ReceiveNotificationOfMissingFontsAndFontSubstitution.java

package com.aspose.words.examples.rendering_printing;

import com.aspose.words.Document;
import com.aspose.words.FontSettings;
import com.aspose.words.PdfSaveOptions;
import com.aspose.words.examples.Utils;

public class ReceiveNotificationOfMissingFontsAndFontSubstitution {

	private static final String dataDir = Utils.getSharedDataDir(ReceiveNotificationOfMissingFontsAndFontSubstitution.class) + "RenderingAndPrinting/";

	public static void main(String[] args) throws Exception {
		// Load the document to render.
		Document doc = new Document(dataDir + "Rendering.doc");
		
		// We can choose the default font to use in the case of any missing fonts.
		FontSettings.getDefaultInstance().setDefaultFontName("Arial");

		// For testing we will set Aspose.Words to look for fonts only in a folder which doesn't exist. Since Aspose.Words won't
		// find any fonts in the specified directory, then during rendering the fonts in the document will be subsuited with the default
		// font specified under FontSettings.DefaultFontName. We can pick up on this subsuition using our callback.
		FontSettings.getDefaultInstance().setFontsFolder("", false);

		// Create a new class implementing IWarningCallback which collect any warnings produced during document save.
		HandleDocumentWarnings callback = new HandleDocumentWarnings();

		doc.setWarningCallback(callback);

		// Pass the save options along with the save path to the save method.
		doc.save(dataDir + "Rendering.MissingFontNotification Out.pdf");
		
		getNotificationBeforeSaving(doc);
	}
	
	public static void getNotificationBeforeSaving(Document doc) throws Exception {
		doc.updatePageLayout();

		// Create a new class implementing IWarningCallback and assign it to the PdfSaveOptions class.
		HandleDocumentWarnings callback = new HandleDocumentWarnings();
		PdfSaveOptions saveOptions = new PdfSaveOptions();
		doc.setWarningCallback(callback);

		// Even though the document was rendered previously, any save warnings are notified to the user during document save.
		doc.save(dataDir + "Rendering.FontsNotificationUpdatePageLayout Out.pdf");
	}
	
}