Render data as table
Examples written in answer to the questions:
Click How to create a table based on a two-dimensional array?
Click How can I convert a CSV file to a table with a repeating header row?
arraytotable
JAVA
JAVA
/**
* 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 sandbox.tables;
import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
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 java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import sandbox.WrapToTest;
@WrapToTest
public class ArrayToTable {
public static final String DEST = "results/tables/array_to_table.pdf";
public static void main(String[] args) throws IOException, DocumentException {
File file = new File(DEST);
file.getParentFile().mkdirs();
new ArrayToTable().createPdf(DEST);
}
public void createPdf(String dest) throws IOException, DocumentException {
Document document = new Document();
PdfWriter.getInstance(document, new FileOutputStream(dest));
document.open();
PdfPTable table = new PdfPTable(8);
table.setWidthPercentage(100);
List<List<String>> dataset = getData();
for (List<String> record : dataset) {
for (String field : record) {
table.addCell(field);
}
}
document.add(table);
document.close();
}
public List<List<String>> getData() {
List<List<String>> data = new ArrayList<List<String>>();
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<String>();
i++;
for (int j = 0; j < tableTitleList.length; j++) {
dataLine.add(tableTitleList[j] + " " + i);
}
data.add(dataLine);
}
return data;
}
}
unitedstates
JAVA
JAVA
/**
* 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 sandbox.tables;
import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
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 java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import sandbox.WrapToTest;
@WrapToTest
public class ArrayToTable {
public static final String DEST = "results/tables/array_to_table.pdf";
public static void main(String[] args) throws IOException, DocumentException {
File file = new File(DEST);
file.getParentFile().mkdirs();
new ArrayToTable().createPdf(DEST);
}
public void createPdf(String dest) throws IOException, DocumentException {
Document document = new Document();
PdfWriter.getInstance(document, new FileOutputStream(dest));
document.open();
PdfPTable table = new PdfPTable(8);
table.setWidthPercentage(100);
List<List<String>> dataset = getData();
for (List<String> record : dataset) {
for (String field : record) {
table.addCell(field);
}
}
document.add(table);
document.close();
}
public List<List<String>> getData() {
List<List<String>> data = new ArrayList<List<String>>();
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<String>();
i++;
for (int j = 0; j < tableTitleList.length; j++) {
dataLine.add(tableTitleList[j] + " " + i);
}
data.add(dataLine);
}
return data;
}
}
rowcolumnorder
JAVA
JAVA
/*
* Example written by Bruno Lowagie in answer to the following question:
* http://stackoverflow.com/questions/37526223
*/
package sandbox.tables;
import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Paragraph;
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 RowColumnOrder {
public static final String DEST = "results/tables/row_column_order.pdf";
public static void main(String[] args) throws IOException, DocumentException {
File file = new File(DEST);
file.getParentFile().mkdirs();
new RowColumnOrder().createPdf(DEST);
}
public void createPdf(String dest) throws IOException, DocumentException {
Document document = new Document();
PdfWriter.getInstance(document, new FileOutputStream(dest));
document.open();
document.add(new Paragraph("By design tables are filled row by row:"));
PdfPTable table = new PdfPTable(5);
table.setSpacingBefore(10);
table.setSpacingAfter(10);
for (int i = 1; i <= 15; i++) {
table.addCell("cell " + i);
}
document.add(table);
document.add(new Paragraph("If you want to change this behavior, you need to create a two-dimensional array first:"));
String[][] array = new String[3][];
int column = 0;
int row = 0;
for (int i = 1; i <= 15; i++) {
if (column == 0) {
array[row] = new String[5];
}
array[row++][column] = "cell " + i;
if (row == 3) {
column++;
row = 0;
}
}
table = new PdfPTable(5);
table.setSpacingBefore(10);
for (String[] r : array) {
for (String c : r) {
table.addCell(c);
}
}
document.add(table);
document.close();
}
}