Apache Tika - Extracting Text Document

Example - Extracting Content and Metadata from a Text Document

Given below is the program to extract content and metadata from a Text Document.

TikaDemo.java

package com.tutorialspoint.tika;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;

import org.apache.tika.exception.TikaException;
import org.apache.tika.metadata.Metadata;
import org.apache.tika.parser.ParseContext;
import org.apache.tika.sax.BodyContentHandler;
import org.apache.tika.parser.txt.TXTParser;

import org.xml.sax.SAXException;

public class TikaDemo {

   public static void main(final String[] args) throws IOException,SAXException, TikaException {

      //detecting the file type
      BodyContentHandler handler = new BodyContentHandler();
      Metadata metadata = new Metadata();
      FileInputStream inputstream = new FileInputStream(new File("D:/projects/example.txt"));
      ParseContext pcontext=new ParseContext();
      
      //Text document parser
      TXTParser  TexTParser = new TXTParser();
      TexTParser.parse(inputstream, handler, metadata,pcontext);
      System.out.println("Contents of the document:\n" + handler.toString());
      System.out.println("Metadata of the document:");
      String[] metadataNames = metadata.names();
      
      for(String name : metadataNames) {
         System.out.println(name + " : " + metadata.get(name));
      }
   }
}

Output

Given below is the snapshot of sample.txt file −

The text document has the following properties −

After executing the above program you will get the following output.

Contents of the document:
At tutorialspoint.com, we strive hard to provide quality tutorials for self-learning 
purpose in the domains of Academics, Information Technology, Management and Computer 
Programming Languages.
The endeavour started by Mohtashim, an AMU alumni, who is the founder and the managing 
director of Tutorials Point (I) Pvt. Ltd. He came up with the website tutorialspoint.com 
in year 2006 with the help of handpicked freelancers, with an array of tutorials for 
computer programming languages.

Metadata of the document:
Content-Encoding : windows-1252
X-TIKA:detectedEncoding : windows-1252
X-TIKA:encodingDetector : UniversalEncodingDetector
Content-Type : text/plain; charset=windows-1252