org.apache.poi.ss.util.CellRangeAddress Maven / Gradle / Ivy
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package org.apache.poi.ss.util;
import org.apache.poi.hssf.record.RecordInputStream;
import org.apache.poi.hssf.record.SelectionRecord;
import org.apache.poi.util.LittleEndianByteArrayOutputStream;
import org.apache.poi.util.LittleEndianOutput;
/**
* See OOO documentation: excelfileformat.pdf sec 2.5.14 - 'Cell Range Address'
*
* Note - {@link SelectionRecord} uses the BIFF5 version of this structure
* @author Dragos Buleandra ([email protected])
*/
public class CellRangeAddress extends CellRangeAddressBase {
/*
* TODO - replace org.apache.poi.hssf.util.Region
*/
public static final int ENCODED_SIZE = 8;
public CellRangeAddress(int firstRow, int lastRow, int firstCol, int lastCol) {
super(firstRow, lastRow, firstCol, lastCol);
}
/**
* @deprecated use {@link #serialize(LittleEndianOutput)}
*/
public int serialize(int offset, byte[] data) {
serialize(new LittleEndianByteArrayOutputStream(data, offset, ENCODED_SIZE));
return ENCODED_SIZE;
}
public void serialize(LittleEndianOutput out) {
out.writeShort(getFirstRow());
out.writeShort(getLastRow());
out.writeShort(getFirstColumn());
out.writeShort(getLastColumn());
}
public CellRangeAddress(RecordInputStream in) {
super(readUShortAndCheck(in), in.readUShort(), in.readUShort(), in.readUShort());
}
private static int readUShortAndCheck(RecordInputStream in) {
if (in.remaining() < ENCODED_SIZE) {
// Ran out of data
throw new RuntimeException("Ran out of data reading CellRangeAddress");
}
return in.readUShort();
}
public CellRangeAddress copy() {
return new CellRangeAddress(getFirstRow(), getLastRow(), getFirstColumn(), getLastColumn());
}
public static int getEncodedSize(int numberOfItems) {
return numberOfItems * ENCODED_SIZE;
}
public String formatAsString() {
StringBuffer sb = new StringBuffer();
CellReference cellRefFrom = new CellReference(getFirstRow(), getFirstColumn());
CellReference cellRefTo = new CellReference(getLastRow(), getLastColumn());
sb.append(cellRefFrom.formatAsString());
sb.append(':');
sb.append(cellRefTo.formatAsString());
return sb.toString();
}
public static CellRangeAddress valueOf(String ref) {
int sep = ref.indexOf(":");
CellReference cellFrom = new CellReference(ref.substring(0, sep));
CellReference cellTo = new CellReference(ref.substring(sep + 1));
return new CellRangeAddress(cellFrom.getRow(), cellTo.getRow(), cellFrom.getCol(), cellTo.getCol());
}
}