Manage EPUB Metadata using Java

readme.md

Related Article(s):

• Update EPUB Metadata using Java
• Online EPUB Metadata Editor – View & Edit EPUB Properties

ReadDublinCore.java

// Read Dublin Core metadata using Java
try (Metadata metadata = new Metadata("path/ebook.epub")) {
    EpubRootPackage root = metadata.getRootPackageGeneric();

    System.out.println(root.getDublinCorePackage().getRights());
    System.out.println(root.getDublinCorePackage().getPublisher());
    System.out.println(root.getDublinCorePackage().getTitle());
    System.out.println(root.getDublinCorePackage().getCreator());
    System.out.println(root.getDublinCorePackage().getLanguage());
    System.out.println(root.getDublinCorePackage().getDate());
}

ReadEPUBMetadata.java

// Read EPUB metadata using Java
try (Metadata metadata = new Metadata("path/ebook.epub")) {
    EpubRootPackage root = metadata.getRootPackageGeneric();

    System.out.println(root.getEpubPackage().getVersion());
    System.out.println(root.getEpubPackage().getUniqueIdentifier());
    System.out.println(root.getEpubPackage().getImageCover() != null ? root.getEpubPackage().getImageCover().length : 0);
}

UpdateDublinCore.java

// Update Dublin Core metadata using Java
try (Metadata metadata = new Metadata("path/ebook.epub")) {
    EpubRootPackage root = metadata.getRootPackageGeneric();

    root.getDublinCorePackage().setProperties(new WithNameSpecification("dc:creator"), new PropertyValue("GroupDocs"));
    root.getDublinCorePackage().setProperties(new WithNameSpecification("dc:description"), new PropertyValue("test e-book"));
    root.getDublinCorePackage().setProperties(new WithNameSpecification("dc:title"), new PropertyValue("test EPUB"));
    root.getDublinCorePackage().setProperties(new WithNameSpecification("dc:date"), new PropertyValue(new Date().toString()));

    metadata.save("path/ebook.epub");
}

UpdateEPUBMetadata.java

// Update EPUB metadata using Java
try (Metadata metadata = new Metadata("path/ebook.epub")) {
    EpubRootPackage root = metadata.getRootPackageGeneric();

    root.getEpubPackage().setCreator("GroupDocs");
    root.getEpubPackage().setDescription("test e-book");
    root.getEpubPackage().setFormat("EPUB");
    root.getEpubPackage().setDate(new Date().toString());

    metadata.save("path/ebook.epub");
}