com.google.gson.JsonSyntaxException#getCause ( )源码实例Demo

/**
 * Delete persistent volume claim.
 * @param namespace Namespace.
 * @param name Persistent volume claim name.
 */
@SneakyThrows(ApiException.class)
public void deletePVC(String namespace, String name) {
    CoreV1Api api = new CoreV1Api();
    try {
        api.deleteNamespacedPersistentVolumeClaim(name, namespace, PRETTY_PRINT, DRY_RUN, null, null, null, new V1DeleteOptions());
    } catch (JsonSyntaxException e) {
        // https://github.com/kubernetes-client/java/issues/86
        if (e.getCause() instanceof IllegalStateException) {
            IllegalStateException ise = (IllegalStateException) e.getCause();
            if (ise.getMessage() != null && ise.getMessage().contains("Expected a string but was BEGIN_OBJECT")) {
                log.debug("Ignoring exception", e);
                return;
            }
        }
        throw e;
    }
}
 

/**
 * Deserialized the JSON-LD string into schema.org objects.
 *
 * @throws JsonLdSyntaxException if the JSON-LD string could not be deserialized to schema.org
 *     types.
 * @throws JsonSyntaxException if the JSON-LD string has JSON syntax error.
 */
public List<Thing> deserialize(String json) throws JsonLdSyntaxException, JsonSyntaxException {
  try {
    return gson.fromJson(json, thingTypeToken);
  } catch (JsonSyntaxException e) {
    if (e.getCause() instanceof JsonLdSyntaxException) {
      throw (JsonLdSyntaxException) e.getCause();
    } else {
      throw e;
    }
  }
}
 

/**
 * Parse a JSON string that contains DTOs, propagating JSON exceptions correctly if they are
 * caused by failures in the given Reader. Real JSON syntax exceptions are propagated as-is.
 */
private <T> T parseDto(Reader json, Type type) throws IOException {
  try {
    return dtoGson.fromJson(json, type);
  } catch (JsonSyntaxException e) {
    final Throwable cause = e.getCause();
    if (cause instanceof IOException) {
      throw (IOException) cause;
    }
    throw e;
  }
}