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This code snippet demonstrates how to extract information about known properties that can be encountered in a particular package.
Load a file to examine Get a collection of PropertyDescriptor instances for any desired metadata package Iterate through the extracted descriptors advanced_usage.GettingKnownPropertyDescriptors
try (Metadata metadata = new Metadata(Constants.InputDoc)) { WordProcessingRootPackage root = metadata.getRootPackageGeneric(); for (PropertyDescriptor descriptor : root.getDocumentProperties().getKnowPropertyDescriptors()) { System.out.println(descriptor.getName()); System.out.println(descriptor.getType()); System.out.println(descriptor.getAccessLevel()); for (PropertyTag tag : descriptor.getTags()) { System.out.println(tag); } System.out.println(); } } Note Not all possible properties are presented in the getKnowPropertyDescriptors collection....Signature Product Solution GroupDocs.Assembly Product Solution GroupDocs...
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Detecting the GIF version The following sample of code will help you to detect the version of a loaded GIF image and extract some additional file format information.
Load a GIF image Extract the root metadata package Use the FileType property to obtain file format information AdvancedUsage.ManagingMetadataForSpecificFormats.Image.Gif.GifReadFileFormatProperties
using (Metadata metadata = new Metadata(Constants.InputGif)) { var root = metadata.GetRootPackage(); Console.WriteLine(root.FileType.FileFormat); Console.WriteLine(root.FileType.Version); Console.WriteLine(root.FileType.ByteOrder); Console.WriteLine(root.FileType.MimeType); Console.WriteLine(root.FileType.Extension); Console.WriteLine(root.FileType.Width); Console.WriteLine(root.FileType.Height); } Working with XMP Metadata GroupDocs....Signature Product Solution GroupDocs.Assembly Product Solution GroupDocs...
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