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1   /*
2    *
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *     http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing, software
14   * distributed under the License is distributed on an "AS IS" BASIS,
15   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16   * See the License for the specific language governing permissions and
17   * limitations under the License.
18   */
19  package org.apache.hadoop.hbase.util;
20  
21  import java.io.IOException;
22  import java.util.Map;
23  
24  import org.apache.hadoop.hbase.classification.InterfaceAudience;
25  import org.apache.hadoop.hbase.classification.InterfaceStability;
26  import org.codehaus.jackson.map.ObjectMapper;
27  
28  /**
29   * Utility class for converting objects to JSON
30   */
31  @InterfaceAudience.Public
32  @InterfaceStability.Evolving
33  public final class JsonMapper {
34    private JsonMapper() {
35    }
36  
37    private static final ObjectMapper MAPPER = new ObjectMapper();
38  
39    public static String writeMapAsString(Map<String, Object> map) throws IOException { 
40      return writeObjectAsString(map);
41    }
42    public static String writeObjectAsString(Object object) throws IOException { 
43      return MAPPER.writeValueAsString(object);
44    }
45  }