Fix: added basic console implementation

test/core/src/temalab/logger/ConsoleLogger.java

@@ -0,0 +1,43 @@
+package temalab.logger;
+public class ConsoleLogger extends LoggerBase{
+    static final String ANSI_RESET = "\u001B[0m";
+    static final String ANSI_RED = "\u001B[31m";
+    static final String ANSI_YELLOW = "\u001B[33m";
+    static final String ANSI_BLUE = "\u001B[34m";
+
+    public ConsoleLogger(){
+        setPrintStream(System.out);
+    }
+
+    //TODO maybe can be placed elsewhere, e.g. Base or Logger interface and then it could be overriden
+    private void printLines(String label, String message){
+        for (String line : message.split("\n")) {
+            getPrintStream().println(String.format("\t%s - %s", label, line));
+        }
+        getPrintStream().print(ANSI_RESET);
+    }
+
+    @Override
+    public void debug(String label, String message){
+        getPrintStream().println(ANSI_RESET + getInfos("DEBUG"));
+        printLines(label, message);
+    }
+
+    @Override
+    public void info(String label, String message){
+        getPrintStream().print(ANSI_BLUE + getInfos("INFO"));
+        printLines(label, message);
+    }
+
+    @Override
+    public void warning(String label, String message){
+        getPrintStream().print(ANSI_YELLOW + getInfos("WARNING"));
+        printLines(label, message);
+    }
+
+    @Override
+    public void error(String label, String message){
+        getPrintStream().print(ANSI_RED + getInfos("ERROR"));     
+        printLines(label, message);   
+    }
+}

test/core/src/temalab/logger/Log.java

@@ -1,12 +1,8 @@
 package temalab.logger;
-
-import java.io.PrintStream;
-import java.time.LocalDateTime;
-import java.time.format.DateTimeFormatter;
-
 public final class Log {
     private static Logger logger = new ConsoleLogger();
 
+
     /**
      * By default the Logger writes to the standard error stream.
      */
@@ -24,8 +20,8 @@ public void setLogger(Logger newLogger) {
         logger = newLogger;
     }
 
-    public void d(String label, String message){ logger.debug(label, message); }
-    public void i(String label, String message){ logger.info(label, message); }
-    public void w(String label, String message){ logger.warning(label, message); }
-    public void e(String label, String message){ logger.error(label, message); }
+    public static void d(String label, String message){ logger.debug(label, message); }
+    public static void i(String label, String message){ logger.info(label, message); }
+    public static void w(String label, String message){ logger.warning(label, message); }
+    public static void e(String label, String message){ logger.error(label, message); }
 }

test/core/src/temalab/logger/Logger.java

@@ -1,8 +1,4 @@
 package temalab.logger;
-
-import java.time.LocalDateTime;
-import java.time.format.DateTimeFormatter;
-
 public interface Logger {
     public void debug(String label, String message);
     public void info(String label, String message);

test/core/src/temalab/logger/LoggerBase.java

@@ -1,50 +1,56 @@
 package temalab.logger;
-
 import java.io.PrintStream;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
 
-public class LoggerBase implements Logger {
+public abstract class LoggerBase implements Logger {
     private PrintStream printStream = null;
+    protected PrintStream getPrintStream() {return printStream;}
 
     public void setPrintStream(PrintStream p){
-        printStream.close(); //TODO
+        printStream.close(); //TODO Cleaner
         printStream = p;
     }
 
-    protected void getInfos(String level, String label, String message) {
+    public LoggerBase(){
+        printStream = System.err;
+    }
+
+    protected String getInfos(String level) {
+        String res = "";
+
         String timeOfLog = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
         String header = String.format("[%s - %s]", timeOfLog, level);
-        String className = Thread.currentThread().getStackTrace()[1].getClass().getName(); //caller.getClass().getPackage().getName();
-        String function = Thread.currentThread().getStackTrace()[1].getMethodName()  + "()";
+        String className = getCallerClass();
+        String function = String.format("%s()", getCallerMethod());
 
-        this.printStream.print(String.format("%-35s\t%-10s\t%-10s", header, className, function));
-        this.printStream.println(String.format("%s - %s", label, message));
+        res += String.format("%-35s\t%-10s\t%-10s", header, className, function);
+        return res;
     }
 
-
-    @Override
-    public void debug(String label, String message) {
-        // TODO Auto-generated method stub
-        throw new UnsupportedOperationException("Unimplemented method 'debug'");
+    //TODO this should be overriden in each implementation
+    public String getCallerClass(){
+        //0 - getStackTrace()
+        //1 - getCallerClass()
+        //2 - getInfos()
+        //3 - the logger class
+        //4 - Log class
+        //5 - the actual caller
+        return Thread.currentThread().getStackTrace()[5].getClassName();
     }
 
-    @Override
-    public void info(String label, String message) {
-        // TODO Auto-generated method stub
-        throw new UnsupportedOperationException("Unimplemented method 'info'");
+    public String getCallerMethod(){
+        return Thread.currentThread().getStackTrace()[5].getMethodName();
     }
 
+    //TODO any better way to do it?
     @Override
-    public void warning(String label, String message) {
-        // TODO Auto-generated method stub
-        throw new UnsupportedOperationException("Unimplemented method 'warning'");
-    }
-
+    public void debug(String label, String message){}
     @Override
-    public void error(String label, String message) {
-        // TODO Auto-generated method stub
-        throw new UnsupportedOperationException("Unimplemented method 'error'");
-    }
+    public void info(String label, String message){}
+    @Override
+    public void warning(String label, String message){}
+    @Override
+    public void error(String label, String message){}
 
 }