Example usage for javax.xml.registry.infomodel ExtrinsicObject getRepositoryItem

Introduction

In this page you can find the example usage for javax.xml.registry.infomodel ExtrinsicObject getRepositoryItem.

Prototype

public javax.activation.DataHandler getRepositoryItem() throws JAXRException;

Source Link

Document

Gets the repository item for this object.

Usage

From source file:it.cnr.icar.eric.client.ui.swing.RegistryBrowser.java

/**
 * Import RegistryObjects defined in an XML file within a ebRS
 * SubmitObjectsRequest and publish them to the registry user current user
 * context./* w w w  . j  a  va2s .co  m*/
 */
@SuppressWarnings("rawtypes")
public void exportToFile(Collection registryObjects) {
    FileOutputStream fos = null;
    File zipFile = null;
    try {
        // For now we only handle the case where a single RO with zip RI is
        // being exported.
        if (registryObjects.size() == 0) {
            displayError(resourceBundle.getString("message.info.nothingToExport"));
            return;
        }

        if (registryObjects.size() != 1) {
            // ??I18N
            displayError(resourceBundle.getString("message.error.exactlyOneObjectMustBeSelectedForExport"));
            return;
        }

        Object obj = registryObjects.toArray()[0];

        if (!(obj instanceof ExtrinsicObject)) {
            displayError(CommonResourceBundle.getInstance().getString("message.unexpectedObjectType",
                    new Object[] { "javax.xml.registry.infomodel.ExtrinsicObject", obj.getClass().getName() }));
            return;
        }

        ExtrinsicObject eo = (ExtrinsicObject) obj;

        // TODO: Replace with canonical constant
        if (!(eo.getMimeType().equalsIgnoreCase("application/zip"))) {
            // TODO: Add new message that is mimeType specific
            displayError(CommonResourceBundle.getInstance().getString("message.unexpectedObjectType",
                    new Object[] { "application/zip", eo.getMimeType() }));
        }

        zipFile = File.createTempFile("JavaUIExportAction", ".zip");
        zipFile.deleteOnExit();
        fos = new FileOutputStream(zipFile);

        DataHandler ri = eo.getRepositoryItem();
        InputStream is = ri.getInputStream();

        // Copy is to fos
        int n;
        byte[] buffer = new byte[1024];
        while ((n = is.read(buffer)) > -1) {
            fos.write(buffer, 0, n);
        }
    } catch (Exception e) {
        displayError(e.getMessage(), e);
    } finally {
        try {
            if (fos != null) {
                fos.close();
            }
        } catch (Exception e) {
            displayError(e);
        }
    }
    displayInfo(resourceBundle.getString("message.info.ExportSuccessful",
            new Object[] { zipFile.getAbsolutePath() }));

}

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