Create JSONObject by annotations

src/opensesim/gui/util/Json.java

@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2018, 7u83 <7u83@mail.ru>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this
+ *   list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+package opensesim.gui.util;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+import java.lang.reflect.Field;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import javax.swing.JTextField;
+import org.json.JSONObject;
+
+/**
+ *
+ * @author 7u83 <7u83@mail.ru>
+ */
+public class Json {
+
+    @Retention(RetentionPolicy.RUNTIME)
+    @Target({ElementType.FIELD, ElementType.METHOD})
+    public static @interface Export {
+
+        public String value() default "";
+    }
+
+    @Retention(RetentionPolicy.RUNTIME)
+    @Target({ElementType.FIELD, ElementType.METHOD})
+    public static @interface Import {
+
+        public String value() default "";
+    }
+    
+    
+    
+    public static JSONObject get(Object o) {
+        Field[] fields = o.getClass().getFields();
+        JSONObject jo = new JSONObject();
+        
+        for (Field f : fields) {
+
+            System.out.printf("CHECKFIELD %s\n", f.getName());
+            Export ex = f.getAnnotation(Export.class);
+            if (ex == null) {
+                continue;
+            }
+            
+            Class cls = f.getType();
+            if (JTextField.class.isAssignableFrom(cls)){
+                try {
+                    JTextField tf = (JTextField) f.get(o);
+                    jo.put(f.getName(), tf.getText());
+                } catch (IllegalArgumentException | IllegalAccessException ex1) {
+                    Logger.getLogger(Json.class.getName()).log(Level.SEVERE, null, ex1);
+                }
+            }
+            
+            System.out.printf("EX: %s\n", ex.getClass().getName());
+
+        }
+
+        return jo;
+    }
+}