[task] Json transformation

Description

jsont is json transformer task that allow to:

• read properties from json file(s)
• process properties using freemarker templates

Jsont task parameters

Examples

Rewrite json file

file.json

• input file

{
  "id": 123,
  "name": "Pankaj",
  "permanent": true,
  "address": {
    "street": "Albany Dr",
    "city": "San Jose",
    "zipcode": 95129
  },
  "phoneNumbers": [
    123456,
    987654
  ],
  "role": "Manager",
  "cities": [
    "Los Angeles",
    "New York"
  ],
  "properties": {
    "age": "29 years",
    "salary": "1000 USD"
  }
}

build.xml

• ant file:

<project name="bidji-jsont" xmlns:bj="antlib:org.bidji.taskdefs">
<target name="rewrite" description="rewrite json">		
	<bj:jsont file="file.json" tofile="res.json" template="rewrite.ftl" overwrite="true"/>
</target>
</project>

rewrite.ftl

• freemarker file

{
[#foreach property in json?api.properties()]
[#if property.is_string()]
  "${property.key()}": "${property.as_string()}"[#if !property?is_last],[/#if]
[#elseif property.is_number()]
  "${property.key()}": ${property.as_number()}[#if !property?is_last],[/#if]
[#elseif property.is_boolean()]
  "${property.key()}": ${property.as_boolean()?c}[#if !property?is_last],[/#if] [#-- or myBool?string('yes', 'no') --]
[#elseif property.is_object()]
  "${property.key()}": ${property.as_object()}[#if !property?is_last],[/#if]   
[#elseif property.is_array()]
  "${property.key()}": ${property.as_array()}[#if !property?is_last],[/#if]    
[/#if]
[/#foreach]
}