From c9362d3f23f950bb6987c63c67b06528de3ce100 Mon Sep 17 00:00:00 2001
From: Mikolaj Izdebski <mizdebsk@redhat.com>
Date: Thu, 23 Jan 2020 12:50:42 +0100
Subject: [PATCH] Initial PoC of XMvn toolchain manager

---
 .../aether/XMvnMavenLifecycleParticipant.java | 38 +++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/xmvn-connector-aether/src/main/java/org/fedoraproject/xmvn/connector/aether/XMvnMavenLifecycleParticipant.java b/xmvn-connector-aether/src/main/java/org/fedoraproject/xmvn/connector/aether/XMvnMavenLifecycleParticipant.java
index 0e360488..ddd6151b 100644
--- a/xmvn-connector-aether/src/main/java/org/fedoraproject/xmvn/connector/aether/XMvnMavenLifecycleParticipant.java
+++ b/xmvn-connector-aether/src/main/java/org/fedoraproject/xmvn/connector/aether/XMvnMavenLifecycleParticipant.java
@@ -15,10 +15,15 @@
  */
 package org.fedoraproject.xmvn.connector.aether;
 
+import java.util.Collections;
+
 import org.apache.maven.AbstractMavenLifecycleParticipant;
 import org.apache.maven.MavenExecutionException;
 import org.apache.maven.execution.MavenExecutionRequest;
 import org.apache.maven.execution.MavenSession;
+import org.apache.maven.project.MavenProject;
+import org.apache.maven.toolchain.MisconfiguredToolchainException;
+import org.apache.maven.toolchain.ToolchainManagerPrivate;
 import org.codehaus.plexus.component.annotations.Component;
 import org.codehaus.plexus.component.annotations.Requirement;
 import org.codehaus.plexus.logging.Logger;
@@ -42,6 +47,9 @@ public class XMvnMavenLifecycleParticipant
     @Requirement( role = XMvnMojoExecutionListener.class )
     private XMvnMojoExecutionListener mojoExecutionListener;
 
+    @Requirement
+    private ToolchainManagerPrivate toolchainManager;
+
     @Override
     public void afterSessionStart( MavenSession session )
         throws MavenExecutionException
@@ -61,4 +69,34 @@ public class XMvnMavenLifecycleParticipant
         chainedListener.addExecutionListener( reportGenerator );
         request.setExecutionListener( chainedListener );
     }
+
+    @Override
+    public void afterProjectsRead( MavenSession session )
+        throws MavenExecutionException
+    {
+        MavenProject currentProject = session.getCurrentProject();
+
+        try
+        {
+            for ( var toolchain : toolchainManager.getToolchainsForType( "jdk", session ) )
+            {
+                if ( toolchain.matchesRequirements( Collections.singletonMap( "xmvn", "xmvn" ) ) )
+                {
+                    for ( var project : session.getAllProjects() )
+                    {
+                        session.setCurrentProject( project );
+                        toolchainManager.storeToolchainToBuildContext( toolchain, session );
+                    }
+                }
+            }
+        }
+        catch ( MisconfiguredToolchainException e )
+        {
+            throw new MavenExecutionException( "Unable to configure toolchains", e );
+        }
+        finally
+        {
+            session.setCurrentProject( currentProject );
+        }
+    }
 }
-- 
2.21.0