private void checkExisting(
File targetFile, ClassLoader classLoader, Document doc, Set<String> entityClasses) {
if (targetFile.exists()) {
final Set<String> alreadyDefined = PersistenceXmlHelper.getClassesAlreadyDefined(doc);
for (String className : alreadyDefined) {
if (!ReflectionHelper.classExists(className, classLoader)) {
getLog().warn("Class " + className + " defined in " + targetFile + " does not exist");
}
}
if (!alreadyDefined.containsAll(entityClasses)) {
final Set<String> undefined = new TreeSet<>();
for (String className : entityClasses) {
if (!alreadyDefined.contains(className)) {
undefined.add(className);
}
}
getLog()
.warn(
"The following classes was not defined in "
+ targetFile
+ " even "
+ "though they are available on the class path: "
+ Arrays.toString(undefined.toArray()));
}
// Don't add so we end up with duplicates
entityClasses.removeAll(alreadyDefined);
}
}
private void processWeaving(ClassLoader classLoader) throws MojoExecutionException {
if (!source.exists()) {
throw new MojoExecutionException("Source directory " + source + " does not exist");
}
try {
if (prefix != null) {
getLog().info("Using package prefix '" + prefix + "'");
}
final URL[] classPath = getClassPath();
getLog().debug("Scanning class-path: " + Arrays.toString(classPath));
final AnnotationDB db = new AnnotationDB();
db.setIgnoredPackages(getIgnoredPackages());
db.scanArchives(classPath);
final Set<String> entityClasses = findEntities(db);
getLog().info("Entities found : " + entityClasses.size());
final File targetFile = new File(this.target + "/META-INF/persistence.xml");
getLog().info("Target file: " + targetFile);
final String name = project.getArtifactId();
final Document doc =
targetFile.exists()
? PersistenceXmlHelper.parseXml(targetFile)
: PersistenceXmlHelper.createXml(name);
checkExisting(targetFile, classLoader, doc, entityClasses);
PersistenceXmlHelper.appendClasses(doc, entityClasses);
PersistenceXmlHelper.outputXml(doc, targetFile);
final StaticWeaveProcessor weaveProcessor = new StaticWeaveProcessor(source, target);
weaveProcessor.setClassLoader(classLoader);
weaveProcessor.setLog(new PrintWriter(System.out));
weaveProcessor.setLogLevel(getLogLevel());
weaveProcessor.performWeaving();
} catch (URISyntaxException | IOException e) {
throw new MojoExecutionException("Error", e);
}
}
