keycloak-scim/server-spi-private/src/main/java/org/keycloak/migration/ModelVersion.java

135 lines
3.5 KiB
Java
Executable file

/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* 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 org.keycloak.migration;
import org.jboss.logging.Logger;
/**
* @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
* @version $Revision: 1 $
*/
public class ModelVersion {
private static Logger logger = Logger.getLogger(ModelVersion.class);
int major;
int minor;
int micro;
String qualifier;
boolean snapshot;
public ModelVersion(int major, int minor, int micro) {
this.major = major;
this.minor = minor;
this.micro = micro;
}
public ModelVersion(String version) {
if (version.endsWith("-SNAPSHOT") || version.endsWith("-snapshot")) {
snapshot = true;
version = version.substring(0, version.length() - 9);
}
String[] split = version.split("\\.");
try {
if (split.length > 0) {
major = Integer.parseInt(split[0]);
}
if (split.length > 1) {
minor = Integer.parseInt(split[1]);
}
if (split.length > 2) {
micro = Integer.parseInt(split[2]);
}
if (split.length > 3) {
qualifier = split[3];
}
} catch (NumberFormatException e) {
logger.warn("failed to parse version: " + version, e);
}
}
public int getMajor() {
return major;
}
public int getMinor() {
return minor;
}
public int getMicro() {
return micro;
}
public String getQualifier() {
return qualifier;
}
public boolean isSnapshot() {
return snapshot;
}
public boolean lessThan(ModelVersion version) {
if (major < version.major) {
return true;
} else if (major > version.major) {
return false;
}
if (minor < version.minor) {
return true;
} else if (minor > version.minor) {
return false;
}
if (micro < version.micro) {
return true;
} else if (minor > version.minor) {
return false;
}
if (qualifier != null && qualifier.equals(version.qualifier)) return false;
if (qualifier == null) return false;
if (version.qualifier == null) return true;
int comp = qualifier.compareTo(version.qualifier);
if (comp < 0) {
return true;
} else if (comp > 0){
return false;
}
if (snapshot && !version.snapshot) {
return true;
}
return false;
}
@Override
public boolean equals(Object obj) {
if (!(obj instanceof ModelVersion)) {
return false;
}
ModelVersion v = (ModelVersion) obj;
return v.getMajor() == major && v.getMinor() == minor && v.getMicro() == micro;
}
@Override
public String toString() {
return major + "." + minor + "." + micro;
}
}