BookDemo.java

package test.utils.json;

import java.lang.reflect.Field;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;

import com.firefly.utils.json.Json;
import com.firefly.utils.json.JsonObject;

public class BookDemo {
	public static void main1(String[] args) throws Throwable {
		Field field = Book.class.getField("simpleObjs");
		Type type = field.getGenericType();
		System.out.println(field);
		System.out.println(type);
		System.out.println(type instanceof ParameterizedType);
	}
	
	public static void main2(String[] args) {
		Book book = new Book();
		book.setPrice(10.0);
		book.setId(331);
		book.setText("very good");
		book.setSell(true);
		book.setTitle("gook book");
		book.publishingId = 44342;
		book.author = "Gould";
		String str = Json.toJson(book);
		System.out.println(str);
		
		Book book2 = Json.toObject(str, Book.class);
		System.out.println(book2.getId());
		System.out.println(book2.getPrice());
		System.out.println(book2.publishingId);
		System.out.println(book2.author);
		
	}
	
	public static void main(String[] args) throws Throwable {
		Book book = new Book();
		book.setPrice(10.0);
		book.setId(331);
		book.setText("very good");
		book.setSell(true);
		book.setTitle("gook book");
		System.out.println(Json.toJson(book));
		
		TestBook t = new TestBook();
		t.setObj(new Object());
		t.setBook(book);
		String t0 = Json.toJson(t);
		System.out.println("t0: " + t0);
		JsonObject o = Json.toJsonObject(t0);
		JsonObject obj1 = o.getJsonObject("obj");
		System.out.println(obj1 == null);
		System.out.println(obj1);
		
		t = new TestBook();
		t.setObj(book);
		t.setBook(book);
		System.out.println("t1: " + Json.toJson(t));
		t.setObj(new Object());
		System.out.println("t2: " + Json.toJson(t));
		t.setObj(book);
		System.out.println("t3: " + Json.toJson(t));

		TestBook2<Book> t2 = new TestBook2<Book>();
		t2.setObj(book);
		t2.setBook(null);
		System.out.println("t4: " + Json.toJson(t2));
		t2.setObj(book);
		System.out.println("t5: " + Json.toJson(t2));
		
		TestBook2<Object> t3 = new TestBook2<Object>();
		t3.setObj(book);
		t3.setBook(book);
		System.out.println(Json.toJson(t3));
		
//		Field field = TestBook2.class.getDeclaredField("obj");
//		System.out.println(field.getName());
//		System.out.println(field.getType());
	}
	
	public static class TestBook {
		private Object obj;
		private Book book;

		public Object getObj() {
			return obj;
		}

		public void setObj(Object obj) {
			this.obj = obj;
		}

		public Book getBook() {
			return book;
		}

		public void setBook(Book book) {
			this.book = book;
		}
	}

	public static class TestBook2<T> {
		private T obj;
		private Book book;

		public T getObj() {
			return obj;
		}

		public void setObj(T obj) {
			this.obj = obj;
		}

		public Book getBook() {
			return book;
		}

		public void setBook(Book book) {
			this.book = book;
		}

	}
}