* Gets the encrypted usage stat data to be sent to the Hudson server.
*/
public String getStatData() throws IOException {
Jenkins h = Jenkins.getInstance();
JSONObject o = new JSONObject();
o.put("stat",1);
o.put("install", Util.getDigestOf(h.getSecretKey()));
o.put("version", Jenkins.VERSION);
List<JSONObject> nodes = new ArrayList<JSONObject>();
for( Computer c : h.getComputers() ) {
JSONObject n = new JSONObject();
if(c.getNode()==h) {
n.put("master",true);
n.put("jvm-vendor", System.getProperty("java.vm.vendor"));
n.put("jvm-version", System.getProperty("java.version"));
}
n.put("executors",c.getNumExecutors());
DescriptorImpl descriptor = h.getDescriptorByType(DescriptorImpl.class);
n.put("os", descriptor.get(c));
nodes.add(n);
}
o.put("nodes",nodes);
List<JSONObject> plugins = new ArrayList<JSONObject>();
for( PluginWrapper pw : h.getPluginManager().getPlugins() ) {
if(!pw.isActive()) continue; // treat disabled plugins as if they are uninstalled
JSONObject p = new JSONObject();
p.put("name",pw.getShortName());
p.put("version",pw.getVersion());
plugins.add(p);
}
o.put("plugins",plugins);
JSONObject jobs = new JSONObject();
List<TopLevelItem> items = h.getItems();
for (TopLevelItemDescriptor d : Items.all()) {
int cnt=0;
for (TopLevelItem item : items) {
if(item.getDescriptor()==d)
cnt++;
}
jobs.put(d.getJsonSafeClassName(),cnt);
}
o.put("jobs",jobs);
try {
ByteArrayOutputStream baos = new ByteArrayOutputStream();