improved gradle task to work through properties and automatically recognize java folder

Author: raydac

jcp-tests/jcp-test-android/app/build.gradle

@@ -41,10 +41,10 @@ dependencies {
 }
 
 // preprocessor settings
-preprocessSettings {
+preprocess {
     def targetFolder = 'build/preprocessed/java'
     target = file(targetFolder)
-    sources = ['src/main/java']
+    sources = [file('src/main/java')]
     android.sourceSets.main.java.srcDirs = [targetFolder]
 
     keepComments = false

jcp-tests/jcp-test-gradle/build.gradle

@@ -35,10 +35,6 @@ jar {
 
 
 preprocess {
-        def targetFolder = 'build/preprocessed/java'
-
-        target = file(targetFolder)
-        sources = ['src/main/java']
 
         allowWhitespaces = true
         eol = '\r\n'
@@ -62,7 +58,7 @@ preprocess {
         dontOverwriteSameContent=false
         vars = ['some.test.global': 'Some Test Global Value']
 
-        sourceSets.main.java.srcDirs = [targetFolder]
+        sourceSets.main.java.srcDirs = [target]
 }
 
 compileJava.dependsOn preprocess