package com.atlassian.plugins.rest.json;
   
   import com.google.common.collect.Lists;
   
   import javax.xml.bind.annotation.XmlAttribute;
   import javax.xml.bind.annotation.XmlElement;
   import javax.xml.bind.annotation.XmlElementWrapper;
   import javax.xml.bind.annotation.XmlRootElement;
   import java.util.Collection;
  import java.util.Collections;
  import java.util.Map;
  
  @XmlRootElement
  public class JsonObject {
      @XmlAttribute
      private int anInteger = 1;
  
      @XmlAttribute
      private long aLong = 2L;
  
      @XmlElementWrapper
      @XmlElement(name = "item")
      private Collection<JsonItem> nullCollection = null;
  
      @XmlElementWrapper
      @XmlElement
      private Collection<JsonItem> emptyCollection = Lists.newArrayList();
  
      @XmlElementWrapper
      @XmlElement(name = "item")
      private Collection<JsonItem> singletonCollection = Lists.newArrayList(new JsonItem("item1"));
  
      @XmlElementWrapper
      private Map<String, String> singletonMap = Collections.singletonMap("foo", "bar");
  
      @XmlRootElement
      public static class JsonItem {
          @XmlAttribute
          private String name;
  
          public JsonItem() {
          }
  
          public JsonItem(String name) {
              this.name = name;
          }
      }
  }