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// 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.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.PrettifyServlet;
import com.google.gerrit.httpd.raw.SshInfoServlet;
import com.google.gerrit.httpd.raw.StaticServlet;
import com.google.gerrit.reviewdb.RevId;
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 java.io.IOException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
class UrlModule extends ServletModule {
@Override
protected void configureServlets() {
filter("/*").through(Key.get(CacheControlFilter.class));
bind(Key.get(CacheControlFilter.class)).in(SINGLETON);
serve("/").with(HostPageServlet.class);
serve("/Gerrit").with(LegacyGerritServlet.class);
serve("/Gerrit/*").with(legacyGerritScreen());
serve("/cat/*").with(CatServlet.class);
serve("/logout").with(HttpLogoutServlet.class);
serve("/prettify/*").with(PrettifyServlet.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(screen(PageLinks.ALL_MERGED));
serve("/mine").with(screen(PageLinks.MINE));
serve("/open").with(screen(PageLinks.ALL_OPEN));
serve("/settings").with(screen(PageLinks.SETTINGS));
serve("/starred").with(screen(PageLinks.MINE_STARRED));
serveRegex( //
"^/([1-9][0-9]*)/?$", //
"^/r/([0-9a-fA-F]{4," + RevId.LEN + "})/?$" //
).with(changeQuery());
}
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> changeQuery() {
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(req.getPathInfo()), 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;
}
private 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());
}
}
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