powderj example view.

HelloWorldResource.java

/**
 * Resource which shows the hello world message.
 *  
 * @author sheenobu
 *
 */
@Path("/")
public class HelloWorldResource {

	//	we don't need to load this from a singleton context (yet) because
	// 	the database is just simple, tiny, and in memory.
	HelloWorldDatabase db = new HelloWorldDatabase();
	
	
	@GET
	public Response redirect() {
		return Response.seeOther(URI.create("/lang/en")).build();		
	}
	
	/**
	 * Returns the populated html view of the page.
	 * 
	 * @param lang The language to display the page in.
	 * @return The page object.
	 */
	@GET
	@Path("/lang/{lang}")
	@Produces("text/html")
	public View html(@PathParam(value="lang") String lang) {		
		return new HelloWorldView(db.getHelloWorldMessage(lang),db.getSupportedLanguages(),lang);
	}
	
}

HelloWorldView.java

/**
 * The binding view for the hello world page.
 * 
 * @author sheenobu
 * 
 */
public class HelloWorldView implements View {

	private String message;
	List<String> languages;
	String currentLang;

	/**
	 * Inject in the required data for this view.
	 * 
	 * @param message
	 * @param languages
	 * @param currentLang
	 */
	public HelloWorldView(String message, List<String> languages,
			String currentLang) {
		this.message = message;
		this.languages = languages;
		this.currentLang = currentLang;
	}

	@Override
	public void render(Html html) throws Exception {
		html.load(HelloWorldView.class.getResourceAsStream("helloworld.html"));
		html.bindValue("#message", message);

		html.forEachValue("#languages", languages, new ForEach<String>() {
			@Override
			public void render(Item<String> item) {
				if (item.getObject().equals(currentLang)) {
					item.setContent(item.getObject());
				} else {
					item.setHtml(String.format("<a href='%s'>%s</a>",
							item.getObject(), item.getObject()));
				}
			}
		});
	}
}