KAA-1279: Fixed about 50 warnings

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/configuration/ConfigurationProcessedObservable.java

@@ -17,7 +17,7 @@
 package org.kaaproject.kaa.client.configuration;
 
 /**
- * Notifies subscribers when all deltas have been already processed
+ * Notifies subscribers when all deltas have been already processed.
  *
  * @author Yaroslav Zeygerman
  */

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/configuration/ConfigurationProcessedObserver.java

@@ -18,7 +18,6 @@
 
 /**
  * Interface for configuration processing is finished observers.
- *
  * Receiver can be subscribed/unsubscribed via {@link ConfigurationProcessedObservable}
  */
 public interface ConfigurationProcessedObserver {

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/configuration/ConfigurationProcessor.java

@@ -21,7 +21,6 @@
 
 /**
  * Interface for a configuration processor.
- *
  * Receives and decodes the raw configuration data
  *
  * @author Yaroslav Zeygerman

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/configuration/DecodedDeltaObservable.java

@@ -17,22 +17,22 @@
 package org.kaaproject.kaa.client.configuration;
 
 /**
- * Sends notifications with decoded configuration
+ * Sends notifications with decoded configuration.
  *
  * @author Yaroslav Zeygerman
  */
 public interface DecodedDeltaObservable {
 
   /**
-   * Subscribes new receiver for decoded data updates
+   * Subscribes new receiver for decoded data updates.
    *
    * @param receiver receiver to get decoded configuration updates
    * @see GenericDeltaReceiver
    */
   void subscribeForUpdates(GenericDeltaReceiver receiver);
 
   /**
-   * Unsubscribes receiver from decoded data updates
+   * Unsubscribes receiver from decoded data updates.
    *
    * @param receiver receiver to be unsubscribed from configuration updates
    * @see GenericDeltaReceiver

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/configuration/DefaultConfigurationProcessor.java

@@ -28,34 +28,38 @@
 import java.util.List;
 
 /**
- * Implementation of {@link ConfigurationProcessor} using avro decoding mechanisms
+ * Implementation of {@link ConfigurationProcessor} using avro decoding mechanisms.
  *
  * @author Yaroslav Zeygerman
  */
 public class DefaultConfigurationProcessor implements
     ConfigurationProcessor, DecodedDeltaObservable,
     SchemaUpdatesReceiver, ConfigurationProcessedObservable {
 
-  private final List<GenericDeltaReceiver> onDeltaReceived = new LinkedList<GenericDeltaReceiver>();
-  private final List<ConfigurationProcessedObserver> onProcessed = new LinkedList<ConfigurationProcessedObserver>();
+  private final List<GenericDeltaReceiver> onDeltaReceived = new LinkedList<>();
+  private final List<ConfigurationProcessedObserver> onProcessed = new LinkedList<>();
   private Schema schema;
 
   public DefaultConfigurationProcessor() {
 
   }
 
   @Override
-  public synchronized void processConfigurationData(ByteBuffer buffer, boolean fullResync) throws IOException {
+  public synchronized void processConfigurationData(ByteBuffer buffer, boolean fullResync)
+          throws IOException {
     if (buffer != null) {
       if (schema == null) {
-        throw new ConfigurationRuntimeException("Can't process configuration update. Schema is null");
+        throw new ConfigurationRuntimeException(
+                "Can't process configuration update. Schema is null");
       }
-      GenericAvroConverter<GenericArray<GenericRecord>> converter = new GenericAvroConverter<GenericArray<GenericRecord>>(schema);
+      GenericAvroConverter<GenericArray<GenericRecord>> converter =
+              new GenericAvroConverter<>(schema);
       GenericArray<GenericRecord> deltaArray = converter.decodeBinary(buffer.array());
 
       for (GenericRecord delta : deltaArray) {
         GenericRecord record = (GenericRecord) delta.get("delta");
-        int index = delta.getSchema().getField("delta").schema().getTypes().indexOf(record.getSchema());
+        int index = delta.getSchema().getField("delta").schema().getTypes().indexOf(
+                record.getSchema());
         for (GenericDeltaReceiver subscriber : onDeltaReceived) {
           subscriber.onDeltaReceived(index, record, fullResync);
         }

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/configuration/base/AbstractConfigurationManager.java

@@ -36,15 +36,17 @@
 public abstract class AbstractConfigurationManager implements ConfigurationManager {
   private static final Logger LOG = LoggerFactory.getLogger(AbstractConfigurationManager.class);
   protected final ConfigurationDeserializer deserializer;
-  private final Set<ConfigurationListener> listeners = Collections.newSetFromMap(new ConcurrentHashMap<ConfigurationListener, Boolean>());
+  private final Set<ConfigurationListener> listeners = Collections.newSetFromMap(
+          new ConcurrentHashMap<ConfigurationListener, Boolean>());
   private final KaaClientProperties properties;
   private final ExecutorContext executorContext;
   private volatile byte[] configurationData;
   private ConfigurationStorage storage;
   private ConfigurationHashContainer container = new HashContainer();
   private KaaClientState state;
 
-  public AbstractConfigurationManager(KaaClientProperties properties, KaaClientState state, ExecutorContext executorContext) {
+  public AbstractConfigurationManager(KaaClientProperties properties, KaaClientState state,
+                                      ExecutorContext executorContext) {
     super();
     this.properties = properties;
     this.state = state;
@@ -56,9 +58,9 @@ private static byte[] toByteArray(ByteBuffer buffer) {
     if (buffer == null) {
       return null;
     }
-    byte[] b = new byte[buffer.remaining()];
-    buffer.get(b);
-    return b;
+    byte[] bytes = new byte[buffer.remaining()];
+    buffer.get(bytes);
+    return bytes;
   }
 
   @Override
@@ -90,7 +92,8 @@ public ConfigurationProcessor getConfigurationProcessor() {
     return new ConfigurationProcessor() {
 
       @Override
-      public void processConfigurationData(ByteBuffer buffer, boolean fullResync) throws IOException {
+      public void processConfigurationData(ByteBuffer buffer, boolean fullResync)
+              throws IOException {
         if (fullResync) {
           configurationData = toByteArray(buffer);
           if (LOG.isTraceEnabled()) {
@@ -132,15 +135,15 @@ private byte[] loadConfigurationData() {
         LOG.info("Clearing old configuration data from storage {}", storage);
         try {
           storage.clearConfiguration();
-        } catch (IOException e) {
-          LOG.error("Failed to clear configuration from storage", e);
+        } catch (IOException ex) {
+          LOG.error("Failed to clear configuration from storage", ex);
         }
       } else {
         LOG.debug("Loading configuration data from storage {}", storage);
         try {
           configurationData = toByteArray(storage.loadConfiguration());
-        } catch (IOException e) {
-          LOG.error("Failed to load configuration from storage", e);
+        } catch (IOException ex) {
+          LOG.error("Failed to load configuration from storage", ex);
         }
       }
     }

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/configuration/base/ConfigurationDeserializer.java

@@ -27,7 +27,6 @@
 
 /**
  * This class deserialize binary data to configuration object.
- *
  * This implementation is auto-generated. Please modify corresponding template
  * file.
  *
@@ -36,14 +35,16 @@
 @Generated("ConfigurationDeserializer.java.template")
 class ConfigurationDeserializer {
 
-  private final AvroByteArrayConverter<Configuration> converter = new AvroByteArrayConverter<Configuration>(Configuration.class);
+  private final AvroByteArrayConverter<Configuration> converter =
+          new AvroByteArrayConverter<Configuration>(Configuration.class);
   private final ExecutorContext executorContext;
 
   public ConfigurationDeserializer(ExecutorContext executorContext) {
     this.executorContext = executorContext;
   }
 
-  void notify(Collection<ConfigurationListener> listeners, byte[] configurationData) throws IOException {
+  void notify(Collection<ConfigurationListener> listeners, byte[] configurationData)
+          throws IOException {
     final Configuration configuration = fromByteArray(configurationData);
     for (final ConfigurationListener listener : listeners) {
       executorContext.getCallbackExecutor().submit(new Runnable() {

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/configuration/base/ConfigurationManager.java

@@ -36,7 +36,7 @@
 public interface ConfigurationManager extends GenericConfigurationManager {
 
   /**
-   * Always returns latest configuration
+   * Always returns latest configuration.
    *
    * @return configuration
    */

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/configuration/base/ResyncConfigurationManager.java

@@ -29,24 +29,28 @@
 import javax.annotation.Generated;
 
 @Generated("ResyncConfigurationManager.java.template")
-public class ResyncConfigurationManager extends AbstractConfigurationManager implements ConfigurationManager {
+public class ResyncConfigurationManager extends AbstractConfigurationManager
+        implements ConfigurationManager {
 
   private static final Logger LOG = LoggerFactory.getLogger(ResyncConfigurationManager.class);
 
-  public ResyncConfigurationManager(KaaClientProperties properties, KaaClientState state, ExecutorContext executorContext) {
+  public ResyncConfigurationManager(KaaClientProperties properties, KaaClientState state,
+                                    ExecutorContext executorContext) {
     super(properties, state, executorContext);
   }
 
   @Override
   public Configuration getConfiguration() {
     try {
       return deserializer.fromByteArray(getConfigurationData());
-    } catch (IOException e) {
-      LOG.error("Failed to decode configuration data {}, exception catched: {}", Arrays.toString(getConfigurationData()), e);
+    } catch (IOException ex) {
+      LOG.error("Failed to decode configuration data {}, exception catched: {}",
+              Arrays.toString(getConfigurationData()), ex);
       try {
         return deserializer.fromByteArray(getDefaultConfigurationData());
       } catch (IOException e1) {
-        LOG.error("Failed to decode default configuration data {}, exception catched: {}", Arrays.toString(getConfigurationData()), e1);
+        LOG.error("Failed to decode default configuration data {}, exception catched: {}",
+                Arrays.toString(getConfigurationData()), e1);
         return null;
       }
     }

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/configuration/manager/ConfigurationManager.java

@@ -92,7 +92,7 @@ public interface ConfigurationManager {
   void unsubscribeFromConfigurationUpdates(ConfigurationReceiver receiver);
 
   /**
-   * Retrieves full configuration
+   * Retrieves full configuration.
    *
    * @return common object with full configuration
    * @see CommonRecord

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/configuration/manager/ConfigurationReceiver.java

@@ -19,7 +19,7 @@
 import org.kaaproject.kaa.client.common.CommonRecord;
 
 /**
- * Interface for subscriber to receive full configuration<br>
+ * Interface for subscriber to receive full configuration<br>.
  * <br>
  * Instance of this interface implementation can be subscribed for updates in
  * {@link ConfigurationManager}
@@ -30,7 +30,7 @@
 public interface ConfigurationReceiver {
 
   /**
-   * This callback will be called on any configuration update
+   * This callback will be called on any configuration update.
    *
    * @param configuration full configuration in common objects
    * @see CommonRecord

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/configuration/manager/DefaultConfigurationManager.java

@@ -40,11 +40,12 @@
 import java.util.UUID;
 
 /**
- * Default @{link ConfigurationManager} implementation
+ * Default @{link ConfigurationManager} implementation.
  *
  * @author Yaroslav Zeygerman
  */
-public class DefaultConfigurationManager implements GenericDeltaReceiver, ConfigurationManager, ConfigurationProcessedObserver {
+public class DefaultConfigurationManager implements GenericDeltaReceiver, ConfigurationManager,
+        ConfigurationProcessedObserver {
   private static final Logger LOG = LoggerFactory.getLogger(DefaultConfigurationManager.class);
   private static final String UUID = "__uuid";
 
@@ -69,7 +70,8 @@ private CommonRecord createCommonRecord(GenericRecord avroRecord) {
     }
   }
 
-  private void processRecordField(CommonRecord record, GenericRecord deltaRecord, String fieldName) {
+  private void processRecordField(
+          CommonRecord record, GenericRecord deltaRecord, String fieldName) {
     CommonRecord nextRecord = null;
     CommonValue nextValue = record.getField(fieldName);
     if (nextValue != null
@@ -101,7 +103,8 @@ private void processArrayField(CommonRecord record, GenericArray array, String f
       currentArray = arrayValue.getArray().getList();
     } else {
       currentArray = new LinkedList<CommonValue>();
-      record.setField(fieldName, commonFactory.createCommonValue(commonFactory.createCommonArray(array.getSchema(), currentArray)));
+      record.setField(fieldName, commonFactory.createCommonValue(
+              commonFactory.createCommonArray(array.getSchema(), currentArray)));
     }
     if (!array.isEmpty()) {
       Object rawItem = array.get(0);
@@ -131,7 +134,8 @@ private void processArrayField(CommonRecord record, GenericArray array, String f
           }
         } else {
           for (GenericFixed item : fixedItems) {
-            currentArray.add(commonFactory.createCommonValue(commonFactory.createCommonFixed(item.getSchema(), item.bytes())));
+            currentArray.add(commonFactory.createCommonValue(
+                    commonFactory.createCommonFixed(item.getSchema(), item.bytes())));
           }
         }
       } else {
@@ -148,12 +152,14 @@ private void processEnumField(CommonRecord record, GenericEnumSymbol symbol, Str
     if (AvroGenericUtils.isReset(symbol)) {
       record.getField(fieldName).getArray().getList().clear();
     } else if (!AvroGenericUtils.isUnchanged(symbol)) {
-      record.setField(fieldName, commonFactory.createCommonValue(commonFactory.createCommonEnum(enumSchema, symbol.toString())));
+      record.setField(fieldName, commonFactory.createCommonValue(
+              commonFactory.createCommonEnum(enumSchema, symbol.toString())));
     }
   }
 
   private void processFixedField(CommonRecord record, GenericFixed fixed, String fieldName) {
-    record.setField(fieldName, commonFactory.createCommonValue(commonFactory.createCommonFixed(fixed.getSchema(), fixed.bytes())));
+    record.setField(fieldName, commonFactory.createCommonValue(
+            commonFactory.createCommonFixed(fixed.getSchema(), fixed.bytes())));
   }
 
   private void updateRecord(CommonRecord record, GenericRecord delta) {