import java.net.MalformedURLException;
import java.net.URL;
+import javax.servlet.http.HttpServletRequest;
+
public class Navigation {
private NavigationItem rootNavigationItem;
return rootNavigationItem;
}
- public NavigationItem getSelectedItem(final String requestUrl) {
+ public NavigationItem getSelectedItem(final HttpServletRequest request) {
+ final String requestUrl = request.getRequestURL().toString();
try {
final String requestPath = new URL(requestUrl).getPath();
return getDefaultNavigationItem();
}
- public String getTopMenu(final String requestUrl) {
+ public String getTopMenu(final HttpServletRequest request) {
- final NavigationItem selectedItem = getSelectedItem(requestUrl);
+ final NavigationItem selectedItem = getSelectedItem(request);
final StringBuffer result = new StringBuffer();
result.append("<div class=\"navigationMenu\">");
if (item == selectedItem)
result.append("<a class=\"menuItemSelected\" href=\""
- + item.getLink() + "\">");
+ + item.getLinkUrl() + "\">");
else
- result.append("<a class=\"menuItem\" href=\"" + item.getLink()
- + "\">");
+ result.append("<a class=\"menuItem\" href=\""
+ + item.getLinkUrl() + "\">");
result.append("<div>" + item.getTitle() + "</div>");
result.append("</a>");
public class NavigationItem {
- private final String link;
- private final String matchingWildcard;
- private final Map<Locale, String> titles = new HashMap<Locale, String>();
+ private String matchingWildcard;
+ private final Map<Locale, String> localeToTitle = new HashMap<Locale, String>();
ArrayList<NavigationItem> subElements = new ArrayList<NavigationItem>();
-
- public NavigationItem(final String link) {
- this.link = link;
- matchingWildcard = link;
+ private Locale[] localeOrder;
+ private NavigationItem parent;
+ private final String linkUrl;
+
+ public NavigationItem(final Locale... localeOrder) {
+ if (localeOrder.length == 0)
+ this.localeOrder = new Locale[] { Locale.ENG };
+ else
+ this.localeOrder = localeOrder;
+
+ matchingWildcard = null;
+ linkUrl = null;
}
- public NavigationItem(final String link, final String wildcard) {
- this.link = link;
- matchingWildcard = wildcard;
+ public NavigationItem(final NavigationItem parent, final String linkUrl,
+ final String... titles) {
+ this.parent = parent;
+ this.linkUrl = linkUrl;
+
+ initializeLocalizedTitles(titles);
}
- public void addSubNavigation(final NavigationItem item) {
+ public NavigationItem addChild(final String linkUrl, final String... titles) {
+
+ final NavigationItem item = new NavigationItem(this, linkUrl, titles);
subElements.add(item);
- }
- public NavigationItem addTitle(final Locale locale, final String title) {
- titles.put(locale, title);
- return this;
+ return item;
}
- public NavigationItem addTitle(final String title) {
- titles.put(Locale.ENG, title);
- return this;
+ public String getLinkUrl() {
+ return linkUrl;
}
- public String getLink() {
- return link;
+ public Locale[] getLocaleOrder() {
+ if (localeOrder != null)
+ return localeOrder;
+
+ return parent.getLocaleOrder();
}
public List<NavigationItem> getSubElements() {
}
public String getTitle() {
- return titles.get(Locale.ENG);
+ if (localeToTitle.size() != 1)
+ throw new RuntimeException("there shall be exactly one title");
+
+ return localeToTitle.values().iterator().next();
}
public String getTitle(final Locale locale) {
- return titles.get(locale);
+ return localeToTitle.get(locale);
}
- public boolean matchesUrl(final String url) {
+ private void initializeLocalizedTitles(final String... titles) {
+ final Locale[] locales = getLocaleOrder();
+ if (locales.length != titles.length)
+ throw new RuntimeException("There should be exactly "
+ + locales.length + " title(s).");
+ for (int i = 0; i < titles.length; i++)
+ localeToTitle.put(locales[i], titles[i]);
+ }
+
+ public boolean matchesUrl(final String url) {
return WildCardMatcher.match(url, matchingWildcard);
}