up vote 2 down vote favorite

How do I create my own xml data to be used with Restful web service in Java? I did create a string file using StringBuilder but when I tried consuming at the client side there is always a problem extracting the attributes from it there is always an error.

Listed below is my code;

Employee emp0 = new Employee("David", "Finance");
Employee emp1 = new Employee("Smith", "HealthCare");
Employee emp2 = new Employee("Adam", "Information technology");
Employee emp3 = new Employee("Stephan", "Life Sciences");

map.put("00345", emp0);
map.put("00346", emp1);
map.put("00347", emp2);
map.put("00348", emp3);

@GET
@Path("{id}")
@Produces({"application/xml"})
public String find(@PathParam("id") String id) {

    Employee emp = (Employee) map.get(id);
    if (emp != null) {
        StringBuilder br = new StringBuilder();
        br.append("<?xml version='1.0' encoding='UTF-8'?>").append(nl);
        br.append("<Employee>").append(nl);
        br.append("<Emp-ID>").append(id).append(" </Emp-ID >").append(nl);
        br.append("<Name>").append(emp.getName()).append(" </Name>").append(nl);
        br.append("<dept>").append(emp.getDept()).append(" </Department>").append(nl);
        br.append("</Employee>");
        return br.toString();
    } else {
        return "Unknown id";
    }
}

I have a POJO by the name of Employee with Name and Department as attributes as well. Thanks.

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2 Answers

up vote 0 down vote accepted

If you add an @XmlRootElement(name="Employee") annotation on your Employee class then you could do the following:

@GET
@Path("{id}")
@Produces({"application/xml"})
public Employee find(@PathParam("id") String id) {

    return (Employee) map.get(id);

}

Then the @XmlElement annotation can be used to override the element names. You can also leverage a JAX-RS Response object to return a status code rather than a String error message.

For More Information

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up vote 1 down vote

i would suggest you use JAXB annotations on your Employee class instead of this stringbuilder exercise.
this link should help you get started
and this link should answer any further questions

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