// Servlet//
public void init() throws ServletException {
final ServletConfig config = getServletConfig();
final ServletContext ctx = getServletContext();
ctx.setAttribute(ATTR_UPDATE_SERVLET, this);
final WebManager webman = WebManager.getWebManager(ctx);
String param = config.getInitParameter("compress");
_compress = param == null || param.length() == 0 || "true".equals(param);
if (!_compress) webman.getClassWebResource().setCompress(null); // disable all
// Copies au extensions defined before DHtmlUpdateServlet is started
final WebApp wapp = webman.getWebApp();
final Map aues = (Map) wapp.getAttribute(ATTR_AU_PROCESSORS);
if (aues != null) {
for (Iterator it = aues.entrySet().iterator(); it.hasNext(); ) {
final Map.Entry me = (Map.Entry) it.next();
addAuExtension((String) me.getKey(), (AuExtension) me.getValue());
}
wapp.removeAttribute(ATTR_AU_PROCESSORS);
}
// ZK 5: extension defined in init-param has the higher priority
for (int j = 0; ; ++j) {
param = config.getInitParameter("extension" + j);
if (param == null) {
param = config.getInitParameter("processor" + j); // backward compatible
if (param == null) break;
}
final int k = param.indexOf('=');
if (k < 0) {
log.warning("Ignore init-param: illegal format, " + param);
continue;
}
final String prefix = param.substring(0, k).trim();
final String clsnm = param.substring(k + 1).trim();
try {
addAuExtension(prefix, (AuExtension) Classes.newInstanceByThread(clsnm));
} catch (ClassNotFoundException ex) {
log.warning("Ignore init-param: class not found, " + clsnm);
} catch (ClassCastException ex) {
log.warning("Ignore: " + clsnm + " not implement " + AuExtension.class);
} catch (Throwable ex) {
log.warning("Ignore init-param: failed to add an AU extension, " + param, ex);
}
}
if (getAuExtension("/upload") == null) {
try {
addAuExtension("/upload", new AuUploader());
} catch (Throwable ex) {
final String msg = "Make sure commons-fileupload.jar is installed.";
log.warningBriefly("Failed to configure fileupload. " + msg, ex);
// still add /upload to generate exception when fileupload is used
addAuExtension(
"/upload",
new AuExtension() {
public void init(DHtmlUpdateServlet servlet) {}
public void destroy() {}
public void service(
HttpServletRequest request, HttpServletResponse response, String pi)
throws ServletException, IOException {
if (Sessions.getCurrent(false) != null)
throw new ServletException("Failed to upload. " + msg);
}
});
}
}
if (getAuExtension("/view") == null) addAuExtension("/view", new AuDynaMediar());
}
