How to force a specific field order in JSON output using Jackson? [duplicate]

I'm using ObjectMapper to do my java-json mapping.

ObjectWriter ow = new ObjectMapper().writer().withDefaultPrettyPrinter(); ow.writeValue(new File( fileName +".json"), jsonObj);

this is my java class:

public class Relation { private String id; private String source; private String target; private String label; private List<RelAttribute> attributes; public String getId() { return id; } public void setId(String id) { this.id = id; } public String getSource() { return source; } public void setSource(String source) { this.source = source; } public String getTarget() { return target; } public void setTarget(String target) { this.target = target; } public String getLabel() { return label; } public void setLabel(String label) { this.label = label; } public void setAttributes(List<RelAttribute> attributes) { this.attributes = attributes; } public List<RelAttribute> getAttributes() { return attributes; } }

this is what I get:

{ "id" : "-75da69d3-79c8-4000-a3d8-b10350a57a7e", "attributes" : [ { "attrName" : "ID", "attrValue" : "" }, { "attrName" : "Description", "attrValue" : "Primary Actor" }, { "attrName" : "Status", "attrValue" : "" } ], "label" : "new Label", "target" : "-46b238ac-b8b3-4230-b32c-be9707f8b691", "source" : "-daa34638-061a-45e0-9f2e-35afd6c271e0" }

So my question now is, how can I get this json output:

{ "id" : "-75da69d3-79c8-4000-a3d8-b10350a57a7e", "label" : "new Label", "target" : "-46b238ac-b8b3-4230-b32c-be9707f8b691", "source" : "-daa34638-061a-45e0-9f2e-35afd6c271e0", "attributes" : [ { "attrName" : "ID", "attrValue" : "" }, { "attrName" : "Description", "attrValue" : "Primary Actor" }, { "attrName" : "Status", "attrValue" : "" } ] }

I want it with same order as in my java declaration. Is there a way to specify it ? Maybe with annotations or stuff like that ?