README.md
In validatejsonr: Validate JSON Against JSON Schemas

validatejsonr

An R package for validation of JSON against JSON Schema. There are functions for using JSON file with JSON Schema file, a JSON string with a JSON Schema file and vice-versa, and finally a JSON string with a JSON Schema.

validatejsonr is based on the C++ library RapidJSON (https://github.com/miloyip/rapidjson), which currently supports JSON Schema Draft version 4. RapidJSON pass 262 out of 263 tests in JSON Schema Test Suite (Json Schema draft 4).

Validate a valid JSON file w.r.t Schema

library(validatejsonr)

  > validjson <- "inst/extdata/item-3.json"
  > schemafile <- "inst/extdata/schema.json"
  > validate_result <- validate_jsonfile_with_schemafile(validjson, schemafile)

  > validate_result$value
  [1] 0
  # 0 => success

  > validate_result$message
  [1] "JSON file is valid with respect to Schema"

  > validate_result$schema
  [1] "inst/extdata/schema.json"

  > validate_result$jsonfile
  [1] "inst/extdata/item-3.json"

Validate a non-well formed JSON file w.r.t Schema

library(validatejsonr)

  > validjson <- "inst/extdata/item-1.json"
  > schemafile <- "inst/extdata/schema.json"
  > validate_result <- validate_jsonfile_with_schemafile(validjson, schemafile)

  > validate_result$value
  [1] 100
  # 1XX => non-well formed JSON (syntactically incorrect)

  > validate_result$message
  [1] "JSON Input is not well-formed JSON. Error(offset 14): Invalid value."

  > validate_result$schema
  [1] "inst/extdata/schema.json"

  > validate_result$jsonfile
  [1] "inst/extdata/item-1.json"

Validate an in-valid JSON file w.r.t Schema

library(validatejsonr)

  > validjson <- "inst/extdata/item-1.json"
  > schemafile <- "inst/extdata/schema.json"
  > validate_result <- validate_jsonfile_with_schemafile(validjson, schemafile)

  > validate_result$value
  [1] 200
  # 2XX => invalid JSON with respect to Schema

  > validate_result$message
  [1] "Invalid schema point: #Invalid keyword: required Invalid document point: #"

  > validate_result$schema
  [1] "inst/extdata/schema.json"

  > validate_result$jsonfile
  [1] "inst/extdata/item-2.json"

validatejsonr

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Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
Neither the name of copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.