com.github.triceo.robozonky.app.version.VersionCheck 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.version;
import com.github.triceo.robozonky.api.Refreshable;
import com.github.triceo.robozonky.app.util.Scheduler;
/**
* Class to perform version checks of the current version against the latest released version.
*/
public class VersionCheck {
/**
* Will retrieve the latest version available in Maven Central. Executes in single thread executor.
* @param s Scheduler to use for executing the HTTP request.
* @return Latest known release version of RoboZonky.
*/
public static Refreshable retrieveLatestVersion(final Scheduler s) {
final VersionRetriever r = new VersionRetriever();
s.submit(r);
return r;
}
public static boolean isSmallerThan(final String first, final String second) {
if (first == null || second == null) { // this is a development snapshot during tests
return false;
}
return new VersionComparator().compare(first, second) < 0;
}
}