private static Resource getResource(Set<Resource> resources, String bsn, String versionString) {
for (Resource resource : resources) {
List<Capability> identities = resource.getCapabilities(IdentityNamespace.IDENTITY_NAMESPACE);
if (identities != null && identities.size() == 1) {
Capability idCap = identities.get(0);
Object id = idCap.getAttributes().get(IdentityNamespace.IDENTITY_NAMESPACE);
Object version = idCap.getAttributes().get(IdentityNamespace.CAPABILITY_VERSION_ATTRIBUTE);
if (bsn.equals(id)) {
if (versionString == null) {
return resource;
}
Version requested = Version.parseVersion(versionString);
Version current;
if (version instanceof Version) {
current = (Version) version;
} else {
current = Version.parseVersion((String) version);
}
if (requested.equals(current)) {
return resource;
}
}
}
}
return null;
}
public List<Capability> findProvider(Requirement requirement) {
List<Capability> result = new ArrayList<Capability>();
String namespace = requirement.getNamespace();
for (Resource resource : resources) {
for (Capability capability : resource.getCapabilities(namespace))
if (ResourceUtils.matches(requirement, capability)) result.add(capability);
}
return result;
}
/** Get the name of a repository resource from the identity name space." */
public static String getResourceName(Resource resource) {
final List<Capability> idCaps = resource.getCapabilities(IdentityNamespace.IDENTITY_NAMESPACE);
if (idCaps.size() != 1) {
Activator.log.error(
"Found " + idCaps.size() + " identity capabilites expected one: " + idCaps);
return resource.toString();
}
final Capability idCap = idCaps.get(0);
return idCap.getAttributes().get(IdentityNamespace.IDENTITY_NAMESPACE).toString();
}
/**
* Get the icon for a repository resource.
*
* <p>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;
}
/** Get version of a repository resource form the identity name space. */
public static Version getResourceVersion(Resource resource) {
final List<Capability> idCaps = resource.getCapabilities(IdentityNamespace.IDENTITY_NAMESPACE);
if (idCaps.size() != 1) {
Activator.log.error(
"Found " + idCaps.size() + " identity capabilites expected one: " + idCaps);
return Version.emptyVersion;
}
final Capability idCap = idCaps.get(0);
return (Version) idCap.getAttributes().get(IdentityNamespace.CAPABILITY_VERSION_ATTRIBUTE);
}
private static void ensureOsgiContentUrlsAreAbsolute(URL repositoryUrl, Collection<Resource> rs)
throws Exception {
for (Resource r : rs) {
for (Capability c : r.getCapabilities(ContentNamespace.CONTENT_NAMESPACE)) {
String url = (String) c.getAttributes().get(ContentNamespace.CAPABILITY_URL_ATTRIBUTE);
url = new URL(repositoryUrl, url).toExternalForm();
c.getAttributes().put(ContentNamespace.CAPABILITY_URL_ATTRIBUTE, url);
}
}
}
/**
* 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 type of a repository resource from the identity name space."
*
* @param resource The resource to get the type for.
* @return Type as a string, one of {@link IdentityNamespace#TYPE_BUNDLE}, {@link
* IdentityNamespace#TYPE_FRAGMENT}, and {@link IdentityNamespace#TYPE_UNKNOWN}.
*/
public static String getResourceType(Resource resource) {
final List<Capability> idCaps = resource.getCapabilities(IdentityNamespace.IDENTITY_NAMESPACE);
for (final Capability idCap : idCaps) {
final String type =
(String) idCap.getAttributes().get(IdentityNamespace.CAPABILITY_TYPE_ATTRIBUTE);
if (type != null) {
return type;
}
}
return "—";
}
/**
* Get the location to use when installing this resource.
*
* <p>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;
}
/**
* 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 URL of a repository resource.
*
* @param resource The resource to get the URL for.
* @return Resource download URL or {@code null} if no URL available.
*/
public static URL getResourceUrl(Resource resource) {
URL res = null;
for (final Capability cap : resource.getCapabilities(ContentNamespace.CONTENT_NAMESPACE)) {
final Map<String, Object> attrs = cap.getAttributes();
final String url = (String) attrs.get(ContentNamespace.CAPABILITY_URL_ATTRIBUTE);
if (url != null) {
try {
res = new URL(url);
break;
} catch (final Exception e) {
Activator.log.warn("Failed to parse reosurce URL '" + url + "' for " + resource, e);
}
}
}
return res;
}