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