/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* 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
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.tika.eval.reports;
import java.nio.file.Paths;
import java.sql.ResultSet;
import java.sql.SQLException;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.Font;
import org.apache.poi.ss.usermodel.Hyperlink;
import org.apache.poi.ss.usermodel.IndexedColors;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
public class XLSXHREFFormatter implements XSLXCellFormatter {
//xlsx files can only have this many hyperlinks
//if they have more Excel can't read the file
private static final int MAX_HYPERLINKS = 65000;
private final String urlBase;
private final int linkType;
private XSSFWorkbook workbook;
private CellStyle style;
private int links = 0;
public XLSXHREFFormatter(String urlBase,
int linkType) {
this.urlBase = urlBase;
this.linkType = linkType;
}
@Override
public void reset(XSSFWorkbook workbook) {
this.workbook = workbook;
style = workbook.createCellStyle();
Font hlinkFont = workbook.createFont();
hlinkFont.setUnderline(Font.U_SINGLE);
hlinkFont.setColor(IndexedColors.BLUE.getIndex());
style.setFont(hlinkFont);
links = 0;
}
@Override
public void applyStyleAndValue(int dbColNum, ResultSet resultSet, Cell cell) throws SQLException {
if (links < MAX_HYPERLINKS) {
Hyperlink hyperlink = workbook.getCreationHelper().createHyperlink(linkType);
String path = resultSet.getString(dbColNum);
String address = urlBase+path;
hyperlink.setAddress(address);
cell.setHyperlink(hyperlink);
cell.setCellStyle(style);
String fName = Paths.get(path).getFileName().toString();
cell.setCellValue(fName);
links++;
} else {
//silently stop adding hyperlinks
}
}
}