repository objects"
   (:import (com.lyncode.jtwig.functions JtwigFunction)
            (com.lyncode.jtwig.functions.repository DefaultFunctionRepository)
            (com.lyncode.jtwig.functions.exceptions FunctionNotFoundException FunctionException))
@@ -41,7 +40,7 @@
   []
   (reset! functions (create-function-repository)))
 
-(defn function-exists? [name]
+(defn function-exists? [^String name]
   (try
     (.retrieve @functions name)
     true
@@ -52,9 +51,9 @@
   "adds a new template function under the name specified. templates can call the function by the
    name specified (or one of the aliases specified) and passing in the same number of arguments
    accepted by f. the return value of f is returned to the template."
-  ([name f]
+  ([^String name f]
    (add-function! name nil f))
-  ([name aliases f]
+  ([^String name aliases f]
    (let [handler (make-function-handler f)]
      (.add @functions handler name (make-aliased-array aliases))
      (.retrieve @functions name))))

src/clj_jtwig/standard_functions.clj

@@ -13,7 +13,8 @@
 (defonce standard-functions
   {"blankIfNull"
    {:fn (fn [x]
-          (if (nil? x) "" x))}
+          (if (nil? x) "" x))
+    :aliases ["nonull"]}
 
    "butlast"
    {:fn (fn [sequence]

test/clj_jtwig/functions_test.clj

@@ -39,6 +39,31 @@
 
       (reset-functions!)))
 
+  (testing "Custom template function aliases"
+    (do
+      (reset-functions!)
+
+      (is (valid-function-handler?
+            (defaliasedtwigfn "add" [a b]
+              ["plus" "myAddFn"]
+              (+ a b))))
+
+      (is (true? (function-exists? "add")))
+      (is (true? (function-exists? "plus")))
+      (is (true? (function-exists? "myAddFn")))
+
+      (is (= (render "{{add(1, 2)}}" nil)
+             "3")
+          "calling a custom function by name")
+      (is (= (render "{{plus(1, 2)}}" nil)
+             "3")
+          "calling a custom function by alias")
+      (is (= (render "{{myAddFn(1, 2)}}" nil)
+             "3")
+          "calling a custom function by another alias")
+
+      (reset-functions!)))
+
   (testing "Fixed and variable number of template function arguments"
     (do
       (reset-functions!)
@@ -250,7 +275,9 @@
     (is (= (render "{{ a|blankIfNull }}" {:a nil})
            ""))
     (is (= (render "{{ a|blankIfNull }}" {:a "foo"})
-           "foo")))
+           "foo"))
+    (is (= (render "{{ a|nonull }}" nil)
+           "")))
 
   (testing "butlast"
     (is (= (render "{{ [1, 2, 3, 4, 5]|butlast }}" nil)