Added changes to enable the building of app-inventor in windows

appinventor/blockslib/src/openblocks/yacodeblocks/YABlockCompiler.java

@@ -422,6 +422,9 @@ public class YABlockCompiler {
    */
   public static String packageNameFromPath(String path) {
     path = path.replaceFirst(".*?/?src/", "");
+    if (System.getProperty("os.name").startsWith("Windows")){
+   	  path = path.replace("/","\\").replaceFirst(".*?/?src/", "");
+    }
     int extensionIndex = path.lastIndexOf(".");
     if (extensionIndex != -1) {
       return path.substring(0, extensionIndex).replaceAll("/", ".");

appinventor/buildserver/src/com/google/appinventor/buildserver/Compiler.java

@@ -72,6 +72,8 @@ public final class Compiler {
       RUNTIME_FILES_DIR + "android.jar";
   private static final String MAC_AAPT_TOOL =
       "/tools/mac/aapt";
+  private static final String WINDOWS_AAPT_TOOL = 
+      "/tools/windows/aapt";
   private static final String LINUX_AAPT_TOOL =
       "/tools/linux/aapt";
   private static final String KAWA_RUNTIME =
@@ -415,6 +417,10 @@ public final class Compiler {
         String sourceFileRelativePath = sourceFileName.substring(srcIndex + 8);
         String classFileName = (classesDir.getAbsolutePath() + "/" + sourceFileRelativePath)
             .replace(YoungAndroidConstants.YAIL_EXTENSION, ".class");
+        if (System.getProperty("os.name").startsWith("Windows")){
+        	classFileName = classesDir.getAbsolutePath()
+           .replace(YoungAndroidConstants.YAIL_EXTENSION, ".class");
+        }
 
         // Check whether user code exists by seeing if a left parenthesis exists at the beginning of
         // a line in the file
@@ -516,6 +522,10 @@ public final class Compiler {
       // This works when a JDK is installed with the JRE.
       jarsignerFile = new File(javaHome + File.separator + ".." + File.separator + "bin" +
           File.separator + "jarsigner");
+      if (System.getProperty("os.name").startsWith("Windows")){
+  		jarsignerFile = new File(javaHome + File.separator + ".." + File.separator + "bin" +
+            File.separator + "jarsigner.exe");
+      }
       if (!jarsignerFile.exists()) {
         LOG.warning("YAIL compiler - could not find jarsigner.");
         err.println("YAIL compiler - could not find jarsigner.");
@@ -622,7 +632,9 @@ public final class Compiler {
       aaptTool = MAC_AAPT_TOOL;
     } else if (osName.equals("Linux")) {
       aaptTool = LINUX_AAPT_TOOL;
-    } else {
+    } else if (osName.startsWith("Windows")) {
+		aaptTool = WINDOWS_AAPT_TOOL;
+	} else {
       LOG.warning("YAIL compiler - cannot run AAPT on OS " + osName);
       err.println("YAIL compiler - cannot run AAPT on OS " + osName);
       userErrors.print(String.format(ERROR_IN_STAGE, "AAPT"));

appinventor/buildserver/src/com/google/appinventor/buildserver/Execution.java

@@ -98,7 +98,11 @@ public final class Execution {
   public static boolean execute(File workingDir, String[] command, PrintStream out,
       PrintStream err) {
     LOG.log(Level.INFO, "____Executing " + joiner.join(command));
-
+    if (System.getProperty("os.name").startsWith("Windows")){
+    	for(int i =0; i < command.length; i++){
+    		command[i] = command[i].replace("\"", "\\\"");
+    	}
+    }
     try {
       Process process = Runtime.getRuntime().exec(command, null, workingDir);
       new RedirectStreamHandler(new PrintWriter(out, true), process.getInputStream());