protected void handleDocument(
HttpServletRequest request, HttpServletResponse response, Document doc) throws IOException {
if (request.getPathInfo().equalsIgnoreCase("/load")) getXmlScoreBoard().loadDocument(doc);
else if (request.getPathInfo().equalsIgnoreCase("/merge"))
getXmlScoreBoard().mergeDocument(doc);
else
response.sendError(
HttpServletResponse.SC_NOT_FOUND, "Must specify to load or merge document");
response.setContentType("text/plain");
response.setStatus(HttpServletResponse.SC_OK);
}
protected String getRequestKey() {
String key = req.getPathInfo();
if (key != null && key.startsWith("/")) {
return key.substring(1);
}
return key;
}
/**
* Constructor.
*
* @param rq request
* @param rs response
* @throws IOException I/O exception
*/
public HTTPContext(final HttpServletRequest rq, final HttpServletResponse rs) throws IOException {
req = rq;
res = rs;
final String m = rq.getMethod();
method = HTTPMethod.get(m);
final StringBuilder uri = new StringBuilder(req.getRequestURL());
final String qs = req.getQueryString();
if (qs != null) uri.append('?').append(qs);
log(false, m, uri);
// set UTF8 as default encoding (can be overwritten)
res.setCharacterEncoding(UTF8);
segments = toSegments(req.getPathInfo());
path = join(0);
user = System.getProperty(DBUSER);
pass = System.getProperty(DBPASS);
// set session-specific credentials
final String auth = req.getHeader(AUTHORIZATION);
if (auth != null) {
final String[] values = auth.split(" ");
if (values[0].equals(BASIC)) {
final String[] cred = Base64.decode(values[1]).split(":", 2);
if (cred.length != 2) throw new LoginException(NOPASSWD);
user = cred[0];
pass = cred[1];
} else {
throw new LoginException(WHICHAUTH, values[0]);
}
}
}
/**
* Show the pieces of the request, for debugging
*
* @param req the HttpServletRequest
* @return parsed request
*/
public static String getRequestParsed(HttpServletRequest req) {
return req.getRequestURI()
+ " = "
+ req.getContextPath()
+ "(context), "
+ req.getServletPath()
+ "(servletPath), "
+ req.getPathInfo()
+ "(pathInfo), "
+ req.getQueryString()
+ "(query)";
}
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String path = request.getPathInfo();
boolean htmlOutput = true;
String language = null;
String contentType = "text/html; charset='utf-8'";
if (path != null) {
if (path.endsWith(".rdf")) {
contentType = "application/rdf+xml; charset='utf-8'";
htmlOutput = false;
language = "RDF/XML";
} else if (path.endsWith(".xml")) {
contentType = "application/xml; charset='utf-8'";
htmlOutput = false;
language = "RDF/XML";
} else if (path.endsWith(".n3")) {
contentType = "text/n3; charset='utf-8'";
htmlOutput = false;
language = "N3";
}
}
response.setContentType(contentType);
response.setStatus(HttpServletResponse.SC_OK);
Writer writer = response.getWriter();
synchronized (board) {
if (htmlOutput) {
writer.write(
"<!DOCTYPE html>\n"
+ "<html lang='en'>"
+ "<head><meta charset='utf-8'/><title>MATe model</title></head>"
+ "<body><ul>");
StmtIterator it = model.listStatements();
/* TODO: well, this could be prettier */
while (it.hasNext()) writer.write("<li>" + it.nextStatement() + "</li>");
writer.write("<ul></body></html>");
} else model.write(writer, language);
}
}
/**
* Constructor.
*
* @param rq request
* @param rs response
* @param servlet calling servlet instance
* @throws IOException I/O exception
*/
public HTTPContext(
final HttpServletRequest rq, final HttpServletResponse rs, final BaseXServlet servlet)
throws IOException {
req = rq;
res = rs;
params = new HTTPParams(this);
method = rq.getMethod();
final StringBuilder uri = new StringBuilder(req.getRequestURL());
final String qs = req.getQueryString();
if (qs != null) uri.append('?').append(qs);
log('[' + method + "] " + uri, null);
// set UTF8 as default encoding (can be overwritten)
res.setCharacterEncoding(UTF8);
segments = decode(toSegments(req.getPathInfo()));
// adopt servlet-specific credentials or use global ones
final GlobalOptions mprop = context().globalopts;
user = servlet.user != null ? servlet.user : mprop.get(GlobalOptions.USER);
pass = servlet.pass != null ? servlet.pass : mprop.get(GlobalOptions.PASSWORD);
// overwrite credentials with session-specific data
final String auth = req.getHeader(AUTHORIZATION);
if (auth != null) {
final String[] values = auth.split(" ");
if (values[0].equals(BASIC)) {
final String[] cred = org.basex.util.Base64.decode(values[1]).split(":", 2);
if (cred.length != 2) throw new LoginException(NOPASSWD);
user = cred[0];
pass = cred[1];
} else {
throw new LoginException(WHICHAUTH, values[0]);
}
}
}
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String actionName = "";
String pathInfo = request.getPathInfo();
String destinationPage = ERROR_PAGE;
if (inventory == null) {
String errorMessage = "Inventory EJB reference is null.";
request.setAttribute(ERROR_KEY, errorMessage);
} else {
if (pathInfo != null) {
actionName = pathInfo.substring(1); // Get the action name from the HTTP Request.
}
// perform action
if (VIEW_CAR_LIST_ACTION.equals(actionName)) {
request.setAttribute("carList", inventory.listAvailableCars());
destinationPage = "/carList.jsp";
} else if (ADD_CAR_ACTION.equals(actionName)) {
request.setAttribute("car", new CarDTO());
destinationPage = "/carForm.jsp";
} else if (EDIT_CAR_ACTION.equals(actionName)) {
int id = Integer.parseInt(request.getParameter("id"));
request.setAttribute("car", inventory.findCar(id));
destinationPage = "/carForm.jsp";
} else if (SAVE_CAR_ACTION.equals(actionName)) {
// build the car from the request parameters
CarDTO car = new CarDTO();
car.setId(Integer.parseInt(request.getParameter("id")));
car.setMake(request.getParameter("make"));
car.setModel(request.getParameter("model"));
car.setModelYear(request.getParameter("modelYear"));
// save the car
inventory.saveCar(car);
// prepare the list
request.setAttribute("carList", inventory.listAvailableCars());
destinationPage = "/carList.jsp";
} else if (DELETE_CAR_ACTION.equals(actionName)) {
// get list of ids to delete
String[] ids = request.getParameterValues("id");
// delete the list of ids
inventory.deleteCars(ids);
// prepare the list
request.setAttribute("carList", inventory.listAvailableCars());
destinationPage = "/carList.jsp";
} else if (VIEW_BUY_CAR_FORM_ACTION.equals(actionName)) {
int id = Integer.parseInt(request.getParameter("id"));
request.setAttribute("car", inventory.findCar(id));
destinationPage = "/buyCarForm.jsp";
} else if (BUY_CAR_ACTION.equals(actionName)) {
int carId = Integer.parseInt(request.getParameter("id"));
double price;
// Use $5000.00 as the default price if the user enters bad data.
try {
price = Double.parseDouble(request.getParameter("price"));
} catch (NumberFormatException nfe) {
price = 5000.00;
}
System.out.println("carId = [" + carId + "], price = [" + price + "]");
// mark the car as sold
inventory.buyCar(carId, price);
// prepare the list
request.setAttribute("carList", inventory.listAvailableCars());
destinationPage = "/carList.jsp";
} else {
String errorMessage = "[" + actionName + "] is not a valid action.";
request.setAttribute(ERROR_KEY, errorMessage);
}
}
// Redirect to destination page.
RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(destinationPage);
dispatcher.forward(request, response);
}
public String getPathInfo() {
return request.getPathInfo();
}
/**
* Return the request URL relative to the server (i.e., starting with the context path).
*
* @param req request
* @return URL relative to the server
*/
public static String getReletiveURL(HttpServletRequest req) {
return req.getContextPath() + req.getServletPath() + req.getPathInfo();
}
/**
* Show details about the request
*
* @param servlet used to get teh servlet context, may be null
* @param req the request
* @return string showing the details of the request.
*/
public static String showRequestDetail(HttpServlet servlet, HttpServletRequest req) {
StringBuilder sbuff = new StringBuilder();
sbuff.append("Request Info\n");
sbuff.append(" req.getServerName(): ").append(req.getServerName()).append("\n");
sbuff.append(" req.getServerPort(): ").append(req.getServerPort()).append("\n");
sbuff.append(" req.getContextPath:").append(req.getContextPath()).append("\n");
sbuff.append(" req.getServletPath:").append(req.getServletPath()).append("\n");
sbuff.append(" req.getPathInfo:").append(req.getPathInfo()).append("\n");
sbuff.append(" req.getQueryString:").append(req.getQueryString()).append("\n");
sbuff
.append(" getQueryStringDecoded:")
.append(EscapeStrings.urlDecode(req.getQueryString()))
.append("\n");
/*try {
sbuff.append(" getQueryStringDecoded:").append(URLDecoder.decode(req.getQueryString(), "UTF-8")).append("\n");
} catch (UnsupportedEncodingException e1) {
e1.printStackTrace();
}*/
sbuff.append(" req.getRequestURI:").append(req.getRequestURI()).append("\n");
sbuff.append(" getRequestBase:").append(getRequestBase(req)).append("\n");
sbuff.append(" getRequestServer:").append(getRequestServer(req)).append("\n");
sbuff.append(" getRequest:").append(getRequest(req)).append("\n");
sbuff.append("\n");
sbuff.append(" req.getPathTranslated:").append(req.getPathTranslated()).append("\n");
String path = req.getPathTranslated();
if ((path != null) && (servlet != null)) {
ServletContext context = servlet.getServletContext();
sbuff.append(" getMimeType:").append(context.getMimeType(path)).append("\n");
}
sbuff.append("\n");
sbuff.append(" req.getScheme:").append(req.getScheme()).append("\n");
sbuff.append(" req.getProtocol:").append(req.getProtocol()).append("\n");
sbuff.append(" req.getMethod:").append(req.getMethod()).append("\n");
sbuff.append("\n");
sbuff.append(" req.getContentType:").append(req.getContentType()).append("\n");
sbuff.append(" req.getContentLength:").append(req.getContentLength()).append("\n");
sbuff.append(" req.getRemoteAddr():").append(req.getRemoteAddr());
try {
sbuff
.append(" getRemoteHost():")
.append(java.net.InetAddress.getByName(req.getRemoteHost()).getHostName())
.append("\n");
} catch (java.net.UnknownHostException e) {
sbuff.append(" getRemoteHost():").append(e.getMessage()).append("\n");
}
sbuff.append(" getRemoteUser():").append(req.getRemoteUser()).append("\n");
sbuff.append("\n");
sbuff.append("Request Parameters:\n");
Enumeration params = req.getParameterNames();
while (params.hasMoreElements()) {
String name = (String) params.nextElement();
String values[] = req.getParameterValues(name);
if (values != null) {
for (int i = 0; i < values.length; i++) {
sbuff
.append(" ")
.append(name)
.append(" (")
.append(i)
.append("): ")
.append(values[i])
.append("\n");
}
}
}
sbuff.append("\n");
sbuff.append("Request Headers:\n");
Enumeration names = req.getHeaderNames();
while (names.hasMoreElements()) {
String name = (String) names.nextElement();
Enumeration values = req.getHeaders(name); // support multiple values
if (values != null) {
while (values.hasMoreElements()) {
String value = (String) values.nextElement();
sbuff.append(" ").append(name).append(": ").append(value).append("\n");
}
}
}
sbuff.append(" ------------------\n");
return sbuff.toString();
}
/**
* servletPath + pathInfo
*
* @param req the HttpServletRequest
* @return parsed request servletPath + pathInfo
*/
public static String getRequestPath(HttpServletRequest req) {
StringBuffer buff = new StringBuffer();
if (req.getServletPath() != null) buff.append(req.getServletPath());
if (req.getPathInfo() != null) buff.append(req.getPathInfo());
return buff.toString();
}
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<body>");
out.println("<head>");
String title = rb.getString("requestinfo.title");
out.println("<title>" + title + "</title>");
out.println("</head>");
out.println("<body bgcolor=\"white\">");
// img stuff not req'd for source code html showing
// all links relative!
// XXX
// making these absolute till we work out the
// addition of a PathInfo issue
out.println("<a href=\"../reqinfo.html\">");
out.println(
"<img src=\"../images/code.gif\" height=24 "
+ "width=24 align=right border=0 alt=\"view code\"></a>");
out.println("<a href=\"../index.html\">");
out.println(
"<img src=\"../images/return.gif\" height=24 "
+ "width=24 align=right border=0 alt=\"return\"></a>");
out.println("<h3>" + title + "</h3>");
out.println("<table border=0><tr><td>");
out.println(rb.getString("requestinfo.label.method"));
out.println("</td><td>");
out.println(request.getMethod());
out.println("</td></tr><tr><td>");
out.println(rb.getString("requestinfo.label.requesturi"));
out.println("</td><td>");
out.println(HTMLFilter.filter(request.getRequestURI()));
out.println("</td></tr><tr><td>");
out.println(rb.getString("requestinfo.label.protocol"));
out.println("</td><td>");
out.println(request.getProtocol());
out.println("</td></tr><tr><td>");
out.println(rb.getString("requestinfo.label.pathinfo"));
out.println("</td><td>");
out.println(HTMLFilter.filter(request.getPathInfo()));
out.println("</td></tr><tr><td>");
out.println(rb.getString("requestinfo.label.remoteaddr"));
String cipherSuite = (String) request.getAttribute("javax.servlet.request.cipher_suite");
out.println("</td><td>");
out.println(request.getRemoteAddr());
out.println("</table>");
if (cipherSuite != null) {
out.println("</td></tr><tr><td>");
out.println("SSLCipherSuite:");
out.println("</td>");
out.println("<td>");
out.println(request.getAttribute("javax.servlet.request.cipher_suite"));
out.println("</td>");
}
}
protected void doPost(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
try {
// A good request looks like /mljam/contextid/verb?name=varname
// The extra path info includes the context id and verb
String extra = req.getPathInfo(); // "/contextid/verb"
if (extra == null || extra.equals("")) {
throw new ClientProblemException(
"Request requires a context id and verb in its extra path info");
}
String[] parts = extra.split("/"); // { "", "contextid", "verb" }
if (parts.length < 2) {
throw new ClientProblemException(
"Request requires a context id and verb in its extra path info");
} else if (parts.length < 3) {
throw new ClientProblemException("Request requires a verb in its extra path info");
}
String contextId = parts[1];
String verb = parts[2];
String method = req.getMethod();
if (method.equalsIgnoreCase("get")) {
// We have three GET verbs: get, get-stdout, get-stderr.
// These are all idempotent, while the POST verbs aren't. The get
// verb accept a "name" query string parameter. The get verb returns
// either XQuery to evaluate (indicated by x-marklogic/xquery content type)
// or a raw binary (indicated by an application/binary-encoded content type).
if (verb.equalsIgnoreCase("get")) {
String name = req.getParameter("name");
if (name == null || name.equals("")) {
throw new ClientProblemException("The get verb requires a name parameter");
}
Interpreter i = getInterpreter(contextId);
Object o = i.get(name);
if (o instanceof byte[]) {
sendBinaryResponse(res, (byte[]) o);
} else if (o instanceof String) {
sendStringResponse(res, (String) o);
} else {
sendXQueryResponse(res, o);
}
} else if (verb.equalsIgnoreCase("get-stdout")) {
Interpreter i = getInterpreter(contextId);
i.getOut().flush();
CircularByteArrayOutputStream circ = (CircularByteArrayOutputStream) i.get("mljamout");
if (circ != null) {
sendStringResponse(res, circ.toString());
circ.reset();
} else {
throw new ServerProblemException("Could not fetch mljamout from interpreter context");
}
} else if (verb.equalsIgnoreCase("get-stderr")) {
Interpreter i = getInterpreter(contextId);
i.getErr().flush();
CircularByteArrayOutputStream circ = (CircularByteArrayOutputStream) i.get("mljamerr");
if (circ != null) {
sendStringResponse(res, circ.toString());
circ.reset();
} else {
throw new ServerProblemException("Could not fetch mljamerr from interpreter context");
}
} else {
throw new ClientProblemException("Unrecognized GET verb: " + verb);
}
} else if (method.equalsIgnoreCase("post")) {
// We have six POST verbs: eval, unset, end, source, set-string, and set-binary.
// These are POST verbs because they aren't idempotent.
// The set-string, set-binary, unset, and source verbs accept a "name"
// query string parameter. The set-string and set-binary verbs accept
// a value in their post body. The eval verb accepts code in its post body.
if (verb.equalsIgnoreCase("set-string")) {
String name = req.getParameter("name");
if (name == null || name.equals("")) {
throw new ClientProblemException("The set-string verb requires a name parameter");
}
String body = getBody(req); // a value of "" is legit
Interpreter i = getInterpreter(contextId);
i.unset(name);
i.set(name, body);
sendNoResponse(res);
} else if (verb.equalsIgnoreCase("set-binary")) {
String name = req.getParameter("name");
if (name == null || name.equals("")) {
throw new ClientProblemException("The set-binary verb requires a name parameter");
}
String body = getBody(req); // a value of "" is legit
byte[] bodyBytes = hexDecode(body); // later could do this streaming for speed
Interpreter i = getInterpreter(contextId);
i.unset(name);
i.set(name, bodyBytes);
sendNoResponse(res);
} else if (verb.equalsIgnoreCase("eval")) {
String body = getBody(req);
if (body == null || body.equals("")) {
throw new ClientProblemException(
"The eval verb requires a post body containing code to eval");
}
Interpreter i = getInterpreter(contextId);
i.eval(body);
sendNoResponse(res);
} else if (verb.equalsIgnoreCase("eval-get")) {
String body = getBody(req);
if (body == null || body.equals("")) {
throw new ClientProblemException(
"The eval-get verb requires a post body containing code to eval");
}
Interpreter i = getInterpreter(contextId);
Object o = i.eval(body);
if (o instanceof byte[]) {
sendBinaryResponse(res, (byte[]) o);
} else if (o instanceof String) {
sendStringResponse(res, (String) o);
} else {
sendXQueryResponse(res, o);
}
} else if (verb.equalsIgnoreCase("unset")) {
String name = req.getParameter("name");
if (name == null || name.equals("")) {
throw new ClientProblemException("The unset verb requires a name parameter");
}
Interpreter i = getInterpreter(contextId);
i.unset(name);
sendNoResponse(res);
} else if (verb.equalsIgnoreCase("end")) {
endInterpreter(contextId);
sendNoResponse(res);
} else if (verb.equalsIgnoreCase("source")) {
String name = req.getParameter("name");
if (name == null || name.equals("")) {
throw new ClientProblemException("The source verb requires a name parameter");
}
Interpreter i = getInterpreter(contextId);
i.source(name);
sendNoResponse(res);
} else {
throw new ClientProblemException("Unrecognized POST verb: " + verb);
}
}
} catch (TargetError e) {
Throwable target = e.getTarget();
Log.log(e);
Log.log("Target: " + target);
sendServerProblemResponse(
res,
target.getClass().getName()
+ ": "
+ target.getMessage()
+ " when executing Java code: "
+ e.getErrorText()); // include full trace?
} catch (EvalError e) {
Log.log(e);
sendServerProblemResponse(
res, e.getClass().getName() + ": " + e.getMessage()); // include full trace?
} catch (ClientProblemException e) {
Log.log(e);
sendClientProblemResponse(res, e.getMessage());
} catch (ServerProblemException e) {
Log.log(e);
sendServerProblemResponse(res, e.getMessage());
}
}
// get pathInfo and parmameters from servlet call
public void doGet(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
PrintWriter pw = null;
try {
long startms = System.currentTimeMillis();
if (cat == null || rm.nexradList == null) { // something major wrong
res.sendError(
HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"radarServer Radar Station/Catalog initialization problem");
return;
}
// setup
String pathInfo = req.getPathInfo();
if (pathInfo == null) pathInfo = "";
RadarType radarType = RadarType.nexrad; // default
if (pathInfo.indexOf('/', 1) > 1) {
String rt = pathInfo.substring(1, pathInfo.indexOf('/', 1));
radarType = RadarType.valueOf(rt);
}
// default is xml, assume errors will be recorded by logger from this point
if (!pathInfo.endsWith("html")) {
pw = res.getWriter();
res.setContentType("text/xml; charset=iso-8859-1"); // default
}
// radar query
if (req.getQueryString() != null) {
// log.debug("RadarServer query ="+ req.getQueryString() );
if (log.isDebugEnabled())
log.debug("<documentation>\n" + req.getQueryString() + "</documentation>\n");
rm.radarQuery(radarType, req, res, pw);
if (log.isDebugEnabled())
log.debug("after doGet " + (System.currentTimeMillis() - startms));
pw.flush();
return;
}
// return radarCollections catalog xml or html
if (pathInfo.startsWith("/catalog.xml") || pathInfo.startsWith("/dataset.xml")) {
InvCatalogFactory factory = InvCatalogFactory.getDefaultFactory(false); // no validation
String catAsString = factory.writeXML(cat);
pw.println(catAsString);
res.setStatus(HttpServletResponse.SC_OK);
pw.flush();
return;
} else if (pathInfo.startsWith("/catalog.html") || pathInfo.startsWith("/dataset.html")) {
try {
int i =
HtmlWriter.getInstance().writeCatalog(req, res, cat, true); // show catalog as HTML
} catch (Exception e) {
log.error("Radar HtmlWriter failed ", e);
res.sendError(
HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"radarServer HtmlWriter error " + pathInfo);
return;
}
return;
}
// level2 and level3 catalog/dataset
if (pathInfo.contains("level2/catalog.")
|| pathInfo.contains("level3/catalog.")
|| pathInfo.contains("level2/dataset.")
|| pathInfo.contains("level3/dataset.")) {
level2level3catalog(radarType, pathInfo, pw, req, res);
return;
}
// return stations of dataset
if (pathInfo.endsWith("stations.xml")) {
pathInfo = pathInfo.replace("/stations.xml", "");
Element rootElem = new Element("stationsList");
Document doc = new Document(rootElem);
doc = rm.stationsXML(radarType, doc, rootElem, pathInfo.substring(1));
XMLOutputter fmt = new XMLOutputter(Format.getPrettyFormat());
pw.println(fmt.outputString(doc));
pw.flush();
return;
}
// return specific dataset information, ie IDD
if (pathInfo.endsWith("dataset.xml") || pathInfo.endsWith("catalog.xml")) {
datasetInfoXml(radarType, pathInfo, pw);
return;
}
// needs work nobody using it now
// return Dataset information in html form format
if (pathInfo.endsWith("dataset.html") || pathInfo.endsWith("catalog.html")) {
datasetInfoHtml(radarType, pathInfo, pw, res);
return;
}
// mal formed request with no exceptions
res.sendError(HttpServletResponse.SC_NOT_FOUND);
} catch (FileNotFoundException e) {
if (!res.isCommitted()) res.sendError(HttpServletResponse.SC_NOT_FOUND);
} catch (Throwable e) {
log.error("RadarServer.doGet failed", e);
if (!res.isCommitted()) res.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
}
} // end doGet