Get the specified text node associated with this element : DOM Element « XML « Java






  1. Java
  2. XML
  3. DOM Element

Get the specified text node associated with this element

    
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;

public class Utils {
  /**
   * Get the first text node associated with this element
   * @param parent the node containing text
   * @return Text (trimmed of leanding/trailing whitespace, null if none)
   */
  public static String getFirstText(Node parent) {
    return getTextNodeByNumber(parent, 1);
  }

  /**
   * Get the specified text node associated with this element
   * @param parent the node containing text
   * @param number The text node to fetch (1st, 2nd, etc)
   * @return Text (trimmed of leanding/trailing whitespace, null if none)
   */
  public static String getTextNodeByNumber(Node parent, int number) {
    String  text  = null;
    int     count = 1;

    if (parent != null) {
      for (Node child = parent.getFirstChild();
                child != null;
                child = child.getNextSibling()) {

        if ((child.getNodeType() == Node.TEXT_NODE) && (count++ == number)) {
          text = child.getNodeValue();
          return text.trim();
        }
      }
    }
    return text;
  }
}








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