Convert JavaBeans sources into a JSON descriptor

I'm in search of a tool or method to analyze standard JavaBeans source code (featuring getters and setters) and create json descriptors using tools like grunt or ant, or any other suitable option. Here's an example:

FilterBean.java:

package com.abc.beans;

import java.io.Serializable;
import java.util.List;
import java.util.Map;


public class FilterBean implements Serializable {
    private static final long serialVersionUID = 7490361447912259765L;

    private Map<String, List<LabelValueBean>> filterMapList;
    private String name;

    public Map<String, List<LabelValueBean>> getFilterMapList() {
        return this.filterMapList;
    }
    public String getName() {
        return this.name;
    }
    public void setName(String name) {
        this.name = name;
    }
}

LabelValueBean.java:

package com.abc.beans;

import java.io.Serializable;    
import java.util.List;

public class LabelValueBean implements Serializable {
    private static final long serialVersionUID = 1237198378921379812L;

    private String label;
    private Integer id;
    private List<String> values;

    public String getLabel() {
        return this.label;
    }
    public void setLabel(String label) {
        this.label = label;
    }
    public Integer getId() {
        return this.idlabel;
    }
    public List<String> getValues() {
        return this.values;
    }
    public void setValues(List<String> values) {
        this.values = values;
    }
}

The resulting output would resemble the following:

com.abc.beans.FilterBean.json:

{
  "name" : {
    "type" : "String",
    "setter" : true
  },
  "filterMapList" : {
    "type" : "Map",
    "innerType" : "com.abc.beans.LabelValueBean",
    "setter" : false
  }
}

com.abc.beans.LabelValueBean.json:

{
  "label" : {
    "type" : "String",
    "setter" : true
  },
  "values" : {
    "type" : "Array",
    "innerType" : "String",
    "setter" : true
  },
  "id" : {
    "type" : "Integer",
    "setter" : false
  }
}

Any suggestions?

Answer №1

When it comes to converting an object-graph into JSON, there are several tools available for the job. Jackson and GSON are two popular choices.

However, these tools only focus on data representation and may not provide a comprehensive view of the structure. If you need to convey the structure beyond a Java environment, consider generating a "JSON Schema". There is also another discussion on creating a JSON schema using a Jackson module.

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