Simplified navigation.
[svjatoslav_commons.git] / src / main / java / eu / svjatoslav / commons / network / navigation / NavigationItem.java
index 6392fa9..0359440 100755 (executable)
@@ -1,51 +1,79 @@
+/*
+ * 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.string.WildCardMatcher;
+
 import java.util.ArrayList;
 import java.util.List;
 
-import eu.svjatoslav.commons.string.WildCardMatcher;
-
 public class NavigationItem {
 
-       private final String title;
-       private final String link;
-       private final String matchingWildcard;
+    private final ArrayList<NavigationItem> children = new ArrayList<>();
+    private final String url;
+    private String pattern;
+    private String title;
+    private boolean isDefault;
+
+    public NavigationItem(final String url, String pattern, String title ) {
+        this.url = url;
+        this.pattern = pattern;
+        this.title = title;
+    }
 
-       ArrayList<NavigationItem> subElements = new ArrayList<NavigationItem>();
+    public NavigationItem setDefault(){
+        isDefault = true;
+        return this;
+    }
 
-       public NavigationItem(final String title, final String link) {
-               this.title = title;
-               this.link = link;
-               matchingWildcard = link;
-       }
+    public boolean isDefault(){
+        return isDefault;
+    }
 
-       public NavigationItem(final String title, final String link,
-                       final String wildcard) {
-               this.title = title;
-               this.link = link;
-               matchingWildcard = wildcard;
-       }
+    public void add(final NavigationItem navigationItem) {
+        children.add(navigationItem);
+    }
 
-       public void addSubNavigation(final NavigationItem item) {
-               subElements.add(item);
-       }
+    public String getUrl() {
+        return url;
+    }
 
-       public String getLink() {
-               return link;
-       }
+    NavigationItem getMatch(final String requestPath) {
+        if (matchesUrl(requestPath))
+            return this;
 
-       public List<NavigationItem> getSubElements() {
-               return subElements;
-       }
+        for (final NavigationItem childNavigationItem : children) {
+            final NavigationItem match = childNavigationItem.getMatch(requestPath);
 
-       public String getTitle() {
-               return title;
-       }
+            if (match != null)
+                return match;
+        }
+        return null;
+    }
 
-       public boolean matchesUrl(final String url) {
+    public List<NavigationItem> getChildren() {
+        return children;
+    }
 
-               return WildCardMatcher.match(url, matchingWildcard);
+    public String getTitle() {
+        return title;
+    }
 
-       }
+    public boolean matchesUrl(final String url) {
+        return WildCardMatcher.match(url, pattern);
+    }
 
+    public NavigationItem getDefaultNavigationItem() {
+        for (NavigationItem child : children)
+            if (child.isDefault())
+                return child;
+        return null;
+    }
 }