private void buildComponentSourceHTML() throws IOException {
StringBuilder sb = new StringBuilder();
// Sort components by classNames, so order is always the same for debugging
List<ConfiguredComponent> comps =
new ArrayList<ConfiguredComponent>(application.getComponents());
Collections.sort(comps);
if (isDebug()) {
Set<String> classNamesDone = new HashSet<String>();
for (ConfiguredComponent cc : comps) {
if (!Authorizations.isConfiguredComponentAuthorized(cc, context.getRequest())) {
continue;
}
if (!classNamesDone.contains(cc.getClassName())) {
classNamesDone.add(cc.getClassName());
if (cc.getViewerComponent() != null && cc.getViewerComponent().getSources() != null) {
for (File f : cc.getViewerComponent().getSources()) {
String url =
new ForwardResolution(ComponentActionBean.class, "source")
.addParameter("app", name)
.addParameter("version", version)
.addParameter("className", cc.getClassName())
.addParameter("file", f.getName())
.getUrl(context.getLocale());
sb.append(" <script type=\"text/javascript\" src=\"");
sb.append(HtmlUtil.encode(context.getServletContext().getContextPath() + url));
sb.append("\"></script>\n");
}
}
}
}
} else {
// If not debugging, create a single script tag with all source
// for all components for the application for a minimal number of HTTP requests
// The ComponentActionBean supports conditional HTTP requests using
// Last-Modified.
// Create a hash value that will change when the classNames used
// in the application change, so that a browser will not use a
// previous version from cache with other contents.
int hash = 0;
Set<String> classNamesDone = new HashSet<String>();
for (ConfiguredComponent cc : comps) {
if (!Authorizations.isConfiguredComponentAuthorized(cc, context.getRequest())) {
continue;
}
if (!classNamesDone.contains(cc.getClassName())) {
hash = hash ^ cc.getClassName().hashCode();
} else {
classNamesDone.add(cc.getClassName());
}
}
if (user != null) {
// Update component sources when roles of user change
hash = hash ^ getRolesCachekey(context.getRequest());
// Update component sources when roles of configured components
// may have changed
hash = hash ^ (int) application.getAuthorizationsModified().getTime();
}
String url =
new ForwardResolution(ComponentActionBean.class, "source")
.addParameter("app", name)
.addParameter("version", version)
.addParameter("minified", true)
.addParameter("hash", hash)
.getUrl(context.getLocale());
sb.append(" <script type=\"text/javascript\" src=\"");
sb.append(HtmlUtil.encode(context.getServletContext().getContextPath() + url));
sb.append("\"></script>\n");
}
componentSourceHTML = sb.toString();
}