From a2d7f6f310a1c44e15574b4acf056894b4ed4b33 Mon Sep 17 00:00:00 2001
From: Svjatoslav Agejenko <svjatoslav@svjatoslav.eu>
Date: Sun, 21 Apr 2013 16:18:13 +0300
Subject: [PATCH] reusable logic for web site navigation

---
 pom.xml                                       |  8 +--
 .../network/navigation/Navigation.java        | 60 +++++++++++++++++++
 .../network/navigation/NavigationItem.java    | 51 ++++++++++++++++
 3 files changed, 115 insertions(+), 4 deletions(-)
 create mode 100755 src/main/java/eu/svjatoslav/commons/network/navigation/Navigation.java
 create mode 100755 src/main/java/eu/svjatoslav/commons/network/navigation/NavigationItem.java

diff --git a/pom.xml b/pom.xml
index 2cfd823..127bbe7 100755
--- a/pom.xml
+++ b/pom.xml
@@ -78,18 +78,18 @@
 		<snapshotRepository>
 			<id>svjatoslav.eu</id>
 			<name>svjatoslav.eu</name>
-			<url>scp://svjatoslav.eu:7022/var/www/maven</url>
+			<url>scp://svjatoslav.eu/var/www/svjatoslav.eu/maven</url>
 		</snapshotRepository>
 		<repository>
 			<id>svjatoslav.eu</id>
 			<name>svjatoslav.eu</name>
-			<url>scp://svjatoslav.eu:7022/var/www/maven</url>		
+			<url>scp://svjatoslav.eu/var/www/svjatoslav.eu/maven</url>		
 		</repository>
 	</distributionManagement>
 
 	<scm>
-		<connection>scm:git:ssh://git@svjatoslav.eu:7022/home/git/repositories/svjatoslav_commons.git</connection>
-		<developerConnection>scm:git:ssh://git@svjatoslav.eu:7022/home/git/repositories/svjatoslav_commons.git</developerConnection>
+		<connection>scm:git:ssh://git@svjatoslav.eu/home/git/repositories/svjatoslav_commons.git</connection>
+		<developerConnection>scm:git:ssh://git@svjatoslav.eu/home/git/repositories/svjatoslav_commons.git</developerConnection>
 	</scm>
 
 </project>
diff --git a/src/main/java/eu/svjatoslav/commons/network/navigation/Navigation.java b/src/main/java/eu/svjatoslav/commons/network/navigation/Navigation.java
new file mode 100755
index 0000000..7a1f711
--- /dev/null
+++ b/src/main/java/eu/svjatoslav/commons/network/navigation/Navigation.java
@@ -0,0 +1,60 @@
+package eu.svjatoslav.commons.network.navigation;
+
+import java.net.MalformedURLException;
+import java.net.URL;
+
+public class Navigation {
+
+	private NavigationItem rootNavigationItem;
+
+	private NavigationItem defaultNavigationItem;
+
+	public NavigationItem getRootNavigationItem() {
+		return rootNavigationItem;
+	}
+
+	public NavigationItem getSelectedItem(final String requestUrl) {
+
+		try {
+			final String requestPath = new URL(requestUrl).getPath();
+
+			for (final NavigationItem item : rootNavigationItem.subElements)
+				if (item.matchesUrl(requestPath))
+					return item;
+		} catch (final MalformedURLException e) {
+			System.out.println("Cannot handle URL: " + requestUrl);
+			e.printStackTrace();
+		}
+
+		return defaultNavigationItem;
+	}
+
+	public String getTopMenu(final String requestUrl) {
+
+		final NavigationItem selectedItem = getSelectedItem(requestUrl);
+		final StringBuffer result = new StringBuffer();
+
+		result.append("<div id=\"topNavigation\">");
+
+		for (final NavigationItem item : rootNavigationItem.getSubElements()) {
+
+			if (item == selectedItem)
+				result.append("<a class=\"selected\" href=\"" + item.getLink()
+						+ "\">");
+			else
+				result.append("<a href=\"" + item.getLink() + "\">");
+
+			result.append(item.getTitle());
+			result.append("</a>");
+		}
+
+		result.append("</div>");
+
+		return result.toString();
+	}
+
+	public void setRootNavigationItem(final NavigationItem rootNavigationItem) {
+		this.rootNavigationItem = rootNavigationItem;
+	}
+
+}
diff --git a/src/main/java/eu/svjatoslav/commons/network/navigation/NavigationItem.java b/src/main/java/eu/svjatoslav/commons/network/navigation/NavigationItem.java
new file mode 100755
index 0000000..6392fa9
--- /dev/null
+++ b/src/main/java/eu/svjatoslav/commons/network/navigation/NavigationItem.java
@@ -0,0 +1,51 @@
+package eu.svjatoslav.commons.network.navigation;
+
+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;
+
+	ArrayList<NavigationItem> subElements = new ArrayList<NavigationItem>();
+
+	public NavigationItem(final String title, final String link) {
+		this.title = title;
+		this.link = link;
+		matchingWildcard = link;
+	}
+
+	public NavigationItem(final String title, final String link,
+			final String wildcard) {
+		this.title = title;
+		this.link = link;
+		matchingWildcard = wildcard;
+	}
+
+	public void addSubNavigation(final NavigationItem item) {
+		subElements.add(item);
+	}
+
+	public String getLink() {
+		return link;
+	}
+
+	public List<NavigationItem> getSubElements() {
+		return subElements;
+	}
+
+	public String getTitle() {
+		return title;
+	}
+
+	public boolean matchesUrl(final String url) {
+
+		return WildCardMatcher.match(url, matchingWildcard);
+
+	}
+
+}
-- 
2.20.1