In this post we will read PDF file in Java using iText library.
The Java program will assume there is a PDF file at location c:/temp/test.pdf. Change this path according to your environment.
Here is the code to read PDF file in Java using iText:
package com.quicklyjava;
import java.io.IOException;
//iText imports
import com.itextpdf.text.pdf.PdfReader;
import com.itextpdf.text.pdf.parser.PdfTextExtractor;
public class iTextReadDemo {
/**
* @param args
*/
public static void main(String[] args) {
try {
PdfReader reader = new PdfReader("c:/temp/test.pdf");
System.out.println("This PDF has "+reader.getNumberOfPages()+" pages.");
String page = PdfTextExtractor.getTextFromPage(reader, 2);
System.out.println("Page Content:\n\n"+page+"\n\n");
System.out.println("Is this document tampered: "+reader.isTampered());
System.out.println("Is this document encrypted: "+reader.isEncrypted());
} catch (IOException e) {
e.printStackTrace();
}
}
}
Explanation of some important code line:
1) The line below creates a PdfReader which we will use to read the PDF file (change the location of the PDF file as per your environment):
PdfReader reader = new PdfReader("c:/temp/test.pdf");
2) The line below gets the number of pages in the PDF:
reader.getNumberOfPages()
3) The line below gets the content of the PDF for the specified page number. The content is returned as String:
String page = PdfTextExtractor.getTextFromPage(reader, 2);
4) The line below can be used to check if the document was changed in any way:
reader.isTampered()
5) The line below checks if the document is encrypted:
reader.isEncrypted()
Read PDF file in Java using iText Output:
This way we can easily read a PDF file in Java. Further in this series of tutorials for iText we will see how to write a PDF file and also explore some additional features provided by iText.
You can download the eclipse project of the code explained in this tutorial:
iTextReadDemo (1.6MB)
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[...] 2. Read PDF file in Java using iText [...]
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Which jar to use?I cant find the jar
Aadil,
You can download the eclipse project used for this tutorial. Please find the link at the end of the article. The project has all the necessary JARs and the classpath set.