Addressed codacy issues in DNS.

gcloud-java-dns/pom.xml

@@ -3,7 +3,6 @@
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
-  <groupId>com.google.gcloud</groupId>
   <artifactId>gcloud-java-dns</artifactId>
   <packaging>jar</packaging>
   <name>GCloud Java DNS</name>

gcloud-java-dns/src/main/java/com/google/gcloud/dns/ChangeRequest.java

@@ -221,7 +221,7 @@ static ChangeRequest fromPb(Dns dns, String zoneName, Change pb) {
   static Function<Change, ChangeRequest> fromPbFunction(final Dns dns, final String zoneName) {
     return new Function<Change, ChangeRequest>() {
       @Override
-      public ChangeRequest apply(com.google.api.services.dns.model.Change pb) {
+      public ChangeRequest apply(Change pb) {
         return ChangeRequest.fromPb(dns, zoneName, pb);
       }
     };

gcloud-java-dns/src/main/java/com/google/gcloud/dns/Dns.java

@@ -23,7 +23,6 @@
 import com.google.gcloud.Service;
 import com.google.gcloud.dns.spi.DnsRpc;
 
-import java.io.Serializable;
 import java.util.List;
 
 /**

gcloud-java-dns/src/main/java/com/google/gcloud/dns/DnsImpl.java

@@ -17,11 +17,11 @@
 package com.google.gcloud.dns;
 
 import static com.google.common.base.Preconditions.checkArgument;
-import static com.google.gcloud.RetryHelper.RetryHelperException;
 import static com.google.gcloud.RetryHelper.runWithRetries;
 
 import com.google.api.services.dns.model.Change;
 import com.google.api.services.dns.model.ManagedZone;
+import com.google.api.services.dns.model.Project;
 import com.google.api.services.dns.model.ResourceRecordSet;
 import com.google.common.base.Function;
 import com.google.common.collect.ImmutableList;
@@ -121,8 +121,7 @@ private static Page<Zone> listZones(final DnsOptions serviceOptions,
     // this differs from the other list operations since zone is functional and requires dns service
     Function<ManagedZone, Zone> pbToZoneFunction = new Function<ManagedZone, Zone>() {
       @Override
-      public Zone apply(
-          com.google.api.services.dns.model.ManagedZone zonePb) {
+      public Zone apply(ManagedZone zonePb) {
         return Zone.fromPb(serviceOptions.service(), zonePb);
       }
     };
@@ -142,7 +141,7 @@ public DnsRpc.ListResult<ManagedZone> call() {
           ? ImmutableList.<Zone>of() : Iterables.transform(result.results(), pbToZoneFunction);
       return new PageImpl<>(new ZonePageFetcher(serviceOptions, cursor, optionsMap),
           cursor, zones);
-    } catch (RetryHelperException e) {
+    } catch (RetryHelper.RetryHelperException e) {
       throw DnsException.translateAndThrow(e);
     }
   }
@@ -169,10 +168,10 @@ public DnsRpc.ListResult<Change> call() {
       Iterable<ChangeRequest> changes = result.results() == null
           ? ImmutableList.<ChangeRequest>of()
           : Iterables.transform(result.results(),
-              ChangeRequest.fromPbFunction(serviceOptions.service(), zoneName));
+          ChangeRequest.fromPbFunction(serviceOptions.service(), zoneName));
       return new PageImpl<>(new ChangeRequestPageFetcher(zoneName, serviceOptions, cursor,
           optionsMap), cursor, changes);
-    } catch (RetryHelperException e) {
+    } catch (RetryHelper.RetryHelperException e) {
       throw DnsException.translateAndThrow(e);
     }
   }
@@ -201,7 +200,7 @@ public DnsRpc.ListResult<ResourceRecordSet> call() {
           : Iterables.transform(result.results(), RecordSet.FROM_PB_FUNCTION);
       return new PageImpl<>(new DnsRecordPageFetcher(zoneName, serviceOptions, cursor, optionsMap),
           cursor, recordSets);
-    } catch (RetryHelperException e) {
+    } catch (RetryHelper.RetryHelperException e) {
       throw DnsException.translateAndThrow(e);
     }
   }
@@ -210,10 +209,10 @@ public DnsRpc.ListResult<ResourceRecordSet> call() {
   public Zone create(final ZoneInfo zoneInfo, Dns.ZoneOption... options) {
     final Map<DnsRpc.Option, ?> optionsMap = optionMap(options);
     try {
-      com.google.api.services.dns.model.ManagedZone answer = runWithRetries(
-          new Callable<com.google.api.services.dns.model.ManagedZone>() {
+      ManagedZone answer = runWithRetries(
+          new Callable<ManagedZone>() {
             @Override
-            public com.google.api.services.dns.model.ManagedZone call() {
+            public ManagedZone call() {
               return dnsRpc.create(zoneInfo.toPb(), optionsMap);
             }
           }, options().retryParams(), EXCEPTION_HANDLER);
@@ -227,10 +226,10 @@ public com.google.api.services.dns.model.ManagedZone call() {
   public Zone getZone(final String zoneName, Dns.ZoneOption... options) {
     final Map<DnsRpc.Option, ?> optionsMap = optionMap(options);
     try {
-      com.google.api.services.dns.model.ManagedZone answer = runWithRetries(
-          new Callable<com.google.api.services.dns.model.ManagedZone>() {
+      ManagedZone answer = runWithRetries(
+          new Callable<ManagedZone>() {
             @Override
-            public com.google.api.services.dns.model.ManagedZone call() {
+            public ManagedZone call() {
               return dnsRpc.getZone(zoneName, optionsMap);
             }
           }, options().retryParams(), EXCEPTION_HANDLER);
@@ -258,10 +257,10 @@ public Boolean call() {
   public ProjectInfo getProject(Dns.ProjectOption... fields) {
     final Map<DnsRpc.Option, ?> optionsMap = optionMap(fields);
     try {
-      com.google.api.services.dns.model.Project answer = runWithRetries(
-          new Callable<com.google.api.services.dns.model.Project>() {
+      Project answer = runWithRetries(
+          new Callable<Project>() {
             @Override
-            public com.google.api.services.dns.model.Project call() {
+            public Project call() {
               return dnsRpc.getProject(optionsMap);
             }
           }, options().retryParams(), EXCEPTION_HANDLER);
@@ -276,14 +275,13 @@ public ChangeRequest applyChangeRequest(final String zoneName,
       final ChangeRequestInfo changeRequest, ChangeRequestOption... options) {
     final Map<DnsRpc.Option, ?> optionsMap = optionMap(options);
     try {
-      com.google.api.services.dns.model.Change answer =
-          runWithRetries(
-              new Callable<com.google.api.services.dns.model.Change>() {
-                @Override
-                public com.google.api.services.dns.model.Change call() {
-                  return dnsRpc.applyChangeRequest(zoneName, changeRequest.toPb(), optionsMap);
-                }
-              }, options().retryParams(), EXCEPTION_HANDLER);
+      Change answer = runWithRetries(
+          new Callable<Change>() {
+            @Override
+            public Change call() {
+              return dnsRpc.applyChangeRequest(zoneName, changeRequest.toPb(), optionsMap);
+            }
+          }, options().retryParams(), EXCEPTION_HANDLER);
       return answer == null ? null : ChangeRequest.fromPb(this, zoneName, answer); // not null
     } catch (RetryHelper.RetryHelperException ex) {
       throw DnsException.translateAndThrow(ex);
@@ -295,14 +293,13 @@ public ChangeRequest getChangeRequest(final String zoneName, final String change
       Dns.ChangeRequestOption... options) {
     final Map<DnsRpc.Option, ?> optionsMap = optionMap(options);
     try {
-      com.google.api.services.dns.model.Change answer =
-          runWithRetries(
-              new Callable<com.google.api.services.dns.model.Change>() {
-                @Override
-                public com.google.api.services.dns.model.Change call() {
-                  return dnsRpc.getChangeRequest(zoneName, changeRequestId, optionsMap);
-                }
-              }, options().retryParams(), EXCEPTION_HANDLER);
+      Change answer = runWithRetries(
+          new Callable<Change>() {
+            @Override
+            public Change call() {
+              return dnsRpc.getChangeRequest(zoneName, changeRequestId, optionsMap);
+            }
+          }, options().retryParams(), EXCEPTION_HANDLER);
       return answer == null ? null : ChangeRequest.fromPb(this, zoneName, answer);
     } catch (RetryHelper.RetryHelperException ex) {
       throw DnsException.translateAndThrow(ex);

gcloud-java-dns/src/main/java/com/google/gcloud/dns/ProjectInfo.java

@@ -18,6 +18,7 @@
 
 import static com.google.api.client.repackaged.com.google.common.base.Preconditions.checkNotNull;
 
+import com.google.api.services.dns.model.Project;
 import com.google.common.base.MoreObjects;
 
 import java.io.Serializable;
@@ -143,14 +144,13 @@ com.google.api.services.dns.model.Quota toPb() {
     }
 
     static Quota fromPb(com.google.api.services.dns.model.Quota pb) {
-      Quota quota = new Quota(pb.getManagedZones(),
+      return new Quota(pb.getManagedZones(),
           pb.getResourceRecordsPerRrset(),
           pb.getRrsetAdditionsPerChange(),
           pb.getRrsetDeletionsPerChange(),
           pb.getRrsetsPerManagedZone(),
           pb.getTotalRrdataSizePerChange()
       );
-      return quota;
     }
 
     @Override
@@ -243,8 +243,8 @@ String id() {
     return id;
   }
 
-  com.google.api.services.dns.model.Project toPb() {
-    com.google.api.services.dns.model.Project pb = new com.google.api.services.dns.model.Project();
+  Project toPb() {
+    Project pb = new Project();
     pb.setId(id);
     pb.setNumber(number);
     if (this.quota != null) {
@@ -253,7 +253,7 @@ com.google.api.services.dns.model.Project toPb() {
     return pb;
   }
 
-  static ProjectInfo fromPb(com.google.api.services.dns.model.Project pb) {
+  static ProjectInfo fromPb(Project pb) {
     Builder builder = builder();
     if (pb.getId() != null) {
       builder.id(pb.getId());

gcloud-java-dns/src/main/java/com/google/gcloud/dns/RecordSet.java

@@ -285,17 +285,16 @@ public boolean equals(Object obj) {
     return obj instanceof RecordSet && Objects.equals(this.toPb(), ((RecordSet) obj).toPb());
   }
 
-  com.google.api.services.dns.model.ResourceRecordSet toPb() {
-    com.google.api.services.dns.model.ResourceRecordSet pb =
-        new com.google.api.services.dns.model.ResourceRecordSet();
+  ResourceRecordSet toPb() {
+    ResourceRecordSet pb = new ResourceRecordSet();
     pb.setName(this.name());
     pb.setRrdatas(this.records());
     pb.setTtl(this.ttl());
     pb.setType(this.type().name());
     return pb;
   }
 
-  static RecordSet fromPb(com.google.api.services.dns.model.ResourceRecordSet pb) {
+  static RecordSet fromPb(ResourceRecordSet pb) {
     Builder builder = builder(pb.getName(), Type.valueOf(pb.getType()));
     if (pb.getRrdatas() != null) {
       builder.records(pb.getRrdatas());

gcloud-java-dns/src/main/java/com/google/gcloud/dns/Zone.java

@@ -18,6 +18,7 @@
 
 import static com.google.common.base.Preconditions.checkNotNull;
 
+import com.google.api.services.dns.model.ManagedZone;
 import com.google.gcloud.Page;
 
 import java.io.IOException;
@@ -205,12 +206,12 @@ public int hashCode() {
     return Objects.hash(super.hashCode(), options);
   }
 
-  private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
-    in.defaultReadObject();
+  private void readObject(ObjectInputStream stream) throws IOException, ClassNotFoundException {
+    stream.defaultReadObject();
     this.dns = options.service();
   }
 
-  static Zone fromPb(Dns dns, com.google.api.services.dns.model.ManagedZone zone) {
+  static Zone fromPb(Dns dns, ManagedZone zone) {
     ZoneInfo info = ZoneInfo.fromPb(zone);
     return new Zone(dns, new ZoneInfo.BuilderImpl(info));
   }

gcloud-java-dns/src/main/java/com/google/gcloud/dns/ZoneInfo.java

@@ -18,6 +18,7 @@
 
 import static com.google.common.base.Preconditions.checkNotNull;
 
+import com.google.api.services.dns.model.ManagedZone;
 import com.google.common.base.MoreObjects;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.Lists;
@@ -248,9 +249,9 @@ public Builder toBuilder() {
     return new BuilderImpl(this);
   }
 
-  com.google.api.services.dns.model.ManagedZone toPb() {
-    com.google.api.services.dns.model.ManagedZone pb =
-        new com.google.api.services.dns.model.ManagedZone();
+  ManagedZone toPb() {
+    ManagedZone pb =
+        new ManagedZone();
     pb.setDescription(this.description());
     pb.setDnsName(this.dnsName());
     if (this.generatedId() != null) {
@@ -267,7 +268,7 @@ com.google.api.services.dns.model.ManagedZone toPb() {
     return pb;
   }
 
-  static ZoneInfo fromPb(com.google.api.services.dns.model.ManagedZone pb) {
+  static ZoneInfo fromPb(ManagedZone pb) {
     Builder builder = new BuilderImpl(pb.getName());
     if (pb.getDescription() != null) {
       builder.description(pb.getDescription());

gcloud-java-dns/src/main/java/com/google/gcloud/dns/testing/LocalDnsHelper.java

@@ -122,7 +122,7 @@ public class LocalDnsHelper {
     }
   }
 
-  private long delayChange;
+  private final long delayChange;
   private final HttpServer server;
   private final int port;
 
@@ -140,8 +140,8 @@ private enum CallRegex {
     PROJECT_GET("GET", CONTEXT + "/[^/]+"),
     RECORD_LIST("GET", CONTEXT + "/[^/]+/managedZones/[^/]+/rrsets");
 
-    private String method;
-    private String pathRegex;
+    private final String method;
+    private final String pathRegex;
 
     CallRegex(String method, String pathRegex) {
       this.pathRegex = pathRegex;
@@ -382,7 +382,7 @@ ConcurrentSkipListMap<String, ProjectContainer> projects() {
   }
 
   /**
-   * Creates new {@link LocalDnsHelper} instance that listens to requests on the local machine. This
+   * Creates new {@code LocalDnsHelper} instance that listens to requests on the local machine. This
    * instance processes changes in separate thread. The parameter determines how long a thread
    * should wait before processing a change. If it is set to 0, the threading is turned off and the
    * mock will behave synchronously.

gcloud-java-dns/src/main/java/com/google/gcloud/dns/testing/OptionParsers.java

@@ -29,6 +29,9 @@
  */
 class OptionParsers {
 
+  private OptionParsers() {
+  }
+
   static Map<String, Object> parseListZonesOptions(String query) {
     Map<String, Object> options = new HashMap<>();
     if (query != null) {

gcloud-java-dns/src/test/java/com/google/gcloud/dns/ChangeRequestInfoTest.java

@@ -23,6 +23,7 @@
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
+import com.google.api.services.dns.model.Change;
 import com.google.common.collect.ImmutableList;
 
 import org.junit.Test;
@@ -209,7 +210,7 @@ public void testRemoveDeletion() {
   @Test
   public void testDateParsing() {
     String startTime = "2016-01-26T18:33:43.512Z"; // obtained from service
-    com.google.api.services.dns.model.Change change = CHANGE.toPb().setStartTime(startTime);
+    Change change = CHANGE.toPb().setStartTime(startTime);
     ChangeRequestInfo converted = ChangeRequest.fromPb(change);
     assertNotNull(converted.startTimeMillis());
     assertEquals(change, converted.toPb());

gcloud-java-dns/src/test/java/com/google/gcloud/dns/DnsImplTest.java

@@ -21,6 +21,7 @@
 
 import com.google.api.services.dns.model.Change;
 import com.google.api.services.dns.model.ManagedZone;
+import com.google.api.services.dns.model.ResourceRecordSet;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.Lists;
@@ -69,8 +70,7 @@ public class DnsImplTest {
           CHANGE_REQUEST_PARTIAL.toPb()));
   private static final DnsRpc.ListResult<ManagedZone> LIST_RESULT_OF_PB_ZONES =
       DnsRpc.ListResult.of("cursor", ImmutableList.of(ZONE_INFO.toPb()));
-  private static final DnsRpc.ListResult<com.google.api.services.dns.model.ResourceRecordSet>
-      LIST_OF_PB_DNS_RECORDS =
+  private static final DnsRpc.ListResult<ResourceRecordSet> LIST_OF_PB_DNS_RECORDS =
       DnsRpc.ListResult.of("cursor", ImmutableList.of(DNS_RECORD1.toPb(), DNS_RECORD2.toPb()));
 
   // Field options