Write out pom.xml files when generating temporary projects

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

Author: dscho

src/main/java/org/scijava/plugins/scripting/java/JavaEngine.java

@@ -388,7 +388,7 @@ private static String fakeArtifactId(final BuildEnvironment env, final String na
 	}
 
 	private static MavenProject fakePOM(final BuildEnvironment env,
-			final File directory, final String artifactId, final String mainClass)
+			final File directory, final String artifactId, final String mainClass, boolean writePOM)
 					throws IOException, ParserConfigurationException, SAXException,
 					TransformerConfigurationException, TransformerException,
 					TransformerFactoryConfigurationError {
@@ -437,6 +437,9 @@ private static MavenProject fakePOM(final BuildEnvironment env,
 				return env.parse(pomFile);
 			}
 		}
+		if (writePOM) {
+			transformer.transform(new DOMSource(pom), new StreamResult(new File(directory, "pom.xml")));
+		}
 		final ByteArrayOutputStream out = new ByteArrayOutputStream();
 		transformer.transform(new DOMSource(pom), new StreamResult(out));
 		return env.parse(new ByteArrayInputStream(out.toByteArray()), directory, null, null);