org.apache.jmeter.protocol.http.util

## Class GraphQLRequestParamUtils

- java.lang.Object
- - org.apache.jmeter.protocol.http.util.GraphQLRequestParamUtils

-     public final class GraphQLRequestParamUtils
      extends Object

  Utilities to (de)serialize GraphQL request parameters.

- - ### Method Summary

    All Methods Static Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `static boolean` | `isGraphQLContentType(String contentType)` Return true if the content type is GraphQL content type (i.e.
    `static String` | `queryToGetParamValue(String query)` Convert the GraphQL Query input string into an HTTP GET request parameter value.
    `static GraphQLRequestParams` | `toGraphQLRequestParams(Arguments arguments, String contentEncoding)` Parse `arguments` and convert it to a `GraphQLRequestParams` object if it has valid GraphQL HTTP arguments.
    `static GraphQLRequestParams` | `toGraphQLRequestParams(byte[] postData, String contentEncoding)` Parse `postData` and convert it to a `GraphQLRequestParams` object if it is a valid GraphQL post data.
    `static String` | `toPostBodyString(GraphQLRequestParams params)` Convert the GraphQL request parameters input data to an HTTP POST body string.
    `static String` | `variablesToGetParamValue(String variables)` Convert the GraphQL Variables JSON input string into an HTTP GET request parameter value.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Method Detail

    - #### isGraphQLContentType

          public static boolean isGraphQLContentType(String contentType)

      Return true if the content type is GraphQL content type (i.e. 'application/json').
      Parameters:
        `contentType` - Content-Type value
      Returns:
        true if the content type is GraphQL content type

    - #### toPostBodyString

          public static String toPostBodyString(GraphQLRequestParams params)

      Convert the GraphQL request parameters input data to an HTTP POST body string.
      Parameters:
        `params` - GraphQL request parameter input data
      Returns:
        an HTTP POST body string converted from the GraphQL request parameters input data
      Throws:
        `RuntimeException` - if JSON serialization fails for some reason due to any runtime environment issues

    - #### queryToGetParamValue

          public static String queryToGetParamValue(String query)

      Convert the GraphQL Query input string into an HTTP GET request parameter value.
      Parameters:
        `query` - the GraphQL Query input string
      Returns:
        an HTTP GET request parameter value converted from the GraphQL Query input string

    - #### variablesToGetParamValue

          public static String variablesToGetParamValue(String variables)

      Convert the GraphQL Variables JSON input string into an HTTP GET request parameter value.
      Parameters:
        `variables` - the GraphQL Variables JSON input string
      Returns:
        an HTTP GET request parameter value converted from the GraphQL Variables JSON input string

    - #### toGraphQLRequestParams

          public static GraphQLRequestParams toGraphQLRequestParams(byte[] postData,
                                                                    String contentEncoding)
                                                             throws com.fasterxml.jackson.core.JsonProcessingException,
                                                                    UnsupportedEncodingException

      Parse `postData` and convert it to a `GraphQLRequestParams` object if it is a valid GraphQL post data.
      Parameters:
        `postData` - post data
        `contentEncoding` - content encoding
      Returns:
        a converted `GraphQLRequestParams` object form the `postData`
      Throws:
        `IllegalArgumentException` - if `postData` is not a GraphQL post JSON data or not a valid JSON
        `com.fasterxml.jackson.core.JsonProcessingException` - if it fails to serialize a parsed JSON object to string
        `UnsupportedEncodingException` - if it fails to decode parameter value

    - #### toGraphQLRequestParams

          public static GraphQLRequestParams toGraphQLRequestParams(Arguments arguments,
                                                                    String contentEncoding)
                                                             throws UnsupportedEncodingException

      Parse `arguments` and convert it to a `GraphQLRequestParams` object if it has valid GraphQL HTTP arguments.
      Parameters:
        `arguments` - arguments
        `contentEncoding` - content encoding
      Returns:
        a converted `GraphQLRequestParams` object form the `arguments`
      Throws:
        `IllegalArgumentException` - if `arguments` does not contain valid GraphQL request arguments
        `UnsupportedEncodingException` - if it fails to decode parameter value

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