package com.atlassian.plugins.rest.common.json;
   
   import org.codehaus.jackson.JsonEncoding;
   import org.codehaus.jackson.map.Module;
   import org.codehaus.jackson.jaxrs.JacksonJsonProvider;
   import org.codehaus.jackson.map.SerializationConfig;
   
   import javax.ws.rs.core.MediaType;
   import javax.xml.bind.JAXBException;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.util.Collections;
  
  public class DefaultJaxbJsonMarshaller implements JaxbJsonMarshaller
  {
      private final boolean prettyPrint;
  
      public DefaultJaxbJsonMarshaller()
      {
          this(false);
      }
  
      public DefaultJaxbJsonMarshaller(boolean prettyPrint)
      {
          this.prettyPrint = prettyPrint;
      }
  
      public String marshal(Object jaxbBean)
      {
          try
          {
              final ByteArrayOutputStream os = new ByteArrayOutputStream();
              // Don't use JsonGenerator directly as we want to make sure we use the same
              // configuration as for REST requests in OsgiResourceConfig
              JacksonJsonProvider jsonProvider = new JacksonJsonProviderFactory().create(Collections.<Module>emptyList());
              if (prettyPrint)
              {
                  jsonProvider.enable(SerializationConfig.Feature.INDENT_OUTPUT, true);
              }
              jsonProvider.writeTo(jaxbBean, jaxbBean.getClass(), null, null, MediaType.APPLICATION_JSON_TYPE, null, os);
              // The encoding used inside JacksonJsonProvider is always UTF-8
              return new String(os.toByteArray(), JsonEncoding.UTF8.getJavaName());
          }
          catch (IOException e)
          {
              throw new JsonMarshallingException(e);
          }
      }
  
      @Deprecated
      public String marshal(final Object jaxbBean, final Class... jaxbClasses) throws JAXBException
      {
          return marshal(jaxbBean);
      }
  }