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<!-- Begin Markdown -->
<h2 class="section" id='H1'><a href="#H1" class="sectionlink"><i class="icon-share-alt"> </i></a>Extension Points</h2><p>Gitblit offers several extension points for enhancing and customizing it's runtime behavior.</p><p>Each available extension point has a sample implementation in the <a href="https://github.com/gitblit/gitblit-cookbook-plugin">gitblit-cookbook-plugin (Maven project)</a>.</p><p><strong>NOTE:</strong><br/>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:</p><p><pre>import com.gitblit.extensions.GitblitPlugin;
import com.gitblit.servlet.GitblitContext;
import com.gitblit.manager.IRuntimeManager;
import com.gitblit.manager.IUserManager;
import com.gitblit.manager.IAuthenticationManager;
import com.gitblit.manager.INotificationManager;
import com.gitblit.manager.IRepositoryManager;
import com.gitblit.manager.IProjectManager;
import com.gitblit.manager.IFederationManager;
import com.gitblit.manager.IPluginManager;
import com.gitblit.manager.IGitblit;
import ro.fortsoft.pf4j.Version;
public class ExamplePlugin extends GitblitPlugin {
@Override
public void start() {
IRuntimeManager runtime = GitblitContext.getManager(IRuntimeManager.class);
IUserManager users = GitblitContext.getManager(IUserManager.class);
IAuthenticationManager auth = GitblitContext.getManager(IAuthenticationManager.class);
INotificationManager notifications = GitblitContext.getManager(INotificationManager.class);
IRepositoryManager repos = GitblitContext.getManager(IRepositoryManager.class);
IProjectManager projects = GitblitContext.getManager(IProjectManager.class);
IFederationManager federation = GitblitContext.getManager(IFederationManager.class);
IPluginManager plugins = GitblitContext.getManager(IPluginManager.class);
IGitblit gitblit = GitblitContext.getManager(IGitblit.class);
}
@Override
public void stop() {
}
@Override
public void onInstall() {
}
@Override
public void onUpgrade(Version oldVersion) {
}
@Override
public void onUninstall() {
}
}
/**
* You can also create Webapp plugins that register pages.
*/
public class ExampleWicketPlugin extends GitblitWicketPlugin {
@Override
public void start() {
}
@Override
public void stop() {
}
@Override
public void onInstall() {
}
@Override
public void onUpgrade(Version oldVersion) {
}
@Override
public void onUninstall() {
}
@Override
protected void init(GitblitWicketApp app) {
app.mount(&quot;/logo&quot;, LogoPage.class);
app.mount(&quot;/hello&quot;, HelloWorldPage.class);
}
}
</pre></p>
<h3 class="section" id='H2'><a href="#H2" class="sectionlink"><i class="icon-share-alt"> </i></a>SSH Dispatch Command</h3><p><em>SINCE 1.5.0</em></p><p>You can provide your own custom SSH command hierarchies by subclassing the <em>DispatchCommand</em> class.</p><p><pre>import ro.fortsoft.pf4j.Extension;
import org.kohsuke.args4j.Option;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.gitblit.transport.ssh.commands.CommandMetaData;
import com.gitblit.transport.ssh.commands.DispatchCommand;
import com.gitblit.transport.ssh.commands.UsageExample;
@Extension
@CommandMetaData(name = &quot;mycommands&quot;, description = &quot;Sample SSH dispatcher&quot;)
public class MyDispatcher extends DispatchCommand {
@Override
protected void setup() {
// commands in this dispatcher
register(CommandA.class);
register(CommandB.class);
// nested dispatchers
register(SubDispatcher1.class);
register(SubDispatcher2.class);
}
@CommandMetaData(name = &quot;commanda&quot;, aliases = { &quot;ca&quot; }, description = &quot;description of command a&quot;)
@UsageExample(syntax = &quot;${cmd} --myflag&quot;, description = &quot;description of commanda with --myflag&quot;)
public static class CommandA extends SshCommand {
protected final Logger log = LoggerFactory.getLogger(getClass());
@Option(name = &quot;--myflag&quot;, aliases = { &quot;-m&quot; }, usage = &quot;enable myflag&quot;)
boolean myflag;
@Override
public void run() throws Failure {
if (myflag) {
log.info(&quot;Run with --myflag&quot;);
} else {
log.info(&quot;Run without --myflag&quot;);
}
}
}
}
</pre></p>
<h3 class="section" id='H3'><a href="#H3" class="sectionlink"><i class="icon-share-alt"> </i></a>Pre- and Post- Receive Hook</h3><p><em>SINCE 1.5.0</em></p><p>You can provide your own custom pre and/or post receive hooks by subclassing the <em>ReceiveHook</em> class.</p><p><pre>import com.gitblit.extensions.ReceiveHook;
import java.util.Collection;
import org.eclipse.jgit.transport.ReceiveCommand;
import ro.fortsoft.pf4j.Extension;
@Extension
public class MyReceiveHook extends ReceiveHook {
@Override
public void onPreReceive(GitblitReceivePack receivePack, Collection&lt;ReceiveCommand&gt; commands) {
}
@Override
public void onPostReceive(GitblitReceivePack receivePack, Collection&lt;ReceiveCommand&gt; commands) {
}
}
</pre></p>
<h3 class="section" id='H4'><a href="#H4" class="sectionlink"><i class="icon-share-alt"> </i></a>Patchset Hook</h3><p><em>SINCE 1.5.0</em></p><p>You can provide your own custom patchset hook by subclassing the <em>PatchsetHook</em> class.</p><p><pre>import com.gitblit.extensions.PatchsetHook;
import com.gitblit.models.TicketModel;
import ro.fortsoft.pf4j.Extension;
@Extension
public class MyPatchsetHook extends PatchsetHook {
@Override
public void onNewPatchset(TicketModel ticket) {
}
@Override
public void onUpdatePatchset(TicketModel ticket) {
}
@Override
public void onMergePatchset(TicketModel ticket) {
}
}
</pre></p>
<h3 class="section" id='H5'><a href="#H5" class="sectionlink"><i class="icon-share-alt"> </i></a>Ticket Hook</h3><p><em>SINCE 1.5.0</em></p><p>You can provide your own custom ticket hook by subclassing the <em>TicketHook</em> class.</p><p><pre>import com.gitblit.extensions.TicketHook;
import com.gitblit.models.TicketModel;
import com.gitblit.models.TicketModel.Change;
import ro.fortsoft.pf4j.Extension;
@Extension
public class MyTicketHook extends TicketHook {
@Override
public void onNewTicket(TicketModel ticket) {
}
@Override
public void onUpdateTicket(TicketModel ticket, Change change) {
}
}
</pre></p>
<h3 class="section" id='H6'><a href="#H6" class="sectionlink"><i class="icon-share-alt"> </i></a>Request Filter</h3><p><em>SINCE 1.6.0</em></p><p>You can provide your own custom request filter by subclassing the <em>HttpRequestFilter</em> class.</p><p><pre>import com.gitblit.extensions.HttpRequestFilter;
import ro.fortsoft.pf4j.Extension;
@Extension
public class MyRequestFilter extends HttpRequestFilter {
@Override
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
}
}
</pre></p>
<h3 class="section" id='H7'><a href="#H7" class="sectionlink"><i class="icon-share-alt"> </i></a>User Menu Items</h3><p><em>SINCE 1.6.0</em></p><p>You can provide your own user menu items by subclassing the <em>UserMenuExtension</em> class.</p><p><pre>import java.util.Arrays;
import java.util.List;
import ro.fortsoft.pf4j.Extension;
import com.gitblit.extensions.UserMenuExtension;
import com.gitblit.models.Menu.ExternalLinkMenuItem;
import com.gitblit.models.Menu.MenuItem;
import com.gitblit.models.UserModel;
@Extension
public class MyUserMenuContributor extends UserMenuExtension {
@Override
public List&lt;MenuItem&gt; getMenuItems(UserModel user) {
MenuItem item = new ExternalLinkMenuItem(&quot;Github&quot;, String.format(&quot;https://github.com/%s&quot;, user.username));
return Arrays.asList(item);
}
}
</pre></p>
<h3 class="section" id='H8'><a href="#H8" class="sectionlink"><i class="icon-share-alt"> </i></a>Navigation Links</h3><p><em>SINCE 1.6.0</em></p><p>You can provide your own top-level navigation links by subclassing the <em>NavLinkExtension</em> class.</p><p><pre>import java.util.Arrays;
import java.util.List;
import ro.fortsoft.pf4j.Extension;
import com.gitblit.extensions.NavLinkExtension;
import com.gitblit.models.UserModel;
@Extension
public class MyNavLink extends NavLinkExtension {
@Override
public List&lt;NavLink&gt; getNavLinks(UserModel user) {
NavLink link = new ExternalLinkMenuItem(&quot;Github&quot;, String.format(&quot;https://github.com/%s&quot;, user.username));
return Arrays.asList(link);
}
}
</pre></p>
<h3 class="section" id='H9'><a href="#H9" class="sectionlink"><i class="icon-share-alt"> </i></a>Server Lifecycle Listener</h3><p><em>SINCE 1.6.0</em></p><p>You can provide a lifecycle listener to be notified when Gitblit has completely started and just before Gitblit is gracefully terminated.</p><p><pre>import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import ro.fortsoft.pf4j.Extension;
import com.gitblit.extensions.LifeCycleListener;
@Extension
public class MyLifeCycleListener extends LifeCycleListener {
final Logger log = LoggerFactory.getLogger(getClass());
@Override
public void onStartup() {
log.info(&quot;Gitblit is Ready!!&quot;);
}
@Override
public void onShutdown() {
log.info(&quot;Gitblit is Going Down!!&quot;);
}
}
</pre></p>
<h3 class="section" id='H10'><a href="#H10" class="sectionlink"><i class="icon-share-alt"> </i></a>Repository Lifecycle Listener</h3><p><em>SINCE 1.6.0</em></p><p>You can provide a lifecycle listener to be notified when Gitblit has created or deleted a repository.</p><p><pre>import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import ro.fortsoft.pf4j.Extension;
import com.gitblit.extensions.RepositoryLifeCycleListener;
import com.gitblit.models.RepositoryModel;
@Extension
public class MyRepoLifeCycleListener extends RepositoryLifeCycleListener {
final Logger log = LoggerFactory.getLogger(getClass());
@Override
public void onCreation(RepositoryModel repo) {
log.info(&quot;Gitblit created {}&quot;, repo);
}
@Override
public void onFork(RepositoryModel origin, RepositoryModel fork) {
log.info(&quot;{} forked to {}&quot;, origin, fork);
}
@Override
public void onRename(String oldName, RepositoryModel repo) {
log.info(&quot;{} renamed to {}&quot;, oldName, repo);
}
@Override
public void onDeletion(RepositoryModel repo) {
log.info(&quot;Gitblit deleted {}&quot;, repo);
}
}
</pre></p>
<h3 class="section" id='H11'><a href="#H11" class="sectionlink"><i class="icon-share-alt"> </i></a>User/Team Lifecycle Listener</h3><p><em>SINCE 1.6.0</em></p><p>You can provide a lifecycle listener to be notified when Gitblit has created or deleted a user or a team.</p><p><pre>import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import ro.fortsoft.pf4j.Extension;
import com.gitblit.extensions.UserTeamLifeCycleListener;
import com.gitblit.models.TeamModel;
import com.gitblit.models.UserModel;
@Extension
public class MyUserTeamLifeCycleListener extends UserTeamLifeCycleListener {
final Logger log = LoggerFactory.getLogger(getClass());
@Override
public void onCreation(UserModel user) {
log.info(&quot;Gitblit created user {}&quot;, user);
}
@Override
public void onDeletion(UserModel user) {
log.info(&quot;Gitblit deleted user {}&quot;, user);
}
@Override
public void onCreation(TeamModel team) {
log.info(&quot;Gitblit created team {}&quot;, team);
}
@Override
public void onDeletion(TeamModel team) {
log.info(&quot;Gitblit deleted team {}&quot;, team);
}
}
</pre>
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