| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.qpid.server.model; |
| |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| public class ModelVersion |
| { |
| private static final Pattern MODEL_VERSION_PATTERN = Pattern.compile("^(\\d+)\\.(\\d+)$"); |
| |
| private final int _major; |
| private final int _minor; |
| |
| public static ModelVersion fromString(String versionString) |
| { |
| if (versionString == null) |
| { |
| throw new IllegalArgumentException("Cannot parse null"); |
| } |
| final Matcher matcher = MODEL_VERSION_PATTERN.matcher(versionString); |
| if (!matcher.matches()) |
| { |
| throw new IllegalArgumentException(String.format("Could not parse model version string '%s'", versionString)); |
| } |
| return new ModelVersion(Integer.parseInt(matcher.group(1)), Integer.parseInt(matcher.group(2))); |
| } |
| |
| public ModelVersion(final int major, final int minor) |
| { |
| _major = major; |
| _minor = minor; |
| } |
| |
| public int getMajor() |
| { |
| return _major; |
| } |
| |
| public int getMinor() |
| { |
| return _minor; |
| } |
| |
| public boolean lessThan(ModelVersion other) |
| { |
| return (getMajor() < other.getMajor() || (getMajor() == other.getMajor() && getMinor() < other.getMinor())); |
| } |
| |
| @Override |
| public String toString() |
| { |
| return _major + "." + _minor; |
| } |
| } |