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fix #212 optimize objectmapper usage #213

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fix #212 optimize objectmapper usage #213

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105 changes: 51 additions & 54 deletions ...ava-devkit/src/main/java/com/intuit/ipp/serialization/AttachableResponseDeserializer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -15,77 +15,74 @@
*******************************************************************************/
package com.intuit.ipp.serialization;

import java.io.IOException;
import java.util.Iterator;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.AnnotationIntrospector;
import com.fasterxml.jackson.databind.DeserializationConfig;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.*;
import com.fasterxml.jackson.databind.introspect.AnnotationIntrospectorPair;
import com.fasterxml.jackson.databind.introspect.JacksonAnnotationIntrospector;
//import com.fasterxml.jackson.module.jaxb.JaxbAnnotationIntrospector;
import com.fasterxml.jackson.module.jakarta.xmlbind.JakartaXmlBindAnnotationIntrospector;
import com.fasterxml.jackson.databind.introspect.AnnotationIntrospectorPair;
import com.fasterxml.jackson.databind.DeserializationFeature;

import com.intuit.ipp.data.Attachable;
import com.intuit.ipp.data.AttachableResponse;
import com.intuit.ipp.data.Fault;
import java.io.IOException;
import java.util.Iterator;

/**
* Custom deserializer class to handle AttachableResponse while unmarshall
*
*/
public class AttachableResponseDeserializer extends JsonDeserializer<AttachableResponse> {

/**
* variable FAULT
*/
private static final String FAULT = "Fault";

/**
* variable ATTACHABLE
*/
private static final String ATTACHABLE = "Attachable";

/**
* {@inheritDoc}}
*/
@SuppressWarnings("deprecation")
@Override
public AttachableResponse deserialize(JsonParser jp, DeserializationContext desContext) throws IOException {
ObjectMapper mapper = new ObjectMapper();
/**
* variable FAULT
*/
private static final String FAULT = "Fault";

//Make the mapper JAXB annotations aware
AnnotationIntrospector primary = new JakartaXmlBindAnnotationIntrospector();
AnnotationIntrospector secondary = new JacksonAnnotationIntrospector();
AnnotationIntrospector pair = new AnnotationIntrospectorPair(primary, secondary);
mapper.setAnnotationIntrospector(pair);
mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
/**
* variable ATTACHABLE
*/
private static final String ATTACHABLE = "Attachable";
private static final ObjectMapper deserializeMapper = getDeserializeMapper();

//Read the QueryResponse as a tree
JsonNode jn = jp.readValueAsTree();
/**
* {@inheritDoc}}
*/
@SuppressWarnings("deprecation")
@Override
public AttachableResponse deserialize(JsonParser jp, DeserializationContext desContext) throws IOException {
//Read the QueryResponse as a tree
JsonNode jn = jp.readValueAsTree();

//Create the QueryResponse to be returned
AttachableResponse qr = new AttachableResponse();
//Create the QueryResponse to be returned
AttachableResponse qr = new AttachableResponse();

//Iterate over the field names
Iterator<String> ite = jn.fieldNames();
//Iterate over the field names
Iterator<String> ite = jn.fieldNames();

while (ite.hasNext()) {
String key = ite.next();
while (ite.hasNext()) {
String key = ite.next();

//Attributes
if (key.equalsIgnoreCase(FAULT)) {
qr.setFault(mapper.treeToValue(jn.get(FAULT), Fault.class));
} else if (key.equalsIgnoreCase(ATTACHABLE)) {
qr.setAttachable(mapper.treeToValue(jn.get(ATTACHABLE), Attachable.class));
}
}
return qr;
}
//Attributes
if (key.equalsIgnoreCase(FAULT)) {
qr.setFault(deserializeMapper.treeToValue(jn.get(FAULT), Fault.class));
} else if (key.equalsIgnoreCase(ATTACHABLE)) {
qr.setAttachable(deserializeMapper.treeToValue(jn.get(ATTACHABLE), Attachable.class));
}
}
return qr;
}

/**
* Deserialize mapper for {@link #deserialize(JsonParser, DeserializationContext)}}
*
* @return ObjectMapper
*/
private static ObjectMapper getDeserializeMapper() {
ObjectMapper mapper = new ObjectMapper();
//Make the mapper JAXB annotations aware
AnnotationIntrospector primary = new JakartaXmlBindAnnotationIntrospector();
AnnotationIntrospector secondary = new JacksonAnnotationIntrospector();
AnnotationIntrospector pair = new AnnotationIntrospectorPair(primary, secondary);
mapper.setAnnotationIntrospector(pair);
mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
return mapper;
}
}
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