org.apache.poi.ss.util.CellRangeAddressBase Maven / Gradle / Ivy
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this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
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limitations under the License.
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package org.apache.poi.ss.util;
import org.apache.poi.ss.SpreadsheetVersion;
/**
* See OOO documentation: excelfileformat.pdf sec 2.5.14 - 'Cell Range Address'
*
* Common subclass of 8-bit and 16-bit versions
*
* @author Josh Micich
*/
public abstract class CellRangeAddressBase {
private int _firstRow;
private int _firstCol;
private int _lastRow;
private int _lastCol;
protected CellRangeAddressBase(int firstRow, int lastRow, int firstCol, int lastCol) {
_firstRow = firstRow;
_lastRow = lastRow;
_firstCol = firstCol;
_lastCol = lastCol;
}
/**
* Validate the range limits against the supplied version of Excel
*
* @param ssVersion the version of Excel to validate against
* @throws IllegalArgumentException if the range limits are outside of the allowed range
*/
public void validate(SpreadsheetVersion ssVersion) {
validateRow(_firstRow, ssVersion);
validateRow(_lastRow, ssVersion);
validateColumn(_firstCol, ssVersion);
validateColumn(_lastCol, ssVersion);
}
/**
* Runs a bounds check for row numbers
* @param row
*/
private static void validateRow(int row, SpreadsheetVersion ssVersion) {
int maxrow = ssVersion.getLastRowIndex();
if (row > maxrow) throw new IllegalArgumentException("Maximum row number is " + maxrow);
if (row < 0) throw new IllegalArgumentException("Minumum row number is 0");
}
/**
* Runs a bounds check for column numbers
* @param column
*/
private static void validateColumn(int column, SpreadsheetVersion ssVersion) {
int maxcol = ssVersion.getLastColumnIndex();
if (column > maxcol) throw new IllegalArgumentException("Maximum column number is " + maxcol);
if (column < 0) throw new IllegalArgumentException("Minimum column number is 0");
}
//TODO use the correct SpreadsheetVersion
public final boolean isFullColumnRange() {
return (_firstRow == 0 && _lastRow == SpreadsheetVersion.EXCEL97.getLastRowIndex())
|| (_firstRow == -1 && _lastRow == -1);
}
//TODO use the correct SpreadsheetVersion
public final boolean isFullRowRange() {
return (_firstCol == 0 && _lastCol == SpreadsheetVersion.EXCEL97.getLastColumnIndex())
|| (_firstCol == -1 && _lastCol == -1);
}
/**
* @return column number for the upper left hand corner
*/
public final int getFirstColumn() {
return _firstCol;
}
/**
* @return row number for the upper left hand corner
*/
public final int getFirstRow() {
return _firstRow;
}
/**
* @return column number for the lower right hand corner
*/
public final int getLastColumn() {
return _lastCol;
}
/**
* @return row number for the lower right hand corner
*/
public final int getLastRow() {
return _lastRow;
}
/**
* Determines if the given coordinates lie within the bounds
* of this range.
*
* @param rowInd The row, 0-based.
* @param colInd The column, 0-based.
* @return True if the coordinates lie within the bounds, false otherwise.
*/
public boolean isInRange(int rowInd, int colInd) {
return _firstRow <= rowInd && rowInd <= _lastRow &&
_firstCol <= colInd && colInd <= _lastCol;
}
/**
* @param firstCol column number for the upper left hand corner
*/
public final void setFirstColumn(int firstCol) {
_firstCol = firstCol;
}
/**
* @param firstRow row number for the upper left hand corner
*/
public final void setFirstRow(int firstRow) {
_firstRow = firstRow;
}
/**
* @param lastCol column number for the lower right hand corner
*/
public final void setLastColumn(int lastCol) {
_lastCol = lastCol;
}
/**
* @param lastRow row number for the lower right hand corner
*/
public final void setLastRow(int lastRow) {
_lastRow = lastRow;
}
/**
* @return the size of the range (number of cells in the area).
*/
public int getNumberOfCells() {
return (_lastRow - _firstRow + 1) * (_lastCol - _firstCol + 1);
}
@Override
public final String toString() {
CellReference crA = new CellReference(_firstRow, _firstCol);
CellReference crB = new CellReference(_lastRow, _lastCol);
return getClass().getName() + " [" + crA.formatAsString() + ":" + crB.formatAsString() +"]";
}
}