private static void scanForUpdates(final File contextRoot, final WebAppContext context) {
List<File> scanList = new ArrayList<File>();
scanList.add(new File(contextRoot, "WEB-INF/web.xml"));
findFiles(".class", new File(contextRoot, "WEB-INF/classes"), scanList);
findFiles(".jar", new File(contextRoot, "WEB-INF/lib"), scanList);
logger.info("Starting autoreloading scanner... ");
Scanner scanner = new Scanner();
scanner.setScanInterval(Configurations.getInteger("refine.scanner.period", 1));
scanner.setScanDirs(scanList);
scanner.setReportExistingFilesOnStartup(false);
scanner.addListener(
new Scanner.BulkListener() {
@Override
public void filesChanged(@SuppressWarnings("rawtypes") List changedFiles) {
try {
logger.info("Stopping context: " + contextRoot.getAbsolutePath());
context.stop();
logger.info("Starting context: " + contextRoot.getAbsolutePath());
context.start();
configure(context);
} catch (Exception ex) {
throw new RuntimeException(ex);
}
}
});
scanner.start();
}
/**
* add source scanner to restart server when source change
*
* @param web
* @param webAppClassPath
* @param scanIntervalSeconds
*/
private static void initScanner(final WebAppContext web, final Configs config) {
int scanIntervalSeconds = config.getScanIntervalSeconds();
final ArrayList<File> scanList = new ArrayList<File>();
System.err.println("init scanning folders...");
if (config.getScanlist() != null) {
String[] items = config.getScanlist().split(File.pathSeparator);
for (String item : items) {
File f = new File(item);
scanList.add(f);
System.err.println("add to scan list:" + item);
}
}
// startScanner
Scanner scanner = new Scanner();
scanner.setScanInterval(scanIntervalSeconds);
scanner.setScanDirs(scanList);
scanner.setRecursive(true);
scanner.setReportExistingFilesOnStartup(true);
scanner.addListener(new RJRFileChangeListener(web, config));
System.err.println("Starting scanner at interval of " + scanIntervalSeconds + " seconds.");
scanner.start();
}