package fr.epsi.i4.bookmark.web;

import java.net.URI;
import java.util.ArrayList;
import java.util.List;

import javax.ws.rs.core.UriBuilder;
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlElementWrapper;
import javax.xml.bind.annotation.XmlRootElement;

@XmlRootElement(name = "bookmarks")
public class BookmarksResponse {

	private final List<Link> links = new ArrayList<>();
	private final List<Link> navigationLinks = new ArrayList<>();
	private int startIndex;
	private int itemCount;

	@XmlElement(name = "link")
	public List<Link> getLinks() {
		return links;
	}
	
	@XmlElementWrapper(name="nav")
	@XmlElement(name = "link")
	public List<Link> getNavigationLinks() {
		return navigationLinks;
	}

	public void addNavigationLink(Link link) {
		navigationLinks.add(link);
	}

	public void addBookmarkLink(URI uri) {
		links.add(new Link(uri, "bookmark"));
	}

	@XmlAttribute
	public int getStartIndex() {
		return startIndex;
	}

	public void setStartIndex(int startIndex) {
		this.startIndex = startIndex;
	}

	@XmlAttribute
	public int getItemCount() {
		return itemCount;
	}

	public void setItemCount(int itemCount) {
		this.itemCount = itemCount;
	}
	
	public void addNavigationLinks(UriBuilder uriBuilder) {
		UriBuilder navUriBuilder = uriBuilder.replaceQueryParam("startIndex", "{startIndex}");
		if (this.startIndex > 0) {
			int previousIndex = Math.max(0, this.startIndex - this.itemCount);
			this.navigationLinks.add(new Link(navUriBuilder.build(previousIndex),"previousPage"));
		}
		if (!this.links.isEmpty() && this.links.size() == this.itemCount) {
			this.navigationLinks.add(new Link(navUriBuilder.build(this.startIndex + this.itemCount),"nextPage"));
		}
		this.navigationLinks.add(new Link(uriBuilder.replaceQuery("").path("latest").build(), "latest"));
	}
}

package fr.epsi.i4.bookmark.web;

import java.net.URI;
import java.util.ArrayList;
import java.util.List;

import javax.ws.rs.core.UriBuilder;
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlElementWrapper;
import javax.xml.bind.annotation.XmlRootElement;

@XmlRootElement(name = "bookmarks")
public class BookmarksResponse {

	private final List<Link> links = new ArrayList<>();
	private final List<Link> navigationLinks = new ArrayList<>();
	private int startIndex;
	private int itemCount;

	@XmlElement(name = "link")
	public List<Link> getLinks() {
		return links;
	}
	
	@XmlElementWrapper(name="nav")
	@XmlElement(name = "link")
	public List<Link> getNavigationLinks() {
		return navigationLinks;
	}

	public void addNavigationLink(Link link) {
		navigationLinks.add(link);
	}

	public void addBookmarkLink(URI uri) {
		links.add(new Link(uri, "bookmark"));
	}

	@XmlAttribute
	public int getStartIndex() {
		return startIndex;
	}

	public void setStartIndex(int startIndex) {
		this.startIndex = startIndex;
	}

	@XmlAttribute
	public int getItemCount() {
		return itemCount;
	}

	public void setItemCount(int itemCount) {
		this.itemCount = itemCount;
	}
	
	public void addNavigationLinks(UriBuilder uriBuilder) {
		UriBuilder navUriBuilder = uriBuilder.clone().replaceQueryParam("startIndex", "{startIndex}");
		if (this.startIndex > 0) {
			int previousIndex = Math.max(0, this.startIndex - this.itemCount);
			this.navigationLinks.add(new Link(navUriBuilder.build(previousIndex),"previousPage"));
		}
		if (!this.links.isEmpty() && this.links.size() == this.itemCount) {
			this.navigationLinks.add(new Link(navUriBuilder.build(this.startIndex + this.itemCount),"nextPage"));
		}
		this.navigationLinks.add(new Link(uriBuilder.path("latest").replaceQuery("").build(), "latest"));
	}
}

Fix d'un bug étrange sur le UriBuilder (détecté avec Jersey)