Thanks for responding. That would make sense. Is there any way to identify when or when it couldn't be converted?
Does the array that I provided cause this issue? In my Post class I followed the example code and have the class assigning ids as long. _______________________________________ Stephen Walsh | http://connectwithawalsh.com On Thu, Sep 20, 2012 at 12:55 PM, Francois Meillet < francois.meil...@gmail.com> wrote: > parameters.get("id").toLong() throws this exception when id can't be > converted to long. > > François > > > Le 20 sept. 2012 à 19:06, Stephen Walsh <step...@connectwithawalsh.com> a > écrit : > > > I am new to Wicket and Java, so forgive any ignorance or lack of > information. > > > > I am modeling a blog type application after the Wicket Examples Library > application and have not had any luck passing the post id to the details > page. I'm not using the user portion at this point because I'll be doing a > role based authorization later. > > > > The blog page populates the array that it is given and provides a link > to the detail page, but this is when the exception is thrown. Any thoughts? > > > > Thanks! > > > > public abstract class BasePage extends WebPage { > > /** > > * > > */ > > private static final long serialVersionUID = 1L; > > > > > > private String pageTitle = "(no title)"; > > > > /** > > * > > * @return pageTitle > > */ > > public final String getPageTitle() { > > > > return pageTitle; > > } > > > > /** > > * > > * @param title > > */ > > public final void setPageTitle(String title) { > > > > pageTitle = title; > > } > > > > public BasePage() { > > > > this(new PageParameters()); > > } > > > > /** > > * > > * @param parameters > > */ > > public BasePage(final PageParameters parameters) { > > > > super(parameters); > > > > add(new Label("title", new PropertyModel<String>(this, > "pageTitle"))); > > add(new BookmarkablePageLink("logo", Index.class)); > > add(new BookmarkablePageLink("home", Index.class)); > > add(new BookmarkablePageLink("news", Blog.class)); > > add(new BookmarkablePageLink("contact", ContactUs.class)); > > add(new BookmarkablePageLink("about", About.class)); > > add(new FooterPanel("social")); > > } > > > > /** > > * Construct > > * > > * @param model > > */ > > public BasePage(IModel<?> model) { > > > > super(model); > > } > > > > public class Blog extends BasePage { > > > > /** > > * Constructor > > * > > * @param params > > */ > > public Blog(final PageParameters paramaters) { > > > > setPageTitle("News"); > > > > //Add a list of blogPosts > > final PageableListView<Post> listView; > > add(listView = new PageableListView<Post>("blogPosts", new > PropertyModel<List<Post>>(this, "blogPosts"), 5) { > > > > @Override > > public void populateItem(final ListItem<Post> > listItem) { > > final Post blogPost = > listItem.getModelObject(); > > listItem.add(BlogDetails.link("details", > blogPost, getLocalizer().getString("noPostTitle", this))); > > listItem.add(new Label("text", new > Model<Post>(blogPost))); > > listItem.add(new Label("tags", new > Model<Post>(blogPost))); > > listItem.add(removeLink("remove", > listItem)); > > listItem.add(EditBlogPost.link("edit", > blogPost.getId())); > > } > > }); > > add(new PagingNavigator("navigator", listView)); > > } > > > > public List<Post> getBlogPosts() { > > final List<Post> blogPosts = new ArrayList<Post>(); > > > > blogPosts.add(new Post("Post1", "text1", "tag1, tag2, > tag3")); > > blogPosts.add(new Post("Post2", "text2", "tag1, tag2, > tag3")); > > blogPosts.add(new Post("Post3", "text3", "tag1, tag2, > tag3")); > > blogPosts.add(new Post("Post4", "text4", "tag1, tag2, > tag3")); > > blogPosts.add(new Post("Post5", "text5", "tag1, tag2, > tag3")); > > blogPosts.add(new Post("Post6", "text6", "tag1, tag2, > tag3")); > > blogPosts.add(new Post("Post7", "text7", "tag1, tag2, > tag3")); > > blogPosts.add(new Post("Post8", "text8", "tag1, tag2, > tag3")); > > blogPosts.add(new Post("Post9", "text9", "tag1, tag2, > tag3")); > > blogPosts.add(new Post("Post10", "text10", "tag1, tag2, > tag3")); > > > > return blogPosts; > > > > } > > } > > > > public class BlogDetails extends BasePage { > > > > /** > > * > > * @param parameters > > * PageParameters > > * @throws StringValueConversionException > > */ > > public BlogDetails(final PageParameters parameters) throws > StringValueConversionException { > > this(Post.get(parameters.get("id").toLong())); > > } > > > > public BlogDetails(final Post blogPost) { > > add(new Label("title", blogPost.getTitle())); > > add(new Label("text", blogPost.getText())); > > add(new Label("tags", blogPost.getTags())); > > add(EditBlogPost.link("edit", blogPost.getId())); > > } > > > > /** > > * Creates an external page link > > * > > * @param name > > * The name of the link component to create > > * @param post > > * The post to link to > > * @param noPostTitle > > * The title to show if post is null > > * @return The external page link > > */ > > public static BookmarkablePageLink<Void> link(final String name, > final Post blogPost, final String noPostTitle) { > > > > final BookmarkablePageLink<Void> link = new > BookmarkablePageLink<Void>(name, BlogDetails.class); > > > > if (blogPost != null) { > > > > link.getPageParameters().add("id", > blogPost.getId()); > > link.add(new Label("title", new > Model<Post>(blogPost))); > > } > > else { > > > > link.add(new Label("title", noPostTitle)); > > link.setEnabled(false); > > } > > > > return link; > > } > > } > > > > > > ____________________________________ > > Stephen Walsh | http://connectwithawalsh.com > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > For additional commands, e-mail: users-h...@wicket.apache.org > >
