/**
* Indicate if the extension as been installed as a dependency of another one.
*
* @param extension the extension
* @param namespace the namespace to look at, null indicate the root namespace
* @return true if the the extension has been installed only because it was a dependency of
* another extension
* @see InstalledExtension#isDependency(String)
* @since 8.2RC1
*/
public static boolean isDependency(Extension extension, String namespace) {
boolean isDependency = false;
if (namespace == null) {
isDependency = extension.getProperty(PKEY_DEPENDENCY, false);
} else {
Object namespacesObject = extension.getProperty(PKEY_NAMESPACES);
// RETRO-COMPATIBILITY: used to be a String collection with just the actual namespaces
if (namespacesObject instanceof Map) {
Map<String, Object> installedNamespace =
((Map<String, Map<String, Object>>) namespacesObject).get(namespace);
isDependency =
installedNamespace != null
? (installedNamespace.get(PKEY_NAMESPACES_DEPENDENCY) == Boolean.TRUE)
: isDependency(extension, null);
} else {
isDependency = isDependency(extension, null);
}
}
return isDependency;
}
/**
* @param extension the extension
* @return the namespaces in which this extension is enabled. Null means root namespace (i.e all
* namespaces).
*/
public static Collection<String> getNamespaces(Extension extension) {
Collection<String> namespaces;
Object namespacesObject = extension.getProperty(PKEY_NAMESPACES);
// RETRO-COMPATIBILITY: used to be a String collection with just the actual namespaces
if (namespacesObject == null) {
namespaces = null;
} else if (namespacesObject instanceof Collection) {
namespaces = (Collection<String>) namespacesObject;
} else {
namespaces = ((Map<String, Map<String, Object>>) namespacesObject).keySet();
}
return namespaces;
}
/**
* @param extension the extension
* @return true if the extension is installed
* @see InstalledExtension#isInstalled()
*/
public static boolean isInstalled(Extension extension) {
return extension.getProperty(PKEY_INSTALLED, false);
}