completing the NativeGenTask with support for setting the input and output file

1 files changed, 31 insertions, 7 deletions

diff --git a/src/main/groovy/frege/gradle/NativeGenTask.groovy b/src/main/groovy/frege/gradle/NativeGenTask.groovy
index 44b5847..94f2fec 100644
--- a/src/main/groovy/frege/gradle/NativeGenTask.groovy
+++ b/src/main/groovy/frege/gradle/NativeGenTask.groovy
@@ -1,23 +1,47 @@
 package frege.gradle
 
 import org.gradle.api.DefaultTask
+import org.gradle.api.internal.file.FileResolver
+import org.gradle.api.tasks.Input
+import org.gradle.api.tasks.InputFile
+import org.gradle.api.tasks.Optional
+import org.gradle.api.tasks.OutputFile
 import org.gradle.api.tasks.TaskAction
 
-import frege.nativegen.*
+import org.gradle.process.internal.DefaultJavaExecAction
+import org.gradle.process.internal.JavaExecAction
 
-/**
- * Created by MarkPerry on 18/02/2015.
- */
 class NativeGenTask extends DefaultTask {
 
-    String filename = "types.properties"
+    @Optional
+    @InputFile
+    File typesFile = new File(project.projectDir, "types.properties")
+
+    @Input
+    String className = null
+
+    @Optional
+    @OutputFile
+    File outputFile = new File(project.buildDir, "generated/frege/NativeGenOutput.fr")
 
-    String clazz = null
 
     @TaskAction
     void gen() {
 
-        frege.nativegen.Main.main([clazz] as String[])
+        FileResolver fileResolver = getServices().get(FileResolver.class)
+        JavaExecAction action = new DefaultJavaExecAction(fileResolver)
+        action.setMain("frege.nativegen.Main")
+        action.workingDir = project.projectDir
+        action.standardInput = System.in
+        action.standardOutput = outputFile.newOutputStream()
+        action.errorOutput = System.err
+        action.setClasspath(project.files(project.configurations.compile) + project.files("$project.buildDir/classes/main"))
+
+        def args = []
+        args << className
+        args << typesFile.absolutePath
+        action.args args
+        action.execute()
     }