com.github.triceo.robozonky.app.VersionChecker Maven / Gradle / Ivy
/*
* Copyright 2017 Lukáš Petrovický
*
* 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.github.triceo.robozonky.app;
import java.util.Optional;
import java.util.function.Consumer;
import com.github.triceo.robozonky.api.Refreshable;
import com.github.triceo.robozonky.app.version.VersionCheck;
import com.github.triceo.robozonky.app.version.VersionIdentifier;
import com.github.triceo.robozonky.internal.api.Defaults;
import com.github.triceo.robozonky.util.Scheduler;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Executes a version check on the background.
*/
class VersionChecker implements ShutdownHook.Handler {
private static final Logger LOGGER = LoggerFactory.getLogger(VersionChecker.class);
@Override
public Optional> get() {
final Refreshable r = VersionCheck.retrieveLatestVersion(Scheduler.BACKGROUND_SCHEDULER);
return Optional.of((code) -> VersionChecker.newerRoboZonkyVersionExists(r));
}
static boolean newerRoboZonkyVersionExists(final VersionIdentifier version, final String currentVersion) {
final String latestStable = version.getLatestStable();
final boolean hasNewerStable = VersionCheck.isSmallerThan(currentVersion, latestStable);
if (hasNewerStable) {
VersionChecker.LOGGER.info("You are using an obsolete version of RoboZonky. Please upgrade to {}.",
latestStable);
return true;
}
// check for latest unstable version
final Optional latestUnstable = version.getLatestUnstable();
final boolean hasNewerUnstable =
latestUnstable.isPresent() && VersionCheck.isSmallerThan(currentVersion, latestUnstable.get());
if (hasNewerUnstable) {
VersionChecker.LOGGER.info("You are using the latest stable version of RoboZonky.");
VersionChecker.LOGGER.info("There is a new beta version of RoboZonky available. Try version {}, " +
" if you feel adventurous.", latestUnstable.get());
return true;
} else {
VersionChecker.LOGGER.info("You are using the latest version of RoboZonky.");
return false;
}
}
private static boolean newerRoboZonkyVersionExists(final VersionIdentifier version) {
return VersionChecker.newerRoboZonkyVersionExists(version, Defaults.ROBOZONKY_VERSION);
}
/**
* Check the current version against a different version. Print log message with results.
* @param version Version to check against.
* @return True when a more recent version was found.
*/
static boolean newerRoboZonkyVersionExists(final Refreshable version) {
return version.getLatest().map(VersionChecker::newerRoboZonkyVersionExists).orElse(false);
}
}