From: James Ahlborn <jtahlborn@yahoo.com>
Date: Mon, 25 Sep 2006 12:49:41 +0000 (+0000)
Subject: add support for get/put int of different byteorder
X-Git-Tag: rel_1_1_7~6
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=c68aa36c48da14ec6db83945d23ee7a4a2803a51;p=jackcess.git

add support for get/put int of different byteorder


git-svn-id: https://svn.code.sf.net/p/jackcess/code/jackcess/trunk@123 f203690c-595d-4dc9-a70b-905162fa7fd2
---

diff --git a/src/java/com/healthmarketscience/jackcess/ByteUtil.java b/src/java/com/healthmarketscience/jackcess/ByteUtil.java
index d6a7f67..fdfa9db 100644
--- a/src/java/com/healthmarketscience/jackcess/ByteUtil.java
+++ b/src/java/com/healthmarketscience/jackcess/ByteUtil.java
@@ -132,6 +132,55 @@ public final class ByteUtil {
     rtn &= 0xFFFFFF;
     return rtn;
   }
+
+  /**
+   * @return an int from the current position in the given buffer, read using
+   *         the given ByteOrder
+   */
+  public static int getInt(ByteBuffer buffer, ByteOrder order) {
+    int offset = buffer.position();
+    int rtn = getInt(buffer, offset, order);
+    buffer.position(offset + 4);
+    return rtn;
+  }
+  
+  /**
+   * @return an int from the given position in the given buffer, read using
+   *         the given ByteOrder
+   */
+  public static int getInt(ByteBuffer buffer, int offset, ByteOrder order) {
+    ByteOrder origOrder = buffer.order();
+    try {
+      return buffer.order(order).getInt(offset);
+    } finally {
+      buffer.order(origOrder);
+    }
+  }
+  
+  /**
+   * Writes an int at the current position in the given buffer, using the
+   * given ByteOrder
+   */
+  public static void putInt(ByteBuffer buffer, int val, ByteOrder order) {
+    int offset = buffer.position();
+    putInt(buffer, val, offset, order);
+    buffer.position(offset + 4);
+  }
+  
+  /**
+   * Writes an int at the given position in the given buffer, using the
+   * given ByteOrder
+   */
+  public static void putInt(ByteBuffer buffer, int val, int offset,
+                           ByteOrder order)
+  {
+    ByteOrder origOrder = buffer.order();
+    try {
+      buffer.order(order).putInt(offset, val);
+    } finally {
+      buffer.order(origOrder);
+    }
+  }
   
   /**
    * Convert a byte buffer to a hexadecimal string for display