Fix quality flaws

server/sonar-server/src/main/java/org/sonar/server/issue/ws/SearchAction.java

@@ -369,25 +369,26 @@ public class SearchAction implements IssuesWsAction {
     addMandatoryValuesToFacet(facets, PARAM_TYPES, RuleType.names());
     addMandatoryValuesToFacet(facets, PARAM_COMPONENT_UUIDS, request.getComponentUuids());
 
-    for (String facetName : request.getFacets()) {
-      LinkedHashMap<String, Long> buckets = facets.get(facetName);
-      if (!FACET_ASSIGNED_TO_ME.equals(facetName)) {
-        if (buckets != null) {
-          List<String> requestParams = wsRequest.paramAsStrings(facetName);
-          if (requestParams != null) {
-            for (String param : requestParams) {
-              if (!buckets.containsKey(param) && !IssueQueryService.LOGIN_MYSELF.equals(param)) {
-                // Prevent appearance of a glitch value due to dedicated parameter for this facet
-                buckets.put(param, 0L);
-              }
-            }
-          }
-        }
-      }
+    List<String> requestedFacets = request.getFacets();
+    if (requestedFacets == null) {
+      return;
     }
+    requestedFacets.stream()
+      .filter(facetName -> !FACET_ASSIGNED_TO_ME.equals(facetName))
+      .forEach(facetName -> {
+        LinkedHashMap<String, Long> buckets = facets.get(facetName);
+        List<String> requestParams = wsRequest.paramAsStrings(facetName);
+        if (buckets == null || requestParams == null) {
+          return;
+        }
+        requestParams.stream()
+          .filter(param -> !buckets.containsKey(param) && !IssueQueryService.LOGIN_MYSELF.equals(param))
+          // Prevent appearance of a glitch value due to dedicated parameter for this facet
+          .forEach(param -> buckets.put(param, 0L));
+      });
   }
 
-  private void addMandatoryValuesToFacet(Facets facets, String facetName, @Nullable Iterable<String> mandatoryValues) {
+  private static void addMandatoryValuesToFacet(Facets facets, String facetName, @Nullable Iterable<String> mandatoryValues) {
     Map<String, Long> buckets = facets.get(facetName);
     if (buckets != null && mandatoryValues != null) {
       for (String mandatoryValue : mandatoryValues) {

server/sonar-server/src/main/java/org/sonar/server/qualitygate/ws/ProjectStatusAction.java

@@ -19,13 +19,10 @@
  */
 package org.sonar.server.qualitygate.ws;
 
-import com.google.common.base.Function;
-import com.google.common.base.Joiner;
 import com.google.common.base.Optional;
-import com.google.common.collect.Lists;
 import java.util.Arrays;
 import java.util.List;
-import javax.annotation.Nonnull;
+import java.util.stream.Collectors;
 import javax.annotation.Nullable;
 import org.sonar.api.measures.CoreMetrics;
 import org.sonar.api.server.ws.Request;
@@ -59,14 +56,9 @@ import static org.sonarqube.ws.client.qualitygate.QualityGatesWsParameters.PARAM
 import static org.sonarqube.ws.client.qualitygate.QualityGatesWsParameters.PARAM_PROJECT_KEY;
 
 public class ProjectStatusAction implements QualityGatesWsAction {
-  private static final String QG_STATUSES_ONE_LINE = Joiner.on(", ")
-    .join(Lists.transform(Arrays.asList(ProjectStatusWsResponse.Status.values()), new Function<ProjectStatusWsResponse.Status, String>() {
-      @Nonnull
-      @Override
-      public String apply(@Nonnull ProjectStatusWsResponse.Status input) {
-        return input.toString();
-      }
-    }));
+  private static final String QG_STATUSES_ONE_LINE = Arrays.stream(ProjectStatusWsResponse.Status.values())
+    .map(Enum::toString)
+    .collect(Collectors.joining(", "));
   private static final String MSG_ONE_PARAMETER_ONLY = String.format("One (and only one) of the following parameters must be provided '%s', '%s', '%s'",
     PARAM_ANALYSIS_ID, PARAM_PROJECT_ID, PARAM_PROJECT_KEY);
 

sonar-plugin-api/src/main/java/org/sonar/api/server/ws/WebService.java

@@ -191,7 +191,7 @@ public interface WebService extends Definable<WebService.Context> {
     private final Map<String, Action> actions;
 
     private Controller(NewController newController) {
-      checkState(!newController.actions.isEmpty(), format("At least one action must be declared in the web service '%s'", newController.path));
+      checkState(!newController.actions.isEmpty(), "At least one action must be declared in the web service '%s'", newController.path);
       this.path = newController.path;
       this.description = newController.description;
       this.since = newController.since;
@@ -327,8 +327,7 @@ public interface WebService extends Definable<WebService.Context> {
     }
 
     public NewParam createParam(String paramKey) {
-      checkState(!newParams.containsKey(paramKey),
-        format("The parameter '%s' is defined multiple times in the action '%s'", paramKey, key));
+      checkState(!newParams.containsKey(paramKey), "The parameter '%s' is defined multiple times in the action '%s'", paramKey, key);
       NewParam newParam = new NewParam(paramKey);
       newParams.put(paramKey, newParam);
       return newParam;
@@ -485,7 +484,7 @@ public interface WebService extends Definable<WebService.Context> {
       this.responseExample = newAction.responseExample;
       this.handler = newAction.handler;
 
-      checkState(this.handler != null, "RequestHandler is not set on action " + path);
+      checkState(this.handler != null, "RequestHandler is not set on action %s", path);
       logWarningIf(isNullOrEmpty(this.description), "Description is not set on action " + path);
       logWarningIf(isNullOrEmpty(this.since), "Since is not set on action " + path);
       logWarningIf(!this.post && this.responseExample == null, "The response example is not set on action " + path);

sonar-ws/src/main/java/org/sonarqube/ws/client/projectanalysis/UpdateEventRequest.java

@@ -30,7 +30,7 @@ public class UpdateEventRequest {
 
   public UpdateEventRequest(String event, String name) {
     this.event = requireNonNull(event, "Event key is required");
-    this.name = requireNonNull(name, "Name is required");;
+    this.name = requireNonNull(name, "Name is required");
   }
 
   public String getEvent() {