File 0001-Simple-implementation-of-toolchains-https-github.com.patch of Package xmvn-connector.28016

From acb236f878b020722512b1ce0ba20329500083c2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fridrich=20=C5=A0trba?= <fridrich.strba@bluewin.ch>
Date: Sat, 7 May 2022 18:13:02 +0200
Subject: [PATCH 1/2] Simple implementation of toolchains
 https://github.com/fedora-java/xmvn/issues/142

---
 .../fedoraproject/xmvn/mojo/JavadocMojo.java    | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/xmvn-mojo/src/main/java/org/fedoraproject/xmvn/mojo/JavadocMojo.java b/xmvn-mojo/src/main/java/org/fedoraproject/xmvn/mojo/JavadocMojo.java
index b2cd41fd..2b06e702 100644
--- a/xmvn-mojo/src/main/java/org/fedoraproject/xmvn/mojo/JavadocMojo.java
+++ b/xmvn-mojo/src/main/java/org/fedoraproject/xmvn/mojo/JavadocMojo.java
@@ -45,6 +45,8 @@ import org.apache.maven.project.DependencyResolutionRequest;
 import org.apache.maven.project.DependencyResolutionResult;
 import org.apache.maven.project.MavenProject;
 import org.apache.maven.project.ProjectDependenciesResolver;
+import org.apache.maven.toolchain.Toolchain;
+import org.apache.maven.toolchain.ToolchainManager;
 import org.codehaus.plexus.logging.Logger;
 import org.codehaus.plexus.util.StringUtils;
 import org.eclipse.aether.util.filter.AndDependencyFilter;
@@ -69,6 +71,9 @@ public class JavadocMojo
     @Component
     private Configurator confugurator;
 
+    @Component
+    private ToolchainManager toolchainManager;
+
     @Parameter( defaultValue = "${session}", readonly = true )
     private MavenSession session;
 
@@ -161,8 +166,18 @@ public class JavadocMojo
     public void execute()
         throws MojoExecutionException, MojoFailureException
     {
+        String javadocTool = null;
+        Toolchain tc = toolchainManager.getToolchainFromBuildContext( "jdk", session );
+        if ( tc != null )
+        {
+            javadocTool = tc.findTool( "javadoc" );
+        }
         Path javadocExecutable;
-        if ( System.getenv().containsKey( "JAVA_HOME" ) )
+        if ( javadocTool != null && !javadocTool.isEmpty() )
+        {
+            javadocExecutable = Paths.get( javadocTool );
+        }
+        else if ( System.getenv().containsKey( "JAVA_HOME" ) )
         {
             javadocExecutable = Paths.get( System.getenv( "JAVA_HOME" ) ) //
                                      .resolve( "bin" ) //
-- 
2.36.0