Reduce the number of problems in resources by removing unused imports

- add removeUnusedImports option to spotless
- update spotless plugin to latest version

Issue-ID: AAI-3596

Signed-off-by: Fiete Ostkamp <Fiete.Ostkamp@telekom.de>
Change-Id: I2c4c4b71a9c6b1a719f171194c631a88c70c221e

7 files changed, 2 insertions, 18 deletions

diff --git a/aai-resources/src/main/java/org/onap/aai/TenantIsolation/DataImportTasks.java b/aai-resources/src/main/java/org/onap/aai/TenantIsolation/DataImportTasks.java
index 3aeac7e..e32d404 100644
--- a/aai-resources/src/main/java/org/onap/aai/TenantIsolation/DataImportTasks.java
+++ b/aai-resources/src/main/java/org/onap/aai/TenantIsolation/DataImportTasks.java
@@ -29,23 +29,15 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.text.SimpleDateFormat;
-import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Date;
 import java.util.List;
-import java.util.Map;
-import java.util.NavigableMap;
 import java.util.Properties;
-import java.util.TreeMap;
-import java.util.UUID;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
 
 import org.apache.commons.io.FileUtils;
 import org.apache.commons.io.comparator.LastModifiedFileComparator;
 import org.apache.commons.io.filefilter.DirectoryFileFilter;
 import org.apache.commons.io.filefilter.FileFileFilter;
-import org.apache.commons.io.filefilter.RegexFileFilter;
 import org.onap.aai.exceptions.AAIException;
 import org.onap.aai.logging.ErrorLogHelper;
 import org.onap.aai.util.AAIConfig;
diff --git a/aai-resources/src/main/java/org/onap/aai/interceptors/pre/HeaderValidation.java b/aai-resources/src/main/java/org/onap/aai/interceptors/pre/HeaderValidation.java
index f0eaac9..294cb0a 100644
--- a/aai-resources/src/main/java/org/onap/aai/interceptors/pre/HeaderValidation.java
+++ b/aai-resources/src/main/java/org/onap/aai/interceptors/pre/HeaderValidation.java
@@ -24,7 +24,6 @@ import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
-import java.util.UUID;
 
 import javax.annotation.Priority;
 import javax.ws.rs.container.ContainerRequestContext;
@@ -39,7 +38,6 @@ import org.onap.aai.interceptors.AAIHeaderProperties;
 import org.onap.aai.logging.ErrorLogHelper;
 import org.onap.logging.filter.base.Constants;
 import org.onap.logging.filter.base.ONAPComponents;
-import org.onap.logging.filter.base.SimpleMap;
 import org.onap.logging.ref.slf4j.ONAPLogConstants;
 
 @PreMatching
diff --git a/aai-resources/src/main/java/org/onap/aai/interceptors/pre/RequestHeaderManipulation.java b/aai-resources/src/main/java/org/onap/aai/interceptors/pre/RequestHeaderManipulation.java
index b70ff06..3fb6c81 100644
--- a/aai-resources/src/main/java/org/onap/aai/interceptors/pre/RequestHeaderManipulation.java
+++ b/aai-resources/src/main/java/org/onap/aai/interceptors/pre/RequestHeaderManipulation.java
@@ -20,13 +20,10 @@
 
 package org.onap.aai.interceptors.pre;
 
-import java.io.IOException;
 import java.util.Collections;
 import java.util.regex.Matcher;
-import java.util.regex.Pattern;
 
 import javax.annotation.Priority;
-import javax.servlet.http.HttpServletRequest;
 import javax.ws.rs.container.ContainerRequestContext;
 import javax.ws.rs.container.ContainerRequestFilter;
 import javax.ws.rs.container.PreMatching;
@@ -34,7 +31,6 @@ import javax.ws.rs.core.MultivaluedMap;
 
 import org.onap.aai.interceptors.AAIContainerFilter;
 import org.onap.aai.interceptors.AAIHeaderProperties;
-import org.springframework.beans.factory.annotation.Autowired;
 
 @PreMatching
 @Priority(AAIRequestFilterPriority.HEADER_MANIPULATION)
diff --git a/aai-resources/src/main/java/org/onap/aai/interceptors/pre/VersionInterceptor.java b/aai-resources/src/main/java/org/onap/aai/interceptors/pre/VersionInterceptor.java
index 5d21141..01cd013 100644
--- a/aai-resources/src/main/java/org/onap/aai/interceptors/pre/VersionInterceptor.java
+++ b/aai-resources/src/main/java/org/onap/aai/interceptors/pre/VersionInterceptor.java
@@ -20,7 +20,6 @@
 
 package org.onap.aai.interceptors.pre;
 
-import java.net.URI;
 import java.util.ArrayList;
 import java.util.Set;
 import java.util.regex.Matcher;
diff --git a/aai-resources/src/main/java/org/onap/aai/rest/URLFromVertexIdConsumer.java b/aai-resources/src/main/java/org/onap/aai/rest/URLFromVertexIdConsumer.java
index b57181e..bf29fd0 100644
--- a/aai-resources/src/main/java/org/onap/aai/rest/URLFromVertexIdConsumer.java
+++ b/aai-resources/src/main/java/org/onap/aai/rest/URLFromVertexIdConsumer.java
@@ -43,7 +43,6 @@ import org.onap.aai.restcore.RESTAPI;
 import org.onap.aai.serialization.db.DBSerializer;
 import org.onap.aai.serialization.engines.TransactionalGraphEngine;
 import org.onap.aai.setup.SchemaVersion;
-import org.onap.aai.util.AAIConfig;
 
 /**
  * The Class URLFromVertexIdConsumer.
diff --git a/aai-resources/src/test/java/org/onap/aai/rest/PserverRelationshipTest.java b/aai-resources/src/test/java/org/onap/aai/rest/PserverRelationshipTest.java
index 005ad16..6e52df0 100644
--- a/aai-resources/src/test/java/org/onap/aai/rest/PserverRelationshipTest.java
+++ b/aai-resources/src/test/java/org/onap/aai/rest/PserverRelationshipTest.java
@@ -33,7 +33,6 @@ import java.util.Set;
 
 import org.junit.Test;
 import org.onap.aai.PayloadUtil;
-import org.onap.aai.util.MapperUtil;
 import org.springframework.http.HttpEntity;
 import org.springframework.http.HttpMethod;
 import org.springframework.http.HttpStatus;
diff --git a/pom.xml b/pom.xml
index 8a18a4e..adfa691 100644
--- a/pom.xml
+++ b/pom.xml
@@ -75,12 +75,13 @@
                 <plugin>
                     <groupId>com.diffplug.spotless</groupId>
                     <artifactId>spotless-maven-plugin</artifactId>
-                    <version>1.18.0</version>
+                    <version>2.27.2</version>
                     <configuration>
                         <java>
                             <importOrder>
                                 <order>com,java,javax,org</order>
                             </importOrder>
+                            <removeUnusedImports/>
                         </java>
                     </configuration>
                     <!-- https://github.com/diffplug/spotless/tree/master/plugin-maven