/** Serves <tt>help.html</tt> from the resource of {@link #clazz}. */
public void doHelp(StaplerRequest req, StaplerResponse rsp) throws IOException, ServletException {
String path = req.getRestOfPath();
if (path.contains("..")) throw new ServletException("Illegal path: " + path);
path = path.replace('/', '-');
for (Class c = clazz; c != null; c = c.getSuperclass()) {
RequestDispatcher rd = Stapler.getCurrentRequest().getView(c, "help" + path);
if (rd != null) { // Jelly-generated help page
rd.forward(req, rsp);
return;
}
InputStream in = getHelpStream(c, path);
if (in != null) {
// TODO: generalize macro expansion and perhaps even support JEXL
rsp.setContentType("text/html;charset=UTF-8");
String literal = IOUtils.toString(in, "UTF-8");
rsp.getWriter()
.println(
Util.replaceMacro(
literal, Collections.singletonMap("rootURL", req.getContextPath())));
in.close();
return;
}
}
rsp.sendError(SC_NOT_FOUND);
}
private void writeBody(StaplerResponse response, JSONObject body) throws IOException {
response.setContentType("application/json");
PrintWriter writer = response.getWriter();
writer.write(body.toString());
writer.flush();
writer.close();
}
@Restricted(DoNotUse.class)
public void doStatic(StaplerRequest req, StaplerResponse rsp) throws Exception {
rsp.setContentType("text/html;charset=UTF-8");
PrintWriter pw = rsp.getWriter();
pw.println("<html><head><title>Jenkins Workflow Reference</title></head><body>");
pw.println("<h1>Steps</h1>");
for (StepDescriptor d : getStepDescriptors(false)) {
generateStepHelp(d, pw);
}
pw.println("<h1>Advanced/Deprecated Steps</h1>");
for (StepDescriptor d : getStepDescriptors(true)) {
generateStepHelp(d, pw);
}
pw.println("<h1>Variables</h1>");
for (GlobalVariable v : getGlobalVariables()) {
pw.println("<h2><code>" + v.getName() + "</code></h2>");
RequestDispatcher rd = req.getView(v, "help");
if (rd != null) {
pw.println("(help for variables not currently supported here)");
/* TODO RequestDispatcher.include sends that content, but then closes the stream and prevents further output from appearing.
Also ${rootURL} etc. are not set, but no idea what JellyContext to pass to Functions.initPageVariables
Not clear how to fix these issues except by rewriting all of this to be driven from a static.jelly page.
Also need to use new PrintWriter(new OutputStreamWriter(rsp.getOutputStream(), "UTF-8")) and pw.flush() at the end
(cannot use getWriter since RequestDispatcher.include will call getOutputStream).
rd.include(req, rsp);
*/
} else {
pw.println("(no help)");
}
}
pw.println("</body></html>");
}
/**
* @param rsp The stapler response to write the output to.
* @throws IOException
*/
private void writeJSON(StaplerResponse rsp, JSONObject jsonObject) throws IOException {
rsp.setContentType("application/json");
PrintWriter w = rsp.getWriter();
if (jsonObject == null) {
w.write("null");
} else {
w.write(jsonObject.toString());
}
w.flush();
w.close();
}
/**
* Check whether the "incorrect version" msg should be displayed, and returns what the currently
* configured version is, in a json.
*/
public void doVersionCheck(StaplerRequest req, StaplerResponse rsp, @QueryParameter String url)
throws IOException {
rsp.setContentType("text/plain;charset=UTF-8");
JSONObject versionJSON = new JSONObject();
String error_display_style = "none";
if (!isGoodCNVersion(url)) {
error_display_style = "inline";
}
versionJSON.element("error_display_style", error_display_style);
VersionNumber version = getVersion(url);
if (version != null) {
versionJSON.element("version", version.toString());
} else {
versionJSON.element("version", "unknown");
}
rsp.getWriter().print(versionJSON.toString());
}
private void _errorWithMarkup(String message, String cssClass)
throws IOException, ServletException {
if (message == null) {
ok();
} else {
response.setContentType("text/html;charset=UTF-8");
// 1x16 spacer needed for IE since it doesn't support min-height
response
.getWriter()
.print(
"<div class="
+ cssClass
+ "><img src='"
+ request.getContextPath()
+ Hudson.RESOURCE_PATH
+ "/images/none.gif' height=16 width=1>"
+ message
+ "</div>");
}
}
/*
* Set the correct media based on the request Accept header and marshal the
* response. Set any common headers for all responses.
*/
private void marshal(Object objects[]) throws IOException {
OSLC4JMarshaller marshaller = OSLC4JContext.newInstance().createMarshaller();
MediaType type = AcceptUtil.matchMediaType(Stapler.getCurrentRequest());
if (type == null) {
throw HttpResponses.status(HttpServletResponse.SC_NOT_ACCEPTABLE);
}
marshaller.setMediaType(type);
StaplerResponse response = Stapler.getCurrentResponse();
response.setCharacterEncoding("UTF-8");
response.setHeader("OSLC-Core-Version", "2.0");
response.setHeader("Content-Type", type.toString());
response.setHeader("Vary", "Accept, Accept-Encoding");
// Use WriterOutputStream since Stapler has already called response.getWriter().
WriterOutputStream out = new WriterOutputStream(response.getWriter());
marshaller.marshal(objects, out);
}
/** Accepts and serves the job description */
public void doDescription(StaplerRequest req, StaplerResponse rsp) throws IOException {
if (req.getMethod().equals("GET")) {
// read
rsp.setContentType("text/plain;charset=UTF-8");
rsp.getWriter().write(Util.fixNull(this.getDescription()));
return;
}
if (req.getMethod().equals("POST")) {
checkPermission(CONFIGURE);
// submission
if (req.getParameter("description") != null) {
this.setDescription(req.getParameter("description"));
rsp.sendError(SC_NO_CONTENT);
return;
}
}
// huh?
rsp.sendError(SC_BAD_REQUEST);
}
/**
* Serve a page at this URL.
*
* @param request
* @param response
* @throws IOException
*/
public void doIndex(StaplerRequest request, StaplerResponse response) throws IOException {
int precision = getPrecision(request);
response.setContentType("text/plain;charset=UTF-8");
PrintWriter writer = response.getWriter();
TimestampsReader reader = new TimestampsReader(build);
boolean timestampsFound = false;
while (true) {
List<Timestamp> timestamps = reader.read(1000);
if (timestamps.isEmpty()) {
break;
}
timestampsFound = true;
for (Timestamp timestamp : timestamps) {
writer.write(formatTimestamp(timestamp, precision));
}
}
if (!timestampsFound) {
writeConsoleNotes(writer, precision);
}
writer.flush();
}
public void doGetDot(StaplerRequest req, StaplerResponse rsp) throws IOException {
new DOTExporter().export(rsp.getWriter(), builds);
}
/** Sends out an arbitrary HTML fragment. */
public void respond(String html) throws IOException, ServletException {
response.setContentType("text/html");
response.getWriter().print(html);
}
protected Writer createWriter(StaplerRequest req, StaplerResponse rsp, long size)
throws IOException {
// when sending big text, try compression. don't bother if it's small
if (size > 4096) return rsp.getCompressedWriter(req);
else return rsp.getWriter();
}
@Override
public void doHelp(StaplerRequest req, StaplerResponse rsp)
throws IOException, ServletException {
rsp.getWriter().println(Messages.StillFailingTrigger_HelpText());
}
/** Exposes the bean as XML. */
public void doXml(
StaplerRequest req,
StaplerResponse rsp,
@QueryParameter String xpath,
@QueryParameter String wrapper,
@QueryParameter String tree,
@QueryParameter int depth)
throws IOException, ServletException {
setHeaders(rsp);
String[] excludes = req.getParameterValues("exclude");
if (xpath == null && excludes == null) {
// serve the whole thing
rsp.serveExposedBean(req, bean, Flavor.XML);
return;
}
StringWriter sw = new StringWriter();
// first write to String
Model p = MODEL_BUILDER.get(bean.getClass());
TreePruner pruner = (tree != null) ? new NamedPathPruner(tree) : new ByDepth(1 - depth);
p.writeTo(bean, pruner, Flavor.XML.createDataWriter(bean, sw));
// apply XPath
Object result;
try {
Document dom = new SAXReader().read(new StringReader(sw.toString()));
// apply exclusions
if (excludes != null) {
for (String exclude : excludes) {
List<org.dom4j.Node> list = (List<org.dom4j.Node>) dom.selectNodes(exclude);
for (org.dom4j.Node n : list) {
Element parent = n.getParent();
if (parent != null) parent.remove(n);
}
}
}
if (xpath == null) {
result = dom;
} else {
List list = dom.selectNodes(xpath);
if (wrapper != null) {
Element root = DocumentFactory.getInstance().createElement(wrapper);
for (Object o : list) {
if (o instanceof String) {
root.addText(o.toString());
} else {
root.add(((org.dom4j.Node) o).detach());
}
}
result = root;
} else if (list.isEmpty()) {
rsp.setStatus(HttpServletResponse.SC_NOT_FOUND);
rsp.getWriter().print(Messages.Api_NoXPathMatch(xpath));
return;
} else if (list.size() > 1) {
rsp.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
rsp.getWriter().print(Messages.Api_MultipleMatch(xpath, list.size()));
return;
} else {
result = list.get(0);
}
}
} catch (DocumentException e) {
LOGGER.log(Level.FINER, "Failed to do XPath/wrapper handling. XML is as follows:" + sw, e);
throw new IOException2(
"Failed to do XPath/wrapper handling. Turn on FINER logging to view XML.", e);
}
OutputStream o = rsp.getCompressedOutputStream(req);
try {
if (result instanceof CharacterData
|| result instanceof String
|| result instanceof Number
|| result instanceof Boolean) {
if (INSECURE) {
rsp.setContentType("text/plain;charset=UTF-8");
String text =
result instanceof CharacterData
? ((CharacterData) result).getText()
: result.toString();
o.write(text.getBytes("UTF-8"));
} else {
rsp.sendError(
HttpURLConnection.HTTP_FORBIDDEN,
"primitive XPath result sets forbidden; can use -Dhudson.model.Api.INSECURE=true if you run without security");
}
return;
}
// otherwise XML
rsp.setContentType("application/xml;charset=UTF-8");
new XMLWriter(o).write(result);
} finally {
o.close();
}
}
public void generateResponse(StaplerRequest req, StaplerResponse rsp, Object node)
throws IOException, ServletException {
rsp.setContentType("text/plain");
rsp.getWriter().print(msg.keyValueFormEncoding());
}
XMLDataWriter(Object bean, StaplerResponse rsp) throws IOException {
this(bean, rsp.getWriter());
}