How to use

using

method

in

org.codehaus.jackson.map.annotate.JsonDeserialize

@Override
public Class<? extends JsonDeserializer<?>> findDeserializer(Annotated a)
{
  /* 21-May-2009, tatu: Slight change; primary annotation is now
   *    @JsonDeserialize; @JsonUseDeserializer is deprecated
   */
  JsonDeserialize ann = a.getAnnotation(JsonDeserialize.class);
  if (ann != null) {
    Class<? extends JsonDeserializer<?>> deserClass = ann.using();
    if (deserClass != JsonDeserializer.None.class) {
      return deserClass;
    }
  }
  // 31-Jan-2010, tatus: @JsonUseDeserializer removed as of 1.5
  return null;
}

@Override
public Class<? extends JsonDeserializer<?>> findDeserializer(Annotated a)
{
  /* 21-May-2009, tatu: Slight change; primary annotation is now
   *    @JsonDeserialize; @JsonUseDeserializer is deprecated
   */
  JsonDeserialize ann = a.getAnnotation(JsonDeserialize.class);
  if (ann != null) {
    Class<? extends JsonDeserializer<?>> deserClass = ann.using();
    if (deserClass != JsonDeserializer.None.class) {
      return deserClass;
    }
  }
  // 31-Jan-2010, tatus: @JsonUseDeserializer removed as of 1.5
  return null;
}

@Override
public Class<? extends JsonDeserializer<?>> findDeserializer(Annotated a)
{
  /* 21-May-2009, tatu: Slight change; primary annotation is now
   *    @JsonDeserialize; @JsonUseDeserializer is deprecated
   */
  JsonDeserialize ann = a.getAnnotation(JsonDeserialize.class);
  if (ann != null) {
    Class<? extends JsonDeserializer<?>> deserClass = ann.using();
    if (deserClass != JsonDeserializer.None.class) {
      return deserClass;
    }
  }
  // 31-Jan-2010, tatus: @JsonUseDeserializer removed as of 1.5
  return null;
}

@Override
public Class<? extends JsonDeserializer<?>> findDeserializer(Annotated a)
{
  /* 21-May-2009, tatu: Slight change; primary annotation is now
   *    @JsonDeserialize; @JsonUseDeserializer is deprecated
   */
  JsonDeserialize ann = a.getAnnotation(JsonDeserialize.class);
  if (ann != null) {
    Class<? extends JsonDeserializer<?>> deserClass = ann.using();
    if (deserClass != JsonDeserializer.None.class) {
      return deserClass;
    }
  }
  // 31-Jan-2010, tatus: @JsonUseDeserializer removed as of 1.5
  return null;
}

@Override
public Class<? extends JsonDeserializer<?>> findDeserializer(Annotated a, BeanProperty property)
{
  /* 21-May-2009, tatu: Slight change; primary annotation is now
   *    @JsonDeserialize; @JsonUseDeserializer is deprecated
   */
  JsonDeserialize ann = a.getAnnotation(JsonDeserialize.class);
  if (ann != null) {
    Class<? extends JsonDeserializer<?>> deserClass = ann.using();
    if (deserClass != JsonDeserializer.None.class) {
      return deserClass;
    }
  }
  // 31-Jan-2010, tatus: @JsonUseDeserializer removed as of 1.5
  return null;
}

@SuppressWarnings({ "unchecked", "deprecation" })
@Override
public Class<? extends JsonDeserializer<?>> findDeserializer(Annotated a)
{
  /* 21-May-2009, tatu: Slight change; primary annotation is now
   *    @JsonDeserialize; @JsonUseDeserializer is deprecated
   */
  JsonDeserialize ann = a.getAnnotation(JsonDeserialize.class);
  if (ann != null) {
    Class<? extends JsonDeserializer<?>> deserClass = ann.using();
    if (deserClass != JsonDeserializer.None.class) {
      return deserClass;
    }
  }
  JsonUseDeserializer oldAnn = a.getAnnotation(JsonUseDeserializer.class);
  if (oldAnn == null) {
    return null;
  }
  Class<?> deserClass = oldAnn.value();
  if (deserClass == NoClass.class || deserClass == JsonDeserializer.None.class) {
    return null;
  }
  if (!JsonDeserializer.class.isAssignableFrom(deserClass)) {
    throw new IllegalArgumentException("Invalid @JsonUseDeserializer annotation: Class "+deserClass.getName()+" not a JsonDeserializer");
  }
  return (Class<? extends JsonDeserializer<?>>)deserClass;
}