Large tables

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8th November 2015
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Example that shows how you can add a table little by little in order to keep the memory footprint low.



IncompleteTable.java
/**
 * Example written by Bruno Lowagie
 */
package sandbox.tables;

import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.PageSize;
import com.itextpdf.text.pdf.PdfPTable;
import com.itextpdf.text.pdf.PdfWriter;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import sandbox.WrapToTest;

@WrapToTest
public class IncompleteTable {
    public static final String DEST = "results/tables/incomplete_table.pdf";

    public static void main(String[] args) throws IOException,
            DocumentException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new IncompleteTable().createPdf(DEST);
    }
    public void createPdf(String dest) throws IOException, DocumentException {
        Document document = new Document(PageSize.LETTER);
        PdfWriter.getInstance(document, new FileOutputStream(dest));

        document.open();
        PdfPTable table = new PdfPTable(5);
        table.setHeaderRows(1);
        table.setSplitRows(false);
        table.setComplete(false);

        for (int i = 0; i < 5; i++) {table.addCell("Header " + i);}

        for (int i = 0; i < 500; i++) {
            if (i%5 == 0) {
                document.add(table);
            }
            table.addCell("Test " + i);
        }

        table.setComplete(true);
        document.add(table);
        document.close();
    }

}
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