1. GroupDocs Documentation
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    3. GroupDocs.Annotation Product Family
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    5. GroupDocs.Annotation for Java
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    7. Annotation basics
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    9. Add annotation to the document
    10. /
    11. Add text redaction annotation

    Add text redaction annotation

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    Text redaction annotation fills part of text with black rectangle to hide its content as shown in the picture below:

    You can use the following methods to set the properties of the TextRedactionAnnotation class:

    • setPoints() defines annotation positions as array of points

    To add a text redaction annotation, follow these steps:

    1. Instantiate the Annotator class. Specify the input document path or stream.
    2. Instantiate the TextRedactionAnnotation class. Specify the appropriate properties (position, page number, etc).
    3. Call the add() method. Specify the TextRedactionAnnotation class.
    4. Call the save() method. Specify the output document path or stream.

    The following code snippet shows how to add TextRedactionAnnotation to the document:

    // This example demonstrates adding text redaction annotation.

// Create an instance of Annotator class
Annotator annotator = new Annotator("inputPath");
try {
    
    // Create an instance of Reply class and add comments
    Reply reply1 = new Reply();
    reply1.setComment("First comment");
    reply1.setRepliedOn(Calendar.getInstance().getTime());

    Reply reply2 = new Reply();
    reply2.setComment("Second comment");
    reply2.setRepliedOn(Calendar.getInstance().getTime());

    java.util.List<Reply> replies =  new ArrayList<Reply>();
    replies.add(reply1);
    replies.add(reply2);

    Point point1 = new Point(80, 730);
    Point point2 = new Point(240, 730);
    Point point3 = new Point(80, 650);
    Point point4 = new Point(240, 650);
    
    List<Point> points = new ArrayList<Point>();
    points.add(point1);
    points.add(point2);
    points.add(point3);
    points.add(point4);

    // Create an instance of TextRedactionAnnotation class and set options
    TextRedactionAnnotation textRedaction = new TextRedactionAnnotation();
    textRedaction.setCreatedOn(Calendar.getInstance().getTime());
    textRedaction.setMessage("This is text redaction annotation");
    textRedaction.setPageNumber(0);
    textRedaction.setPoints(points);
    textRedaction.setReplies(replies);
    
    // Add annotation and save to file
    annotator.add(textRedaction);
    annotator.save("outputPath");
} finally {
    if (annotator != null) {
        annotator.dispose();
    }
}

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