+/*
+ * 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.
+ */
+
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;
-import javax.servlet.http.HttpServletRequest;
+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;
+ }
-public class Navigation {
+ private String getGetNotNullString(final String string) {
+ if (string != null)
+ return string;
- private NavigationItem rootNavigationItem;
+ return "";
+ }
- private NavigationItem defaultNavigationItem;
+ public LocaleConfiguration getLocaleConfiguration() {
+ return localeConfiguration;
+ }
- public NavigationItem getDefaultNavigationItem() {
- return defaultNavigationItem;
- }
+ public NI getRootNavigationItem() {
+ return rootNavigationItem;
+ }
- public NavigationItem getRootNavigationItem() {
- return rootNavigationItem;
- }
+ public NI getSelectedItem(final HttpServletRequest request) {
+ final String requestUrl = request.getRequestURL().toString();
- public NavigationItem getSelectedItem(final HttpServletRequest request) {
- final String requestUrl = request.getRequestURL().toString();
+ try {
+ final String requestPath = new URL(requestUrl).getPath();
- try {
- final String requestPath = new URL(requestUrl).getPath();
+ @SuppressWarnings("unchecked")
+ final NI match = (NI) rootNavigationItem.getMatchingNavigationItem(requestPath);
- final NavigationItem match = rootNavigationItem
- .getMatchingNavigationItem(requestPath);
+ if (match != null)
+ return match;
+ } catch (final MalformedURLException e) {
+ System.out.println("Cannot handle URL: " + requestUrl);
+ e.printStackTrace();
+ }
- if (match != null)
- return match;
- } catch (final MalformedURLException e) {
- System.out.println("Cannot handle URL: " + requestUrl);
- e.printStackTrace();
- }
+ return getDefaultNavigationItem();
+ }
- return getDefaultNavigationItem();
- }
+ @SuppressWarnings("unchecked")
+ public String getTopMenu(final HttpServletRequest request) {
- public String getTopMenu(final HttpServletRequest request) {
+ final String currentLocale = localeConfiguration.detectCurrentLocale(request);
- final NavigationItem selectedItem = getSelectedItem(request);
- final StringBuffer result = new StringBuffer();
+ final NI selectedItem = getSelectedItem(request);
+ final StringBuilder result = new StringBuilder();
- result.append("<div class=\"navigationMenu\">");
+ result.append("<div class=\"" + getGetNotNullString(rootNavigationItem.getCssPrefix()) + "navigationMenu\">");
- for (final NavigationItem item : getRootNavigationItem()
- .getSubElements()) {
+ for (final NI item : (List<NI>) getRootNavigationItem().getSubElements()) {
- if (item == selectedItem)
- result.append("<a class=\"menuItemSelected\" href=\""
- + item.getLinkUrl() + "\">");
- else
- result.append("<a class=\"menuItem\" href=\""
- + item.getLinkUrl() + "\">");
+ if (item == selectedItem)
+ result.append("<a class=\"" + getGetNotNullString(item.getCssPrefix()) + "menuItemSelected\" href=\""
+ + item.getLinkUrl() + "\">");
+ else
+ result.append("<a class=\"" + getGetNotNullString(item.getCssPrefix()) + "menuItem\" href=\""
+ + item.getLinkUrl() + "\">");
- result.append("<div>" + item.getTitle() + "</div>");
- result.append("</a>");
- }
+ result.append("<div>" + item.getTitle(currentLocale) + "</div>");
+ result.append("</a>");
+ }
- result.append("</div>");
+ result.append("</div>");
- return result.toString();
- }
+ return result.toString();
+ }
- public void setDefaultNavigationItem(
- final NavigationItem defaultNavigationItem) {
- this.defaultNavigationItem = defaultNavigationItem;
- }
+ public NI setDefaultNavigationItem(final NI defaultNavigationItem) {
+ this.defaultNavigationItem = defaultNavigationItem;
+ return defaultNavigationItem;
+ }
- public void setRootNavigationItem(final NavigationItem rootNavigationItem) {
- this.rootNavigationItem = rootNavigationItem;
- }
+ public NI setRootNavigationItem(final NI rootNavigationItem) {
+ this.rootNavigationItem = rootNavigationItem;
+ return rootNavigationItem;
+ }
}