1 files changed, 116 insertions, 0 deletions
diff --git a/dicore3/core/src/main/java/io/dico/dicore/Logging.java b/dicore3/core/src/main/java/io/dico/dicore/Logging.java
new file mode 100644
index 0000000..fa2a676
--- /dev/null
+++ b/dicore3/core/src/main/java/io/dico/dicore/Logging.java
@@ -0,0 +1,116 @@
+package io.dico.dicore;
+
+import java.util.logging.Logger;
+
+public interface Logging {
+    
+    void info(Object o);
+    
+    void warn(Object o);
+    
+    void error(Object o);
+    
+    void debug(Object o);
+    
+    void setDebugging(boolean debugging);
+    
+    boolean isDebugging();
+    
+    class RootLogging implements Logging {
+        private final String prefix;
+        private final Logger root;
+        private boolean debugging;
+        
+        public RootLogging(String prefix, Logger root, boolean debugging) {
+            this.root = root;
+            this.prefix = prefix;
+            this.debugging = debugging;
+        }
+        
+        @Override
+        public void info(Object o) {
+            root.info(prefix(o));
+        }
+        
+        @Override
+        public void warn(Object o) {
+            root.warning(prefix(o));
+        }
+        
+        @Override
+        public void error(Object o) {
+            root.severe(prefix(o));
+        }
+        
+        @Override
+        public void debug(Object o) {
+            if (debugging) {
+                root.info(String.format("[DEBUG] %s", prefix(o)));
+            }
+        }
+        
+        @Override
+        public boolean isDebugging() {
+            return debugging;
+        }
+        
+        @Override
+        public void setDebugging(boolean debugging) {
+            this.debugging = debugging;
+        }
+        
+        private String prefix(Object o) {
+            return String.format("[%s] %s", prefix, String.valueOf(o));
+        }
+    }
+    
+    class SubLogging implements Logging {
+        protected String prefix;
+        private final Logging superLogger;
+        private boolean debugging;
+        
+        public SubLogging(String prefix, Logging superLogger, boolean debugging) {
+            this.superLogger = superLogger;
+            this.prefix = prefix;
+            this.debugging = debugging;
+        }
+        
+        @Override
+        public void info(Object o) {
+            superLogger.info(prefix(o));
+        }
+        
+        @Override
+        public void warn(Object o) {
+            superLogger.warn(prefix(o));
+        }
+        
+        @Override
+        public void error(Object o) {
+            superLogger.error(prefix(o));
+        }
+        
+        @Override
+        public void debug(Object o) {
+            if (debugging) {
+                superLogger.info(String.format("[DEBUG] %s", prefix(o)));
+            }
+        }
+        
+        @Override
+        public boolean isDebugging() {
+            return debugging;
+        }
+        
+        @Override
+        public void setDebugging(boolean debugging) {
+            this.debugging = debugging;
+        }
+        
+        private String prefix(Object o) {
+            return String.format("[%s] %s", prefix, String.valueOf(o));
+        }
+        
+    }
+    
+}