/*
- * Svjatoslav Commons - shared library of common functionality.
- * Copyright ©2012-2017, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 3 of the GNU Lesser General Public License
- * or later as published by the Free Software Foundation.
+ * Svjatoslav Commons - shared library of common functionality. Author: Svjatoslav Agejenko.
+ * This project is released under Creative Commons Zero (CC0) license.
*/
-
package eu.svjatoslav.commons.network.navigation;
-import eu.svjatoslav.commons.network.LocaleConfiguration;
-
import javax.servlet.http.HttpServletRequest;
import java.net.MalformedURLException;
import java.net.URL;
-import java.util.List;
-
-public class Navigation<NI extends NavigationItem> {
-
- protected final LocaleConfiguration localeConfiguration;
- private NI rootNavigationItem;
- private NI defaultNavigationItem;
-
- public Navigation(final LocaleConfiguration localeConfiguration) {
- this.localeConfiguration = localeConfiguration;
- }
-
- public NI getDefaultNavigationItem() {
- return defaultNavigationItem;
- }
-
- private String getGetNotNullString(final String string) {
- if (string != null)
- return string;
- return "";
- }
+public class Navigation {
- public LocaleConfiguration getLocaleConfiguration() {
- return localeConfiguration;
- }
+ private NavigationItem root = new NavigationItem(null, null, null);
- public NI getRootNavigationItem() {
- return rootNavigationItem;
+ public NavigationItem getRoot(){
+ return root;
}
- public NI getSelectedItem(final HttpServletRequest request) {
+ public NavigationItem getSelectedItem(final HttpServletRequest request) {
final String requestUrl = request.getRequestURL().toString();
+ final String requestPath;
try {
- final String requestPath = new URL(requestUrl).getPath();
+ requestPath = new URL(requestUrl).getPath();
+ } catch (MalformedURLException e) {
+ throw new IllegalArgumentException("Illegal request URL provided." , e);
+ }
- @SuppressWarnings("unchecked") final NI match = (NI) rootNavigationItem.getMatchingNavigationItem(requestPath);
+ @SuppressWarnings("unchecked") final NavigationItem match = root.getMatch(requestPath);
- if (match != null)
- return match;
- } catch (final MalformedURLException e) {
- System.out.println("Cannot handle URL: " + requestUrl);
- e.printStackTrace();
- }
+ if (match != null)
+ return match;
- return getDefaultNavigationItem();
+ return root.getDefaultNavigationItem();
}
@SuppressWarnings("unchecked")
public String getTopMenu(final HttpServletRequest request) {
- final String currentLocale = localeConfiguration.detectCurrentLocale(request);
-
- final NI selectedItem = getSelectedItem(request);
+ final NavigationItem selectedItem = getSelectedItem(request);
final StringBuilder result = new StringBuilder();
- result.append("<div class=\"" + getGetNotNullString(rootNavigationItem.getCssPrefix()) + "navigationMenu\">");
+ result.append("<div class=\"navigationMenu\">");
- for (final NI item : (List<NI>) getRootNavigationItem().getSubElements()) {
+ for (final NavigationItem item : root.getChildren()) {
if (item == selectedItem)
- result.append("<a class=\"" + getGetNotNullString(item.getCssPrefix()) + "menuItemSelected\" href=\""
- + item.getLinkUrl() + "\">");
+ result.append("<a class=\"menuItemSelected\" href=\""
+ + item.getUrl() + "\">");
else
- result.append("<a class=\"" + getGetNotNullString(item.getCssPrefix()) + "menuItem\" href=\""
- + item.getLinkUrl() + "\">");
+ result.append("<a class=\"menuItem\" href=\""
+ + item.getUrl() + "\">");
- result.append("<div>" + item.getTitle(currentLocale) + "</div>");
+ result.append("<div>" + item.getTitle() + "</div>");
result.append("</a>");
}
return result.toString();
}
- public NI setDefaultNavigationItem(final NI defaultNavigationItem) {
- this.defaultNavigationItem = defaultNavigationItem;
- return defaultNavigationItem;
- }
-
- public NI setRootNavigationItem(final NI rootNavigationItem) {
- this.rootNavigationItem = rootNavigationItem;
- return rootNavigationItem;
- }
-
}