Fixing PDM

src/main/java/at/ac/uibk/gitsearch/service/ShoppingBasketService.java

 package at.ac.uibk.gitsearch.service;
 
-import at.ac.uibk.gitsearch.repository.gitlab.GitLabRepository;
-import at.ac.uibk.gitsearch.security.jwt.TokenProvider.GitLabAccessInfo;
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.DeserializationFeature;
-import com.fasterxml.jackson.databind.JsonMappingException;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
-import com.google.common.cache.CacheBuilder;
-import com.google.common.cache.CacheLoader;
-import com.google.common.cache.LoadingCache;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.PipedInputStream;
@@ -22,6 +12,7 @@ import java.util.UUID;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipInputStream;
 import java.util.zip.ZipOutputStream;
+
 import org.apache.commons.lang3.StringUtils;
 import org.checkerframework.checker.nullness.qual.Nullable;
 import org.codeability.sharing.plugins.api.ShoppingBasket;
@@ -38,6 +29,18 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.util.StreamUtils;
 
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.JsonMappingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
+import com.google.common.cache.CacheBuilder;
+import com.google.common.cache.CacheLoader;
+import com.google.common.cache.LoadingCache;
+
+import at.ac.uibk.gitsearch.repository.gitlab.GitLabRepository;
+import at.ac.uibk.gitsearch.security.jwt.TokenProvider.GitLabAccessInfo;
+
 /**
  * Service for exercise/course search results
  * <p>
@@ -411,7 +414,9 @@ public class ShoppingBasketService {
      * @return
      */
     protected static boolean filterOut(String filePath, String[] filterOut, boolean isDirectory) {
-        if (filePath == null) return false;
+		if (filePath == null) {
+			return false;
+		}
         for (String filter : filterOut) {
             if (filter == null) {
                 log.warn("filter should never be null!");
@@ -419,9 +424,14 @@ public class ShoppingBasketService {
             }
             IMatcher matcher;
             try {
-                if (filter.endsWith(FastIgnoreRule.PATH_SEPARATOR + "")) matcher =
-                    IMatcher.createPathMatcher(filter.substring(0, filter.length() - 1), true); else matcher =
+				if (filter.endsWith(
+						Character.toString(FastIgnoreRule.PATH_SEPARATOR))) {
+					matcher = IMatcher.createPathMatcher(
+							filter.substring(0, filter.length() - 1), true);
+				} else {
+					matcher =
                     IMatcher.createPathMatcher(filter, false);
+				}
             } catch (InvalidPatternException e) {
                 log.warn("Cannot parse pattern {}", filter);
                 continue;