108 lines
3.2 KiB
Java
108 lines
3.2 KiB
Java
// 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.gitweb;
|
|
|
|
import static com.google.gerrit.common.FileUtil.lastModified;
|
|
import static java.nio.charset.StandardCharsets.UTF_8;
|
|
|
|
import com.google.gerrit.httpd.HtmlDomUtil;
|
|
import com.google.gerrit.server.config.GitwebCgiConfig;
|
|
import com.google.gerrit.server.config.SitePaths;
|
|
import com.google.gwtexpui.server.CacheHeaders;
|
|
import com.google.gwtjsonrpc.server.RPCServletUtils;
|
|
import com.google.inject.Inject;
|
|
import com.google.inject.Singleton;
|
|
import java.io.IOException;
|
|
import java.nio.file.Path;
|
|
import java.util.concurrent.TimeUnit;
|
|
import javax.servlet.ServletOutputStream;
|
|
import javax.servlet.http.HttpServlet;
|
|
import javax.servlet.http.HttpServletRequest;
|
|
import javax.servlet.http.HttpServletResponse;
|
|
|
|
@SuppressWarnings("serial")
|
|
abstract class GitwebCssServlet extends HttpServlet {
|
|
@Singleton
|
|
static class Site extends GitwebCssServlet {
|
|
@Inject
|
|
Site(SitePaths paths) throws IOException {
|
|
super(paths.site_css);
|
|
}
|
|
}
|
|
|
|
@Singleton
|
|
static class Default extends GitwebCssServlet {
|
|
@Inject
|
|
Default(GitwebCgiConfig gwcc) throws IOException {
|
|
super(gwcc.getGitwebCss());
|
|
}
|
|
}
|
|
|
|
private final long modified;
|
|
private final byte[] raw_css;
|
|
private final byte[] gz_css;
|
|
|
|
GitwebCssServlet(Path src) throws IOException {
|
|
if (src != null) {
|
|
final Path dir = src.getParent();
|
|
final String name = src.getFileName().toString();
|
|
final String raw = HtmlDomUtil.readFile(dir, name);
|
|
if (raw != null) {
|
|
modified = lastModified(src);
|
|
raw_css = raw.getBytes(UTF_8);
|
|
gz_css = HtmlDomUtil.compress(raw_css);
|
|
} else {
|
|
modified = -1L;
|
|
raw_css = null;
|
|
gz_css = null;
|
|
}
|
|
} else {
|
|
modified = -1;
|
|
raw_css = null;
|
|
gz_css = null;
|
|
}
|
|
}
|
|
|
|
@Override
|
|
protected long getLastModified(HttpServletRequest req) {
|
|
return modified;
|
|
}
|
|
|
|
@Override
|
|
protected void doGet(HttpServletRequest req, HttpServletResponse rsp) throws IOException {
|
|
if (raw_css != null) {
|
|
rsp.setContentType("text/css");
|
|
rsp.setCharacterEncoding(UTF_8.name());
|
|
final byte[] toSend;
|
|
if (RPCServletUtils.acceptsGzipEncoding(req)) {
|
|
rsp.setHeader("Content-Encoding", "gzip");
|
|
toSend = gz_css;
|
|
} else {
|
|
toSend = raw_css;
|
|
}
|
|
rsp.setContentLength(toSend.length);
|
|
rsp.setDateHeader("Last-Modified", modified);
|
|
CacheHeaders.setCacheable(req, rsp, 5, TimeUnit.MINUTES);
|
|
|
|
try (ServletOutputStream os = rsp.getOutputStream()) {
|
|
os.write(toSend);
|
|
}
|
|
} else {
|
|
CacheHeaders.setNotCacheable(rsp);
|
|
rsp.sendError(HttpServletResponse.SC_NOT_FOUND);
|
|
}
|
|
}
|
|
}
|