java - How to de/serialize an immutable object without default constructor using ObjectMapper? -

i want serialize , deserialize immutable object using com.fasterxml.jackson.databind.objectmapper.

the immutable class looks (just 3 internal attributes, getters , constructors):

public final class importresultitemimpl implements importresultitem {      private final importresultitemtype resulttype;      private final string message;      private final string name;      public importresultitemimpl(string name, importresultitemtype resulttype, string message) {         super();         this.resulttype = resulttype;         this.message = message;         this.name = name;     }      public importresultitemimpl(string name, importresultitemtype resulttype) {         super();         this.resulttype = resulttype;         this.name = name;         this.message = null;     }      @override     public importresultitemtype getresulttype() {         return this.resulttype;     }      @override     public string getmessage() {         return this.message;     }      @override     public string getname() {         return this.name;     } } 

however when run unit test:

@test public void testobjectmapper() throws exception {     importresultitemimpl originalitem = new importresultitemimpl("name1", importresultitemtype.success);     string serialized = new objectmapper().writevalueasstring((importresultitemimpl) originalitem);     system.out.println("serialized: " + serialized);      //this line throw exception     importresultitemimpl deserialized = new objectmapper().readvalue(serialized, importresultitemimpl.class); } 

i exception:

com.fasterxml.jackson.databind.jsonmappingexception: no suitable constructor found type [simple type, class eu.ibacz.pdkd.core.service.importcommon.importresultitemimpl]: can not instantiate json object (missing default constructor or creator, or perhaps need add/enable type information?)  @ [source: {"resulttype":"success","message":null,"name":"name1"}; line: 1, column: 2]     @  ... nothing interesting here 

this exception asks me create default constructor, immutable object, don't want have it. how set internal attributes? totally confuse user of api.

so question is: can somehow de/serialize immutable objects without default constructor?

to let jackson know how create object deserialization, use @jsoncreator , @jsonproperty annotations constructors, this:

@jsoncreator public importresultitemimpl(@jsonproperty("name") string name,          @jsonproperty("resulttype") importresultitemtype resulttype,          @jsonproperty("message") string message) {     super();     this.resulttype = resulttype;     this.message = message;     this.name = name; }