first commit

hrmsEjb/jxl/write/biff/IndexRecord.java

@@ -0,0 +1,40 @@
+package jxl.write.biff;
+
+import jxl.biff.IntegerHelper;
+import jxl.biff.Type;
+import jxl.biff.WritableRecordData;
+
+class IndexRecord extends WritableRecordData {
+  private byte[] data;
+  
+  private int rows;
+  
+  private int bofPosition;
+  
+  private int blocks;
+  
+  private int dataPos;
+  
+  public IndexRecord(int pos, int r, int bl) {
+    super(Type.INDEX);
+    this.bofPosition = pos;
+    this.rows = r;
+    this.blocks = bl;
+    this.data = new byte[16 + 4 * this.blocks];
+    this.dataPos = 16;
+  }
+  
+  protected byte[] getData() {
+    IntegerHelper.getFourBytes(this.rows, this.data, 8);
+    return this.data;
+  }
+  
+  void addBlockPosition(int pos) {
+    IntegerHelper.getFourBytes(pos - this.bofPosition, this.data, this.dataPos);
+    this.dataPos += 4;
+  }
+  
+  void setDataStartPosition(int pos) {
+    IntegerHelper.getFourBytes(pos - this.bofPosition, this.data, 12);
+  }
+}