com.google.gerrit.httpd.raw.PolyGerritUiServlet Maven / Gradle / Ivy
// Copyright (C) 2015 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.raw;
import com.google.common.cache.Cache;
import com.google.gerrit.server.util.time.TimeUtil;
import java.io.IOException;
import java.nio.file.FileSystems;
import java.nio.file.Path;
import java.nio.file.attribute.FileTime;
class PolyGerritUiServlet extends ResourceServlet {
private static final long serialVersionUID = 1L;
private static final FileTime NOW = FileTime.fromMillis(TimeUtil.nowMs());
private final Path ui;
PolyGerritUiServlet(Cache cache, Path ui) {
super(cache, true);
this.ui = ui;
}
@Override
protected Path getResourcePath(String pathInfo) {
return ui.resolve(pathInfo);
}
@Override
protected FileTime getLastModifiedTime(Path p) throws IOException {
if (ui.getFileSystem().equals(FileSystems.getDefault())) {
// Assets are being served from disk, so we can trust the mtime.
return super.getLastModifiedTime(p);
}
// Assume this FileSystem is serving from a WAR. All WAR outputs from the build process have
// mtimes of 1980/1/1, so we can't trust it, and return the initialization time of this class
// instead.
return NOW;
}
}