How to return String object through Jackson Parser from Java instance

Question

Say I have:

ReportExecution executionRequestBody = new ReportExecution();

I need something to parse the instance in a way that it would be parsed in JSON format but having textual outlook.

String b = JacksonParserParse(executionRequestBody);

Where I would be able to do something like:

logger.info(b);

Output:

{"reportUnitUri": "/path/to/report",
"async": "true",
"freshData": "false",
"saveDataSnapshot": "false",
"outputFormat": "html",
"interactive": "true",
"ignorePagination": "false",
"pages": "1-5"
}

The ultimate task is to simply insert this String into HTTP request body in Spring RestTemplate HttpEntity. So if there is less thorny way I am more than happy to hear alternative.

Now I can do simple mapping but that usually results in .json file in the filesystem which I do not really know how to plug into my HttpEntity.

Community · Accepted Answer · 2017-05-23 12:11:11Z

1

What you want to do is integration RestTemplate with Jackson. This can easily be done and is described in this SO question.

edited May 23, 2017 at 12:11

CommunityBot

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answered Apr 2, 2014 at 13:50

geoand

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2 Comments

geoand Over a year ago

@Aubergine Happy to hear it :)!

Aubergine Over a year ago

Though this automatic object mapping, cant work with nested json values quite well or either i cant find suitable data structure - list of list of map rofl, my next question tomorrow.

nilesh · Accepted Answer · 2014-04-02 16:02:19Z

1

You could do this easily using ObjectMapper from Jackson

ObjectMapper mapper = new ObjectMapper();
ReportExecution executionRequestBody = new ReportExecution(); 
String b = mapper.writeValueAsString(executionRequestBody);
System.out.println(b);

answered Apr 2, 2014 at 16:02

nilesh

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