package com.aspose.cells.examples.articles; import com.aspose.cells.IWarningCallback; import com.aspose.cells.PdfSaveOptions; import com.aspose.cells.WarningInfo; import com.aspose.cells.WarningType; import com.aspose.cells.Workbook; import com.aspose.cells.examples.Utils; public class WarningCallback implements IWarningCallback { @Override public void warning(WarningInfo info) { if (info.getWarningType() == WarningType.FONT_SUBSTITUTION) { System.out.println("WARNING INFO: " + info.getDescription()); } } // ........ // ........ static void Run() throws Exception { String dataDir = Utils.getDataDir(WarningCallback.class); Workbook workbook = new Workbook(dataDir + "source.xlsx"); PdfSaveOptions options = new PdfSaveOptions(); options.setWarningCallback(new WarningCallback()); workbook.save(dataDir + "WarningCallback_out.pdf", options); } }