Replacing legacy logging by a SLF4J implementation

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Change Log for javapos-config-loader
 
+## 5.0.0
+
+- replaced legacy logging implementation by the logging facade SLF4J version 1, see https://www.slf4j.org/ for details on how to integrate
+
 ## 4.0.2
 
 - fixed resource loading from JAR file on the class-path (contributed by @art-and-co through [PR #13](https://github.com/JavaPOSWorkingGroup/javapos-config-loader/issues/13))

build.gradle

@@ -11,13 +11,13 @@ plugins {
 	id 'signing'
 	id 'eclipse'
 	id 'maven-publish'
-	id("io.github.gradle-nexus.publish-plugin") version "1.3.0"
+	id("io.github.gradle-nexus.publish-plugin") version "2.0.0"
 	id 'project-report'
 }
 
 
 wrapper {
-	gradleVersion = '8.12.1'
+	gradleVersion = '8.14.3'
 }
 
 
@@ -26,8 +26,8 @@ wrapper {
 ///////////////////////////////////////////////////////////////////////////////
 
 def artifactName = 'javapos-config-loader'
-group='org.javapos'
-version='4.0.2' // if version is going to be changed, first add "-SNAPSHOT" to test publishing to MavenCentral's Snapshot repo
+group = 'org.javapos'
+version = '5.0.0-SNAPSHOT' // if version is going to be changed, first add "-SNAPSHOT" to test publishing to MavenCentral's Snapshot repo
 
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -42,7 +42,7 @@ repositories {
     {
    		logger.warn("WARN: Seems not to be a release, so Maven Central SNAPSHOT repository is fetched!");
 	    maven {
-	        url 'https://oss.sonatype.org/content/repositories/snapshots'
+	        url = 'https://oss.sonatype.org/content/repositories/snapshots'
 	    }
     }
 
@@ -65,9 +65,11 @@ def testResourceDir = file("${System.properties['java.io.tmpdir']}/javapos-confi
 
 dependencies {
 	api 'org.javapos:javapos-contracts:1.6.0'
+	implementation 'org.slf4j:slf4j-api:1.7.36' 
 
 	testImplementation("junit:junit:4.13.2")
 
+	testRuntimeOnly 'org.slf4j:slf4j-simple:1.7.36'
 	testRuntimeOnly files(testResourceDir)
 }
 
@@ -140,7 +142,10 @@ test.dependsOn prepareTestConfiguration
 
 nexusPublishing {
     repositories {
-        sonatype()
+        sonatype {
+            nexusUrl.set(uri("https://ossrh-staging-api.central.sonatype.com/service/local/"))
+            snapshotRepositoryUrl.set(uri("https://central.sonatype.com/repository/maven-snapshots/"))
+        }
     }
 }
 

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.12.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

settings.gradle

@@ -1,6 +1,6 @@
 // for enabling Gradle scan at GitHub Actions
 plugins {
-    id("com.gradle.enterprise") version("3.15")
+    id("com.gradle.develocity") version "4.3"
 }
 
 rootProject.name = 'javapos-config-loader'
@@ -25,13 +25,11 @@ def includeBuildProject(projectName) {
 }
 
 // enabling Gradle scan by agreeing to term of service
-gradleEnterprise {
-    if (System.getenv("CI") != null) {
-        buildScan {
-            publishAlways()
-            termsOfServiceUrl = "https://gradle.com/terms-of-service"
-            termsOfServiceAgree = "yes"
-        }
+
+develocity {
+    buildScan {
+        publishing.onlyIf { System.getenv("CI") != null }
+        termsOfUseUrl = "https://gradle.com/terms-of-service"
+        termsOfUseAgree = "yes"
     }
 }
-

src/main/java/jpos/config/DefaultCompositeRegPopulator.java

@@ -24,8 +24,8 @@
 
 import jpos.loader.*;
 import jpos.util.*;
-import jpos.util.tracing.Tracer;
-import jpos.util.tracing.TracerFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Default implementation of the CompositeRegPopulator interface
@@ -34,6 +34,8 @@
  */
 public class DefaultCompositeRegPopulator implements CompositeRegPopulator
 {
+	private static final Logger log = LoggerFactory.getLogger(DefaultCompositeRegPopulator.class);
+
     //-------------------------------------------------------------------------
     // Ctor(s)
     //
@@ -91,27 +93,23 @@ private JposRegPopulator createPopulator( String popName, String className )
 		}
 		catch( ClassNotFoundException cnfe )
 		{ 
-			tracer.println( "Could not find populator class with name: " + 
-										  className + " exception message = " + 
-										  cnfe.getMessage() );
+			log.error( "Could not find populator class with name: {} exception message = {}", 
+					className, cnfe.getMessage() );
 		}
 		catch( NoSuchMethodException nsme )
 		{
-			tracer.println( "Populator by class name: " + 
-			                className +
-							" must define a no-arg ctor or a 1-arg ctor with String param as the unique ID" );
+			log.error( "Populator by class name: {} must define a no-arg ctor or a 1-arg ctor with String param as the unique ID", 
+					className );
 		}
 		catch( InstantiationException ie )
 		{
-			tracer.println( "Could not instantiate populator class with name: " + 
-						    className + " exception message = " + 
-							ie.getMessage() );
+			log.error( "Could not instantiate populator class with name: {} exception message = {}", 
+					className, ie.getMessage() );
 		}
 		catch( Exception e )
 		{
-			tracer.println( "Could not instantiate populator class with name: " + 
-							className + " exception message = " + 
-							e.getMessage() );
+			log.error( "Could not instantiate populator class with name: {} exception message = {}", 
+					className, e.getMessage() );
 		}
 
 		return populator;
@@ -187,9 +185,7 @@ public void save( @SuppressWarnings("rawtypes") Enumeration entries ) throws Exc
 				List<JposEntry> entryList = popEntriesMap.get( populator.getUniqueId() );
 
 				if( entryList == null )
-					tracer.println( "Trying to save entry with logicalName = " +
-							        entry.getLogicalName() + 
-							        " and populator with" );
+					log.debug( "Trying to save entry with logicalName = {} and populator with entry list null", entry.getLogicalName() );
 				else
 					entryList.add( entry );
 			}
@@ -214,8 +210,7 @@ public void save( @SuppressWarnings("rawtypes") Enumeration entries ) throws Exc
 			catch( Exception e )
 			{
 				exception = e;
-				tracer.println( "Error while saving to populator with unique ID:" +
-							    populator.getUniqueId() );
+				log.error( "Error while saving to populator with unique ID: {}", populator.getUniqueId() );
 			}
 		}
 
@@ -254,7 +249,7 @@ public void load()
 
 		if( populatorClassMultiProp == null || populatorClassMultiProp.getNumberOfProperties() == 0 )
 		{
-			tracer.println( "CompositeRegPopulator.load() w/o any defined multi-property" );
+			log.error( "CompositeRegPopulator.load() w/o any defined multi-property" );
 			throw new IllegalArgumentException( "CompositeRegPopulator.load() w/o any defined multi-property" );
 		}
 
@@ -281,8 +276,7 @@ public void load()
 				}
 				else
 				{
-					tracer.println( "Created default populator with name = " + defaultPopName + 
-												  " OK but populator file is null" );
+					log.debug( "Created default populator with name = {} OK but populator file is null", defaultPopName );
 					defaultPopulator.load();
 					lastLoadException = defaultPopulator.getLastLoadException();
 				}
@@ -296,8 +290,7 @@ public void load()
 			setDefaultPopulator( defaultPopulator );
 		}
 		else
-			tracer.println( "Did not add default populator by <name, className>: " +
-										  "<" + defaultPopName + ", " + defaultPopClass + ">" );
+			log.debug( "Did not add default populator by <name, className>: <{}, {}>", defaultPopName, defaultPopClass);
 		while( popClasses.hasNext() )
 		{
 			String popName = popClasses.next();
@@ -316,17 +309,15 @@ public void load()
 				}
 				else
 				{
-					tracer.println( "Created populator with name = " + popName + 
-												  " OK but populator file is null" );
+					log.debug( "Created populator with name = {} OK but populator file is null", popName );
 					populator.load();
 					lastLoadException = populator.getLastLoadException();
 				}
 
                 add( populator );
 			}
 			else
-				tracer.println( "Did not add populator by <name, className>: " +
-											  "<" + popName + ", " + popClass + ">" );
+				log.debug( "Did not add populator by <name, className>: <{}, {}>", popName, popClass );
 		}
 	}
 
@@ -432,7 +423,4 @@ public JposRegPopulator getPopulator( String uniqueId )
 	private HashMap<String, String> popFileMap = new HashMap<>();
 	private JposRegPopulator defaultPop = null;
 	private Exception lastLoadException = null;
-
-	private Tracer tracer = TracerFactory.getInstance().
-							 createTracer( "DefaultCompositeRegPopulator" );
 }