Examples with Unmarshaller org.eclipse.epp.internal.mpc.core.service.xml.Unmarshaller used on opensource projects

Example 1 with Unmarshaller

use of org.eclipse.epp.internal.mpc.core.service.xml.Unmarshaller in project epp.mpc by eclipse.

the class MarketplaceUnmarshaller method unmarshal.

public <T> T unmarshal(InputStream in, Class<T> type, IProgressMonitor monitor) throws IOException, UnmarshalException {
    if (in == null) {
        throw new IOException(Messages.MarketplaceUnmarshaller_errorNullStream);
    }
    final Unmarshaller unmarshaller = new Unmarshaller();
    final XMLReader xmlReader = Unmarshaller.createXMLReader(unmarshaller);
    BufferedInputStream bufferedInput = in instanceof BufferedInputStream ? (BufferedInputStream) in : new BufferedInputStream(in);
    ByteBuffer peekBuffer = peekResponseContent(bufferedInput);
    // FIXME how can the charset be determined?
    Reader reader = new InputStreamReader(bufferedInput, RemoteMarketplaceService.UTF_8);
    try {
        xmlReader.parse(new InputSource(reader));
    } catch (final SAXException e) {
        IStatus error = createContentError(peekBuffer, NLS.bind(Messages.MarketplaceUnmarshaller_invalidResponseContent, e.getMessage()), e);
        throw new UnmarshalException(error);
    }
    Object model = unmarshaller.getModel();
    if (model == null) {
        // if we reach here this should never happen
        IStatus error = createContentError(peekBuffer, Messages.MarketplaceUnmarshaller_unexpectedResponseContentNullResult, null);
        throw new UnmarshalException(error);
    } else {
        try {
            return type.cast(model);
        } catch (Exception e) {
            String message = NLS.bind(Messages.DefaultMarketplaceService_unexpectedResponseContent, model.getClass().getSimpleName());
            IStatus error = createContentError(peekBuffer, message, e);
            throw new UnmarshalException(error);
        }
    }
}