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Render data as table

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 java.io.File;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
 
public class ArrayToTable {
    public static final String DEST = "./target/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);
    }
 
    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 java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.util.StringTokenizer;
 
public class UnitedStates {
    public static final String DATA = "./src/test/resources/data/united_states.csv";
    public static final String DEST = "./target/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)));
            }
        }
    }
 
    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();
    }
 
}
ArrayToTable.cs
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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
 */
 
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using iText.Kernel.Pdf;
using iText.Layout;
using iText.Layout.Element;
using iText.Layout.Properties;
 
namespace iText.Samples.Sandbox.Tables
{
    public class ArrayToTable
    {
        public static readonly string DEST = "../../results/sandbox/tables/array_to_table.pdf";
 
        public static void Main(String[] args)
        {
            FileInfo file = new FileInfo(DEST);
            file.Directory.Create();
 
            new ArrayToTable().ManipulatePdf(DEST);
        }
 
        private void ManipulatePdf(string dest)
        {
            PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
            Document doc = new Document(pdfDoc);
 
            // By default column width is calculated automatically for the best fit.
            // useAllAvailableWidth() method set table to use the whole page's width while placing the content.
            Table table = new Table(UnitValue.CreatePercentArray(8)).UseAllAvailableWidth();
 
            List<List<string>> dataset = getData();
            foreach (List<string> record in dataset)
            {
                foreach (string field in record)
                {
                    table.AddCell(new Cell().Add(new Paragraph(field)));
                }
            }
 
            doc.Add(table);
 
            doc.Close();
        }
 
        public List<List<string>> getData()
        {
            List<List<string>> data = new List<List<string>>();
            String[] tableTitleList = {" Title", " (Re)set", " Obs", " Mean", " Std.Dev", " Min", " Max", "Unit"};
            data.Add(tableTitleList.ToList());
 
            for (int i = 0; i < 10;)
            {
                List<string> dataLine = new List<string>();
                i++;
                for (int j = 0; j < tableTitleList.Length; j++)
                {
                    dataLine.Add(tableTitleList[j] + " " + i);
                }
 
                data.Add(dataLine);
            }
 
            return data;
        }
    }
}
UnitedStates.cs
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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
*/
 
using System;
using System.IO;
using iText.IO.Font.Constants;
using iText.IO.Util;
using iText.Kernel.Font;
using iText.Kernel.Geom;
using iText.Kernel.Pdf;
using iText.Layout;
using iText.Layout.Element;
using iText.Layout.Properties;
 
namespace iText.Samples.Sandbox.Tables
{
    public class UnitedStates
    {
        public static readonly string DEST = "../../results/sandbox/tables/united_states.pdf";
 
        public static readonly String DATA = "../../resources/data/united_states.csv";
 
        public static void Main(String[] args)
        {
            FileInfo file = new FileInfo(DEST);
            file.Directory.Create();
 
            new UnitedStates().ManipulatePdf(DEST);
        }
 
        private void ManipulatePdf(String dest)
        {
            PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
            Document doc = new Document(pdfDoc, PageSize.A4.Rotate());
 
            PdfFont helvetica = PdfFontFactory.CreateFont(StandardFonts.HELVETICA);
            PdfFont helveticaBold = PdfFontFactory.CreateFont(StandardFonts.HELVETICA_BOLD);
 
            Table table = new Table(UnitValue.CreatePercentArray(new float[] {14, 6, 12, 16, 12, 12, 12, 12, 6}));
            using (StreamReader br = new StreamReader(DATA))
            {
                String line = br.ReadLine();
 
                // The last argument defines which cell will be added: a header or the usual one
                AddRowToTable(table, line, helveticaBold, true);
                while ((line = br.ReadLine()) != null)
                {
                    AddRowToTable(table, line, helvetica, false);
                }
            }
 
            doc.Add(table);
            
            doc.Close();
        }
 
 
        private void AddRowToTable(Table table, String line, PdfFont font, bool isHeader)
        {
            // Parses string line with specified delimiter 
            StringTokenizer tokenizer = new StringTokenizer(line, ";");
 
            // Creates cells according to parsed csv line
            while (tokenizer.HasMoreTokens())
            {
                Cell cell = new Cell().Add(new Paragraph(tokenizer.NextToken()).SetFont(font));
 
                if (isHeader)
                {
                    table.AddHeaderCell(cell);
                }
                else
                {
                    table.AddCell(cell);
                }
            }
        }
    }
}

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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