1 files changed, 79 insertions, 0 deletions
diff --git a/src/main/java/org/apache/maven/plugin/nar/NarSystemGenerate.java b/src/main/java/org/apache/maven/plugin/nar/NarSystemGenerate.java
new file mode 100644
index 0000000..f1d9e7e
--- /dev/null
+++ b/src/main/java/org/apache/maven/plugin/nar/NarSystemGenerate.java
@@ -0,0 +1,79 @@
+// Copyright FreeHEP, 2007.
+package org.freehep.maven.nar;
+
+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 <a href="Mark.Donszelmann@slac.stanford.edu">Mark Donszelmann</a>
+ * @version $Id: plugin/src/main/java/org/freehep/maven/nar/NarSystemGenerate.java d43b38443d0b 2007/09/13 18:31:01 duns $
+ */
+public class NarSystemGenerate extends AbstractCompileMojo {
+
+	public void execute() throws MojoExecutionException, MojoFailureException {
+		if (shouldSkip())
+			return;
+
+		// get packageName if specified for JNI.
+		String packageName = null;
+		String narSystemName = null;
+		File narSystemDirectory = null;
+		for (Iterator i = getLibraries().iterator(); i.hasNext()
+				&& (packageName == null);) {
+			Library library = (Library) i.next();
+			if (library.getType().equals(Library.JNI)) {
+				packageName = library.getNarSystemPackage();
+				narSystemName = library.getNarSystemName();
+				narSystemDirectory = library.getNarSystemDirectory();
+			}
+		}
+
+		if (packageName == null)
+			return;
+
+		// make sure destination is there
+		narSystemDirectory.mkdirs();
+
+		getMavenProject().addCompileSourceRoot(narSystemDirectory.getPath());
+
+		File fullDir = new File(narSystemDirectory, packageName.replace('.', '/'));
+		fullDir.mkdirs();
+
+		File narSystem = new File(fullDir, narSystemName + ".java");
+		try {
+			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("public class NarSystem {");
+			p.println("");
+			p.println("    private NarSystem() {");
+			p.println("    }");
+			p.println("");
+			p.println("    public static void loadLibrary() {");
+			p.println("        System.loadLibrary(\""
+					+ getMavenProject().getArtifactId() + "-"
+					+ getMavenProject().getVersion() + "\");");
+			p.println("    }");
+			p.println("}");
+			p.close();
+			fos.close();
+		} catch (IOException e) {
+			throw new MojoExecutionException("Could not write '"
+					+ narSystemName + "'", e);
+		}
+	}
+}