Support java libraries, binaries, and prebuilts

Add support for compiling java libraries (.jar files with
or without .dex), java binaries (.jar files with a wrapper
script to run them), and java prebuilts (for the SDK .jars)

Change-Id: Id624da64c92cf20c6d9577c6bb06e5b212af0d1b
diff --git a/java/resources.go b/java/resources.go
new file mode 100644
index 0000000..2fbf54b
--- /dev/null
+++ b/java/resources.go
@@ -0,0 +1,45 @@
+// Copyright 2015 Google Inc. All rights reserved.
+//
+// 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.
+
+package java
+
+import (
+	"path/filepath"
+
+	"android/soong/common"
+)
+
+var resourceExcludes = []string{
+	"*.java",
+	"package.html",
+	"overview.html",
+	".*.swp",
+	".DS_Store",
+	"*~",
+}
+
+func ResourceDirsToJarSpecs(ctx common.AndroidModuleContext, dirs []string) []jarSpec {
+	jarSpecs := make([]jarSpec, len(dirs))
+
+	for i, dir := range dirs {
+		fileListFile := filepath.Join(common.ModuleOutDir(ctx), "res", dir, "resources.list")
+		depFile := fileListFile + ".d"
+		dir := filepath.Join(common.ModuleSrcDir(ctx), dir)
+		glob := filepath.Join(dir, "**/*")
+		common.GlobRule(ctx, glob, resourceExcludes, fileListFile, depFile)
+		jarSpecs[i] = jarSpec{fileListFile, dir}
+	}
+
+	return jarSpecs
+}