From 589cb40ca4a843e7d1d0a8ceed7f66d3659cbf9c Mon Sep 17 00:00:00 2001
From: Mark Donszelmann <Mark.Donszelmann@gmail.com>
Date: Wed, 4 Nov 2009 22:25:31 +0100
Subject: Fixed NAR-73

---
 .../java/org/apache/maven/plugin/nar/Javah.java    | 28 +++++++++++++++++++---
 1 file changed, 25 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/main/java/org/apache/maven/plugin/nar/Javah.java b/src/main/java/org/apache/maven/plugin/nar/Javah.java
index 1ea908a..e727bcb 100644
--- a/src/main/java/org/apache/maven/plugin/nar/Javah.java
+++ b/src/main/java/org/apache/maven/plugin/nar/Javah.java
@@ -236,9 +236,8 @@ public class Javah
                     getJniDirectory().mkdirs();
                     getTimestampDirectory().mkdirs();
 
-                    File javahFile = new File( mojo.getJavaHome( mojo.getAOL() ), "bin" );
-                    String javah = new File( javahFile, name ).getAbsolutePath();
-
+                    String javah = getJavah();
+                    
                     mojo.getLog().info( "Running " + javah + " compiler on " + files.size() + " classes..." );
                     int result = NarUtil.runCommand( javah, generateArgs( files ), null, null, mojo.getLog() );
                     if ( result != 0 )
@@ -298,6 +297,29 @@ public class Javah
         return (String[]) args.toArray( new String[args.size()] );
     }
     
+    private String getJavah() throws MojoExecutionException, MojoFailureException {
+        String javah = null;
+
+        // try toolchain
+        Toolchain toolchain = getToolchain();
+        if (toolchain != null) {
+            javah = toolchain.findTool( "javah" );
+        }
+
+        // try java home
+        if (javah == null) {
+            File javahFile = new File( mojo.getJavaHome( mojo.getAOL() ), "bin" );
+            javah = new File( javahFile, name ).getAbsolutePath();
+        }
+        
+        // forget it...
+        if (javah == null) {
+            throw new MojoExecutionException( "NAR: Cannot find 'javah' in Toolchain or on JavaHome" );
+        }
+        
+        return javah;
+    }
+    
     //TODO remove the part with ToolchainManager lookup once we depend on
     //2.0.9 (have it as prerequisite). Define as regular component field then.
     private Toolchain getToolchain()
-- 
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