001/*
002 * Licensed under the Apache License, Version 2.0 (the "License");
003 * you may not use this file except in compliance with the License.
004 * You may obtain a copy of the License at
005 *
006 * http://www.apache.org/licenses/LICENSE-2.0
007 *
008 * Unless required by applicable law or agreed to in writing, software
009 * distributed under the License is distributed on an "AS IS" BASIS,
010 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
011 * See the License for the specific language governing permissions and
012 * limitations under the License.
013 */
014
015package org.basepom.mojo.dvc.strategy;
016
017import static com.google.common.base.Preconditions.checkNotNull;
018
019import javax.inject.Named;
020import javax.inject.Singleton;
021
022import org.apache.maven.artifact.versioning.ArtifactVersion;
023import org.apache.maven.artifact.versioning.ComparableVersion;
024import org.apache.maven.artifact.versioning.DefaultArtifactVersion;
025
026/**
027 * Single Digit, may have a prefix. Assume that larger numbers are backwards compatible.
028 * <p>
029 * e.g. used for google guava.
030 */
031@Named("single-digit")
032@Singleton
033public class SingleDigitVersionStrategy
034        implements Strategy {
035
036    @Override
037    public String getName() {
038        return "single-digit";
039    }
040
041    @Override
042    public boolean isCompatible(final ComparableVersion expectedVersion, final ComparableVersion resolvedVersion) {
043        final ArtifactVersion aprExpectedVersion = new DefaultArtifactVersion(checkNotNull(expectedVersion, "expectedVersion is null").getCanonical());
044        final ArtifactVersion aprResolvedVersion = new DefaultArtifactVersion(checkNotNull(resolvedVersion, "resolvedVersion is null").getCanonical());
045
046        return aprResolvedVersion.getMajorVersion() >= aprExpectedVersion.getMajorVersion();
047    }
048}