Merge commit 'danlarkin/build-jar-in-memory'

src/leiningen/jar.clj

@@ -1,19 +1,50 @@
 (ns leiningen.jar
   "Create a jar containing the compiled code and original source."
-  (:require [leiningen.compile :as compile]
-            [lancet])
-  (:use [leiningen.pom :only [pom]]
-        [clojure.contrib.duck-streams :only [spit]]
-        [clojure.contrib.str-utils :only [str-join]]))
+  (:require [leiningen.compile :as compile])
+  (:use [leiningen.pom :only [make-pom make-pom-properties]]
+        [clojure.contrib.duck-streams :only [to-byte-array copy]]
+        [clojure.contrib.str-utils :only [str-join re-sub]]
+        [clojure.contrib.java-utils :only [file]])
+  (:import [java.util.jar Manifest JarEntry JarOutputStream]
+           [java.io BufferedOutputStream FileOutputStream
+            ByteArrayInputStream]))
 
 (defn make-manifest [project]
-  (doto (str (:root project) "/classes/Manifest.txt")
-    (spit (str-join "\n"
-                    ["Created-By: Leiningen"
-                     (str "Built-By: " (System/getProperty "user.name"))
-                     (str "Build-Jdk: " (System/getProperty "java.version"))
-                     (when-let [main (:main project)]
-                       (str "Main-Class: " main))]))))
+  (Manifest.
+   (ByteArrayInputStream.
+    (to-byte-array
+     (str  (str-join "\n"
+                     ["Manifest-Version: 1.0" ; DO NOT REMOVE!
+                      "Created-By: Leiningen"
+                      (str "Built-By: " (System/getProperty "user.name"))
+                      (str "Build-Jdk: " (System/getProperty "java.version"))
+                      (when-let [main (:main project)]
+                        (str "Main-Class: " main))])
+           "\n")))))
+
+(defmulti copy-to-jar (fn [project jar-os spec] (:type spec)))
+
+(defmethod copy-to-jar :path [project jar-os spec]
+  (doseq [child (file-seq (file (:path spec)))]
+    (when-not (.isDirectory child)
+      (let [path (str child)
+            path (re-sub (re-pattern (str "^" (:root project))) "" path)
+            path (re-sub #"^/classes" "" path)
+            path (re-sub #"^/src" "" path)
+            path (re-sub #"^/" "" path)]
+        (.putNextEntry jar-os (JarEntry. path))
+        (copy child jar-os)))))
+
+(defmethod copy-to-jar :bytes [project jar-os spec]
+  (.putNextEntry jar-os (JarEntry. (:path spec)))
+  (copy (ByteArrayInputStream. (:bytes spec)) jar-os))
+
+(defn write-jar [project out-filename filespecs]
+  (with-open [jar-os (JarOutputStream. (BufferedOutputStream.
+                                        (FileOutputStream. out-filename))
+                                       (make-manifest project))]
+    (doseq [filespec filespecs]
+      (copy-to-jar project jar-os filespec))))
 
 (defn jar
   "Create a $PROJECT.jar file containing the compiled .class files as well as
@@ -21,17 +52,21 @@ the source .clj files. If project.clj contains a :main symbol, it will be used
 as the main-class for an executable jar."
   ([project jar-name]
      (compile/compile project)
-     (pom project "pom-generated.xml" true)
      (let [jar-file (str (:root project) "/" jar-name)
-           filesets [{:dir *compile-path*}
-                     {:dir (str (:root project) "/src")}
-                     ;; TODO: place in META-INF/maven/$groupId/$artifactId/pom.xml
-                     ;; TODO: pom.properties
-                     {:file (str (:root project) "/pom-generated.xml")}
-                     {:file (str (:root project) "/project.clj")}]]
+           filespecs [{:type :bytes
+                       :path (format "meta-inf/maven/%s/%s/pom.xml"
+                                     (:group project)
+                                     (:name project))
+                       :bytes (make-pom project)}
+                      {:type :bytes
+                       :path (format "meta-inf/maven/%s/%s/pom.properties"
+                                     (:group project)
+                                     (:name project))
+                       :bytes (make-pom-properties project)}
+                      {:type :path :path *compile-path*}
+                      {:type :path :path (str (:root project) "/src")}
+                      {:type :path :path (str (:root project) "/project.clj")}]]
        ;; TODO: support slim, etc
-       (apply lancet/jar {:jarfile jar-file
-                          :manifest (make-manifest project)}
-              (map lancet/fileset filesets))
+       (write-jar project jar-file filespecs)
        jar-file))
   ([project] (jar project (str (:name project) ".jar"))))

src/leiningen/pom.clj

@@ -1,9 +1,9 @@
 (ns leiningen.pom
   "Write a pom.xml file to disk for Maven interop."
-  (:require [lancet])
-  (:use [clojure.contrib.duck-streams :only [reader writer]]
-        [clojure.contrib.java-utils :only [file]])
-  (:import [org.apache.maven.model Model Parent Dependency Repository Scm]
+  (:use [clojure.contrib.duck-streams :only [reader copy]]
+        [clojure.contrib.java-utils :only [file as-properties]])
+  (:import [java.io StringWriter]
+           [org.apache.maven.model Model Parent Dependency Repository Scm]
            [org.apache.maven.project MavenProject]
            [org.apache.maven.artifact.ant Pom]))
 
@@ -102,15 +102,25 @@
       (.setScm model scm))
     model))
 
-(defn make-pom [project]
-  (doto (Pom.)
-    (.setProject lancet/ant-project)
-    (.setMavenProject (MavenProject. (make-model project)))))
+(defn make-pom
+  ([project] (make-pom project false))
+  ([project disclaimer?]
+     (with-open [w (StringWriter.)]
+       (.writeModel (MavenProject. (make-model project)) w)
+       (when disclaimer?
+         (.write w disclaimer))
+       (.getBytes (str w)))))
+
+(defn make-pom-properties [project]
+  (with-open [w (StringWriter.)]
+    (.store (as-properties {:version (:version project)
+                            :groupId (:group project)
+                            :artifactId (:name project)})
+            w "Leiningen")
+    (.getBytes (str w))))
 
 (defn pom [project & [pom-location silently?]]
   (let [pom-file (file (:root project) (or pom-location "pom.xml"))]
-    (with-open [w (writer pom-file)]
-      (.writeModel (MavenProject. (make-model project)) w)
-      (.write w disclaimer)
-      (when-not silently? (println "Wrote" (.getName pom-file))))
+    (copy (make-pom project true) pom-file)
+    (when-not silently? (println "Wrote" (.getName pom-file)))
     (.getAbsolutePath pom-file)))