1 files changed, 17 insertions, 15 deletions

diff --git a/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/auth/modules/ModuleRegistration.java b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/auth/modules/ModuleRegistration.java
index 356744e8..f35b6032 100644
--- a/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/auth/modules/ModuleRegistration.java
+++ b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/auth/modules/ModuleRegistration.java
@@ -59,7 +59,7 @@ public class ModuleRegistration {
 
 	private static ModuleRegistration instance = new ModuleRegistration();
 
-	private List<AuthModule> priorizedModules = new ArrayList<>();
+	private final List<AuthModule> priorizedModules = new ArrayList<>();
 
 	@Autowired
 	private ApplicationContext ctx;
@@ -67,7 +67,7 @@ public class ModuleRegistration {
 	@Autowired
 	private ProcessEngine processEngine;
 
-	private Logger log = LoggerFactory.getLogger(getClass());
+	private final Logger log = LoggerFactory.getLogger(getClass());
 
 	public static ModuleRegistration getInstance() {
 		return instance;
@@ -86,6 +86,8 @@ public class ModuleRegistration {
 
 		// order modules according to their priority
 		sortModules();
+		
+		instance = this;
 	}
 	
 	/**
@@ -93,10 +95,10 @@ public class ModuleRegistration {
 	 */
 	private void initServiceLoaderModules() {
 		log.info("Looking for auth modules.");
-		ServiceLoader<AuthModule> loader = ServiceLoader.load(AuthModule.class);
-		Iterator<AuthModule> modules = loader.iterator();
+		final ServiceLoader<AuthModule> loader = ServiceLoader.load(AuthModule.class);
+		final Iterator<AuthModule> modules = loader.iterator();
 		while (modules.hasNext()) {
-			AuthModule module = modules.next();
+			final AuthModule module = modules.next();
 			log.info("Detected module {}", module.getClass().getName());
 			registerModuleProcessDefinitions(module);
 			priorizedModules.add(module);
@@ -108,8 +110,8 @@ public class ModuleRegistration {
 	 */
 	private void initSpringModules() {
 		log.debug("Discovering Spring modules.");
-		Map<String, AuthModule> modules = ctx.getBeansOfType(AuthModule.class);
-		for (AuthModule module : modules.values()) {
+		final Map<String, AuthModule> modules = ctx.getBeansOfType(AuthModule.class);
+		for (final AuthModule module : modules.values()) {
 			registerModuleProcessDefinitions(module);
 			priorizedModules.add(module);
 		}
@@ -122,15 +124,15 @@ public class ModuleRegistration {
 	 *            the module.
 	 */
 	private void registerModuleProcessDefinitions(AuthModule module) {
-		for (String uri : module.getProcessDefinitions()) {
-			Resource resource = ctx.getResource(uri);
+		for (final String uri : module.getProcessDefinitions()) {
+			final Resource resource = ctx.getResource(uri);
 			if (resource.isReadable()) {
 				log.info("Registering process definition '{}'.", uri);
 				try (InputStream processDefinitionInputStream = resource.getInputStream()) {
 					processEngine.registerProcessDefinition(processDefinitionInputStream);
-				} catch (IOException e) {
+				} catch (final IOException e) {
 					log.error("Process definition '{}' could NOT be read.", uri, e);
-				} catch (ProcessDefinitionParserException e) {
+				} catch (final ProcessDefinitionParserException e) {
 					log.error("Error while parsing process definition '{}'", uri, e);
 				}
 			} else {
@@ -146,8 +148,8 @@ public class ModuleRegistration {
 		Collections.sort(priorizedModules, new Comparator<AuthModule>() {
 			@Override
 			public int compare(AuthModule thisAuthModule, AuthModule otherAuthModule) {
-				int thisOrder = thisAuthModule.getPriority();
-				int otherOrder = otherAuthModule.getPriority();
+				final int thisOrder = thisAuthModule.getPriority();
+				final int otherOrder = otherAuthModule.getPriority();
 				return (thisOrder < otherOrder ? 1 : (thisOrder == otherOrder ? 0 : -1));
 			}
 		});
@@ -162,8 +164,8 @@ public class ModuleRegistration {
 	 * @return the process id or {@code null}
 	 */
 	public String selectProcess(ExecutionContext context) {
-		for (AuthModule module : priorizedModules) {
-			String id = module.selectProcess(context);
+		for (final AuthModule module : priorizedModules) {
+			final String id = module.selectProcess(context);
 			if (StringUtils.isNotEmpty(id)) {
 				log.debug("Process with id '{}' selected, for context '{}'.", id, context);
 				return id;