Issue #43: updated CheckstyleViolation to change line and column to Primitive

Author: Anmol202005

src/main/java/org/checkstyle/autofix/parser/CheckstyleReportParser.java

@@ -112,8 +112,8 @@ private static String parseFileTag(StartElement startElement) {
     }
 
     private static CheckstyleViolation parseErrorTag(StartElement startElement, String filename) {
-        Integer line = null;
-        Integer column = null;
+        int line = -1;
+        int column = -1;
         String source = null;
         String message = null;
         String severity = null;
@@ -124,7 +124,7 @@ private static CheckstyleViolation parseErrorTag(StartElement startElement, Stri
             final String attrName = attribute.getName().getLocalPart();
             switch (attrName) {
                 case LINE_ATTR:
-                    line = Integer.valueOf(attribute.getValue());
+                    line = Integer.parseInt(attribute.getValue());
                     break;
                 case COLUMN_ATTR:
                     column = Integer.parseInt(attribute.getValue());

src/main/java/org/checkstyle/autofix/parser/CheckstyleViolation.java

@@ -19,9 +19,9 @@
 
 public final class CheckstyleViolation {
 
-    private final Integer line;
+    private final int line;
 
-    private final Integer column;
+    private final int column;
 
     private final String severity;
 
@@ -31,7 +31,7 @@ public final class CheckstyleViolation {
 
     private final String fileName;
 
-    public CheckstyleViolation(Integer line, Integer column,
+    public CheckstyleViolation(int line, int column,
                                String severity, String source, String message, String fileName) {
         this.line = line;
         this.column = column;