Fixing issue 87 with maven wrapper

Author: rahlk

gradle.properties

@@ -1 +1 @@
-version=1.0.8
+version=1.0.9-dev

src/main/java/com/ibm/cldk/utils/BuildProject.java

@@ -90,7 +90,25 @@ private static String getGradleCmd() {
 
     private static boolean commandExists(String command) {
         try {
-            Process process = new ProcessBuilder(command, "--version").start();
+            Process process = new ProcessBuilder().directory(new File(projectRootPom)).command(command, "--version").start();
+
+            // Read the output stream
+            BufferedReader reader = new BufferedReader(
+                    new InputStreamReader(process.getInputStream())
+            );
+            String line;
+            while ((line = reader.readLine()) != null) {
+                Log.info(line);
+            }
+
+            // Read the error stream
+            BufferedReader errorReader = new BufferedReader(
+                    new InputStreamReader(process.getErrorStream())
+            );
+            while ((line = errorReader.readLine()) != null) {
+                Log.info(line);
+            }
+
             int exitCode = process.waitFor();
             return exitCode == 0;
         } catch (IOException | InterruptedException exceptions) {
@@ -100,7 +118,7 @@ private static boolean commandExists(String command) {
 
     private static boolean buildWithTool(String[] buildCommand) {
         Log.info("Building the project using " + buildCommand[0] + ".");
-        ProcessBuilder processBuilder = new ProcessBuilder(buildCommand);
+        ProcessBuilder processBuilder = new ProcessBuilder().directory(new File(projectRootPom)).command(buildCommand);
 
         try {
             Process process = processBuilder.start();
@@ -125,7 +143,7 @@ private static boolean buildWithTool(String[] buildCommand) {
      * @return true if Maven is installed, false otherwise.
      */
     private static boolean isMavenInstalled() {
-        ProcessBuilder processBuilder = new ProcessBuilder(MAVEN_CMD, "--version");
+        ProcessBuilder processBuilder = new ProcessBuilder().directory(new File(projectRootPom)).command(MAVEN_CMD, "--version");
         try {
             Process process = processBuilder.start();
             BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));