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* 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
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package org.apache.poi.xwpf.usermodel.examples;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.xddf.usermodel.chart.AxisOrientation;
import org.apache.poi.xddf.usermodel.chart.AxisPosition;
import org.apache.poi.xddf.usermodel.chart.BarDirection;
import org.apache.poi.xddf.usermodel.chart.XDDFBarChartData;
import org.apache.poi.xddf.usermodel.chart.XDDFChartData;
import org.apache.poi.xddf.usermodel.chart.XDDFDataSource;
import org.apache.poi.xddf.usermodel.chart.XDDFDataSourcesFactory;
import org.apache.poi.xddf.usermodel.chart.XDDFNumericalDataSource;
import org.apache.poi.xwpf.usermodel.XWPFChart;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
/**
* Build a bar chart from a template docx
*/
public class BarChartExampleDOCX {
private static void usage(){
System.out.println("Usage: BarChartDemo ");
System.out.println(" bar-chart-template.docx template with a bar chart");
System.out.println(" bar-chart-data.txt the model to set. First line is chart title, " +
"then go pairs {axis-label value}");
}
public static void main(String[] args) throws Exception {
if(args.length < 2) {
usage();
return;
}
try (FileInputStream argIS = new FileInputStream(args[0]);
BufferedReader modelReader = new BufferedReader(new FileReader(args[1]))) {
String chartTitle = modelReader.readLine(); // first line is chart title
// Category Axis Data
List listCategories = new ArrayList(3);
// Values
List listValues = new ArrayList(3);
// set model
String ln;
while((ln = modelReader.readLine()) != null) {
String[] vals = ln.split("\\s+");
listCategories.add(vals[0]);
listValues.add(Double.valueOf(vals[1]));
}
String[] categories = listCategories.toArray(new String[listCategories.size()]);
Double[] values = listValues.toArray(new Double[listValues.size()]);
try (XWPFDocument doc = new XWPFDocument(argIS)) {
XWPFChart chart = doc.getCharts().get(0);
setBarData(chart, chartTitle, categories, values);
chart = doc.getCharts().get(1);
setColumnData(chart, "Column variant");
// save the result
try (OutputStream out = new FileOutputStream("bar-chart-demo-output.docx")) {
doc.write(out);
}
}
}
System.out.println("Done");
}
private static void setBarData(XWPFChart chart, String chartTitle, String[] categories, Double[] values) {
final List series = chart.getChartSeries();
final XDDFBarChartData bar = (XDDFBarChartData) series.get(0);
final int numOfPoints = categories.length;
final String categoryDataRange = chart.formatRange(new CellRangeAddress(1, numOfPoints, 0, 0));
final String valuesDataRange = chart.formatRange(new CellRangeAddress(1, numOfPoints, 1, 1));
final String valuesDataRange2 = chart.formatRange(new CellRangeAddress(1, numOfPoints, 2, 2));
final XDDFDataSource categoriesData = XDDFDataSourcesFactory.fromArray(categories, categoryDataRange, 0);
final XDDFNumericalDataSource valuesData = XDDFDataSourcesFactory.fromArray(values, valuesDataRange, 1);
values[2] = 10.0;
final XDDFNumericalDataSource valuesData2 = XDDFDataSourcesFactory.fromArray(values, valuesDataRange2, 2);
bar.getSeries().get(0).replaceData(categoriesData, valuesData);
bar.addSeries(categoriesData, valuesData2);
bar.getSeries().get(0).setTitle(chartTitle, chart.setSheetTitle(chartTitle));
chart.plot(bar);
}
private static void setColumnData(XWPFChart chart, String chartTitle) {
// Series Text
List series = chart.getChartSeries();
XDDFBarChartData bar = (XDDFBarChartData) series.get(0);
bar.getSeries().get(0).setTitle(chartTitle, chart.setSheetTitle(chartTitle));
// in order to transform a bar chart into a column chart, you just need to change the bar direction
bar.setBarDirection(BarDirection.COL);
// additionally, you can adjust the axes
bar.getCategoryAxis().setOrientation(AxisOrientation.MAX_MIN);
bar.getValueAxes().get(0).setPosition(AxisPosition.TOP);
}
}
