first commit

hrmsEjb/jxl/write/biff/DateRecord.java

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+package jxl.write.biff;
+
+import common.Logger;
+import java.text.DateFormat;
+import java.util.Calendar;
+import java.util.Date;
+import jxl.Cell;
+import jxl.CellType;
+import jxl.DateCell;
+import jxl.biff.DoubleHelper;
+import jxl.biff.Type;
+import jxl.format.CellFormat;
+import jxl.write.DateFormats;
+import jxl.write.WritableCellFormat;
+
+public abstract class DateRecord extends CellValue {
+  private static Logger logger = Logger.getLogger(DateRecord.class);
+  
+  private double value;
+  
+  private Date date;
+  
+  private boolean time;
+  
+  private static final int utcOffsetDays = 25569;
+  
+  private static final long msInADay = 86400000L;
+  
+  static final WritableCellFormat defaultDateFormat = new WritableCellFormat(DateFormats.DEFAULT);
+  
+  private static final int nonLeapDay = 61;
+  
+  protected static final class GMTDate {}
+  
+  protected DateRecord(int c, int r, Date d) {
+    this(c, r, d, (CellFormat)defaultDateFormat, true);
+  }
+  
+  protected DateRecord(int c, int r, Date d, GMTDate a) {
+    this(c, r, d, (CellFormat)defaultDateFormat, false);
+  }
+  
+  protected DateRecord(int c, int r, Date d, CellFormat st) {
+    super(Type.NUMBER, c, r, st);
+    this.date = d;
+    calculateValue(true);
+  }
+  
+  protected DateRecord(int c, int r, Date d, CellFormat st, GMTDate a) {
+    super(Type.NUMBER, c, r, st);
+    this.date = d;
+    calculateValue(false);
+  }
+  
+  protected DateRecord(int c, int r, Date d, CellFormat st, boolean tim) {
+    super(Type.NUMBER, c, r, st);
+    this.date = d;
+    this.time = tim;
+    calculateValue(false);
+  }
+  
+  protected DateRecord(DateCell dc) {
+    super(Type.NUMBER, (Cell)dc);
+    this.date = dc.getDate();
+    this.time = dc.isTime();
+    calculateValue(false);
+  }
+  
+  protected DateRecord(int c, int r, DateRecord dr) {
+    super(Type.NUMBER, c, r, dr);
+    this.value = dr.value;
+    this.time = dr.time;
+    this.date = dr.date;
+  }
+  
+  private void calculateValue(boolean adjust) {
+    long zoneOffset = 0L;
+    long dstOffset = 0L;
+    if (adjust) {
+      Calendar cal = Calendar.getInstance();
+      cal.setTime(this.date);
+      zoneOffset = cal.get(15);
+      dstOffset = cal.get(16);
+    } 
+    long utcValue = this.date.getTime() + zoneOffset + dstOffset;
+    double utcDays = utcValue / 8.64E7D;
+    this.value = utcDays + 25569.0D;
+    if (!this.time && this.value < 61.0D)
+      this.value--; 
+    if (this.time)
+      this.value -= (int)this.value; 
+  }
+  
+  public CellType getType() {
+    return CellType.DATE;
+  }
+  
+  public byte[] getData() {
+    byte[] celldata = super.getData();
+    byte[] data = new byte[celldata.length + 8];
+    System.arraycopy(celldata, 0, data, 0, celldata.length);
+    DoubleHelper.getIEEEBytes(this.value, data, celldata.length);
+    return data;
+  }
+  
+  public String getContents() {
+    return this.date.toString();
+  }
+  
+  protected void setDate(Date d) {
+    this.date = d;
+    calculateValue(true);
+  }
+  
+  protected void setDate(Date d, GMTDate a) {
+    this.date = d;
+    calculateValue(false);
+  }
+  
+  public Date getDate() {
+    return this.date;
+  }
+  
+  public boolean isTime() {
+    return this.time;
+  }
+  
+  public DateFormat getDateFormat() {
+    return null;
+  }
+}