How to use

io.swagger.parser.SwaggerCompatConverter

constructor

private Swagger transformV1(String content, Map<String, String> config) {
  // Create temporary file for Swagger parser (only for descriptor version < 2.x)
  File temp = null;
  Swagger swagger = null;
  try {
    temp = createTmpSwagger1File(content);
    swagger = new SwaggerCompatConverter().read(temp.getAbsolutePath());
    if (swagger != null && config != null && config.get("tryItURL") != null) {
      URI newURI = URI.create(config.get("tryItURL"));
      swagger.setSchemes(Collections.singletonList(Scheme.forValue(newURI.getScheme())));
      swagger.setHost((newURI.getPort() != -1) ? newURI.getHost() + ':' + newURI.getPort() : newURI.getHost());
      swagger.setBasePath((newURI.getRawPath().isEmpty()) ? "/" : newURI.getRawPath());
    }
  } catch (IOException ioe) {
    // Fallback to the new parser
  } finally {
    if (temp != null) {
      temp.delete();
    }
  }
  return swagger;
}

private Swagger transformV1(String content, Map<String, String> config) {
  // Create temporary file for Swagger parser (only for descriptor version < 2.x)
  File temp = null;
  Swagger swagger = null;
  try {
    temp = createTmpSwagger1File(content);
    swagger = new SwaggerCompatConverter().read(temp.getAbsolutePath());
    if (swagger != null && config != null && config.get("tryItURL") != null) {
      URI newURI = URI.create(config.get("tryItURL"));
      swagger.setSchemes(Collections.singletonList(Scheme.forValue(newURI.getScheme())));
      swagger.setHost((newURI.getPort() != -1) ? newURI.getHost() + ':' + newURI.getPort() : newURI.getHost());
      swagger.setBasePath((newURI.getRawPath().isEmpty()) ? "/" : newURI.getRawPath());
    }
  } catch (IOException ioe) {
    // Fallback to the new parser
  } finally {
    if (temp != null) {
      temp.delete();
    }
  }
  return swagger;
}

/**
 * @param oldSpec
 * @param newSpec
 * @param auths
 * @param version
 */
private SwaggerDiff(String oldSpec, String newSpec, List<AuthorizationValue> auths,
    String version) {
  if (SWAGGER_VERSION_V2.equals(version)) {
    SwaggerParser swaggerParser = new SwaggerParser();
    oldSpecSwagger = swaggerParser.read(oldSpec, auths, true);
    newSpecSwagger = swaggerParser.read(newSpec, auths, true);
  } else {
    SwaggerCompatConverter swaggerCompatConverter = new SwaggerCompatConverter();
    try {
      oldSpecSwagger = swaggerCompatConverter.read(oldSpec, auths);
      newSpecSwagger = swaggerCompatConverter.read(newSpec, auths);
    } catch (IOException e) {
      logger.error("cannot read api-doc from spec[version_v1.x]", e);
      return;
    }
  }
  if (null == oldSpecSwagger || null == newSpecSwagger) { throw new RuntimeException(
      "cannot read api-doc from spec."); }
}

private NewApiEntity prepareV1(ImportSwaggerDescriptorEntity swaggerDescriptor) {
  NewApiEntity apiEntity;
  try {
    logger.info("Loading an old Swagger descriptor from {}", swaggerDescriptor.getPayload());
    if (swaggerDescriptor.getType() == ImportSwaggerDescriptorEntity.Type.INLINE) {
      File temp = null;
      try {
        temp = createTmpSwagger1File(swaggerDescriptor.getPayload());
        apiEntity = mapSwagger12ToNewApi(new SwaggerCompatConverter().read(temp.getAbsolutePath()));
      } finally {
        if (temp != null) {
          temp.delete();
        }
      }
    } else {
      apiEntity = mapSwagger12ToNewApi(new SwaggerCompatConverter().read(swaggerDescriptor.getPayload()));
    }
  } catch (IOException ioe) {
    logger.error("Can not read old Swagger specification", ioe);
    throw new SwaggerDescriptorException();
  }
  return apiEntity;
}

private NewApiEntity prepareV1(ImportSwaggerDescriptorEntity swaggerDescriptor) {
  NewApiEntity apiEntity;
  try {
    logger.info("Loading an old Swagger descriptor from {}", swaggerDescriptor.getPayload());
    if (swaggerDescriptor.getType() == ImportSwaggerDescriptorEntity.Type.INLINE) {
      File temp = null;
      try {
        temp = createTmpSwagger1File(swaggerDescriptor.getPayload());
        apiEntity = mapSwagger12ToNewApi(new SwaggerCompatConverter().read(temp.getAbsolutePath()));
      } finally {
        if (temp != null) {
          temp.delete();
        }
      }
    } else {
      apiEntity = mapSwagger12ToNewApi(new SwaggerCompatConverter().read(swaggerDescriptor.getPayload()));
    }
  } catch (IOException ioe) {
    logger.error("Can not read old Swagger specification", ioe);
    throw new SwaggerDescriptorException();
  }
  return apiEntity;
}

apiList.add(output);
try {
 Swagger swagger = new SwaggerCompatConverter().convert(resourceListing, apiList);
 Map<String,Path> pathMap = swagger.getPaths();