GXFile.openWrite was broken when the file didn't exist after we change commons-io jar version. (#555)

Issue: 95578

Author: iroqueta

java/src/main/java/com/genexus/util/GXFile.java

@@ -717,9 +717,9 @@ public void openWrite(String encoding) {
             resetErrors();
             try {
                 if (encoding.equals("")) {
-                    fileWriter = new FileWriterWithEncoding(FileSource.getFileInstance(), "UTF8", true);
+                    fileWriter = new FileWriterWithEncoding(FileSource.getFileInstance(), "UTF8", FileSource.exists());
                 } else {
-                    fileWriter = new FileWriterWithEncoding(FileSource.getFileInstance(), CommonUtil.normalizeEncodingName(encoding), true);
+                    fileWriter = new FileWriterWithEncoding(FileSource.getFileInstance(), CommonUtil.normalizeEncodingName(encoding), FileSource.exists());
                 }
             } catch (Exception e) {
                 setUnknownError(e);

java/src/test/java/com/genexus/util/TestFileMethods.java

@@ -0,0 +1,39 @@
+package com.genexus.util;
+
+import com.genexus.specific.java.Connect;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class TestFileMethods {
+	private static String FILE_NAME = "testFile.txt";
+	private static String LINE1 = "Line1";
+	private static String LINE2 = "Line2";
+
+	@Test
+	public void testOpenWrite(){
+		Connect.init();
+
+		GXFile testWriteFile = new GXFile();
+		testWriteFile.setSource(FILE_NAME);
+		testWriteFile.openWrite("");
+		testWriteFile.writeLine(LINE1);
+		testWriteFile.close();
+
+		GXFile testReadFile = new GXFile();
+		testReadFile.setSource(FILE_NAME);
+		testReadFile.openRead("");
+		Assert.assertTrue(testReadFile.readLine().equals(LINE1));
+		testReadFile.close();
+
+		testWriteFile.openWrite("");
+		testWriteFile.writeLine(LINE2);
+		testWriteFile.close();
+
+		testReadFile.openRead("");
+		Assert.assertTrue(testReadFile.readLine().equals(LINE1));
+		Assert.assertTrue(testReadFile.readLine().equals(LINE2));
+		testReadFile.close();
+
+		testReadFile.delete();
+	}
+}