Oracle® Fusion Middleware Developer's Guide for Oracle IRM Server 11g Release 1 (11.1.1) E12326-03 |
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Home > Developer's Guide for Oracl... > Code Samples for Java Appli... > Resealing a File with Diffe...
The following code demonstrates how to reseal a sealed file using the reseal
method. This sample adds XML-based custom data to the sealed file.
Example 7-5
import static oracle.irm.engine.content.sealing.CustomDataCollectionFactory.createCustomData; import static oracle.irm.engine.content.sealing.CustomDataFactory.createCustomData; import static oracle.irm.engine.content.sealing.SealingOperationsInstance.reseal; import java.io.FileInputStream; import java.io.FileOutputStream; import java.net.Authenticator; import java.net.PasswordAuthentication; import java.util.Collection; import java.util.UUID; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import oracle.irm.engine.content.sealing.CustomData; import org.w3c.dom.Document; import org.w3c.dom.Element; public class ResealFile { public static void main(String[] args) throws Exception { // The user name and password are provided on the command line. In a production // system these details should be provided in a more secure manner, such // as prompting from the console, or reading from a secure source. final String username = args[0]; final String password = args[1]; // Configure an authenticator to provide the credentials for any network access Authenticator.setDefault(new Authenticator() { @Override protected PasswordAuthentication getPasswordAuthentication() { return new PasswordAuthentication(username, password.toCharArray()); } }); // The file to reseal String filename = args[2]; // The output file name String resealedFilename = args[3]; // Custom data is provided as XML DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance(); DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder(); Document document = documentBuilder.newDocument(); Element element = document.createElement("SampleCustomData"); element.setTextContent("Some example custom data provided as an XML text element"); // UUID identifies the custom data, in this example just use a random UUID value UUID uuid = UUID.randomUUID(); // Create the custom data, UUID + value CustomData data = createCustomData(uuid, element); Collection customData = createCustomData(data); // Reclassify the sealed file with the new classification FileInputStream sealedFileStream = new FileInputStream(filename); FileOutputStream resealedFileStream = new FileOutputStream(resealedFilename); reseal(sealedFileStream, resealedFileStream, customData); // Close the streams sealedFileStream.close(); resealedFileStream.close(); } }