# Extracting a JSON string into a map and converting the map back to JSON

This scenario applies only to Talend ESB, Talend Data Services Platform, Talend Real-Time Big Data Platform, and Talend Data Fabric.

This scenario shows how to parse a JSON string into a Java map and writes the map back into a JSON schema.

### In this section

* [Dropping and linking the components](https://help.qlik.com/talend/en-US/mediation-components/8.0/mediation-json-processing/cjsonparser-cjsonwriter-dropping-and-linking-the-components)
* [Configuring the components](https://help.qlik.com/talend/en-US/mediation-components/8.0/mediation-json-processing/cjsonparser-cjsonwriter-configuring-the-components)
* [Viewing code and executing the Route](https://help.qlik.com/talend/en-US/mediation-components/8.0/mediation-json-processing/cjsonparser-cjsonwriter-viewing-code-and-executing-route)

**Related reference**

* [cJsonParser](https://help.qlik.com/talend/en-US/mediation-components/8.0/mediation-json-processing/cjsonparser "Extracts the desired data from JSON format.")
* [cJsonWriter](https://help.qlik.com/talend/en-US/mediation-components/8.0/mediation-json-processing/cjsonwriter "Transforms the incoming data into JSON format.")

**Related information**

* [cTimer](https://help.qlik.com/talend/en-US/mediation-components/8.0/mediation-orchestration/ctimer)
* [cSetBody](https://help.qlik.com/talend/en-US/mediation-components/8.0/mediation-setbody/csetbody)
* [cLog](https://help.qlik.com/talend/en-US/mediation-components/8.0/mediation-logs-and-errors/clog)