private AbstractNode getResponseLevelAtDepth(final AbstractNode response, final UrlPath path)
throws ResourceNotFoundException {
if (path.getDepth() != UrlPath.INFINITE_DEPTH
&& !response.isLeaf()
&& response instanceof ItemNode) {
return path.cutTreeToDepth((ItemNode) response);
} else {
return response;
}
}
@Override
public AbstractNode process(final Account account, final HttpServletRequest request)
throws IOException {
final UrlPath path = new UrlPath(request);
final PluginConfig config = account.getPluginConfig(path.getPluginId());
final Plugin plugin = pluginLoader.get(config.getKey().getType());
return getResponseLevelAtDepth(
dispatchToPlugin(
account,
new WrappedHttpRequest(request, getPluginBaseRequestPath(request), "/"),
path,
plugin,
config),
path);
}
@Override
public ItemNode toAbstractNode(String urlPrefix) {
ItemNode result = new ItemNode();
result.setLayout(Layout.LIST);
result.setVersion(ItemNode.API_VERSION);
result.setPath(UrlPath.normalizePath(path));
result.setDescriptionAlign(Alignment.BOTTOM);
result.setTitle(displayName);
result.setIcon(
result.getPath()
+ "?image="
+ (isOffline() ? "icons/computer_offline.png" : "icons/computer_online.png"));
if (getMonitorData().getArchitectureMonitor() != null) {
result.setDescription(
getNumExecutors() + " executors - " + getMonitorData().getArchitectureMonitor());
} else {
result.setDescription(getNumExecutors() + " executors - N/A");
}
if (getMonitorData().getArchitectureMonitor() != null) {
ItemNode childNode =
new ItemNode("Operating System", getMonitorData().getArchitectureMonitor());
childNode.setDescriptionAlign(Alignment.RIGHT);
result.addNode(childNode);
}
ItemNode childNode = new ItemNode("Status", isOffline() ? "OFF-LINE" : "ON-LINE");
childNode.setDescriptionAlign(Alignment.RIGHT);
childNode.setDescriptionColor(isOffline() ? "#FF0000" : "#00FF00");
result.addNode(childNode);
childNode = new ItemNode("Number of executors", Integer.toString(getNumExecutors()));
childNode.setDescriptionAlign(Alignment.RIGHT);
result.addNode(childNode);
if (getMonitorData().getSwapSpaceMonitor() != null) {
long totRam = getMonitorData().getSwapSpaceMonitor().getTotalPhysicalMemory() / 1024 / 1024;
long availRam =
getMonitorData().getSwapSpaceMonitor().getAvailablePhysicalMemory() / 1024 / 1024;
childNode = new ItemNode("RAM", "" + availRam + "/" + totRam + " MB");
childNode.setDescriptionAlign(Alignment.RIGHT);
result.addNode(childNode);
long totSwap = getMonitorData().getSwapSpaceMonitor().getTotalSwapSpace() / 1024 / 1024;
long availSwap = getMonitorData().getSwapSpaceMonitor().getAvailableSwapSpace() / 1024 / 1024;
childNode = new ItemNode("SWAP", "" + availSwap + "/" + totSwap + " MB");
childNode.setDescriptionAlign(Alignment.RIGHT);
result.addNode(childNode);
}
result.setLeaf(true);
return result;
}
private AbstractNode dispatchToPlugin(
final Account account,
final HttpServletRequest request,
final UrlPath urlPath,
final Plugin pluginInstance,
final PluginConfig pluginConf)
throws IOException {
AbstractNode response = pluginInstance.processRequest(account, request, pluginConf);
if (response == null) {
throw new ResourceNotFoundException(
"Plugin " + pluginInstance + " did not produce any response");
}
if ("application/json".equals(response.getHttpContentType()) && response instanceof ItemNode) {
response = urlPath.followPath((ItemNode) response);
}
return response;
}