Fix basic logging

Author: fhanik

samples/service-provider/starter/build.gradle

@@ -53,7 +53,6 @@ dependencies {
 	compile "org.bouncycastle:bcpkix-jdk15on:$bcprovVersion"
 	compile "joda-time:joda-time:$jodaTimeVersion"
 	compile "org.apache.httpcomponents:httpclient:$httpClientVersion"
-	compile "org.slf4j:slf4j-api:$slf4jVersion"
 	compile "commons-logging:commons-logging:$commonsLoggingVersion"
 
 	//---Spring Security Servlet --
@@ -69,12 +68,13 @@ dependencies {
 	}
 	compile "org.thymeleaf.extras:thymeleaf-extras-springsecurity5:$thymeleafExtrasSpringSecurityVersion"
 
+	//---Logging --
+	compile "org.slf4j:slf4j-log4j12:$slf4jVersion"
 
 
 	testCompile ("org.springframework:spring-test:$springVersion") {
 		exclude group: "commons-logging", module: "commons-logging"
 	}
-	testCompile "org.slf4j:slf4j-log4j12:$slf4jVersion"
 	testCompile "commons-logging:commons-logging:$commonsLoggingVersion"
 	testCompile ("org.springframework:spring-test:$springVersion") {
 		exclude group: "commons-logging", module: "commons-logging"
@@ -91,4 +91,4 @@ dependencies {
 	checkstyle("io.spring.javaformat:spring-javaformat-checkstyle:0.0.12")
 
 
-}
+}

samples/service-provider/starter/src/main/java/sample/Saml2ServiceProviderStarterApplication.java

@@ -21,13 +21,19 @@
 import org.springframework.context.annotation.Import;
 
 import boot.saml2.config.Saml2SampleBootConfiguration;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
 
 @SpringBootApplication
 @Import({ Saml2SampleBootConfiguration.class })
 public class Saml2ServiceProviderStarterApplication {
 
 	public static void main(String[] args) {
-		SpringApplication.run(Saml2ServiceProviderStarterApplication.class, args);
+		Log log = LogFactory.getLog(Saml2ServiceProviderStarterApplication.class);
+		log.info("Starting SAML 2 Sample Application");
+		SpringApplication.run(
+			Saml2ServiceProviderStarterApplication.class, args
+		);
 	}
 
 }

samples/service-provider/starter/src/main/resources/log4j.properties

@@ -0,0 +1,22 @@
+#
+# Copyright 2002-2019 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+#
+
+log4j.rootLogger=INFO, consoleAppender
+
+log4j.appender.consoleAppender=org.apache.log4j.ConsoleAppender
+log4j.appender.consoleAppender.layout=org.apache.log4j.PatternLayout
+log4j.appender.consoleAppender.layout.ConversionPattern=[%t] %-5p %c %x - %m%n