Not all metadata properties extracted from a file are marked with tags. Some file formats and metadata standards allow adding fully custom properties that can’t be properly tagged by the library since their purpose is not clearly defined in the appropriate format/standard specification. In such cases, you can use the name of the property to locate and remove it. The following example demonstrates some advanced usage scenarios of the GroupDocs.Metadata search engine allowing to remove metadata properties....DOCX, PPT, PPTX, XLS, XLSX, emails, images and more with our free...
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
JavaScript const metadata = new groupdocs.metadata.Metadata("input.doc"); var root = metadata.getRootPackageGeneric(); var descriptors = root.getDocumentProperties().getKnowPropertyDescriptors(); for(var i=0;iemails, images and more with our free...
Reading PNG metadata properties The GroupDocs.Metadata API supports extracting format-specific information from PNG images.
The following are the steps to read the native PNG metadata.
Load a PNG image Get the root metadata package Extract the native metadata package using PngRootPackage.PngPackage Read the PNG metadata properties AdvancedUsage.ManagingMetadataForSpecificFormats.Image.Png.PngReadTextChunks
using (Metadata metadata = new Metadata(Constants.InputPng)) { var root = metadata.GetRootPackage(); foreach (var chunk in root.PngPackage.TextChunks) { Console.WriteLine(chunk.Keyword); Console.WriteLine(chunk.Text); var compressedChunk = chunk as PngCompressedTextChunk; if (compressedChunk !...DOCX, PPT, PPTX, XLS, XLSX, emails, images and more with our free...
This article explains that how to integrate any paid or free OCR solution in Java....DOCX, PPT, PPTX, XLS, XLSX, Emails and more with our free online...
Reading FLV header properties The GroupDocs.Metadata API supports extracting format-specific information from the FLV file header.
The following are the steps to read the header of an FLV file.
Load an FLV video Get the root metadata package Extract the native metadata package using the FlvRootPackage.getHeader method Read the FLV header properties advanced_usage.managing_metadata_for_specific_formats.video.flv.FlvReadHeaderProperties
try (Metadata metadata = new Metadata(Constants.InputFlv)) { FlvRootPackage root = metadata.getRootPackageGeneric(); System.out.println(root.getHeader().getVersion()); System.out.println(root.getHeader().hasAudioTags()); System.out.println(root.getHeader().hasVideoTags()); System.out.println(root.getHeader().getTypeFlags()); } Working with XMP metadata GroupDocs....DOCX, PPT, PPTX, XLS, XLSX, emails, images and more with our free...
Cet article décrit le processus de conversion d'Excel en image en Java et fournit un exemple d'extrait de code fonctionnel pour l'application de conversion Java Excel en image....publication comment convertir Outlook Email en HTML en Java pour plus d’informations...
Neste tópico, você explorará como converter DOCX em HTML usando Java. Além disso, forneceremos um exemplo de código para exportar DOCX para HTML em Java sem usar ferramentas extras....até mesmo criar modelos de email. Este processo de conversão...
Den här artikeln leder dig genom processen för att konvertera Outlook-e-post till Word i Java och skapar en exempelkod för Java-e-post till Word-förmåga med några API-anrop....utveckla applikationen för Java Email till Word -konverteringen. Här...
Extract data of compressed archives like ZIP, RAR, TAR, GZIP, BZIP2 files using C# in .NET application. Parse archives and extract whole text within files....presentations, spreadsheets, emails, databases, eBooks, and many...