// For complete examples and data files, please go to https://github.com/groupdocs-viewer/GroupDocs.Viewer-for-Java
try {
// Setup GroupDocs.Viewer config
ViewerConfig config = Utilities.getConfiguration();
// Create image handler
ViewerImageHandler imageHandler = new ViewerImageHandler(config);
// Set absolute path to file
String guid = fileAbsolutePath;
// Get pages by absolute path
List<PageImage> pages = imageHandler.getPages(guid);
for (PageImage page : pages) {
Utilities.saveAsImage(Integer.toString(page.getPageNumber()), "png", page.getStream());
}
} catch (Exception exp) {
System.out.println("Exception: " + exp.getMessage());
exp.printStackTrace();
}