http_read_json/3

SWI-Prolog Did You Know Did you know? how to submit a patch

Search Documentation:

Predicate http_read_json/3

HOME
DOWNLOAD
DOCUMENTATION
- Manual
- Packages
- FAQ
- Command line
- PlDoc
- Bluffers▶
- License
- Publications
- Rev 7 Extensions
TUTORIALS
- Beginner▶
- Advanced▶
- Web applications▶
- Semantic web▶
  - ClioPatria
  - RDF namespaces
- Graphics▶
  - XPCE
  - GUI options
- Machine learning▶
  - Probabilistic Logic Programming
- External collections▶
  - Meta level tutorials
- For packagers▶
  - Linux packages
COMMUNITY
COMMERCIAL
WIKI
- Login
- View changes
- Sandbox
- Wiki help
- All tags

Documentation
- Reference manual
- Packages
  - SWI-Prolog HTTP support
    - Supporting JSON
      - library(http/http_json): HTTP JSON Plugin module
        
        http_client:http_convert_data/4
        
        is_json_content_type/1
        
        json_type/1
        
        post_data_hook/3
        
        http_read_json/2
        
        http_read_json/3
        
        http_read_json_dict/2
        
        http_read_json_dict/3
        
        reply_json/1
        
        reply_json/2
        
        reply_json_dict/1
        
        reply_json_dict/2

Availability::- use_module(library(http/http_json)).

Source

[det]http_read_json(+Request, -JSON)

[det]http_read_json(+Request, -JSON, +Options)

Extract JSON data posted to this HTTP request. Options are passed to json_read/3. In addition, this option is processed:

json_object(+As): One of term (default) to generate a classical Prolog term or dict to exploit the SWI-Prolog version 7 data type extensions. See json_read_dict/3.

Errors: - domain_error(mimetype, Found) if the mimetype is not known (see json_type/1).
- domain_error(method, Method) if the request method is not a POST, PUT or PATCH.