/**
*
*/
package org.ovirt.engine.core.utils.serialization.json;
import java.io.IOException;
import java.io.Serializable;
import org.apache.commons.lang.SerializationException;
import org.codehaus.jackson.JsonGenerationException;
import org.codehaus.jackson.map.JsonMappingException;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.map.SerializationConfig.Feature;
import org.ovirt.engine.core.common.action.VdcActionParametersBase;
import org.ovirt.engine.core.common.businessentities.IVdcQueryable;
import org.ovirt.engine.core.common.businessentities.VM;
import org.ovirt.engine.core.compat.Guid;
import org.ovirt.engine.core.compat.NGuid;
import org.ovirt.engine.core.utils.SerializationExeption;
import org.ovirt.engine.core.utils.Serializer;
/**
* {@link Serializer} implementation for deserializing JSON content.
*/
public class JsonObjectSerializer implements Serializer {
@Override
public String serialize(Serializable payload) throws SerializationExeption {
ObjectMapper mapper = new ObjectMapper();
mapper.getSerializationConfig().addMixInAnnotations(NGuid.class, JsonNGuidMixIn.class);
mapper.getSerializationConfig().addMixInAnnotations(Guid.class, JsonNGuidMixIn.class);
mapper.getSerializationConfig().addMixInAnnotations(VdcActionParametersBase.class, JsonVdcActionParametersBaseMixIn.class);
mapper.getSerializationConfig().addMixInAnnotations(IVdcQueryable.class, JsonIVdcQueryableMixIn.class);
mapper.getSerializationConfig().addMixInAnnotations(VM.class, JsonVmMixIn.class);
mapper.configure(Feature.INDENT_OUTPUT, true);
mapper.enableDefaultTyping();
return writeJsonAsString(payload, mapper);
}
/**
* Use the ObjectMapper to parse the payload to String.
*
* @param payload
* - The payload to be reutrned.
* @param mapper
* - The ObjectMapper.
* @return Parsed string of the serialized object.
*/
private String writeJsonAsString(Serializable payload, ObjectMapper mapper) {
try {
return mapper.writeValueAsString(payload);
} catch (JsonGenerationException e) {
throw new SerializationException(e);
} catch (JsonMappingException e) {
throw new SerializationException(e);
} catch (IOException e) {
throw new SerializationException(e);
}
}
/**
* Parse the serialized content with unformatted Json.
*
* @param payload
* - The serialized Object.
* @return The string value of the serialized object.
* @throws SerializationExeption
*/
public String serializeUnformattedJson(Serializable payload) throws SerializationExeption {
ObjectMapper mapper = new ObjectMapper();
return writeJsonAsString(payload, mapper);
}
}