com.atlassian.maven.plugins.jgitflow.manager.tasks.VerifyInitialVersionState Maven / Gradle / Ivy

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A maven plugin to support doing git-flow releases
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package com.atlassian.maven.plugins.jgitflow.manager.tasks;

import java.util.List;

import com.atlassian.jgitflow.core.BranchType;
import com.atlassian.jgitflow.core.JGitFlow;
import com.atlassian.maven.plugins.jgitflow.ReleaseContext;
import com.atlassian.maven.plugins.jgitflow.VersionState;
import com.atlassian.maven.plugins.jgitflow.exception.MavenJGitFlowException;
import com.atlassian.maven.plugins.jgitflow.exception.UnresolvedSnapshotsException;
import com.atlassian.maven.plugins.jgitflow.helper.ProjectHelper;
import com.atlassian.maven.plugins.jgitflow.provider.ContextProvider;
import com.atlassian.maven.plugins.jgitflow.provider.JGitFlowProvider;
import com.atlassian.maven.plugins.jgitflow.provider.ProjectCacheKey;

import com.google.common.base.Joiner;

import org.apache.maven.project.MavenProject;
import org.codehaus.plexus.component.annotations.Component;
import org.codehaus.plexus.component.annotations.Requirement;

import static com.google.common.base.Preconditions.checkNotNull;

@Component(role = VerifyInitialVersionState.class)
public class VerifyInitialVersionState
{
    public static final String ls = System.getProperty("line.separator");

    @Requirement
    private JGitFlowProvider jGitFlowProvider;

    @Requirement
    private ProjectHelper projectHelper;

    @Requirement
    private ContextProvider contextProvider;

    public void run(final BranchType branchType, List branchProjects) throws MavenJGitFlowException
    {
        try
        {
            JGitFlow flow = jGitFlowProvider.gitFlow();
            ReleaseContext ctx = contextProvider.getContext();

            VersionState initialVersionState = null;
            ProjectCacheKey cacheKey = null;

            switch (branchType)
            {
                case RELEASE:
                    initialVersionState = VersionState.SNAPSHOT;
                    cacheKey = ProjectCacheKey.DEVELOP_BRANCH;
                    break;

                case HOTFIX:
                    initialVersionState = VersionState.RELEASE;
                    cacheKey = ProjectCacheKey.MASTER_BRANCH;
                    break;

                case FEATURE:
                    initialVersionState = VersionState.SNAPSHOT;
                    cacheKey = ProjectCacheKey.DEVELOP_BRANCH;
                    break;
            }

            checkNotNull(initialVersionState);
            checkNotNull(cacheKey);

            projectHelper.checkPomForVersionState(initialVersionState, branchProjects);

            if (!ctx.isAllowSnapshots())
            {
                List snapshots = projectHelper.checkForNonReactorSnapshots(cacheKey, branchProjects);
                if (!snapshots.isEmpty())
                {
                    String details = Joiner.on(ls).join(snapshots);
                    throw new UnresolvedSnapshotsException("Cannot start a " + branchType.name().toLowerCase() + " due to snapshot dependencies:" + ls + details);
                }
            }
        }
        catch (Exception e)
        {
            throw new MavenJGitFlowException("Error verifying initial version state in poms: " + e.getMessage(), e);
        }
    }

}