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Edit Text by Insertion and Replacement

This Example describes a method to insert and replace the Text in a DOM document. Methods which are used for insertion and replacement of the text in the DOM Document are described below :-

Element root = doc.getDocumentElement():- Allows direct access to the root of the DOM document.

Element place = (Element) root.getFirstChild():- Retrives the first child of the root.

Text name = (Text) place.getFirstChild().getFirstChild():- Creates a text node and access the subchild of the node named place in it.

name.insertData(14, " Rohini "):- This is a method to insert data in the text node. Here "Rohini " is the string to insert and 14 specifies where to begin inserting characters.

directions.replaceData(13, 6, " Employee Roseindia"):- This is a method to replace data in the text node. here 13 specifies value to begin replacing characters. 6 specifies number of characters to replace. Employee Roseindia specifies the string to insert.

XML code for the program generated is:-

<?xml version="1.0" encoding="UTF-8"?>
<Company>    
<Location>        
<Companyname>Roseindia .Net</Companyname>        
<Employee>Girish Tewari</Employee>    
</Location>
</Company>

EditText.java

/* 

         * @Program that Edit Text by Insertion and Replacement

         * EditText.java 

         * Author:-RoseIndia Team

         * Date:-10-Jun-2008

         */

        

        import java.io.*;

        import javax.xml.parsers.*;

        import org.w3c.dom.*;

        

        public class EditText {

        

            public static void main(String[] args) throws Exception {

                DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();

                builderFactory.setValidating(false);

        

                Document doc = 

                       
        builderFactory.newDocumentBuilder().parse(new File("Document4.xml"));

                new EditText().EditText(doc);

            }

        

            public void EditText(Document doc) {

                int count;

                int offset;

        

                Element root = doc.getDocumentElement();

                Element place = (Element) root.getFirstChild();

                Text name = (Text) place.getFirstChild().getFirstChild();

                Text directions = (Text) place.getLastChild().getFirstChild();

                System.out.println("Name before editing is: " + name.getData());

                System.out.println("Direction before editing is: " + directions.getData());

        

                //Inserting text        

                name.insertData(14, " Rohini ");

                System.out.println("Name after editing is: " + name.getData());

        

                //Replacing text

                directions.replaceData(13, 6, " Employee Roseindia");

                System.out.println("Direction after editing is: " + directions.getData());

            }

        }

Output of the program:-

Name before editing is: Roseindia .Net
Direction before editing is: Girish Tewari
Name after editing is: Roseindia .Net Rohini 
Direction after editing is: Girish Tewari Employee Roseindia