90 lines
2.6 KiB
Java
90 lines
2.6 KiB
Java
// Copyright (C) 2010 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 com.google.gerrit.httpd.GitWebConfig;
|
|
import com.google.inject.Inject;
|
|
import com.google.inject.Singleton;
|
|
|
|
import org.eclipse.jgit.util.IO;
|
|
|
|
import java.io.File;
|
|
import java.io.FileNotFoundException;
|
|
import java.io.IOException;
|
|
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")
|
|
@Singleton
|
|
class GitWebJavaScriptServlet extends HttpServlet {
|
|
private static final long MAX_AGE =
|
|
TimeUnit.MILLISECONDS.convert(5, TimeUnit.MINUTES);
|
|
private static final String CACHE_CTRL =
|
|
"public, max-age=" + (MAX_AGE / 1000L);
|
|
|
|
private final long modified;
|
|
private final byte[] raw;
|
|
|
|
@Inject
|
|
GitWebJavaScriptServlet(final GitWebConfig gitWebConfig) throws IOException {
|
|
byte[] png;
|
|
final File src = gitWebConfig.getGitwebJS();
|
|
if (src != null) {
|
|
try {
|
|
png = IO.readFully(src);
|
|
} catch (FileNotFoundException e) {
|
|
png = null;
|
|
}
|
|
modified = src.lastModified();
|
|
} else {
|
|
modified = -1;
|
|
png = null;
|
|
}
|
|
raw = png;
|
|
}
|
|
|
|
@Override
|
|
protected long getLastModified(final HttpServletRequest req) {
|
|
return modified;
|
|
}
|
|
|
|
@Override
|
|
protected void doGet(final HttpServletRequest req,
|
|
final HttpServletResponse rsp) throws IOException {
|
|
if (raw != null) {
|
|
final long now = System.currentTimeMillis();
|
|
rsp.setContentType("text/javascript");
|
|
rsp.setContentLength(raw.length);
|
|
rsp.setHeader("Cache-Control", CACHE_CTRL);
|
|
rsp.setDateHeader("Date", now);
|
|
rsp.setDateHeader("Expires", now + MAX_AGE);
|
|
rsp.setDateHeader("Last-Modified", modified);
|
|
|
|
final ServletOutputStream os = rsp.getOutputStream();
|
|
try {
|
|
os.write(raw);
|
|
} finally {
|
|
os.close();
|
|
}
|
|
} else {
|
|
rsp.sendError(HttpServletResponse.SC_NOT_FOUND);
|
|
}
|
|
}
|
|
}
|