added read executor

server/src/main/java/com/uqac/rthoni/java_rmi/server/TestDbo.java

@@ -0,0 +1,18 @@
+package com.uqac.rthoni.java_rmi.server;
+
+/**
+ * Created by robin on 9/16/16.
+ */
+public class TestDbo {
+    private String privateString = "default_value";
+
+    public int publicInt = 42;
+
+    public String getPrivateString() {
+        return privateString;
+    }
+
+    public void setPrivateString(String privateString) {
+        this.privateString = privateString;
+    }
+}

server/src/main/java/com/uqac/rthoni/java_rmi/server/executors/ReadExecutor.java

@@ -0,0 +1,46 @@
+package com.uqac.rthoni.java_rmi.server.executors;
+
+import com.uqac.rthoni.java_rmi.common.Command;
+import com.uqac.rthoni.java_rmi.server.ServerApplication;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+
+/**
+ * Created by robin on 9/16/16.
+ */
+public class ReadExecutor extends AbstractCommandExecutor {
+    @Override
+    public String getCommandName() {
+        return "lecture";
+    }
+
+    @Override
+    public String run(Command command, ServerApplication server) throws Exception {
+        String id = command.getArgument(0);
+        String fieldName = command.getArgument(1);
+        String methodName = String.format("get%s%s", fieldName.substring(0, 1).toUpperCase(), fieldName.substring(1));
+
+        Object obj = server.getObject(id);
+        Class objClass = obj.getClass();
+        Field field = objClass.getDeclaredField(fieldName);
+        Object result;
+        String stringResult;
+
+        try {
+            result = field.get(obj);
+        } catch (IllegalAccessException e) {
+            Method method = objClass.getDeclaredMethod(methodName);
+            result = method.invoke(obj);
+        }
+
+        if (result != null) {
+            stringResult = result.toString();
+        }
+        else {
+            stringResult = "NULL";
+        }
+
+        return stringResult;
+    }
+}