// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.plugins.opendata.core.io.tabular;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import org.jopendocument.model.OpenDocument;
import org.jopendocument.model.office.OfficeSpreadsheet;
import org.jopendocument.model.table.TableTable;
import org.jopendocument.model.table.TableTableCell;
import org.jopendocument.model.table.TableTableRow;
import org.jopendocument.model.text.TextP;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.data.osm.DataSet;
import org.openstreetmap.josm.gui.progress.ProgressMonitor;
import org.openstreetmap.josm.plugins.opendata.core.datasets.AbstractDataSetHandler;
public class OdsReader extends SpreadSheetReader {
private OpenDocument doc;
private TableTable sheet;
private List<TableTableRow> rows;
private int rowIndex;
private static final String SEP = "TextP:[";
public OdsReader(SpreadSheetHandler handler) {
super(handler);
}
public static DataSet parseDataSet(InputStream in,
AbstractDataSetHandler handler, ProgressMonitor instance) throws IOException {
return new OdsReader(handler != null ? handler.getSpreadSheetHandler() : null).parse(in, instance);
}
@Override
protected void initResources(InputStream in, ProgressMonitor progressMonitor) throws IOException {
try {
Main.info("Parsing ODS file");
doc = new OdsDocument(in);
List<OfficeSpreadsheet> spreadsheets = doc.getBody().getOfficeSpreadsheets();
if (spreadsheets != null && spreadsheets.size() > 0) {
List<TableTable> tables = spreadsheets.get(0).getTables();
if (tables != null && tables.size() > 0) {
sheet = tables.get(getSheetNumber());
if (sheet != null) {
rows = sheet.getRows();
}
}
}
rowIndex = 0;
} catch (Exception e) {
throw new IOException(e);
}
}
@Override
protected String[] readLine(ProgressMonitor progressMonitor) throws IOException {
if (rows != null && rowIndex < rows.size()) {
TableTableRow row = rows.get(rowIndex++);
if (rowIndex % 5000 == 0) {
Main.info("Lines read: "+rowIndex);
}
List<String> result = new ArrayList<>();
boolean allFieldsBlank = true;
for (TableTableCell cell : row.getAllCells()) {
TextP textP = cell.getTextP();
String text = textP == null ? "" : textP.toString().replace(SEP, "").replace("]", "").replace("null", "").trim();
result.add(text);
if (allFieldsBlank && !text.isEmpty()) {
allFieldsBlank = false;
}
}
return rowIndex == 1 || !allFieldsBlank ? result.toArray(new String[0]) : null;
}
return null;
}
}