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/*********************************************************************
* Copyright (c) 2004, 2007 Boeing
*
* This program and the accompanying materials are made
* available under the terms of the Eclipse Public License 2.0
* which is available at https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Boeing - initial API and implementation
**********************************************************************/
package org.eclipse.osee.framework.jdk.core.util.io.xml;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Collection;
/**
* @author Ryan D. Brooks
*/
public abstract class AbstractSheetWriter implements ISheetWriter {
private boolean startRow;
private int implicitCellIndex;
public AbstractSheetWriter() {
startRow = true;
implicitCellIndex = 0;
}
@Override
public void startSheet(String worksheetName, int columnCount, File file) throws IOException {
startSheet(worksheetName, columnCount, file == null ? null : new BufferedWriter(new FileWriter(file)));
}
/**
* must be called by subclasses in their implementations of writeCell(String data, int cellIndex)
*/
protected void startRowIfNecessary() throws IOException {
if (startRow) {
startRow();
startRow = false;
}
}
@Override
public void writeRow(Collection<?> row) throws IOException {
writeRow(row.toArray(new Object[row.size()]));
}
@Override
public void writeRow(Object... row) throws IOException {
for (int i = 0; i < row.length; i++) {
writeCell(row[i], implicitCellIndex);
}
endRow();
}
/**
* when calling writeCell with an index, the implicit index will be set to one greater than the given index
*/
@Override
public void writeCell(Object data, int cellIndex) throws IOException {
startRowIfNecessary();
implicitCellIndex = cellIndex + 1;
writeCellText(data, cellIndex);
}
@Override
public void endRow() throws IOException {
startRowIfNecessary();
startRow = true;
implicitCellIndex = 0;
writeEndRow();
}
/**
* every time you call writeCell, the implicit index will be incremented
*/
@Override
public void writeCell(Object cellData) throws IOException {
writeCell(cellData, implicitCellIndex);
}
@Override
public void writeEmptyCell() throws IOException {
writeCell(null);
}
protected abstract void startRow() throws IOException;
protected abstract void writeEndRow() throws IOException;
protected abstract void writeCellText(Object data, int cellIndex) throws IOException;
}
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