Drop SLF4J in favor of Reactor's Logger utilities

[resolves #200]

Author: mp911de

pom.xml

@@ -48,15 +48,14 @@
         <r2dbc-spi.version>${project.version}</r2dbc-spi.version>
         <reactor.version>Dysprosium-SR1</reactor.version>
         <scram-client.version>2.1</scram-client.version>
-        <slf4j.version>1.7.26</slf4j.version>
         <spring-framework.version>5.2.1.RELEASE</spring-framework.version>
         <testcontainers.version>1.12.3</testcontainers.version>
     </properties>
 
     <licenses>
         <license>
             <name>Apache License 2.0</name>
-            <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+            <url>https://www.apache.org/licenses/LICENSE-2.0.txt</url>
             <distribution>repo</distribution>
         </license>
     </licenses>
@@ -149,11 +148,6 @@
             <classifier>osx-x86_64</classifier>
             <optional>true</optional>
         </dependency>
-        <dependency>
-            <groupId>org.slf4j</groupId>
-            <artifactId>slf4j-api</artifactId>
-            <version>${slf4j.version}</version>
-        </dependency>
         <dependency>
             <groupId>com.google.code.findbugs</groupId>
             <artifactId>jsr305</artifactId>

src/main/java/io/r2dbc/postgresql/Extensions.java

@@ -17,8 +17,8 @@
 package io.r2dbc.postgresql;
 
 import io.r2dbc.postgresql.extension.Extension;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import reactor.util.Logger;
+import reactor.util.Loggers;
 
 import java.security.AccessController;
 import java.security.PrivilegedAction;
@@ -33,7 +33,7 @@
  */
 final class Extensions {
 
-    private static final Logger logger = LoggerFactory.getLogger(Extensions.class);
+    private static final Logger logger = Loggers.getLogger(Extensions.class);
 
     private final List<Extension> extensions;
 

src/main/java/io/r2dbc/postgresql/PostgresqlConnection.java

@@ -30,14 +30,14 @@
 import io.r2dbc.spi.ValidationDepth;
 import org.reactivestreams.Publisher;
 import org.reactivestreams.Subscription;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import reactor.core.CoreSubscriber;
 import reactor.core.Disposable;
 import reactor.core.publisher.DirectProcessor;
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.FluxSink;
 import reactor.core.publisher.Mono;
+import reactor.util.Logger;
+import reactor.util.Loggers;
 import reactor.util.annotation.Nullable;
 
 import java.util.concurrent.atomic.AtomicReference;
@@ -51,7 +51,7 @@
  */
 final class PostgresqlConnection implements io.r2dbc.postgresql.api.PostgresqlConnection {
 
-    private final Logger logger = LoggerFactory.getLogger(this.getClass());
+    private final Logger logger = Loggers.getLogger(this.getClass());
 
     private final Client client;
 

src/main/java/io/r2dbc/postgresql/client/DefaultHostnameVerifier.java

@@ -16,8 +16,8 @@
 
 package io.r2dbc.postgresql.client;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import reactor.util.Logger;
+import reactor.util.Loggers;
 import reactor.util.annotation.Nullable;
 
 import javax.naming.InvalidNameException;
@@ -94,7 +94,7 @@ private int countChars(String value, char ch) {
         }
     };
 
-    private final Logger logger = LoggerFactory.getLogger(this.getClass());
+    private final Logger logger = Loggers.getLogger(this.getClass());
 
     @Override
     public boolean verify(String hostname, SSLSession session) {

src/main/java/io/r2dbc/postgresql/client/ReactorNettyClient.java

@@ -41,8 +41,6 @@
 import io.r2dbc.postgresql.util.Assert;
 import io.r2dbc.spi.R2dbcNonTransientResourceException;
 import org.reactivestreams.Publisher;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import reactor.core.Disposable;
 import reactor.core.publisher.DirectProcessor;
 import reactor.core.publisher.EmitterProcessor;
@@ -56,6 +54,8 @@
 import reactor.netty.resources.LoopResources;
 import reactor.netty.tcp.TcpClient;
 import reactor.netty.tcp.TcpResources;
+import reactor.util.Logger;
+import reactor.util.Loggers;
 import reactor.util.annotation.Nullable;
 import reactor.util.concurrent.Queues;
 
@@ -83,7 +83,7 @@
  */
 public final class ReactorNettyClient implements Client {
 
-    private static final Logger logger = LoggerFactory.getLogger(ReactorNettyClient.class);
+    private static final Logger logger = Loggers.getLogger(ReactorNettyClient.class);
 
     private static final boolean DEBUG_ENABLED = logger.isDebugEnabled();