Issue1151.java

package com.alibaba.json.bvt.issue_1100;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.serializer.SerializerFeature;
import junit.framework.TestCase;

import java.util.ArrayList;
import java.util.List;

/**
 * Created by wenshao on 19/04/2017.
 */
public class Issue1151 extends TestCase {
    public void test_for_issue() throws Exception {
        A a = new A();
        a.list.add(new C(1001));
        a.list.add(new C(1002));

        String json = JSON.toJSONString(a, SerializerFeature.NotWriteRootClassName, SerializerFeature.WriteClassName);
        assertEquals("{\"list\":[{\"@type\":\"com.alibaba.json.bvt.issue_1100.Issue1151$C\",\"id\":1001},{\"@type\":\"com.alibaba.json.bvt.issue_1100.Issue1151$C\",\"id\":1002}]}", json);

        A a2 = JSON.parseObject(json, A.class);
        assertSame(a2.list.get(0).getClass(), C.class);
    }

    public static class A {
        public List<B> list = new ArrayList<B>();
    }

    public static  interface B {

    }

    public static  class C implements B {
        public int id;
        public C() {

        }

        public C(int id) {
            this.id = id;
        }
    }
}