public GraphNode getGraphNode(JrdsServlet caller) {
GraphNode gn = null;
if(id != null)
gn = hostlist.getGraphById(id);
if(gn != null) {
logger.debug(jrds.Util.delayedFormatString("Graph found: %s", gn));
} else if(pid != null && pid != 0 && dsName != null) {
if(!caller.allowed(this, hostlist.getDefaultRoles()))
return null;
Probe<?, ?> p = getProbe();
if(p == null) {
logger.error("Looking for unknown probe");
return null;
}
logger.debug(jrds.Util.delayedFormatString("Probe found: %s", p));
Graphics2D g2d = new BufferedImage(1, 1, BufferedImage.TYPE_INT_RGB).createGraphics();
String graphDescName = p.getName() + "." + dsName;
GraphDesc gd = new GraphDesc();
gd.setName(graphDescName);
gd.setGraphName(p.getHost().getName() + "." + p.getName() + "." + dsName);
gd.setGraphTitle(p.getName() + "." + dsName + " on ${host}");
gd.add(dsName, GraphDesc.LINE);
gd.initializeLimits(g2d);
gn = new GraphNode(p, gd);
gn.addACL(Configuration.get().getPropertiesManager().defaultACL);
}
return gn;
}