content: package com.alibaba.json.bvt.serializer.filters;
  
  import org.junit.Assert;
  
  import com.alibaba.fastjson.JSON;
  import com.alibaba.fastjson.serializer.SerializeConfig;
  import com.alibaba.fastjson.serializer.SimplePropertyPreFilter;
  
  import junit.framework.TestCase;
  
  public class PropertyPreFilterClassLevelTest extends TestCase {
      public void test_0() throws Exception {
          Object[] array = {new ModelA(), new ModelB() };
          
          SerializeConfig config = new SerializeConfig();
          config.addFilter(ModelA.class, // 
                           new SimplePropertyPreFilter("name"));
          config.addFilter(ModelB.class, // 
                           new SimplePropertyPreFilter("id"));
          String text2 = JSON.toJSONString(array, config);
          Assert.assertEquals("[{},{\"id\":1002}]", text2);
          
          String text = JSON.toJSONString(array);
          Assert.assertEquals("[{\"id\":1001},{\"id\":1002}]", text);
  
          
      }
      
      public static class ModelA {
          public int id = 1001;
      }
      
      public static class ModelB {
          public int id = 1002;
      }
  }
  