content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package com.alibaba.metrics.rest;
  
  import com.alibaba.fastjson.JSON;
  import com.alibaba.fastjson.JSONObject;
  import com.alibaba.fastjson.serializer.PropertyFilter;
  import com.alibaba.metrics.MetricLevel;
  import com.alibaba.metrics.common.MetricObject;
  import org.junit.Assert;
  import org.junit.Test;
  
  public class MetricObjectSerializationTest {
  
      @Test
      public void testPartiallySerialize() {
          PropertyFilter filter = new PropertyFilter() {
  
              public boolean apply(Object source, String name, Object value) {
                  boolean ignore = "value".equals(name) || "timestamp".equals(name);
                  return !ignore;
              }
          };
  
          MetricObject obj = MetricObject.named("test").withLevel(MetricLevel.CRITICAL)
                  .withType(MetricObject.MetricType.GAUGE).build();
          String json = JSON.toJSONString(obj, filter); // 序列化的时候传入filter
          JSONObject des = JSON.parseObject(json);
          Assert.assertTrue(des.containsKey("metric"));
          Assert.assertEquals("test", des.getString("metric"));
          Assert.assertTrue(des.containsKey("metricLevel"));
          Assert.assertEquals("CRITICAL", des.getString("metricLevel"));
          Assert.assertTrue(des.containsKey("metricType"));
          Assert.assertEquals("GAUGE", des.getString("metricType"));
      }
  }
  