bpmn/MSOCoreBPMN/src/main/java/org/openecomp/mso/bpmn/core/domain/JsonWrapper.java

   1 package org.openecomp.mso.bpmn.core.domain;\r
   2 \r
   3 import java.io.IOException;\r
   4 import java.io.Serializable;\r
   5 import java.util.List;\r
   6 \r
   7 import org.json.JSONException;\r
   8 import org.json.JSONObject;\r
   9 \r
  10 import com.fasterxml.jackson.annotation.JsonInclude;\r
  11 import com.fasterxml.jackson.annotation.JsonInclude.Include;\r
  12 import com.fasterxml.jackson.core.JsonGenerationException;\r
  13 import com.fasterxml.jackson.databind.JsonMappingException;\r
  14 import com.fasterxml.jackson.databind.ObjectMapper;\r
  15 import com.fasterxml.jackson.databind.ObjectWriter;\r
  16 import com.fasterxml.jackson.databind.SerializationFeature;\r
  17 import com.fasterxml.jackson.databind.annotation.JsonSerialize;\r
  18 \r
  19 \r
  20 //import org.codehaus.jackson.map.SerializationConfig.Feature;\r
  21 \r
  22 \r
  23 /**\r
  24  * Wrapper encapsulates needed JSON functionality \r
  25  * to be extended by MSO service decomposition objects\r
  26  * providing ways to convert to and from JSON\r
  27  *\r
  28  */\r
  29 @JsonInclude(Include.NON_NULL)\r
  30 public abstract class JsonWrapper implements Serializable  {\r
  31         \r
  32         @JsonInclude(Include.NON_NULL)\r
  33         public String toJsonString(){\r
  34                 \r
  35                 String jsonString = "";\r
  36                 //convert with Jackson\r
  37                 ObjectMapper mapper = new ObjectMapper();\r
  38                 mapper.configure(SerializationFeature.WRAP_ROOT_VALUE, true);\r
  39                 \r
  40                 mapper.setSerializationInclusion(Include.NON_NULL);\r
  41                 \r
  42                 ObjectWriter ow = mapper.writer().withDefaultPrettyPrinter();\r
  43                 try {\r
  44                         jsonString = ow.writeValueAsString(this);\r
  45 //              } catch (JsonGenerationException e) {\r
  46 //                      // TODO Auto-generated catch block\r
  47 //                      e.printStackTrace();\r
  48 //              } catch (JsonMappingException e) {\r
  49 //                      // TODO Auto-generated catch block\r
  50 //                      e.printStackTrace();\r
  51 //              } catch (IOException e) {\r
  52 //                      // TODO Auto-generated catch block\r
  53 //                      e.printStackTrace();\r
  54 //              }\r
  55                 } catch (Exception e){\r
  56 \r
  57                         e.printStackTrace();\r
  58                 }\r
  59                 return jsonString;\r
  60         }\r
  61         \r
  62         @JsonInclude(Include.NON_NULL)\r
  63         public JSONObject toJsonObject(){\r
  64 \r
  65         ObjectMapper mapper = new ObjectMapper();\r
  66        // mapper.configure(SerializationConfig.Feature.WRAP_ROOT_VALUE, true);\r
  67         //mapper.enable(SerializationFeature.WRAP_ROOT_VALUE);\r
  68 \r
  69         mapper.configure(SerializationFeature.WRAP_ROOT_VALUE, true);\r
  70        // mapper.enable(org.codehaus.jackson.map.DeserializationConfig.Feature.UNWRAP_ROOT_VALUE);\r
  71         JSONObject json = new JSONObject();\r
  72          try {\r
  73                         json = new JSONObject(mapper.writeValueAsString(this));\r
  74                 } catch (JsonGenerationException e) {\r
  75                         // TODO Auto-generated catch block\r
  76                         e.printStackTrace();\r
  77                 } catch (JsonMappingException e) {\r
  78                         // TODO Auto-generated catch block\r
  79                         e.printStackTrace();\r
  80                 } catch (JSONException e) {\r
  81                         // TODO Auto-generated catch block\r
  82                         e.printStackTrace();\r
  83                 } catch (IOException e) {\r
  84                         // TODO Auto-generated catch block\r
  85                         e.printStackTrace();\r
  86                 }\r
  87          return json; \r
  88         }\r
  89         \r
  90         public String listToJson(List list) {\r
  91         ObjectMapper mapper = new ObjectMapper();\r
  92         mapper.configure(SerializationFeature.WRAP_ROOT_VALUE, true);\r
  93         \r
  94                 String jsonString = "";\r
  95                 try {\r
  96                         jsonString = mapper.writeValueAsString(list);\r
  97                 } catch (JsonGenerationException e) {\r
  98                         // TODO Auto-generated catch block\r
  99                         e.printStackTrace();\r
 100                 } catch (JsonMappingException e) {\r
 101                         // TODO Auto-generated catch block\r
 102                         e.printStackTrace();\r
 103                 } catch (IOException e) {\r
 104                         // TODO Auto-generated catch block\r
 105                         e.printStackTrace();\r
 106                 }\r
 107                 return jsonString;\r
 108         }\r
 109         \r
 110         @JsonInclude(Include.NON_NULL)\r
 111         public String toJsonStringNoRootName(){\r
 112                 \r
 113                 String jsonString = "";\r
 114                 //convert with Jackson\r
 115                 ObjectMapper mapper = new ObjectMapper();\r
 116                 mapper.setSerializationInclusion(Include.NON_NULL);\r
 117                 \r
 118                 ObjectWriter ow = mapper.writer().withDefaultPrettyPrinter();\r
 119                 try {\r
 120                         jsonString = ow.writeValueAsString(this);\r
 121                 } catch (Exception e){\r
 122 \r
 123                         e.printStackTrace();\r
 124                 }\r
 125                 return jsonString;\r
 126         }\r
 127         \r
 128         /**\r
 129          * Returns a string representation of this object.\r
 130          */\r
 131         public String toString() {\r
 132                 return this.toJsonString();\r
 133         }\r
 134 }\r