using slf4j + logback for logging

3 files changed, 29 insertions, 5 deletions

diff --git a/juick-core/build.gradle b/juick-core/build.gradle
index 0008642e..30802dad 100644
--- a/juick-core/build.gradle
+++ b/juick-core/build.gradle
@@ -5,13 +5,24 @@ repositories {
     mavenCentral()
 }
 
+def jacksonVersion = '2.8.4'
+def logbackVersion = '1.1.7'
+def slf4jVersion = '1.7.21'
+
 dependencies {
     compile project(':deps:com.juick.xmpp')
-    def jacksonVersion = '2.8.4'
+
     compile "com.fasterxml.jackson.core:jackson-core:${jacksonVersion}"
     compile "com.fasterxml.jackson.core:jackson-databind:${jacksonVersion}"
     compile "com.fasterxml.jackson.core:jackson-annotations:${jacksonVersion}"
     compile "com.fasterxml.jackson.datatype:jackson-datatype-jdk8:${jacksonVersion}"
+    compile "ch.qos.logback:logback-classic:${logbackVersion}"
+    compile "ch.qos.logback:logback-core:${logbackVersion}"
+    compile "ch.qos.logback:logback-access:${logbackVersion}"
+    compile "org.slf4j:slf4j-api:${slf4jVersion}"
+    compile "org.slf4j:jcl-over-slf4j:${slf4jVersion}"
+    compile "org.slf4j:log4j-over-slf4j:${slf4jVersion}"
+    compile "org.slf4j:jul-to-slf4j:${slf4jVersion}"
     compile 'org.apache.httpcomponents:httpclient:4.5.2'
     compile 'org.apache.commons:commons-lang3:3.5'
     compile "org.springframework:spring-jdbc:4.3.4.RELEASE"
diff --git a/juick-core/src/main/java/com/juick/json/MessageSerializer.java b/juick-core/src/main/java/com/juick/json/MessageSerializer.java
index 9da828c9..3ef903f0 100644
--- a/juick-core/src/main/java/com/juick/json/MessageSerializer.java
+++ b/juick-core/src/main/java/com/juick/json/MessageSerializer.java
@@ -22,12 +22,12 @@ import com.juick.Tag;
 import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.TimeZone;
-import java.util.logging.Level;
-import java.util.logging.Logger;
 import java.util.stream.Collectors;
 
 /**
@@ -36,7 +36,7 @@ import java.util.stream.Collectors;
  */
 public class MessageSerializer extends JSONSerializer<Message> {
 
-    private final static Logger LOGGER = Logger.getLogger(MessageSerializer.class.getName());
+    private final static Logger LOGGER = LoggerFactory.getLogger(MessageSerializer.class);
     
     UserSerializer userSerializer = new UserSerializer();
     PlaceSerializer placeSerializer = new PlaceSerializer();
@@ -133,7 +133,7 @@ public class MessageSerializer extends JSONSerializer<Message> {
                 json.put("photo", photo);
             }
         } catch (JSONException e) {
-            LOGGER.log(Level.SEVERE, "JSON Exception", e);
+            LOGGER.error("JSON Exception", e);
         }
 
         return json;
diff --git a/juick-core/src/main/resources/logback.xml b/juick-core/src/main/resources/logback.xml
new file mode 100644
index 00000000..9e3bf16c
--- /dev/null
+++ b/juick-core/src/main/resources/logback.xml
@@ -0,0 +1,13 @@
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <!-- encoders are assigned the type
+             ch.qos.logback.classic.encoder.PatternLayoutEncoder by default -->
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
+        </encoder>
+    </appender>
+
+    <root level="info">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>
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