Rest client with receive list of XML using annotations

**alexios.7** · May 5th, 2012, 09:33 AM

Hi everyone,
I'm trying to receive atoms from a repository
the form of the xml i want to retrieve is the following:

<authors xmlns="http://www.../ckp" xmlns:atom="http://www.w3.org/2005/atom">
<author>
<atom:link rel="author" type="application/xml" href="http://www.../ckp/author/1"/>
</author>
<author>
<atom:link rel="author" type="application/xml" href="http://www.../ckp/author/2"/>
</author>
<author>

I declare a package-info:

@javax.xml.bind.annotation.XmlSchema (
namespace="http://www.../ckp",
elementFormDefault=XmlNsForm.QUALIFIED,
xmlns = {
@javax.xml.bind.annotation.XmlNs( prefix=" ", namespaceURI="http://www.../ckp"),
@javax.xml.bind.annotation.XmlNs( prefix="atom" ,namespaceURI="http://www.w3.org/2005/atom")
}
)
package org.client.model;

import javax.xml.bind.annotation.*;

I declare a class Author:

import javax.xml.bind.annotation.*;

@XmlRootElement
@XmlAccessorType(XmlAccessType.FIELD)
public class Author {

@XmlAttribute
private String author;
private String name;
private String address;
private String affiliation;
private String email;

public String getAuthor() {
return author;
}

public void setAuthor(String author) {
this.author = author;
}

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
}

public String getAddress() {
return address;
}

public void setAddress(String address) {
this.address = address;
}

public String getAffiliation() {
return affiliation;
}

public void setAffiliation(String affiliation) {
this.affiliation = affiliation;
}

public String getEmail() {
return email;
}

public void setEmail(String email) {
this.email = email;
}

The aformentioned class says that each one of the authors has name,address,affiliation,email
Individual authors i can retrieve from the www.../ckp/author/1

But my problem is that i can not retrieve the list. The code i try is the following:
@XmlAccessorType(XmlAccessType.FIELD)
public class Atomlink {

@XmlAttribute
private String rel;
@XmlAttribute
private String type;
@XmlAttribute(required = true)
private String href;

public String getRel() {
return rel;
}

public void setRel(String rel) {
this.rel = rel;
}
public String getType() {
return type;
}

public void setType(String type) {
this.type = type;
}
public String getHref() {
return href;
}

public void setHref(String href) {
this.href = href;
}

}
This is the class for the atom and after i create a class called AuthorMeta:
@XmlAccessorType(XmlAccessType.FIELD)
public class AuthorMeta {

@XmlElement(name="link")
private Atomlink link;

public Atomlink getLink() {
return link;
}

public void setLink(Atomlink link) {
this.link = link;
}
}

And finally the class authors:
@XmlRootElement(name="authors")
@XmlAccessorType(XmlAccessType.FIELD)
public class Authors {

@XmlAttribute
private String authors;

public void setAuthors(String authors) {
this.authors = authors;
}

public String getAuthors() {
return authors;
}

@XmlElement
private List<AuthorMeta> data;

public List<AuthorMeta> getData() {
return data;
}

public void setData(List<AuthorMeta> data) {
this.data = data;
}
}
And the view is the following:

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<h1>Authors</h1>

<c:url var="addUrl" value="/add" />
<table style="border: 1px solid; width: 500px; text-align:center">
<thead style="background:#fcf">
<tr>
<th>Name</th>
<th>Address</th>
<th>Affiliation</th>
<th>Email</th>
<th colspan="4"></th>
</tr>
</thead>
<tbody>
<c:forEach items="${authors}" var="author">
<c:url var="editUrl" value="/update?id=${author.id}" />
<c:url var="deleteUrl" value="/delete?id=${author.id}" />
<c:url var="getUrl" value="/author?id=${author.id}" />
<tr>
<td><c:out value="${author.name}" /></td>
<td><c:out value="${author.address}" /></td>
<td><c:out value="${author.affiliation}" /></td>
<td><c:out value="${author.email}" /></td>
<td><a href="${editUrl}">Edit</a></td>
<td><a href="${deleteUrl}">Delete</a></td>
<td><a href="${addUrl}">Add</a></td>
<td><a href="${getUrl}">Get</a></td>
</tr>
</c:forEach>
</tbody>
</table>

<c:if test="${empty authors}">
There are currently no persons in the list. <a href="${addUrl}">Add</a> a person.
</c:if>

</body>
</html>

Can anyone tells me what i'm doing wrong?

**alexios.7** · May 5th, 2012, 06:29 PM

Please help me. I'm trying to retrieve the atom list one week now

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