Use redaction callback Leave feedback
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In order to reject specific changes during redaction process or to keep a full log of changes in the document, you need to pass a callback implementing IRedactionCallback into RedactorSettings. The interface contains only one method, acceptRedaction, which receives detailed information about the proposed redaction and returns a Boolean value — accepted or not.
Below, we create a callback with java.newProxy, dumping changes to the console:
const redaction = require('@groupdocs/groupdocs.redaction');
const java = require('java');
const callback = java.newProxy('com.groupdocs.redaction.redactions.IRedactionCallback', {
acceptRedaction: function (description) {
let message = description.getRedactionType() + ' redaction, '
+ description.getActionType() + ' action, item '
+ description.getOriginalText() + '. ';
if (description.getReplacement() !== null) {
message += 'Text ' + description.getReplacement().getOriginalText()
+ ' is replaced with ' + description.getReplacement().getReplacement() + '. ';
}
console.log(message);
return true;
}
});
The instance of this callback is passed to a constructor of the Redactor class:
const redaction = require('@groupdocs/groupdocs.redaction');
const redactor = new redaction.Redactor(
'Sample.docx',
new redaction.LoadOptions(),
new redaction.RedactorSettings(callback));
try {
redactor.apply(new redaction.ExactPhraseRedaction(
'John Doe',
new redaction.ReplacementOptions('[personal]')));
redactor.save();
} finally {
redactor.close();
}
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