Windows: working on reg query encoding issue #3360. German encoding is Cp852

Author: Federico Fissore

app/test/processing/app/windows/RegQueryParserTest.java

@@ -1,6 +1,9 @@
 package processing.app.windows;
 
 import org.junit.Test;
+import processing.app.helpers.FileUtils;
+
+import java.io.File;
 
 import static org.junit.Assert.assertEquals;
 
@@ -39,4 +42,12 @@ public void testRegQueryParserXP() throws Exception {
     assertEquals("C:\\Documents and Settings\\username\\My Documents", folderPath);
   }
 
+  @Test
+  public void testRegQueryParserGerman() throws Exception {
+    String output = FileUtils.readFileToString(new File(RegQueryParserTest.class.getResource("german.reg.query.output.txt").getFile()), "Cp852");
+
+    String folderPath = new RegQueryParser(output).getValueOfKey();
+    assertEquals("C:\\Users\\René\\AppData\\Roaming", folderPath);
+  }
+
 }

app/test/processing/app/windows/german.reg.query.output.txt

@@ -0,0 +1,4 @@
+
+HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
+    AppData    REG_SZ    C:\Users\Ren�\AppData\Roaming
+

arduino-core/src/processing/app/helpers/FileUtils.java

@@ -177,9 +177,13 @@ public static boolean isSCCSFolder(File file) {
   }
 
   public static String readFileToString(File file) throws IOException {
+    return readFileToString(file, "UTF-8");
+  }
+
+  public static String readFileToString(File file, String encoding) throws IOException {
     BufferedReader reader = null;
     try {
-      reader = new BufferedReader(new InputStreamReader(new FileInputStream(file), "UTF-8"));
+      reader = new BufferedReader(new InputStreamReader(new FileInputStream(file), encoding));
       StringBuilder sb = new StringBuilder();
       String line;
       while ((line = reader.readLine()) != null) {