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try {
    // Create an instance of Logger class
    Logger logger = new Logger();
    // Create an instance of Parser class with the parser settings
    try (Parser parser = new Parser(Constants.SamplePassword, null, new ParserSettings(logger))) {
        // Check if text extraction is supported
        if (!parser.getFeatures().isText()) {
            System.out.println("Text extraction isn't supported.");
            return;
        }
        // Print the document text
        try (TextReader reader = parser.getText()) {
            System.out.println(reader.readToEnd());
        }
    }
} catch (InvalidPasswordException | IOException ex) {
    ; // Ignore the exception
}

class Logger implements ILogger {
    public void error(String message, Exception exception) {
        // Print error message
        System.out.println("Error: " + message);
    }

    public void trace(String message) {
        // Print event message
        System.out.println("Event: " + message);
    }

    public void warning(String message) {
        // Print warning message
        System.out.println("Warning: " + message);
    }
}