com.amashchenko.maven.plugin.gitflow.GitFlowVersionInfo Maven / Gradle / Ivy

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The Git-Flow Maven Plugin supports various Git workflows, including Vincent Driessen's successful Git branching model and GitHub Flow. This plugin runs Git and Maven commands from the command line. Supports Eclipse Plugins build with Tycho.

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/*
 * Copyright 2014-2020 Aleksandr Mashchenko.
 *
 * 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.amashchenko.maven.plugin.gitflow;

import java.util.List;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.shared.release.versions.DefaultVersionInfo;
import org.apache.maven.shared.release.versions.VersionInfo;
import org.apache.maven.shared.release.versions.VersionParseException;
import org.codehaus.plexus.util.StringUtils;

/**
 * Git flow {@link VersionInfo} implementation. Adds few convenient methods.
 * 
 */
public class GitFlowVersionInfo extends DefaultVersionInfo {

    public GitFlowVersionInfo(final String version)
            throws VersionParseException {
        super(version);
    }

    /**
     * Returns a new GitFlowVersionInfo that holds only digits in the version.
     * 
     * @return Digits only GitFlowVersionInfo instance.
     * @throws VersionParseException
     */
    public GitFlowVersionInfo digitsVersionInfo() throws VersionParseException {
        return new GitFlowVersionInfo(joinDigitString(getDigits()));
    }

    /**
     * Validates version.
     * 
     * @param version
     *            Version to validate.
     * @return true when version is valid, false
     *         otherwise.
     */
    public static boolean isValidVersion(final String version) {
        return StringUtils.isNotBlank(version)
                && (ALTERNATE_PATTERN.matcher(version).matches() || STANDARD_PATTERN
                        .matcher(version).matches());
    }

    /**
     * Gets next SNAPSHOT version.
     * 
     * @return Next SNAPSHOT version.
     */
    public String nextSnapshotVersion() {
        return nextSnapshotVersion(null);
    }

    /**
     * Gets next SNAPSHOT version. If index is null or not valid
     * then it delegates to {@link #getNextVersion()} method.
     * 
     * @param index
     *            Which part of version to increment.
     * @return Next SNAPSHOT version.
     */
    public String nextSnapshotVersion(final Integer index) {
        List digits = getDigits();

        String nextVersion = null;

        if (digits != null) {
            if (index != null && index >= 0 && index < digits.size()) {
                int origDigitsLength = joinDigitString(digits).length();
                digits.set(index,
                        incrementVersionString((String) digits.get(index)));
                for (int i = index + 1; i < digits.size(); i++) {
                    digits.set(i, "0");
                }
                String digitsStr = joinDigitString(digits);
                nextVersion = digitsStr
                        + getSnapshotVersionString()
                                .substring(origDigitsLength);
            } else {
                nextVersion = getNextVersion().getSnapshotVersionString();
            }
        } else {
            nextVersion = getSnapshotVersionString();
        }
        return nextVersion;
    }

    /**
     * Gets version with appended feature name.
     * 
     * @param featureName
     *            Feature name to append.
     * @return Version with appended feature name.
     */
    public String featureVersion(final String featureName) {
        String version = toString();
        if (featureName != null) {
            version = getReleaseVersionString() + "-" + featureName
                    + (isSnapshot() ? "-" + Artifact.SNAPSHOT_VERSION : "");
        }
        return version;
    }

    /**
     * Gets next hotfix version.
     * 
     * @param preserveSnapshot
     *            Whether to preserve SNAPSHOT in the version.
     * @return Next version.
     */
    public String hotfixVersion(boolean preserveSnapshot) {
        return (preserveSnapshot && isSnapshot()) ? getNextVersion()
                .getSnapshotVersionString() : getNextVersion()
                .getReleaseVersionString();
    }
}