Reformatted code in DbXRefResourceRegistry

src/main/java/de/cebitec/common/dbxref/DbXRefResourceRegistry.java

@@ -46,21 +46,21 @@ public class DbXRefResourceRegistry implements DbXRefService {
     private static DbXRefResourceRegistry instance;
 
     public static DbXRefResourceRegistry getDefault() {
-	if (instance == null) {
-	    instance = new DbXRefResourceRegistry();
-	}
-	return instance;
+        if (instance == null) {
+            instance = new DbXRefResourceRegistry();
+        }
+        return instance;
     }
 
     Iterable<? extends DbXRefResolver> getResolvers() {
-	// service provider lookup von resolvern
-	Iterator<DbXRefResolver> it = ServiceLoader.load(DbXRefResolver.class, this.getClass().getClassLoader()).iterator();
-
-	List<DbXRefResolver> l = new LinkedList<>();
-	while (it.hasNext()) {
-	    l.add(it.next());
-	}
-	return l;
+        // service provider lookup von resolvern
+        Iterator<DbXRefResolver> it = ServiceLoader.load(DbXRefResolver.class, this.getClass().getClassLoader()).iterator();
+
+        List<DbXRefResolver> l = new LinkedList<>();
+        while (it.hasNext()) {
+            l.add(it.next());
+        }
+        return l;
     }
 
     /**
@@ -70,14 +70,14 @@ public class DbXRefResourceRegistry implements DbXRefService {
      * @return
      */
     List<? extends DbXRefResolver> getResolversFor(DbXRef ref) {
-	List<DbXRefResolver> result = new LinkedList<>();
-
-	for (DbXRefResolver dbXRefResolver : getResolvers()) {
-	    if (dbXRefResolver.canHandle(ref)) {
-		result.add(dbXRefResolver);
-	    }
-	}
-	return result;
+        List<DbXRefResolver> result = new LinkedList<>();
+
+        for (DbXRefResolver dbXRefResolver : getResolvers()) {
+            if (dbXRefResolver.canHandle(ref)) {
+                result.add(dbXRefResolver);
+            }
+        }
+        return result;
     }
 
     /**
@@ -87,7 +87,7 @@ public class DbXRefResourceRegistry implements DbXRefService {
      * @return
      */
     public boolean hasResolverFor(DbXRef ref) {
-	return !getResolversFor(ref).isEmpty();
+        return !getResolversFor(ref).isEmpty();
     }
 
     /**
@@ -97,62 +97,63 @@ public class DbXRefResourceRegistry implements DbXRefService {
      */
     @Override
     public Collection<? extends Resource> resolve(DbXRef ref) {
-	List<Resource> result = new LinkedList<>();
+        List<Resource> result = new LinkedList<>();
 
-	if (!hasResolverFor(ref)) {
-	    throw new DbXrefResourceException("No handler found for database '" + ref.getDatabase() + "'. Supported databases: " + getSupportedDatabases());
-	}
+        if (!hasResolverFor(ref)) {
+            throw new DbXrefResourceException("No handler found for database '" + ref.getDatabase() + "'. Supported databases: " + getSupportedDatabases());
+        }
 
-	for (DbXRefResolver dbXResource : getResolversFor(ref)) {
-	    result.addAll(dbXResource.resolve(ref));
-	}
-	return result;
+        for (DbXRefResolver dbXResource : getResolversFor(ref)) {
+            result.addAll(dbXResource.resolve(ref));
+        }
+        return result;
     }
 
     /**
      * {@inheritDoc}
      *
-     * @throws DbXrefResourceException If no handler could be found.
+     * @throws DbXrefResourceException If no handler can be found.
      */
+    @Override
     public <T extends Resource> Collection<? extends T> resolve(DbXRef ref, Class<T> targetClass) {
-	Set<T> result = new HashSet<>();
+        Set<T> result = new HashSet<>();
 
-	if (!hasResolverFor(ref)) {
-	    throw new DbXrefResourceException("No handler found for database '" + ref.getDatabase() + "'. Supported databases: " + getSupportedDatabases());
-	}
+        if (!hasResolverFor(ref)) {
+            throw new DbXrefResourceException("No handler found for database '" + ref.getDatabase() + "'. Supported databases: " + getSupportedDatabases());
+        }
 
-	for (DbXRefResolver dbXResource : getResolversFor(ref)) {
-	    result.addAll(filter(dbXResource.resolve(ref), targetClass));
-	}
+        for (DbXRefResolver dbXResource : getResolversFor(ref)) {
+            result.addAll(filter(dbXResource.resolve(ref), targetClass));
+        }
 
-	return result;
+        return result;
     }
 
     public <T extends Resource> Collection<? extends T> filter(Iterable<? extends Resource> iterable, Class<T> targetClass) {
-	List<T> filtered = new LinkedList<>();
-	for (Resource r : iterable) {
-	    if (targetClass.isInstance(r)) {
-		filtered.add(targetClass.cast(r));
-	    }
-	}
-	return filtered;
+        List<T> filtered = new LinkedList<>();
+        for (Resource r : iterable) {
+            if (targetClass.isInstance(r)) {
+                filtered.add(targetClass.cast(r));
+            }
+        }
+        return filtered;
     }
 
     private Set<String> getSupportedDatabases() {
-	Set<String> set = new LinkedHashSet<>();
-	for (DbXRefResolver dbXRefResolver : getResolvers()) {
-	    Iterables.addAll(set, dbXRefResolver.getDatabasePrefixes());
-	}
-	return set;
+        Set<String> set = new LinkedHashSet<>();
+        for (DbXRefResolver dbXRefResolver : getResolvers()) {
+            Iterables.addAll(set, dbXRefResolver.getDatabasePrefixes());
+        }
+        return set;
     }
 
     @Override
     public DbXRef create(CharSequence database, CharSequence identifier) {
-	return new SimpleDbXRef(database.toString(), identifier.toString());
+        return new SimpleDbXRef(database.toString(), identifier.toString());
     }
 
     @Override
     public DbXRef create(CharSequence dbxref) {
-	return new DbXrefParser().parse(dbxref.toString());
+        return new DbXrefParser().parse(dbxref.toString());
     }
 }