What Is poi-examples-5.2.3.jar?

What Is poi-examples-5.2.3.jar?

✍: FYIcenter.com

poi-examples-5.2.3.jar is one of the JAR files for Apache POI 5.2.3, which provides an API for Microsoft document files of Word, Excel, PowerPoint, and Visio.

poi-examples-5.2.3.jar provides examples for both poi.jar and poi-ooxml.jar components.

poi-examples-5.2.3.jar is distributed as part of the poi-bin-5.2.3-20220909.zip download file.

JAR File Size and Download Location:

JAR name: poi-examples-5.2.3.jar
Target JDK version: 1.6
Dependency: 
   poi.jar
   poi-ooxml.jar

File name: poi-examples-5.2.3.jar
File size: 388829 bytes
Release date: 09-09-2022
Download: Apache POI Website

Here are Java Source Code files for poi-examples-5.2.3.jar:

org/apache/poi/examples/xwpf/usermodel/ChartFromScratch.java

/*
 *  ====================================================================
 *    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.poi.examples.xwpf.usermodel;

import java.io.BufferedReader;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;

import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.xddf.usermodel.chart.AxisCrossBetween;
import org.apache.poi.xddf.usermodel.chart.AxisCrosses;
import org.apache.poi.xddf.usermodel.chart.AxisPosition;
import org.apache.poi.xddf.usermodel.chart.AxisTickMark;
import org.apache.poi.xddf.usermodel.chart.BarDirection;
import org.apache.poi.xddf.usermodel.chart.BarGrouping;
import org.apache.poi.xddf.usermodel.chart.ChartTypes;
import org.apache.poi.xddf.usermodel.chart.LegendPosition;
import org.apache.poi.xddf.usermodel.chart.XDDFBarChartData;
import org.apache.poi.xddf.usermodel.chart.XDDFChart;
import org.apache.poi.xddf.usermodel.chart.XDDFChartAxis;
import org.apache.poi.xddf.usermodel.chart.XDDFChartLegend;
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.xddf.usermodel.chart.XDDFValueAxis;
import org.apache.poi.xwpf.usermodel.XWPFChart;
import org.apache.poi.xwpf.usermodel.XWPFDocument;

/**
 * Build a chart without reading template file
 */
@SuppressWarnings({"java:S106","java:S4823","java:S1192"})
public final class ChartFromScratch {
    private ChartFromScratch() {}

    private static void usage(){
        System.out.println("Usage: ChartFromScratch <bar-chart-data.txt>");
        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 < 1) {
            usage();
            return;
        }

        try (BufferedReader modelReader = Files.newBufferedReader(Paths.get(args[0]), StandardCharsets.UTF_8)) {

            String chartTitle = modelReader.readLine();  // first line is chart title
            String seriesText = modelReader.readLine();
            String[] series = seriesText == null ? new String[0] : seriesText.split(",");

            // Category Axis Data
            List<String> listLanguages = new ArrayList<>(10);

            // Values
            List<Double> listCountries = new ArrayList<>(10);
            List<Double> listSpeakers = new ArrayList<>(10);

            // set model
            String ln;
            while((ln = modelReader.readLine()) != null) {
                String[] vals = ln.split(",");
                listCountries.add(Double.valueOf(vals[0]));
                listSpeakers.add(Double.valueOf(vals[1]));
                listLanguages.add(vals[2]);
            }

            String[] categories = listLanguages.toArray(new String[0]);
            Double[] values1 = listCountries.toArray(new Double[0]);
            Double[] values2 = listSpeakers.toArray(new Double[0]);

            try (XWPFDocument doc = new XWPFDocument();
                 OutputStream out = new FileOutputStream("chart-from-scratch.docx")) {
                XWPFChart chart = doc.createChart(XDDFChart.DEFAULT_WIDTH * 10, XDDFChart.DEFAULT_HEIGHT * 15);
                setBarData(chart, chartTitle, series, categories, values1, values2);
                // save the result
                doc.write(out);
            }
        }
        System.out.println("Done");
    }

    private static void setBarData(XWPFChart chart, String chartTitle, String[] series, String[] categories, Double[] values1, Double[] values2) {
        // Use a category axis for the bottom axis.
        XDDFChartAxis bottomAxis = chart.createCategoryAxis(AxisPosition.BOTTOM);
        bottomAxis.setTitle(series[2]);
        XDDFValueAxis leftAxis = chart.createValueAxis(AxisPosition.LEFT);
        leftAxis.setTitle(series[0]+","+series[1]);
        leftAxis.setCrosses(AxisCrosses.AUTO_ZERO);
        leftAxis.setMajorTickMark(AxisTickMark.OUT);
        leftAxis.setCrossBetween(AxisCrossBetween.BETWEEN);

        final int numOfPoints = categories.length;
        final String categoryDataRange = chart.formatRange(new CellRangeAddress(1, numOfPoints, COLUMN_LANGUAGES, COLUMN_LANGUAGES));
        final String valuesDataRange = chart.formatRange(new CellRangeAddress(1, numOfPoints, COLUMN_COUNTRIES, COLUMN_COUNTRIES));
        final String valuesDataRange2 = chart.formatRange(new CellRangeAddress(1, numOfPoints, COLUMN_SPEAKERS, COLUMN_SPEAKERS));
        final XDDFDataSource<?> categoriesData = XDDFDataSourcesFactory.fromArray(categories, categoryDataRange, COLUMN_LANGUAGES);
        final XDDFNumericalDataSource<? extends Number> valuesData = XDDFDataSourcesFactory.fromArray(values1, valuesDataRange, COLUMN_COUNTRIES);
        valuesData.setFormatCode("General");
        values1[6] = 16.0; // if you ever want to change the underlying data, it has to be done before building the data source
        final XDDFNumericalDataSource<? extends Number> valuesData2 = XDDFDataSourcesFactory.fromArray(values2, valuesDataRange2, COLUMN_SPEAKERS);
        valuesData2.setFormatCode("General");


        XDDFBarChartData bar = (XDDFBarChartData) chart.createData(ChartTypes.BAR, bottomAxis, leftAxis);
        bar.setBarGrouping(BarGrouping.CLUSTERED);

        XDDFBarChartData.Series series1 = (XDDFBarChartData.Series) bar.addSeries(categoriesData, valuesData);
        series1.setTitle(series[0], chart.setSheetTitle(series[0], COLUMN_COUNTRIES));

        XDDFBarChartData.Series series2 = (XDDFBarChartData.Series) bar.addSeries(categoriesData, valuesData2);
        series2.setTitle(series[1], chart.setSheetTitle(series[1], COLUMN_SPEAKERS));

        bar.setVaryColors(true);
        bar.setBarDirection(BarDirection.COL);
        chart.plot(bar);

        XDDFChartLegend legend = chart.getOrAddLegend();
        legend.setPosition(LegendPosition.LEFT);
        legend.setOverlay(false);

        chart.setTitleText(chartTitle);
        chart.setTitleOverlay(false);
        chart.setAutoTitleDeleted(false);
    }

    private static final int COLUMN_LANGUAGES = 0;
    private static final int COLUMN_COUNTRIES = 1;
    private static final int COLUMN_SPEAKERS = 2;
}

org/apache/poi/examples/xwpf/usermodel/ChartFromScratch.java

Or download all of them as a single archive file:

File name: poi-examples-5.2.3-src.zip
File size: 396538 bytes
Release date: 2022-09-09
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