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package org.openecomp.mso.bpmn.core.decomposition;
import java.io.IOException;
import java.util.List;
import org.codehaus.jackson.JsonGenerationException;
import org.codehaus.jackson.JsonParseException;
import org.codehaus.jackson.map.JsonMappingException;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.map.ObjectWriter;
import org.json.JSONException;
import org.json.JSONObject;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.annotation.JsonInclude.Include;
import com.fasterxml.jackson.databind.DeserializationFeature;
//import org.codehaus.jackson.map.SerializationConfig.Feature;
import org.codehaus.jackson.map.DeserializationConfig.Feature;
import org.codehaus.jackson.map.annotate.JsonSerialize;
/**
* Wrapper encapsulates needed JSON functionality
* to be extended by MSO service decomposition objects
* providing ways to convert to and from JSON
*
* @author
*
*/
@JsonInclude(Include.NON_NULL)
public abstract class JsonWrapper {
@JsonInclude(Include.NON_NULL)
public String toJsonString(){
String jsonString = "";
//convert with Jackson
ObjectMapper mapper = new ObjectMapper();
mapper.enable(org.codehaus.jackson.map.SerializationConfig.Feature.WRAP_ROOT_VALUE);
mapper.setSerializationInclusion(JsonSerialize.Inclusion.NON_NULL);
ObjectWriter ow = mapper.writer().withDefaultPrettyPrinter();
try {
jsonString = ow.writeValueAsString(this);
} catch (JsonGenerationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (JsonMappingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return jsonString;
}
@JsonInclude(Include.NON_NULL)
public JSONObject toJsonObject(){
ObjectMapper mapper = new ObjectMapper();
// mapper.configure(SerializationConfig.Feature.WRAP_ROOT_VALUE, true);
//mapper.enable(SerializationFeature.WRAP_ROOT_VALUE);
mapper.enable(org.codehaus.jackson.map.SerializationConfig.Feature.WRAP_ROOT_VALUE);
// mapper.enable(org.codehaus.jackson.map.DeserializationConfig.Feature.UNWRAP_ROOT_VALUE);
JSONObject json = new JSONObject();
try {
json = new JSONObject(mapper.writeValueAsString(this));
} catch (JsonGenerationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (JsonMappingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return json;
}
public String listToJson(List list) {
ObjectMapper mapper = new ObjectMapper();
mapper.enable(org.codehaus.jackson.map.SerializationConfig.Feature.WRAP_ROOT_VALUE);
String jsonString = "";
try {
jsonString = mapper.writeValueAsString(list);
} catch (JsonGenerationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (JsonMappingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return jsonString;
}
/**
* Method to construct Service Decomposition object converting
* JSON structure
*
* @param jsonString - input in JSON format confirming ServiceDecomposition
* @return - ServiceDecomposition object
*/
public ServiceDecomposition JsonToServiceDecomposition(String jsonString) {
ServiceDecomposition serviceDecomposition = new ServiceDecomposition();
ObjectMapper om = new ObjectMapper();
om.configure(Feature.UNWRAP_ROOT_VALUE, true);
try {
serviceDecomposition = om.readValue(jsonString, ServiceDecomposition.class);
} catch (JsonParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (JsonMappingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return serviceDecomposition;
}
}
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