推土机-如何在另一个对象内的Map中映射复杂对象中的字段？

Question

我有以下文件- 模型类具有类型为java.util.Map的“地图”字段。此地图填充了一个Cost对象。

在目标端，我有GMCModel类，该类具有GooglePrice实例变量。我正在尝试使用给定的映射将Cost对象从源Model对象中的映射映射到GooglePrice。我找不到任何文档。无需编写自定义转换器，有人可以告诉我是否可行。

这是蚀项目-https://github.com/gitterygit/Dozer

    package com.vinod.map.nested;
    import java.util.Map;

    public class Model {
    public Model(){
    }

    String prop1 ;
    public String getProp1() {
        return prop1;
    }
    public void setProp1(String prop1) {
        this.prop1 = prop1;
    }
    public String getProp2() {
        return prop2;
    }
    public void setProp2(String prop2) {
        this.prop2 = prop2;
    }
    public Map getMap() {
        return map;
    }
    public void setMap(Map map) {
        this.map = map;
    }
    String prop2 ;
    Map map ;
    }



    package com.vinod.map.nested;

    public class Cost {

    public String currency;
    public float value;
    public String getCurrency() {
        System.out.println("Get Currency Getting Called");
        return currency;
    }
    public void setCurrency(String currency) {
        this.currency = currency;
    }
    public float getValue() {
        return value;
    }
    public void setValue(float value) {
        this.value = value;
    }
    @Override
    public String toString() {
        return "Cost [currency=" + currency + ", value=" + value + "]";
    }

    }

    package com.vinod.map.nested;

    public class GMCModel {


    public  GMCModel(){

    }

      public java.lang.String getAvailability() {
        return availability;
    }
    public void setAvailability(java.lang.String availability) {
        this.availability = availability;
    }
    public java.util.List<java.lang.String> getAdditionalImageLinks() {
        return additionalImageLinks;
    }
    public void setAdditionalImageLinks(java.util.List<java.lang.String> additionalImageLinks) {
        this.additionalImageLinks = additionalImageLinks;
    }
    public java.lang.Boolean getAdult() {
        return adult;
    }
    public void setAdult(java.lang.Boolean adult) {
        this.adult = adult;
    }

    private java.lang.String availability;
      private java.util.List<java.lang.String> additionalImageLinks;
      private java.lang.Boolean adult;
      private String prop2;
      private String prop3;
      private GooglePrice price;

    @Override
    public String toString() {
        return "GMCModel [availability=" + availability + ", additionalImageLinks=" + additionalImageLinks + ", adult="
                + adult + ", prop2=" + prop2 + ", prop3=" + prop3 + ", price=" + price + "]";
    }

    public GooglePrice getPrice() {
        return price;
    }

    public void setPrice(GooglePrice price) {
        this.price = price;
    }

    public String getProp3() {
        return prop3;
    }

    public void setProp3(String prop3) {
        this.prop3 = prop3;
    }

    public String getProp2() {
        return prop2;
    }

    public void setProp2(String prop2) {
        this.prop2 = prop2;
    }

    }




    package com.vinod.map.nested;

    public class GooglePrice {

    public GooglePrice(){

    }
    public String country;
    public float value;
    public String getCountry() {
        return country;
    }
    public void setCountry(String country) {
        this.country = country;
    }
    public float getValue() {
        return value;
    }
    public void setValue(float value) {
        this.value = value;
    }
    @Override
    public String toString() {
        return "GooglePrice [country=" + country + ", value=" + value + "]";
    }

    }




package com.vinod.map.nested;

import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;

import org.dozer.DozerBeanMapper;

public class MapDemoForGMC {


    public static void main(String[] args) {

        DozerBeanMapper dozerMapper = new DozerBeanMapper();
        dozerMapper.setMappingFiles(Arrays.asList("mappings\\demo_model_gmc.xml"));


        Model model = new Model();

        model.setProp1("FirstOne");
        model.setProp2("SecondOne");


        Map modelmap = new HashMap();
        modelmap.put("mapkey1", "mapVal1");
        modelmap.put("mapkey2", "mapVal2");
        modelmap.put("mapkey3", "mapVal3");

        Cost c =  new Cost();
        c.setCurrency("INR");
        c.setValue(12);
        modelmap.put("cost", c);

        model.map=modelmap;




        GMCModel gmc = dozerMapper.map(model, GMCModel.class);

        System.out.println(gmc);


    }


    }






<?xml version="1.0" encoding="UTF-8"?>
<mappings xmlns="http://dozer.sourceforge.net"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://dozer.sourceforge.net 
      http://dozer.sourceforge.net/schema/beanmapping.xsd">


<mapping>
  <class-a>com.vinod.map.nested.Cost</class-a>
  <class-b>com.vinod.map.nested.GooglePrice</class-b>
        <field>
            <a>currency</a>
            <b>country</b>
        </field>
        <field>
            <a>value</a>
            <b>value</b>
        </field>
 </mapping>

<mapping wildcard="false">
  <class-a>com.vinod.map.nested.Model</class-a>
  <class-b>com.vinod.map.nested.GMCModel</class-b>
        <field>
            <a>prop1</a>
            <b>availability</b>
        </field>
        <field>
            <a>prop2</a>
            <b>prop2</b>
        </field>

        <field>
            <a key="mapkey1">map</a>
            <b>prop3</b>
        </field>

        <field >
            <a key="cost">map</a>
            <b>price</b>
            <a-hint>com.vinod.map.nested.Cost</a-hint>
            <b-hint>com.vinod.map.nested.GooglePrice</b-hint>            
        </field> 


</mapping> 
</mappings>