com.google.gerrit.common.Version Maven / Gradle / Ivy
// 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.common;
import static java.nio.charset.StandardCharsets.UTF_8;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.flogger.FluentLogger;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
public class Version {
private static final FluentLogger logger = FluentLogger.forEnclosingClass();
@VisibleForTesting static final String DEV = "(dev)";
private static final String VERSION;
public static String getVersion() {
return VERSION;
}
static {
VERSION = loadVersion();
}
private static String loadVersion() {
try (InputStream in = Version.class.getResourceAsStream("Version")) {
if (in == null) {
return DEV;
}
try (BufferedReader r = new BufferedReader(new InputStreamReader(in, UTF_8))) {
String vs = r.readLine();
if (vs != null && vs.startsWith("v")) {
vs = vs.substring(1);
}
if (vs != null && vs.isEmpty()) {
vs = null;
}
return vs;
}
} catch (IOException e) {
logger.atSevere().withCause(e).log("%s", e.getMessage());
return "(unknown version)";
}
}
private Version() {}
}