Interface for intercepting outgoing calls before they are dispatched by a HttpJsonChannel.
The interceptor may be called for multiple calls by one or more
threads without completing the previous ones first. The implementations must be thread-safe.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-28 UTC."],[[["\u003cp\u003eThis webpage provides a comprehensive list of versions for \u003ccode\u003eHttpJsonClientInterceptor\u003c/code\u003e, ranging from the latest version 2.63.1 down to version 2.7.1.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eHttpJsonClientInterceptor\u003c/code\u003e is an interface designed to intercept outgoing calls before they are handled by a \u003ccode\u003eHttpJsonChannel\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eImplementations of \u003ccode\u003eHttpJsonClientInterceptor\u003c/code\u003e must be thread-safe, as they may be called for multiple calls by various threads without previous calls being completed.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003einterceptCall\u003c/code\u003e method is used to intercept \u003ccode\u003eHttpJsonClientCall\u003c/code\u003e creation, taking parameters such as \u003ccode\u003eApiMethodDescriptor\u003c/code\u003e, \u003ccode\u003eHttpJsonCallOptions\u003c/code\u003e, and \u003ccode\u003eHttpJsonChannel\u003c/code\u003e, and returning a \u003ccode\u003eHttpJsonClientCall\u003c/code\u003e object.\u003c/p\u003e\n"]]],[],null,["# Interface HttpJsonClientInterceptor (2.69.0)\n\nVersion latestkeyboard_arrow_down\n\n- [2.69.0 (latest)](/java/docs/reference/gax/latest/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.68.2](/java/docs/reference/gax/2.68.2/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.67.0](/java/docs/reference/gax/2.67.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.66.0](/java/docs/reference/gax/2.66.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.65.0](/java/docs/reference/gax/2.65.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.63.1](/java/docs/reference/gax/2.63.1/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.62.0](/java/docs/reference/gax/2.62.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.61.0](/java/docs/reference/gax/2.61.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.60.0](/java/docs/reference/gax/2.60.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.59.1](/java/docs/reference/gax/2.59.1/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.58.0](/java/docs/reference/gax/2.58.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.57.0](/java/docs/reference/gax/2.57.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.55.0](/java/docs/reference/gax/2.55.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.54.1](/java/docs/reference/gax/2.54.1/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.53.0](/java/docs/reference/gax/2.53.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.52.0](/java/docs/reference/gax/2.52.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.51.0](/java/docs/reference/gax/2.51.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.50.0](/java/docs/reference/gax/2.50.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.49.0](/java/docs/reference/gax/2.49.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.48.1](/java/docs/reference/gax/2.48.1/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.47.0](/java/docs/reference/gax/2.47.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.46.1](/java/docs/reference/gax/2.46.1/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.45.0](/java/docs/reference/gax/2.45.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.43.0](/java/docs/reference/gax/2.43.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.42.0](/java/docs/reference/gax/2.42.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.41.0](/java/docs/reference/gax/2.41.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.39.0](/java/docs/reference/gax/2.39.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.38.0](/java/docs/reference/gax/2.38.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.37.0](/java/docs/reference/gax/2.37.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.36.0](/java/docs/reference/gax/2.36.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.35.0](/java/docs/reference/gax/2.35.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.34.1](/java/docs/reference/gax/2.34.1/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.33.0](/java/docs/reference/gax/2.33.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.32.1](/java/docs/reference/gax/2.32.1/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.31.1](/java/docs/reference/gax/2.31.1/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.30.1](/java/docs/reference/gax/2.30.1/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.24.0](/java/docs/reference/gax/2.24.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.23.3](/java/docs/reference/gax/2.23.3/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.22.0](/java/docs/reference/gax/2.22.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.21.0](/java/docs/reference/gax/2.21.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.20.1](/java/docs/reference/gax/2.20.1/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.19.6](/java/docs/reference/gax/2.19.6/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.18.7](/java/docs/reference/gax/2.18.7/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.17.0](/java/docs/reference/gax/2.17.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.16.0](/java/docs/reference/gax/2.16.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.15.0](/java/docs/reference/gax/2.15.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.14.0](/java/docs/reference/gax/2.14.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.13.0](/java/docs/reference/gax/2.13.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.12.2](/java/docs/reference/gax/2.12.2/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.11.0](/java/docs/reference/gax/2.11.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.10.0](/java/docs/reference/gax/2.10.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.9.0](/java/docs/reference/gax/2.9.0/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.8.1](/java/docs/reference/gax/2.8.1/com.google.api.gax.httpjson.HttpJsonClientInterceptor)\n- [2.7.1](/java/docs/reference/gax/2.7.1/com.google.api.gax.httpjson.HttpJsonClientInterceptor) \n\n public interface HttpJsonClientInterceptor\n\nInterface for intercepting outgoing calls before they are dispatched by a [HttpJsonChannel](/java/docs/reference/gax/latest/com.google.api.gax.httpjson.HttpJsonChannel).\n\nThe interceptor may be called for multiple [calls](/java/docs/reference/gax/latest/com.google.api.gax.httpjson.HttpJsonClientCall) by one or more\nthreads without completing the previous ones first. The implementations must be thread-safe.\n\nMethods\n-------\n\n### \\\u003cReqT,RespT\\\u003einterceptCall(ApiMethodDescriptor\\\u003cReqT,RespT\\\u003e method, HttpJsonCallOptions callOptions, HttpJsonChannel next)\n\n public abstract HttpJsonClientCall\u003cReqT,RespT\u003e \u003cReqT,RespT\u003einterceptCall(ApiMethodDescriptor\u003cReqT,RespT\u003e method, HttpJsonCallOptions callOptions, HttpJsonChannel next)\n\nIntercept [HttpJsonClientCall](/java/docs/reference/gax/latest/com.google.api.gax.httpjson.HttpJsonClientCall) creation by the `next` [HttpJsonChannel](/java/docs/reference/gax/latest/com.google.api.gax.httpjson.HttpJsonChannel)."]]