com.atlassian.maven.plugins.jgitflow.helper.DefaultMavenExecutionHelper Maven / Gradle / Ivy

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

import java.io.File;
import java.lang.reflect.Method;
import java.util.*;

import com.atlassian.maven.plugins.jgitflow.ReleaseContext;
import com.atlassian.maven.plugins.jgitflow.exception.ReactorReloadException;

import com.google.common.base.Joiner;

import org.apache.maven.execution.MavenExecutionRequest;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.execution.ReactorManager;
import org.apache.maven.model.Profile;
import org.apache.maven.plugins.annotations.Component;
import org.apache.maven.profiles.DefaultProfileManager;
import org.apache.maven.profiles.ProfileManager;
import org.apache.maven.project.*;
import org.apache.maven.shared.release.ReleaseResult;
import org.apache.maven.shared.release.env.DefaultReleaseEnvironment;
import org.apache.maven.shared.release.env.ReleaseEnvironment;
import org.apache.maven.shared.release.exec.MavenExecutor;
import org.apache.maven.shared.release.exec.MavenExecutorException;
import org.codehaus.plexus.util.dag.CycleDetectedException;

/**
 * @since version
 */
public class DefaultMavenExecutionHelper implements MavenExecutionHelper
{
    @Component
    protected Map mavenExecutors;

    @Component
    protected MavenProjectBuilder projectBuilder;
    
    @Override
    public void execute(MavenProject project, ReleaseContext ctx, MavenSession session) throws MavenExecutorException
    {
        String goal = "clean deploy";
        
        if(ctx.isNoDeploy())
        {
            goal = "clean install";
        }
        
        execute(project,ctx,session,goal);
    }

    @Override
    public void execute(MavenProject project, ReleaseContext ctx, MavenSession session, String goals) throws MavenExecutorException
    {
        List argList = new ArrayList();

        Properties userProps = session.getUserProperties();

        for(String key : userProps.stringPropertyNames())
        {
            argList.add("-D" + key + "=" + userProps.getProperty(key));
        }

        if(ctx.isUseReleaseProfile())
        {
            argList.add("-DperformRelease=true");
        }

        for(String profileId : getActiveProfileIds(project,session))
        {
            argList.add("-P" + profileId);
        }

        String additionalArgs = Joiner.on(" ").join(argList);

        ReleaseResult result = new ReleaseResult();
        ReleaseEnvironment env = new DefaultReleaseEnvironment();
        env.setSettings(session.getSettings());
        MavenExecutor mavenExecutor = mavenExecutors.get(env.getMavenExecutorId());

        mavenExecutor.executeGoals(ctx.getBaseDir(),goals,env,ctx.isInteractive(),additionalArgs,result);

    }

    @Override
    public MavenSession reloadReactor(MavenProject rootProject, MavenSession oldSession) throws ReactorReloadException
    {
        Stack projectFiles = new Stack();
        projectFiles.push(rootProject.getFile());

        List reactorProjects = new ArrayList();
        
        try
        {
            while(!projectFiles.isEmpty())
            {
                File file = (File) projectFiles.pop();

                MavenProject project = null;
                //try maven3 first
                try
                {
                    Method getRequestMethod = oldSession.getClass().getMethod("getRequest");
                    Object mavenExecutionRequest = getRequestMethod.invoke(oldSession);
                    Method getProjectBuildingRequest = mavenExecutionRequest.getClass().getMethod("getProjectBuildingRequest");
                    Object pbr = getProjectBuildingRequest.invoke(mavenExecutionRequest);
                    Object pb = oldSession.getContainer().lookup("org.apache.maven.project.ProjectBuilder");

                    Class requestClass = Class.forName("org.apache.maven.project.ProjectBuildingRequest");
                    
                    Method buildMethod = pb.getClass().getMethod("build",File.class,requestClass);
                    Object result = buildMethod.invoke(pb,file,pbr);
                    Method getProjectMethod = result.getClass().getMethod("getProject");
                    getProjectMethod.setAccessible(true);
                    project = (MavenProject) getProjectMethod.invoke(result);
                }
                catch (Exception e)
                {
                    project = projectBuilder.build(file,oldSession.getProjectBuilderConfiguration());
                }
                
                project.setActiveProfiles(rootProject.getActiveProfiles());
                List moduleNames = project.getModules();
                
                for(String moduleName : moduleNames)
                {
                	//if moduleName is a file treat as explicitly defined pom.xml
                	File baseFile = new File(file.getParentFile(), moduleName);
                	if(baseFile.isFile()){
                		projectFiles.push(baseFile);
                	}else{
                		projectFiles.push(new File(baseFile, File.separator + "pom.xml"));
                	}
                	
                }
    
                reactorProjects.add(project);
            }
    
            ReactorManager reactorManager = new ReactorManager(reactorProjects);
            MavenSession newSession = new MavenSession(
                    oldSession.getContainer()
                    ,oldSession.getSettings()
                    ,oldSession.getLocalRepository()
                    ,oldSession.getEventDispatcher()
                    ,reactorManager
                    ,oldSession.getGoals()
                    ,oldSession.getExecutionRootDirectory()
                    ,oldSession.getExecutionProperties()
                    ,oldSession.getUserProperties()
                    ,oldSession.getStartTime()
            );
            
            //in case of maven 3
            try
            {
                Method setProjectsMethod = newSession.getClass().getMethod("setProjects",List.class);
                setProjectsMethod.invoke(newSession,reactorManager.getSortedProjects());
            }
            catch (Exception ignore)
            {
                //ignore
            }
            
            return newSession;
        }
        catch (Exception e)
        {
            throw new ReactorReloadException("Error reloading Maven reacotr projects", e);
        }
        
    }

    private List getActiveProfileIds(MavenProject project, MavenSession session)
    {
        List profiles = new ArrayList();
        try
        {
            // Try to use M3-methods
            Method getRequestMethod = session.getClass().getMethod( "getRequest" );
            Object mavenExecutionRequest = getRequestMethod.invoke( session );
            Method getActiveProfilesMethod = mavenExecutionRequest.getClass().getMethod( "getActiveProfiles" );
            profiles = (List) getActiveProfilesMethod.invoke( mavenExecutionRequest );
        }
        catch ( Exception e )
        {
            //do nothing
        }

        if ( project.getActiveProfiles() != null && !project.getActiveProfiles().isEmpty() )
        {
            for ( Object profile : project.getActiveProfiles() )
            {
                profiles.add( ( (Profile) profile ).getId() );
            }
        }
        return profiles;
    }
    
}