From 09c79ffed4e5048860d26e19a85aaecb4d5a5edf Mon Sep 17 00:00:00 2001
From: Yegor Kozlov <yegor@apache.org>
Date: Wed, 5 Jun 2013 02:03:07 +0000
Subject: [PATCH] fixed compatibility issues with JDK 1.5

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1489685 13f79535-47bb-0310-9956-ffa450edef68
---
 .../apache/poi/ss/formula/functions/Complex.java |  2 +-
 .../poi/ss/formula/functions/Quotient.java       |  2 +-
 .../apache/poi/ss/formula/functions/Rept.java    |  1 -
 .../poi/hwpf/model/UnhandledDataStructure.java   | 16 +++++++++++++++-
 4 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/src/java/org/apache/poi/ss/formula/functions/Complex.java b/src/java/org/apache/poi/ss/formula/functions/Complex.java
index 171898112..51c1770b1 100644
--- a/src/java/org/apache/poi/ss/formula/functions/Complex.java
+++ b/src/java/org/apache/poi/ss/formula/functions/Complex.java
@@ -70,7 +70,7 @@ public class Complex extends Var2or3ArgFunction implements FreeRefFunction {
         }
 
         String suffixValue = OperandResolver.coerceValueToString(suffix);
-        if (suffixValue.isEmpty()) {
+        if (suffixValue.length() == 0) {
             suffixValue = DEFAULT_SUFFIX;
         }
         if (suffixValue.equals(DEFAULT_SUFFIX.toUpperCase()) || suffixValue.equals(SUPPORTED_SUFFIX.toUpperCase())) {
diff --git a/src/java/org/apache/poi/ss/formula/functions/Quotient.java b/src/java/org/apache/poi/ss/formula/functions/Quotient.java
index b314f2f26..f1ed483ad 100644
--- a/src/java/org/apache/poi/ss/formula/functions/Quotient.java
+++ b/src/java/org/apache/poi/ss/formula/functions/Quotient.java
@@ -23,7 +23,7 @@ import org.apache.poi.ss.formula.eval.*;
  * @author cedric dot walter @ gmail dot com
  */
 public class Quotient extends Fixed2ArgFunction {
-    @Override
+
     public ValueEval evaluate(int srcRowIndex, int srcColumnIndex, ValueEval venumerator, ValueEval vedenominator) {
 
         double enumerator = 0;
diff --git a/src/java/org/apache/poi/ss/formula/functions/Rept.java b/src/java/org/apache/poi/ss/formula/functions/Rept.java
index a971e6b6d..b93d96915 100644
--- a/src/java/org/apache/poi/ss/formula/functions/Rept.java
+++ b/src/java/org/apache/poi/ss/formula/functions/Rept.java
@@ -42,7 +42,6 @@ import java.math.BigDecimal;
 public class Rept extends Fixed2ArgFunction  {
 
 
-    @Override
     public ValueEval evaluate(int srcRowIndex, int srcColumnIndex, ValueEval text, ValueEval number_times) {
 
         ValueEval veText1;
diff --git a/src/scratchpad/src/org/apache/poi/hwpf/model/UnhandledDataStructure.java b/src/scratchpad/src/org/apache/poi/hwpf/model/UnhandledDataStructure.java
index 967f46e80..ac11f4b8b 100644
--- a/src/scratchpad/src/org/apache/poi/hwpf/model/UnhandledDataStructure.java
+++ b/src/scratchpad/src/org/apache/poi/hwpf/model/UnhandledDataStructure.java
@@ -48,9 +48,23 @@ public final class UnhandledDataStructure
     }
     
     // Save that requested portion of the data 
-    _buf = Arrays.copyOfRange(buf, offset, offsetEnd);
+    _buf = copyOfRange(buf, offset, offsetEnd);
+
   }
 
+    /**
+     * YK: Arrays.copyOfRange is not in JDK 1.5
+     */
+    static byte[] copyOfRange(byte[] original, int from, int to) {
+        int newLength = to - from;
+        if (newLength < 0)
+            throw new IllegalArgumentException(from + " > " + to);
+        byte[] copy = new byte[newLength];
+        System.arraycopy(original, from, copy, 0,
+                Math.min(original.length - from, newLength));
+        return copy;
+    }
+
   byte[] getBuf()
   {
     return _buf;