IntelliJ warnings, deprecation

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1808928 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/poi/hssf/usermodel/HSSFCell.java

@@ -53,7 +53,6 @@ import org.apache.poi.ss.util.CellAddress;
 import org.apache.poi.ss.util.CellRangeAddress;
 import org.apache.poi.ss.util.CellReference;
 import org.apache.poi.ss.util.NumberToTextConverter;
-import org.apache.poi.util.Internal;
 import org.apache.poi.util.LocaleUtil;
 import org.apache.poi.util.Removal;
 
@@ -306,7 +305,7 @@ public class HSSFCell implements Cell {
                 break;
 
             case NUMERIC :
-                NumberRecord nrec = null;
+                NumberRecord nrec;
 
                 if (cellType != _cellType)
                 {
@@ -356,7 +355,7 @@ public class HSSFCell implements Cell {
                 break;
 
             case BLANK :
-                BlankRecord brec = null;
+                BlankRecord brec;
 
                 if (cellType != _cellType)
                 {
@@ -375,7 +374,7 @@ public class HSSFCell implements Cell {
                 break;
 
             case BOOLEAN :
-                BoolErrRecord boolRec = null;
+                BoolErrRecord boolRec;
 
                 if (cellType != _cellType)
                 {
@@ -396,7 +395,7 @@ public class HSSFCell implements Cell {
                 break;
 
             case ERROR :
-                BoolErrRecord errRec = null;
+                BoolErrRecord errRec;
 
                 if (cellType != _cellType)
                 {
@@ -574,7 +573,7 @@ public class HSSFCell implements Cell {
         if (_cellType != CellType.STRING) {
             setCellType(CellType.STRING, false, row, col, styleIndex);
         }
-        int index = 0;
+        int index;
 
         HSSFRichTextString hvalue = (HSSFRichTextString) value;
         UnicodeString str = hvalue.getUnicodeString();
@@ -1132,8 +1131,6 @@ public class HSSFCell implements Cell {
      * on the cached value of the formula
      *
      * @since POI 4.0
-     * @return <code>CellType</code> depending
-     * on the cached value of the formula
      */
     @Override
     public CellType getCachedFormulaResultType() {
@@ -1182,10 +1179,7 @@ public class HSSFCell implements Cell {
     }
 
     public boolean isPartOfArrayFormulaGroup() {
-        if (_cellType != CellType.FORMULA) {
-            return false;
-        }
-        return ((FormulaRecordAggregate)_record).isPartOfArrayFormula();
+        return _cellType == CellType.FORMULA && ((FormulaRecordAggregate) _record).isPartOfArrayFormula();
     }
 
     /**

src/java/org/apache/poi/hssf/usermodel/HSSFName.java

@@ -175,8 +175,6 @@ public final class HSSFName implements Name {
      * Case sensitivity: all names are case-insensitive
      * 
      * Uniqueness: must be unique (for names with the same scope)
-     *
-     * @param name
      */
     private static void validateName(String name) {
 
@@ -267,11 +265,9 @@ public final class HSSFName implements Name {
     }
 
     public String toString() {
-        StringBuffer sb = new StringBuffer(64);
-        sb.append(getClass().getName()).append(" [");
-        sb.append(_definedNameRec.getNameText());
-        sb.append("]");
-        return sb.toString();
+        return getClass().getName() + " [" +
+                _definedNameRec.getNameText() +
+                "]";
     }
 
     /**

src/java/org/apache/poi/hssf/util/CellReference.java

@@ -21,6 +21,10 @@ package org.apache.poi.hssf.util;
  * Common conversion functions between Excel style A1, C27 style
  *  cell references, and POI usermodel style row=0, column=0
  *  style references.
+ *
+ *  @deprecated POI 4.0.0-SNAPSHOT. Use {@link org.apache.poi.ss.util.CellReference} instead.
+ *          Actually the replacement CellReference was added earlier, but the deprecation notice
+ *          was added only in 4.0.0-SNAPSHOT.
  */
 public final class CellReference extends org.apache.poi.ss.util.CellReference {
     /**

src/java/org/apache/poi/ss/usermodel/CellValue.java

@@ -111,11 +111,9 @@ public final class CellValue {
 	}
 
 	public String toString() {
-		StringBuffer sb = new StringBuffer(64);
-		sb.append(getClass().getName()).append(" [");
-		sb.append(formatAsString());
-		sb.append("]");
-		return sb.toString();
+		return getClass().getName() + " [" +
+				formatAsString() +
+				"]";
 	}
 
 	public String formatAsString() {

src/java/org/apache/poi/ss/usermodel/FormulaEvaluator.java

@@ -76,7 +76,7 @@ public interface FormulaEvaluator {
      * the cell and also its cell type. This method should be preferred over
      * evaluateInCell() when the call should not modify the contents of the
      * original cell.
-     * @param cell
+     * @param cell The {@link Cell} to evaluate
      */
     CellValue evaluate(Cell cell);
 
@@ -144,7 +144,7 @@ public interface FormulaEvaluator {
      * Be aware that your cell value will be changed to hold the
      *  result of the formula. If you simply want the formula
      *  value computed for you, use {@link #evaluateFormulaCell(Cell)}
-     * @param cell
+     * @param cell The {@link Cell} to evaluate and modify.
      */
     Cell evaluateInCell(Cell cell);