// For complete examples and data files, please go to https://github.com/aspose-tasks/Aspose.Tasks-for-Java
// The path to the documents directory.
String dataDir = Utils.getDataDir(ExtractingEmbeddedObjects.class);
Project project = new Project(dataDir + "EmbeddedFile.mpp");
OleObject ole = project.getOleObjects().toList().get(0);

// we have to check this property because it can be null if the embedded
// object was created inside the ms project application
// Or, alternatively, you can use this check: if (ole.FileFormat ==
// "Package")
// if (!string.IsNullOrEmpty(ole.FullPath))
if (ole.getFileFormat().equals("Package")) {

    File file = new File(dataDir);
    FileOutputStream fop = new FileOutputStream(file);
    // get the content in bytes
    byte[] contentInBytes = ole.getContent();

    fop.write(contentInBytes);
    fop.flush();
    fop.close();
}