protected void layoutFooter(Page page) {
ServletUtil.doLayoutFooter(
page, (footnotes == null ? null : footnotes.iterator()), getLockssApp().getVersionInfo());
if (footnotes != null) {
footnotes.removeAllElements();
}
}
/** Common page setup. */
protected Page newPage() {
// Compute heading
String heading = getHeading();
if (heading == null) {
heading = "Box Administration";
}
// Create page and layout header
Page page = ServletUtil.doNewPage(getPageTitle(), isFramed());
Iterator inNavIterator;
if (myServletDescr().hasNoNavTable()) {
inNavIterator = CollectionUtil.EMPTY_ITERATOR;
} else {
inNavIterator =
new FilterIterator(
new ObjectArrayIterator(getServletDescrs()),
new Predicate() {
public boolean evaluate(Object obj) {
return isServletInNav((ServletDescr) obj);
}
});
}
ServletUtil.layoutHeader(
this,
page,
heading,
isLargeLogo(),
getMachineName(),
getLockssApp().getStartDate(),
inNavIterator);
String warnMsg = CurrentConfig.getParam(PARAM_UI_WARNING);
if (warnMsg != null) {
Composite warning = new Composite();
warning.add("<center><font color=red size=+1>");
warning.add(warnMsg);
warning.add("</font></center><br>");
page.add(warning);
}
return page;
}
/** Common request handling. */
public void service(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
resetState();
boolean success = false;
HttpSession session = req.getSession(false);
try {
this.req = req;
this.resp = resp;
if (log.isDebug()) {
logParams();
}
resp.setContentType("text/html");
if (!mayPageBeCached()) {
resp.setHeader("pragma", "no-cache");
resp.setHeader("Cache-control", "no-cache");
}
reqURL = new URL(UrlUtil.getRequestURL(req));
clientAddr = getLocalIPAddr();
// check that current user has permission to run this servlet
if (!isServletAllowed(myServletDescr())) {
displayWarningInLieuOfPage("You are not authorized to use " + myServletDescr().heading);
return;
}
// check whether servlet is disabled
String reason = ServletUtil.servletDisabledReason(myServletDescr().getServletName());
if (reason != null) {
displayWarningInLieuOfPage("This function is disabled. " + reason);
return;
}
if (session != null) {
session.setAttribute(SESSION_KEY_RUNNING_SERVLET, getHeading());
String reqHost = req.getRemoteHost();
String forw = req.getHeader(HttpFields.__XForwardedFor);
if (!StringUtil.isNullString(forw)) {
reqHost += " (proxies for " + forw + ")";
}
session.setAttribute(SESSION_KEY_REQUEST_HOST, reqHost);
}
lockssHandleRequest();
success = (errMsg == null);
} catch (ServletException e) {
log.error("Servlet threw", e);
throw e;
} catch (IOException e) {
log.error("Servlet threw", e);
throw e;
} catch (RuntimeException e) {
log.error("Servlet threw", e);
throw e;
} finally {
if (session != null) {
session.setAttribute(SESSION_KEY_RUNNING_SERVLET, null);
session.setAttribute(LockssFormAuthenticator.__J_AUTH_ACTIVITY, TimeBase.nowMs());
}
if ("please".equalsIgnoreCase(req.getHeader("X-Lockss-Result"))) {
log.debug3("X-Lockss-Result: " + (success ? "Ok" : "Fail"));
resp.setHeader("X-Lockss-Result", success ? "Ok" : "Fail");
}
resetMyLocals();
resetLocals();
}
}
/**
* Create message and error message block
*
* @param composite TODO
*/
protected void layoutErrorBlock(Composite composite) {
if (errMsg != null || statusMsg != null) {
ServletUtil.layoutErrorBlock(composite, errMsg, statusMsg);
}
}