Building JSON
Groovy provides convenient solutions for when we’re creating web services and need to generate a JSON-formatted object.[36] Its as simple as sending our instances to groovy.json.JsonBuilder’s constructor, and the builder takes care of the rest. We can write the generated JSON format to a Writer by calling the writeTo method, as in the next example.
| UsingBuilders/BuildJSON.groovy | |
| | class Person { |
| | String first |
| | String last |
| | def sigs |
| | def tools |
| | } |
| | john = new Person(first: "John", last: "Smith", |
| | sigs: ['Java', 'Groovy'], tools: ['script': 'Groovy', 'test': 'Spock']) |
| | bldr = new groovy.json.JsonBuilder(john) |
| | writer = new StringWriter() |
| | bldr.writeTo(writer) |
| | println writer |
The builder uses the ...
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