Render data as table

This is a code example of iText PDF, discover more.

31st May 2016
admin-marketing
ArrayToTable.java
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/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2019 iText Group NV
    Authors: iText Software.
 
    For more information, please contact iText Software at this address:
    sales@itextpdf.com
 */
/**
 * Example written by Bruno Lowagie in answer to the following question:
 * http://stackoverflow.com/questions/24404686/i-need-to-create-a-table-and-assign-the-values-into-the-table-in-pdf-using-javaf
 */
package com.itextpdf.samples.sandbox.tables;
 
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.Cell;
import com.itextpdf.layout.element.Paragraph;
import com.itextpdf.layout.element.Table;
import com.itextpdf.layout.property.UnitValue;
import com.itextpdf.samples.GenericTest;
import com.itextpdf.test.annotations.type.SampleTest;
 
import org.junit.experimental.categories.Category;
 
import java.io.File;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
 
@Category(SampleTest.class)
public class ArrayToTable extends GenericTest {
    public static final String DEST = "./target/test/resources/sandbox/tables/array_to_table.pdf";
 
    public static void main(String[] args) throws Exception {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new ArrayToTable().manipulatePdf(DEST);
    }
 
    @Override
    protected void manipulatePdf(String dest) throws Exception {
        PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
        Document doc = new Document(pdfDoc);
 
        Table table = new Table(UnitValue.createPercentArray(8)).useAllAvailableWidth();
        List<List<String>> dataset = getData();
        for (List<String> record : dataset) {
            for (String field : record) {
                table.addCell(new Cell().add(new Paragraph(field)));
            }
        }
        doc.add(table);
 
        doc.close();
    }
 
    public List<List<String>> getData() {
        List<List<String>> data = new ArrayList<>();
        String[] tableTitleList = {" Title", " (Re)set", " Obs", " Mean", " Std.Dev", " Min", " Max", "Unit"};
        data.add(Arrays.asList(tableTitleList));
        for (int i = 0; i < 10; ) {
            List<String> dataLine = new ArrayList<>();
            i++;
            for (int j = 0; j < tableTitleList.length; j++) {
                dataLine.add(tableTitleList[j] + " " + i);
            }
            data.add(dataLine);
        }
        return data;
    }
}
UnitedStates.java
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/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2019 iText Group NV
    Authors: iText Software.
 
    For more information, please contact iText Software at this address:
    sales@itextpdf.com
 */
package com.itextpdf.samples.sandbox.tables;
 
import com.itextpdf.io.font.constants.StandardFonts;
import com.itextpdf.kernel.font.PdfFont;
import com.itextpdf.kernel.font.PdfFontFactory;
import com.itextpdf.kernel.geom.PageSize;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.Cell;
import com.itextpdf.layout.element.Paragraph;
import com.itextpdf.layout.element.Table;
import com.itextpdf.layout.property.UnitValue;
import com.itextpdf.samples.GenericTest;
import com.itextpdf.test.annotations.type.SampleTest;
 
import org.junit.experimental.categories.Category;
 
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.util.StringTokenizer;
 
@Category(SampleTest.class)
public class UnitedStates extends GenericTest {
    public static final String DATA = "./src/test/resources/data/united_states.csv";
    public static final String DEST = "./target/test/resources/sandbox/tables/united_states.pdf";
 
    public static void main(String[] args) throws Exception {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new UnitedStates().manipulatePdf(DEST);
    }
 
    public void process(Table table, String line, PdfFont font, boolean isHeader) {
        StringTokenizer tokenizer = new StringTokenizer(line, ";");
        while (tokenizer.hasMoreTokens()) {
            if (isHeader) {
                table.addHeaderCell(new Cell().add(new Paragraph(tokenizer.nextToken()).setFont(font)));
            } else {
                table.addCell(new Cell().add(new Paragraph(tokenizer.nextToken()).setFont(font)));
            }
        }
    }
 
    @Override
    protected void manipulatePdf(String dest) throws Exception {
        PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
        Document doc = new Document(pdfDoc, new PageSize(PageSize.A4).rotate());
 
        PdfFont font = PdfFontFactory.createFont(StandardFonts.HELVETICA);
        PdfFont bold = PdfFontFactory.createFont(StandardFonts.HELVETICA_BOLD);
        Table table = new Table(UnitValue.createPercentArray(new float[]{14, 6, 12, 16, 12, 12, 12, 12, 6}));
        BufferedReader br = new BufferedReader(new FileReader(DATA));
        String line = br.readLine();
        process(table, line, bold, true);
        while ((line = br.readLine()) != null) {
            process(table, line, font, false);
        }
        br.close();
        doc.add(table);
 
        doc.close();
    }
 
}

Click the following link to see the legacy example for iText 5. Except for security fixes, iText 5 is no longer being developed.



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