Use Integer.compare() where possible

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1808522 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/poi/ddf/AbstractEscherOptRecord.java

@@ -142,7 +142,7 @@ public abstract class AbstractEscherOptRecord extends EscherRecord
             {
                 short s1 = p1.getPropertyNumber();
                 short s2 = p2.getPropertyNumber();
-                return s1 < s2 ? -1 : s1 == s2 ? 0 : 1;
+                return Short.compare(s1, s2);
             }
         } );
     }

src/java/org/apache/poi/ss/formula/EvaluationConditionalFormatRule.java

@@ -242,16 +242,16 @@ public class EvaluationConditionalFormatRule implements Comparable<EvaluationCon
         final int x = getPriority();
         final int y = o.getPriority();
         // logic from Integer.compare()
-        cmp = (x < y) ? -1 : ((x == y) ? 0 : 1);
+        cmp = Integer.compare(x, y);
         if (cmp != 0) {
             return cmp;
         }
 
-        cmp = new Integer(getFormattingIndex()).compareTo(new Integer(o.getFormattingIndex()));
+        cmp = Integer.compare(getFormattingIndex(), o.getFormattingIndex());
         if (cmp != 0) {
             return cmp;
         }
-        return new Integer(getRuleIndex()).compareTo(new Integer(o.getRuleIndex()));
+        return Integer.compare(getRuleIndex(), o.getRuleIndex());
     }
     
     @Override

src/java/org/apache/poi/ss/util/NumberComparer.java

@@ -131,7 +131,7 @@ public final class NumberComparer {
 	 * If both numbers are subnormal, Excel seems to use standard comparison rules
 	 */
 	private static int compareSubnormalNumbers(long fracA, long fracB, boolean isNegative) {
-		int cmp = fracA > fracB ? +1 : fracA < fracB ? -1 : 0;
+		int cmp = Long.compare(fracA, fracB);
 
 		return isNegative ? -cmp : cmp;
 	}

src/ooxml/java/org/apache/poi/xssf/util/CTColComparator.java

@@ -30,7 +30,7 @@ public class CTColComparator {
         public int compare(CTCol col1, CTCol col2) {
             long col1max = col1.getMax();
             long col2max = col2.getMax();
-            return col1max < col2max ? -1 : col1max > col2max ? 1 : 0;
+            return Long.compare(col1max, col2max);
         }
     };
 

src/scratchpad/src/org/apache/poi/hsmf/datatypes/RecipientChunks.java

@@ -222,13 +222,7 @@ public final class RecipientChunks implements ChunkGroupWithProperties {
             implements Comparator<RecipientChunks>, Serializable {
         @Override
         public int compare(RecipientChunks a, RecipientChunks b) {
-            if (a.recipientNumber < b.recipientNumber) {
-                return -1;
-            }
-            if (a.recipientNumber > b.recipientNumber) {
-                return +1;
-            }
-            return 0;
+            return Integer.compare(a.recipientNumber, b.recipientNumber);
         }
     }
 }

src/scratchpad/src/org/apache/poi/hsmf/dev/TypesLister.java

@@ -43,9 +43,7 @@ public class TypesLister {
       ArrayList<MAPIProperty> all = new ArrayList<>(MAPIProperty.getAll());
       Collections.sort(all, new Comparator<MAPIProperty>() {
          public int compare(MAPIProperty a, MAPIProperty b) {
-            if(a.id < b.id) return -1;
-            if(a.id > b.id) return +1;
-            return 0;
+             return Integer.compare(a.id, b.id);
          }
       });
       list(all, out);

src/scratchpad/src/org/apache/poi/hwpf/converter/AbstractWordConverter.java

@@ -102,7 +102,7 @@ public abstract class AbstractWordConverter
 
         public int compareTo( Structure o )
         {
-            return start < o.start ? -1 : start == o.start ? 0 : 1;
+            return Integer.compare(start, o.start);
         }
 
         @Override

src/scratchpad/src/org/apache/poi/hwpf/model/PropertyNode.java

@@ -43,8 +43,7 @@ public abstract class PropertyNode<T extends PropertyNode<T>> implements Compara
         public int compare(PropertyNode<?> o1, PropertyNode<?> o2) {
             int thisVal = o1.getEnd();
             int anotherVal = o2.getEnd();
-            return (thisVal < anotherVal ? -1 : (thisVal == anotherVal ? 0
-                    : 1));
+            return (Integer.compare(thisVal, anotherVal));
         }
     }
 
@@ -55,8 +54,7 @@ public abstract class PropertyNode<T extends PropertyNode<T>> implements Compara
         public int compare(PropertyNode<?> o1, PropertyNode<?> o2) {
             int thisVal = o1.getStart();
             int anotherVal = o2.getStart();
-            return (thisVal < anotherVal ? -1 : (thisVal == anotherVal ? 0
-                    : 1));
+            return (Integer.compare(thisVal, anotherVal));
         }
     }
 
@@ -175,12 +173,6 @@ public abstract class PropertyNode<T extends PropertyNode<T>> implements Compara
      */
     public int compareTo(T o) {
         int cpEnd = o.getEnd();
-        if (_cpEnd == cpEnd) {
-            return 0;
-        } else if (_cpEnd < cpEnd) {
-            return -1;
-        } else {
-            return 1;
-        }
+        return Integer.compare(_cpEnd, cpEnd);
     }
 }

src/scratchpad/src/org/apache/poi/hwpf/model/TextPieceTable.java

@@ -449,15 +449,8 @@ public class TextPieceTable implements CharIndexTranslator {
 
     protected static class FCComparator implements Comparator<TextPiece>, Serializable {
         public int compare(TextPiece textPiece, TextPiece textPiece1) {
-            if (textPiece.getPieceDescriptor().fc > textPiece1
-                    .getPieceDescriptor().fc) {
-                return 1;
-            } else if (textPiece.getPieceDescriptor().fc < textPiece1
-                    .getPieceDescriptor().fc) {
-                return -1;
-            } else {
-                return 0;
-            }
+            return Integer.compare(textPiece.getPieceDescriptor().fc, textPiece1
+                    .getPieceDescriptor().fc);
         }
     }
 }

src/scratchpad/src/org/apache/poi/hwpf/usermodel/FieldsImpl.java

@@ -267,7 +267,7 @@ public class FieldsImpl implements Fields
         {
             int thisVal = o1.getFcStart();
             int anotherVal = o2.getFcStart();
-            return thisVal < anotherVal ? -1 : thisVal == anotherVal ? 0 : 1;
+            return Integer.compare(thisVal, anotherVal);
         }
     }
 

src/testcases/org/apache/poi/ss/util/TestNumberComparer.java

@@ -93,7 +93,7 @@ public final class TestNumberComparer {
 	private static boolean confirm(int i, double a, double b, int expRes) {
 		int actRes = NumberComparer.compare(a, b);
 
-		int sgnActRes = actRes < 0 ? -1 : actRes > 0 ? +1 : 0;
+		int sgnActRes = Integer.compare(actRes, 0);
 		if (sgnActRes != expRes) {
 			System.err.println("Mismatch example[" + i + "] ("
 					+ formatDoubleAsHex(a) + ", " + formatDoubleAsHex(b) + ") expected "