Java tutorial
// Copyright (C) 2009 The Android Open Source Project // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package com.google.gerrit.httpd; import static com.google.inject.Scopes.SINGLETON; import com.google.common.base.Strings; import com.google.gerrit.common.PageLinks; import com.google.gerrit.httpd.raw.CatServlet; import com.google.gerrit.httpd.raw.HostPageServlet; import com.google.gerrit.httpd.raw.LegacyGerritServlet; import com.google.gerrit.httpd.raw.RobotsServlet; import com.google.gerrit.httpd.raw.SshInfoServlet; import com.google.gerrit.httpd.raw.StaticServlet; import com.google.gerrit.httpd.raw.ToolServlet; import com.google.gerrit.httpd.rpc.access.AccessRestApiServlet; import com.google.gerrit.httpd.rpc.account.AccountsRestApiServlet; import com.google.gerrit.httpd.rpc.change.ChangesRestApiServlet; import com.google.gerrit.httpd.rpc.config.ConfigRestApiServlet; import com.google.gerrit.httpd.rpc.doc.QueryDocumentationFilter; import com.google.gerrit.httpd.rpc.group.GroupsRestApiServlet; import com.google.gerrit.httpd.rpc.project.ProjectsRestApiServlet; import com.google.gerrit.reviewdb.client.AuthType; import com.google.gerrit.reviewdb.client.Change; import com.google.gerrit.reviewdb.client.Project; import com.google.gerrit.server.config.AuthConfig; import com.google.gwtexpui.server.CacheControlFilter; import com.google.inject.Key; import com.google.inject.Provider; import com.google.inject.internal.UniqueAnnotations; import com.google.inject.servlet.ServletModule; import org.eclipse.jgit.lib.Constants; import java.io.IOException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; class UrlModule extends ServletModule { private GerritOptions options; private AuthConfig authConfig; UrlModule(GerritOptions options, AuthConfig authConfig) { this.options = options; this.authConfig = authConfig; } @Override protected void configureServlets() { filter("/*").through(Key.get(CacheControlFilter.class)); bind(Key.get(CacheControlFilter.class)).in(SINGLETON); if (options.enableDefaultUi()) { serve("/").with(HostPageServlet.class); serve("/Gerrit").with(LegacyGerritServlet.class); serve("/Gerrit/*").with(legacyGerritScreen()); } serve("/cat/*").with(CatServlet.class); if (authConfig.getAuthType() != AuthType.OAUTH && authConfig.getAuthType() != AuthType.OPENID) { serve("/logout").with(HttpLogoutServlet.class); serve("/signout").with(HttpLogoutServlet.class); } serve("/ssh_info").with(SshInfoServlet.class); serve("/static/*").with(StaticServlet.class); serve("/Main.class").with(notFound()); serve("/com/google/gerrit/launcher/*").with(notFound()); serve("/servlet/*").with(notFound()); serve("/all").with(query("status:merged")); serve("/mine").with(screen(PageLinks.MINE)); serve("/open").with(query("status:open")); serve("/watched").with(query("is:watched status:open")); serve("/starred").with(query("is:starred")); serveRegex("^/settings/?$").with(screen(PageLinks.SETTINGS)); serveRegex("^/register/?$").with(screen(PageLinks.REGISTER + "/")); serveRegex("^/([1-9][0-9]*)/?$").with(directChangeById()); serveRegex("^/p/(.*)$").with(queryProjectNew()); serveRegex("^/r/(.+)/?$").with(DirectChangeByCommit.class); filter("/a/*").through(RequireIdentifiedUserFilter.class); serveRegex("^/(?:a/)?tools/(.*)$").with(ToolServlet.class); serveRegex("^/(?:a/)?access/(.*)$").with(AccessRestApiServlet.class); serveRegex("^/(?:a/)?accounts/(.*)$").with(AccountsRestApiServlet.class); serveRegex("^/(?:a/)?changes/(.*)$").with(ChangesRestApiServlet.class); serveRegex("^/(?:a/)?config/(.*)$").with(ConfigRestApiServlet.class); serveRegex("^/(?:a/)?groups/(.*)?$").with(GroupsRestApiServlet.class); serveRegex("^/(?:a/)?projects/(.*)?$").with(ProjectsRestApiServlet.class); filter("/Documentation/").through(QueryDocumentationFilter.class); serve("/robots.txt").with(RobotsServlet.class); } private Key<HttpServlet> notFound() { return key(new HttpServlet() { private static final long serialVersionUID = 1L; @Override protected void doGet(final HttpServletRequest req, final HttpServletResponse rsp) throws IOException { rsp.sendError(HttpServletResponse.SC_NOT_FOUND); } }); } private Key<HttpServlet> screen(final String target) { return key(new HttpServlet() { private static final long serialVersionUID = 1L; @Override protected void doGet(final HttpServletRequest req, final HttpServletResponse rsp) throws IOException { toGerrit(target, req, rsp); } }); } private Key<HttpServlet> legacyGerritScreen() { return key(new HttpServlet() { private static final long serialVersionUID = 1L; @Override protected void doGet(final HttpServletRequest req, final HttpServletResponse rsp) throws IOException { final String token = req.getPathInfo().substring(1); toGerrit(token, req, rsp); } }); } private Key<HttpServlet> directChangeById() { return key(new HttpServlet() { private static final long serialVersionUID = 1L; @Override protected void doGet(final HttpServletRequest req, final HttpServletResponse rsp) throws IOException { try { String idString = req.getPathInfo(); if (idString.endsWith("/")) { idString = idString.substring(0, idString.length() - 1); } Change.Id id = Change.Id.parse(idString); toGerrit(PageLinks.toChange(id), req, rsp); } catch (IllegalArgumentException err) { rsp.sendError(HttpServletResponse.SC_NOT_FOUND); } } }); } private Key<HttpServlet> queryProjectNew() { return key(new HttpServlet() { private static final long serialVersionUID = 1L; @Override protected void doGet(HttpServletRequest req, HttpServletResponse rsp) throws IOException { String name = req.getPathInfo(); if (Strings.isNullOrEmpty(name)) { toGerrit(PageLinks.ADMIN_PROJECTS, req, rsp); return; } while (name.endsWith("/")) { name = name.substring(0, name.length() - 1); } if (name.endsWith(Constants.DOT_GIT_EXT)) { name = name.substring(0, // name.length() - Constants.DOT_GIT_EXT.length()); } while (name.endsWith("/")) { name = name.substring(0, name.length() - 1); } Project.NameKey project = new Project.NameKey(name); toGerrit(PageLinks.toChangeQuery(PageLinks.projectQuery(project, Change.Status.NEW)), req, rsp); } }); } private Key<HttpServlet> query(final String query) { return key(new HttpServlet() { private static final long serialVersionUID = 1L; @Override protected void doGet(final HttpServletRequest req, final HttpServletResponse rsp) throws IOException { toGerrit(PageLinks.toChangeQuery(query), req, rsp); } }); } private Key<HttpServlet> key(final HttpServlet servlet) { final Key<HttpServlet> srv = Key.get(HttpServlet.class, UniqueAnnotations.create()); bind(srv).toProvider(new Provider<HttpServlet>() { @Override public HttpServlet get() { return servlet; } }).in(SINGLETON); return srv; } static void toGerrit(final String target, final HttpServletRequest req, final HttpServletResponse rsp) throws IOException { final StringBuilder url = new StringBuilder(); url.append(req.getContextPath()); url.append('/'); url.append('#'); url.append(target); rsp.sendRedirect(url.toString()); } }