Java Code Examples for org.osgi.resource.Capability#getAttributes()

@Override
public String toHTML(Capability capability)
{
  // Make a modifiable clone of the attributes.
  final Map<String, Object> attrs =
    new HashMap<String, Object>(capability.getAttributes());

  final StringBuffer sb = new StringBuffer(50);
  sb.append(attrs.remove(BundleRevision.BUNDLE_NAMESPACE));

  final Version version =
    (Version) attrs.remove(Constants.BUNDLE_VERSION_ATTRIBUTE);
  if (version != null) {
    sb.append("&nbsp;");
    sb.append(version);
  }

  if (!attrs.isEmpty()) {
    sb.append("&nbsp;");
    sb.append(attrs);
  }

  return sb.toString();
}
 

/**
 * BND generated XML repository files never contains a value for the
 * optional attributes in the identity name space, also look for it in the
 * KF-name space.
 *
 * @param key
 *          Attribute key to look up.
 *
 * @return the attribute value of the resource that this node represents.
 */
private String getIdAttribute(final String key)
{
  for (final Capability idCap : idCaps) {
    final Map<String, Object> attrs = idCap.getAttributes();

    final String description = (String) attrs.remove(key);
    if (description != null && description.length() > 0) {
      return description;
    }
  }
  if (kfExtraCaps != null && kfExtraCaps.size() > 0) {
    return (String) kfExtraCaps.iterator().next().getAttributes()
        .get(key);
  }
  return null;
}
 

@Override
public String toHTML(Capability capability)
{
  // Make a modifiable clone of the attributes.
  final Map<String, Object> attrs =
    new HashMap<String, Object>(capability.getAttributes());

  final StringBuffer sb = new StringBuffer(50);
  sb.append(attrs.remove(BundleRevision.HOST_NAMESPACE));

  final Version version =
    (Version) attrs.remove(Constants.BUNDLE_VERSION_ATTRIBUTE);
  if (version != null) {
    sb.append("&nbsp;");
    sb.append(version);
  }

  if (!attrs.isEmpty()) {
    sb.append("&nbsp;");
    sb.append(attrs);
  }

  return sb.toString();
}
 

/**
 * Get the MIME-type of a repository resource.
 *
 * @param resource
 *          The resource to get the MIME type for.
 *
 * @return Resource MIME type or {@code null} if no MIME-type available.
 */
public static String getResourceMime(Resource resource)
{
  String res = null;
  for (final Capability cap : resource
      .getCapabilities(ContentNamespace.CONTENT_NAMESPACE)) {
    final Map<String, Object> attrs = cap.getAttributes();
    final String mime =
      (String) attrs.get(ContentNamespace.CAPABILITY_MIME_ATTRIBUTE);
    if (mime != null) {
      res = mime;
      break;
    }
  }
  return res;
}
 

/**
 * Get the location to use when installing this resource.
 *
 * If available, the resource URL will be used as the location. Otherwise we
 * simply use the hash code of the resource.
 *
 * @param resource
 *          the resource to determine the installation location for.
 * @return location to use when installing this resource or {@code null} if
 *         location is available for this resource.
 */
public static String getLocation(Resource resource)
{
  for (final Capability cap : resource
      .getCapabilities(ContentNamespace.CONTENT_NAMESPACE)) {
    final Map<String, Object> attrs = cap.getAttributes();
    if (supportedMimeTypes.contains(attrs
        .get(ContentNamespace.CAPABILITY_MIME_ATTRIBUTE))) {
      final String url =
        (String) attrs.get(ContentNamespace.CAPABILITY_URL_ATTRIBUTE);
      if (url != null) {
        return url;
      }
    }
  }
  return null;
}
 

@Override
public String toHTML(Capability capability)
{
  // Make a modifiable clone of the attributes.
  final Map<String, Object> attrs =
    new HashMap<String, Object>(capability.getAttributes());

  final StringBuffer sb = new StringBuffer(50);
  sb.append(attrs
      .remove(ExecutionEnvironmentNamespace.EXECUTION_ENVIRONMENT_NAMESPACE));

  @SuppressWarnings("unchecked")
  final List<Version> versions =
    (List<Version>) attrs.remove(Constants.VERSION_ATTRIBUTE);
  if (versions != null) {
    sb.append("&nbsp;");
    sb.append(versions);
  }

  if (!attrs.isEmpty()) {
    sb.append("&nbsp;");
    sb.append(attrs);
  }

  return sb.toString();
}
 

@Override
public String toHTML(Capability capability)
{
  // mime, url, size, sha

  // Make a modifiable clone of the attributes.
  final Map<String, Object> attrs =
    new HashMap<String, Object>(capability.getAttributes());

  final StringBuffer sb = new StringBuffer(50);

  Object val;

  val = attrs.remove(ContentNamespace.CAPABILITY_URL_ATTRIBUTE);
  if (val != null) {
    sb.append(Util.toHTML(val)).append("<br>");
  }

  val = attrs.remove(ContentNamespace.CAPABILITY_SIZE_ATTRIBUTE);
  if (val != null) {
    sb.append("Size: ").append(val).append("&nbsp;bytes.<br>");
  }

  val = attrs.remove(ContentNamespace.CONTENT_NAMESPACE);
  if (val != null) {
    sb.append("SHA-256: ").append(val).append("<br>");
  }

  val = attrs.remove(ContentNamespace.CAPABILITY_MIME_ATTRIBUTE);
  if (val != null) {
    sb.append("Content-Type: ").append(val).append("<br>");
  }

  if (!attrs.isEmpty()) {
    sb.append("Other attributes: ");
    sb.append(attrs);
  }

  return sb.toString();
}
 

/**
 * Get the size in bytes of a repository resource.
 *
 * @param resource
 *          The resource to get the size of.
 *
 * @return Resource size in byte or {@code -1} if no size available.
 */
public static long getResourceSize(Resource resource)
{
  long res = -1;
  for (final Capability cap : resource
      .getCapabilities(ContentNamespace.CONTENT_NAMESPACE)) {
    final Map<String, Object> attrs = cap.getAttributes();
    final Long size =
      (Long) attrs.get(ContentNamespace.CAPABILITY_SIZE_ATTRIBUTE);
    if (size != null) {
      res = size.longValue();
    }
  }
  return res;
}
 

/**
 * Get the category of a repository resource.
 *
 * The category is specified as the value of the bundle manifest entry named
 * {@link Constants#BUNDLE_CATEGORY}.
 *
 * @param resource
 *          The resource to get the category for.
 *
 * @return Resource category or {@code "[no category]"} if no category is available.
 */
public static String getResourceCategory(Resource resource)
{
  for (final Capability cap : resource
      .getCapabilities(KF_EXTRAS_NAMESPACE)) {
    final Map<String, Object> attrs = cap.getAttributes();
    final Object val = attrs.get("category");
    if (val != null) {
      return (String) val;
    }
  }
  return "[no category]";
}
 

/**
 * Get the vendor of a repository resource.
 *
 * The vendor is specified as the value of the bundle manifest entry named
 * {@link Constants#BUNDLE_VENDOR}.
 *
 * @param resource
 *          The resource to get the vendor for.
 *
 * @return Resource vendor or {@code "[no vendor]"} if vendor information is
 *         not available.
 */
public static String getResourceVendor(Resource resource)
{
  for (final Capability cap : resource
      .getCapabilities(KF_EXTRAS_NAMESPACE)) {
    final Map<String, Object> attrs = cap.getAttributes();
    final Object val = attrs.get("vendor");
    if (val != null) {
      return (String) val;
    }
  }
  return "[no vendor]";
}
 

/**
 * Get the icon for a repository resource.
 *
 * The icon is specified as the value of the bundle manifest entry named
 * {@code Bundle-Icon}.
 *
 * @param resource
 *          The resource to get the icon for.
 *
 * @return Resource icon string or {@code null} if icon information is
 *         not available.
 */
public static String getResourceIcon(Resource resource)
{
  for (final Capability cap : resource
      .getCapabilities(KF_EXTRAS_NAMESPACE)) {
    final Map<String, Object> attrs = cap.getAttributes();
    final Object val = attrs.get("icon");
    if (val != null) {
      return (String) val;
    }
  }
  return null;
}
 

@Override
public String toHTML(Capability capability)
{
  final StringBuffer sb = new StringBuffer(50);

  // Make a modifiable clone of the capability attributes.
  final Map<String, Object> attrs
    = new HashMap<String, Object>(capability.getAttributes());

  sb.append(attrs.remove(BundleRevision.PACKAGE_NAMESPACE));

  final Version version = (Version) attrs
      .remove(Constants.VERSION_ATTRIBUTE);
  if (version!=null) {
    sb.append("&nbsp;");
    sb.append(version);
  }

  attrs.remove(Constants.BUNDLE_SYMBOLICNAME_ATTRIBUTE);
  attrs.remove(Constants.BUNDLE_VERSION_ATTRIBUTE);
  if (!attrs.isEmpty()) {
    sb.append("&nbsp;");
    sb.append(attrs);
  }

  return sb.toString();
}