From 327a7e538d35ca6a582e2d812a2d1c8afd625d17 Mon Sep 17 00:00:00 2001
From: Mark Donszelmann <Mark.Donszelmann@gmail.com>
Date: Sat, 31 Oct 2009 08:57:43 +0100
Subject: Libs now in correct place in target, part of NAR-90

---
 .../org/apache/maven/plugin/nar/NarSystemMojo.java | 121 +++++++++++++++++++++
 1 file changed, 121 insertions(+)
 create mode 100644 src/main/java/org/apache/maven/plugin/nar/NarSystemMojo.java

(limited to 'src/main/java/org/apache/maven/plugin/nar/NarSystemMojo.java')

diff --git a/src/main/java/org/apache/maven/plugin/nar/NarSystemMojo.java b/src/main/java/org/apache/maven/plugin/nar/NarSystemMojo.java
new file mode 100644
index 0000000..13d4e18
--- /dev/null
+++ b/src/main/java/org/apache/maven/plugin/nar/NarSystemMojo.java
@@ -0,0 +1,121 @@
+package org.apache.maven.plugin.nar;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.Iterator;
+
+import org.apache.maven.plugin.MojoExecutionException;
+import org.apache.maven.plugin.MojoFailureException;
+
+/**
+ * Generates a NarSystem class with static methods to use inside the java part of the library.
+ * 
+ * @goal nar-system-generate
+ * @phase generate-sources
+ * @requiresProject
+ * @author Mark Donszelmann
+ */
+public class NarSystemMojo
+    extends AbstractCompileMojo
+{
+
+    public void execute()
+        throws MojoExecutionException, MojoFailureException
+    {
+        if ( shouldSkip() )
+            return;
+
+        // get packageName if specified for JNI.
+        String packageName = null;
+        String narSystemName = null;
+        String narSystemDirectory = null;
+        boolean jniFound = false;
+        for ( Iterator i = getLibraries().iterator(); !jniFound && i.hasNext(); )
+        {
+            Library library = (Library) i.next();
+            if ( library.getType().equals( Library.JNI ) )
+            {
+                packageName = library.getNarSystemPackage();
+                narSystemName = library.getNarSystemName();
+                narSystemDirectory = library.getNarSystemDirectory();
+                jniFound = true;
+            }
+        }
+        
+        if ( !jniFound || packageName == null)
+            return;
+
+        File narSystemTarget = new File(getMavenProject().getBasedir(), narSystemDirectory);
+
+        // make sure destination is there
+        narSystemTarget.mkdirs();
+
+        getMavenProject().addCompileSourceRoot( narSystemTarget.getPath() );
+
+        File fullDir = new File( narSystemTarget, packageName.replace( '.', '/' ) );
+        fullDir.mkdirs();
+
+        File narSystem = new File( fullDir, narSystemName + ".java" );
+        getLog().info("Generating "+narSystem);
+        try
+        {
+            String artifactId = getMavenProject().getArtifactId();
+            String version = getMavenProject().getVersion();
+            FileOutputStream fos = new FileOutputStream( narSystem );
+            PrintWriter p = new PrintWriter( fos );
+            p.println( "// DO NOT EDIT: Generated by NarSystemGenerate." );
+            p.println( "package " + packageName + ";" );
+            p.println( "" );
+            p.println( "/**" );
+            p.println( " * Generated class to load the correct version of the jni library" );            
+            p.println( " *" );            
+            p.println( " * @author maven-nar-plugin" );            
+            p.println( " */" );            
+            p.println( "public class NarSystem" );
+            p.println( "{" );
+            p.println( "" );
+            p.println( "    private NarSystem() " );
+            p.println( "    {" );
+            p.println( "    }" );
+            p.println( "" );
+            p.println( "   /**" );
+            p.println( "    * Load jni library: "+artifactId+"-"+version );            
+            p.println( "    *" );            
+            p.println( "    * @author maven-nar-plugin" );            
+            p.println( "    */" );            
+            p.println( "    public static void loadLibrary()" );
+            p.println( "    {" );
+            p.println( "        System.loadLibrary(\"" + artifactId + "-"
+                + version + "\");" );
+            p.println( "    }" );
+            p.println( "}" );
+            p.close();
+            fos.close();
+        }
+        catch ( IOException e )
+        {
+            throw new MojoExecutionException( "Could not write '" + narSystemName + "'", e );
+        }
+    }
+}
-- 
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