get Swing Document Text - Java Swing

Java examples for Swing:Swing HTML

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Description

get Swing Document Text

Demo Code


import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.event.DocumentEvent;
import javax.swing.text.Document;

public class Main{
    public static String getText(DocumentEvent e) {
        if (e == null) {
            throw new NullPointerException("e == null");
        }/*from   w w w  .j a v a 2s .  com*/
        Document document = e.getDocument();
        int length = document.getLength();
        try {
            if (length > 0) {
                return document.getText(0, length);
            }
        } catch (Throwable t) {
            Logger.getLogger(DocumentUtil.class.getName()).log(
                    Level.SEVERE, null, t);
        }
        return "";
    }
}

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