net.sf.jasperreports.engine.export.Grid Maven / Gradle / Ivy
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2019 TIBCO Software Inc. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* JasperReports is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with JasperReports. If not, see .
*/
package net.sf.jasperreports.engine.export;
/**
* @author Lucian Chirita ([email protected])
*/
public class Grid
{
private final int rowCount;
private final int columnCount;
private JRExporterGridCell[] cells;
public Grid(int rowCount, int columnCount)
{
this.rowCount = rowCount;
this.columnCount = columnCount;
this.cells = new JRExporterGridCell[rowCount * columnCount];
}
public int getRowCount()
{
return rowCount;
}
public int getColumnCount()
{
return columnCount;
}
public GridRow getRow(int row)
{
rowBoundsCheck(row);
return new GridRow(cells, row * columnCount, columnCount);
}
private void rowBoundsCheck(int row)
{
if (row < 0 || row >= rowCount)
{
throw new IndexOutOfBoundsException("row index " + row + " out of bounds, size " + rowCount);
}
}
private void columnBoundsCheck(int column)
{
if (column < 0 || column >= columnCount)
{
throw new IndexOutOfBoundsException("column index " + column + " out of bounds, size " + columnCount);
}
}
public void set(int row, int column, JRExporterGridCell cell)
{
rowBoundsCheck(row);
columnBoundsCheck(column);
cells[row * columnCount + column] = cell;
}
public JRExporterGridCell get(int row, int column)
{
rowBoundsCheck(row);
columnBoundsCheck(column);
return cells[row * columnCount + column];
}
}