org.cryptomator.frontend.webdav.VersionCompare Maven / Gradle / Ivy

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Embedded Jetty serving a WebDAV servlet to access resources at a given NIO path.

There is a newer version: 2.0.7

package org.cryptomator.frontend.webdav;

/**
 * from: https://www.baeldung.com/java-comparing-versions#customSolution
 */
public class VersionCompare {

	public static int compareVersions(String version1, String version2) {
		int comparisonResult = 0;

		String[] version1Splits = version1.split("\\.");
		String[] version2Splits = version2.split("\\.");
		int maxLengthOfVersionSplits = Math.max(version1Splits.length, version2Splits.length);

		for (int i = 0; i < maxLengthOfVersionSplits; i++) {
			Integer v1 = i < version1Splits.length ? Integer.parseInt(version1Splits[i]) : 0;
			Integer v2 = i < version2Splits.length ? Integer.parseInt(version2Splits[i]) : 0;
			int compare = v1.compareTo(v2);
			if (compare != 0) {
				comparisonResult = compare;
				break;
			}
		}
		return comparisonResult;
	}

}