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## Extension Points |
JM |
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Gitblit offers several extension points for enhancing and customizing it's runtime behavior. |
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Each available extension point has a sample implementation in the [gitblit-cookbook-plugin (Maven project)](https://github.com/gitblit/gitblit-cookbook-plugin). |
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**NOTE:** |
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Gitblit does not yet offer a comprehensize dependency injection architecture. This will be addressed in a subsequent release. For now you may access all of Gitblit's core managers through a static singleton app context: |
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```java |
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import com.gitblit.extensions.GitblitPlugin; |
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import com.gitblit.servlet.GitblitContext; |
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import com.gitblit.manager.IRuntimeManager; |
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import com.gitblit.manager.IUserManager; |
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import com.gitblit.manager.IAuthenticationManager; |
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import com.gitblit.manager.INotificationManager; |
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import com.gitblit.manager.IRepositoryManager; |
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import com.gitblit.manager.IProjectManager; |
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import com.gitblit.manager.IFederationManager; |
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import com.gitblit.manager.IPluginManager; |
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import com.gitblit.manager.IGitblit; |
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import ro.fortsoft.pf4j.Version; |
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public class ExamplePlugin extends GitblitPlugin { |
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@Override |
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public void start() { |
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IRuntimeManager runtime = GitblitContext.getManager(IRuntimeManager.class); |
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IUserManager users = GitblitContext.getManager(IUserManager.class); |
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IAuthenticationManager auth = GitblitContext.getManager(IAuthenticationManager.class); |
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INotificationManager notifications = GitblitContext.getManager(INotificationManager.class); |
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IRepositoryManager repos = GitblitContext.getManager(IRepositoryManager.class); |
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IProjectManager projects = GitblitContext.getManager(IProjectManager.class); |
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IFederationManager federation = GitblitContext.getManager(IFederationManager.class); |
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IPluginManager plugins = GitblitContext.getManager(IPluginManager.class); |
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IGitblit gitblit = GitblitContext.getManager(IGitblit.class); |
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} |
cf4004
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@Override |
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public void stop() { |
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} |
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@Override |
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public void onInstall() { |
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} |
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@Override |
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public void onUpgrade(Version oldVersion) { |
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} |
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@Override |
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public void onUninstall() { |
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} |
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} |
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/** |
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* You can also create Webapp plugins that register mounted pages. |
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*/ |
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public class ExampleWicketPlugin extends GitblitWicketPlugin { |
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@Override |
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public void start() { |
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} |
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@Override |
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public void stop() { |
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} |
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@Override |
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public void onInstall() { |
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} |
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@Override |
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public void onUpgrade(Version oldVersion) { |
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} |
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@Override |
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public void onUninstall() { |
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} |
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@Override |
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protected void init(GitblitWicketApp app) { |
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app.mount("/logo", LogoPage.class); |
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app.mount("/hello", HelloWorldPage.class); |
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} |
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} |
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``` |
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### SSH Dispatch Command |
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*SINCE 1.5.0* |
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You can provide your own custom SSH command hierarchies by subclassing the *DispatchCommand* class. |
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```java |
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import ro.fortsoft.pf4j.Extension; |
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import org.kohsuke.args4j.Option; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import com.gitblit.models.UserModel; |
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import com.gitblit.transport.ssh.commands.CommandMetaData; |
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import com.gitblit.transport.ssh.commands.DispatchCommand; |
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import com.gitblit.transport.ssh.commands.UsageExample; |
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@Extension |
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@CommandMetaData(name = "mycommands", description = "Sample SSH dispatcher") |
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public class MyDispatcher extends DispatchCommand { |
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@Override |
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protected void setup() { |
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// commands in this dispatcher |
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register(CommandA.class); |
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register(CommandB.class); |
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// nested dispatchers |
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register(SubDispatcher1.class); |
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register(SubDispatcher2.class); |
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} |
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@CommandMetaData(name = "commanda", aliases = { "ca" }, description = "description of command a") |
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@UsageExample(syntax = "${cmd} --myflag", description = "description of commanda with --myflag") |
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public static class CommandA extends SshCommand { |
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protected final Logger log = LoggerFactory.getLogger(getClass()); |
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@Option(name = "--myflag", aliases = { "-m" }, usage = "enable myflag") |
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boolean myflag; |
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@Override |
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public void run() throws Failure { |
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if (myflag) { |
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log.info("Run with --myflag"); |
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} else { |
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log.info("Run without --myflag"); |
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} |
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} |
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} |
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} |
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``` |
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### Pre- and Post- Receive Hook |
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*SINCE 1.5.0* |
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You can provide your own custom pre and/or post receive hooks by subclassing the *ReceiveHook* class. |
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```java |
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import com.gitblit.extensions.ReceiveHook; |
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import java.util.Collection; |
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import org.eclipse.jgit.transport.ReceiveCommand; |
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import ro.fortsoft.pf4j.Extension; |
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@Extension |
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public class MyReceiveHook extends ReceiveHook { |
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@Override |
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public void onPreReceive(GitblitReceivePack receivePack, Collection<ReceiveCommand> commands) { |
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} |
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@Override |
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public void onPostReceive(GitblitReceivePack receivePack, Collection<ReceiveCommand> commands) { |
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} |
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} |
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``` |
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### Patchset Hook |
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*SINCE 1.5.0* |
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You can provide your own custom patchset hook by subclassing the *PatchsetHook* class. |
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```java |
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import com.gitblit.extensions.PatchsetHook; |
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import com.gitblit.models.TicketModel; |
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import ro.fortsoft.pf4j.Extension; |
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@Extension |
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public class MyPatchsetHook extends PatchsetHook { |
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@Override |
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public void onNewPatchset(TicketModel ticket) { |
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} |
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@Override |
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public void onUpdatePatchset(TicketModel ticket) { |
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} |
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@Override |
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public void onMergePatchset(TicketModel ticket) { |
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} |
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} |
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``` |
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### Ticket Hook |
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*SINCE 1.5.0* |
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You can provide your own custom ticket hook by subclassing the *TicketHook* class. |
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```java |
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import com.gitblit.extensions.TicketHook; |
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import com.gitblit.models.TicketModel; |
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import com.gitblit.models.TicketModel.Change; |
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import ro.fortsoft.pf4j.Extension; |
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@Extension |
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public class MyTicketHook extends TicketHook { |
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@Override |
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public void onNewTicket(TicketModel ticket) { |
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} |
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@Override |
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public void onUpdateTicket(TicketModel ticket, Change change) { |
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} |
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} |
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``` |
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### Request Filter |
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*SINCE 1.6.0* |
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You can provide your own custom request filter by subclassing the *HttpRequestFilter* class. |
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```java |
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import com.gitblit.extensions.HttpRequestFilter; |
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import ro.fortsoft.pf4j.Extension; |
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@Extension |
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public class MyRequestFilter extends HttpRequestFilter { |
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@Override |
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public void doFilter(ServletRequest request, ServletResponse response, |
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FilterChain chain) throws IOException, ServletException { |
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} |
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} |
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``` |
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### User Menu Items |
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*SINCE 1.6.0* |
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You can provide your own user menu items by subclassing the *UserMenuExtension* class. |
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```java |
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import java.util.Arrays; |
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import java.util.List; |
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import ro.fortsoft.pf4j.Extension; |
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import com.gitblit.extensions.UserMenuExtension; |
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import com.gitblit.models.Menu.ExternalLinkMenuItem; |
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import com.gitblit.models.Menu.MenuItem; |
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import com.gitblit.models.UserModel; |
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@Extension |
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public class MyUserMenuContributor extends UserMenuExtension { |
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@Override |
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public List<MenuItem> getMenuItems(UserModel user) { |
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MenuItem item = new ExternalLinkMenuItem("Github", String.format("https://github.com/%s", user.username)); |
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return Arrays.asList(item); |
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} |
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} |
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``` |
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### Navigation Links |
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*SINCE 1.6.0* |
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You can provide your own top-level navigation links by subclassing the *NavLinkExtension* class. |
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```java |
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import java.util.Arrays; |
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import java.util.List; |
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import ro.fortsoft.pf4j.Extension; |
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import com.gitblit.extensions.NavLinkExtension; |
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import com.gitblit.models.UserModel; |
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@Extension |
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public class MyNavLink extends NavLinkExtension { |
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@Override |
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public List<NavLink> getNavLinks(UserModel user) { |
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NavLink link = new ExternalLinkMenuItem("Github", String.format("https://github.com/%s", user.username)); |
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return Arrays.asList(link); |
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} |
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} |
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``` |