private void level2level3catalog(
RadarType radarType,
String pathInfo,
PrintWriter pw,
HttpServletRequest req,
HttpServletResponse res)
throws IOException {
try {
String type;
if (pathInfo.contains("level2")) type = radarType.toString() + "/level2";
else type = radarType.toString() + "/level3";
ByteArrayOutputStream os = new ByteArrayOutputStream(10000);
InvCatalogFactory factory = InvCatalogFactory.getDefaultFactory(false);
factory.writeXML(cat, os, true);
InvCatalogImpl tCat = factory.readXML(new ByteArrayInputStream(os.toByteArray()), catURI);
Iterator parents = tCat.getDatasets().iterator();
while (parents.hasNext()) {
ArrayList<InvDatasetImpl> delete = new ArrayList<InvDatasetImpl>();
InvDatasetImpl top = (InvDatasetImpl) parents.next();
Iterator tDatasets = top.getDatasets().iterator();
while (tDatasets.hasNext()) {
InvDatasetImpl ds = (InvDatasetImpl) tDatasets.next();
if (ds instanceof InvDatasetScan) {
InvDatasetScan ids = (InvDatasetScan) ds;
if (ids.getPath() == null) continue;
if (ids.getPath().contains(type)) {
ids.setXlinkHref(ids.getPath() + "/dataset.xml");
} else {
delete.add(ds);
}
}
}
// remove datasets
for (InvDatasetImpl idi : delete) {
top.removeDataset(idi);
}
}
if (pathInfo.endsWith("xml")) {
String catAsString = factory.writeXML(tCat);
pw.println(catAsString);
pw.flush();
} else {
HtmlWriter.getInstance().writeCatalog(req, res, tCat, true); // show catalog as HTML
}
} catch (Throwable e) {
log.error("RadarServer.level2level3catalog failed", e);
if (!res.isCommitted()) res.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
}
return;
}
/**
* ************************************************************************ Sends an error to the
* client.
*
* @param t The exception that caused the problem.
* @param res The <code>HttpServletResponse</code> for the client.
*/
public static void handleException(Throwable t, HttpServletResponse res) {
try {
String message = t.getMessage();
if (message == null) message = "NULL message " + t.getClass().getName();
if (Debug.isSet("trustedMode")) { // security issue: only show stack if trusted
ByteArrayOutputStream bs = new ByteArrayOutputStream();
PrintStream ps = new PrintStream(bs);
t.printStackTrace(ps);
message = new String(bs.toByteArray());
}
log.info(
UsageLog.closingMessageForRequestContext(
HttpServletResponse.SC_BAD_REQUEST, message.length()));
log.error("handleException", t);
t.printStackTrace(); // debugging - log.error not showing stack trace !!
if (!res.isCommitted()) res.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
} catch (Throwable e) {
log.error("handleException() had problem reporting Exception", e);
t.printStackTrace();
}
}
/**
* Write a file to the response stream. Handles Range requests.
*
* @param req request
* @param res response
* @param file must exists and not be a directory
* @param contentType must not be null
* @throws IOException or error
*/
public static void returnFile(
HttpServletRequest req, HttpServletResponse res, File file, String contentType)
throws IOException {
res.setContentType(contentType);
// see if its a Range Request
boolean isRangeRequest = false;
long startPos = 0, endPos = Long.MAX_VALUE;
String rangeRequest = req.getHeader("Range");
if (rangeRequest != null) { // bytes=12-34 or bytes=12-
int pos = rangeRequest.indexOf("=");
if (pos > 0) {
int pos2 = rangeRequest.indexOf("-");
if (pos2 > 0) {
String startString = rangeRequest.substring(pos + 1, pos2);
String endString = rangeRequest.substring(pos2 + 1);
startPos = Long.parseLong(startString);
if (endString.length() > 0) endPos = Long.parseLong(endString) + 1;
isRangeRequest = true;
}
}
}
// set content length
long fileSize = file.length();
long contentLength = fileSize;
if (isRangeRequest) {
endPos = Math.min(endPos, fileSize);
contentLength = endPos - startPos;
}
if (contentLength > Integer.MAX_VALUE)
res.addHeader(
"Content-Length", Long.toString(contentLength)); // allow content length > MAX_INT
else res.setContentLength((int) contentLength); // note HEAD only allows this
String filename = file.getPath();
boolean debugRequest = Debug.isSet("returnFile");
if (debugRequest)
log.debug(
"returnFile(): filename = "
+ filename
+ " contentType = "
+ contentType
+ " contentLength = "
+ contentLength);
// indicate we allow Range Requests
res.addHeader("Accept-Ranges", "bytes");
if (req.getMethod().equals("HEAD")) {
log.info(
"returnFile(): "
+ UsageLog.closingMessageForRequestContext(HttpServletResponse.SC_OK, 0));
return;
}
try {
if (isRangeRequest) {
// set before content is sent
res.addHeader("Content-Range", "bytes " + startPos + "-" + (endPos - 1) + "/" + fileSize);
res.setStatus(HttpServletResponse.SC_PARTIAL_CONTENT);
FileCacheRaf.Raf craf = null;
try {
craf = fileCacheRaf.acquire(filename);
IO.copyRafB(
craf.getRaf(), startPos, contentLength, res.getOutputStream(), new byte[60000]);
log.info(
"returnFile(): "
+ UsageLog.closingMessageForRequestContext(
HttpServletResponse.SC_PARTIAL_CONTENT, contentLength));
return;
} finally {
if (craf != null) fileCacheRaf.release(craf);
}
}
// Return the file
ServletOutputStream out = res.getOutputStream();
IO.copyFileB(file, out, 60000);
res.flushBuffer();
out.close();
if (debugRequest) log.debug("returnFile(): returnFile ok = " + filename);
log.info(
"returnFile(): "
+ UsageLog.closingMessageForRequestContext(HttpServletResponse.SC_OK, contentLength));
}
// @todo Split up this exception handling: those from file access vs those from dealing with
// response
// File access: catch and res.sendError()
// response: don't catch (let bubble up out of doGet() etc)
catch (FileNotFoundException e) {
log.error("returnFile(): FileNotFoundException= " + filename);
log.info(
"returnFile(): "
+ UsageLog.closingMessageForRequestContext(HttpServletResponse.SC_NOT_FOUND, 0));
if (!res.isCommitted()) res.sendError(HttpServletResponse.SC_NOT_FOUND);
} catch (java.net.SocketException e) {
log.info("returnFile(): SocketException sending file: " + filename + " " + e.getMessage());
log.info("returnFile(): " + UsageLog.closingMessageForRequestContext(STATUS_CLIENT_ABORT, 0));
} catch (IOException e) {
String eName =
e.getClass().getName(); // dont want compile time dependency on ClientAbortException
if (eName.equals("org.apache.catalina.connector.ClientAbortException")) {
log.info(
"returnFile(): ClientAbortException while sending file: "
+ filename
+ " "
+ e.getMessage());
log.info(
"returnFile(): " + UsageLog.closingMessageForRequestContext(STATUS_CLIENT_ABORT, 0));
return;
}
log.error("returnFile(): IOException (" + e.getClass().getName() + ") sending file ", e);
log.error(
"returnFile(): "
+ UsageLog.closingMessageForRequestContext(HttpServletResponse.SC_NOT_FOUND, 0));
if (!res.isCommitted())
res.sendError(HttpServletResponse.SC_NOT_FOUND, "Problem sending file: " + e.getMessage());
}
}
/**
* Send a permanent redirect (HTTP status 301 "Moved Permanently") response with the given target
* path.
*
* <p>The given target path may be relative or absolute. If it is relative, it will be resolved
* against the request URL.
*
* @param targetPath the path to which the client is redirected.
* @param req the HttpServletRequest
* @param res the HttpServletResponse
* @throws IOException if can't write the response.
*/
public static void sendPermanentRedirect(
String targetPath, HttpServletRequest req, HttpServletResponse res) throws IOException {
// Absolute URL needed so resolve the target path against the request URL.
URI uri;
try {
uri = new URI(req.getRequestURL().toString());
} catch (URISyntaxException e) {
log.error(
"sendPermanentRedirect(): Bad syntax on request URL <" + req.getRequestURL() + ">.", e);
log.info(
"sendPermanentRedirect(): "
+ UsageLog.closingMessageForRequestContext(
HttpServletResponse.SC_INTERNAL_SERVER_ERROR, 0));
if (!res.isCommitted()) res.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
return;
}
String absolutePath = uri.resolve(targetPath).toString();
absolutePath = res.encodeRedirectURL(absolutePath);
res.setStatus(HttpServletResponse.SC_MOVED_PERMANENTLY);
res.addHeader("Location", absolutePath);
String title = "Permanently Moved - 301";
String body =
new StringBuilder()
.append("<p>")
.append("The requested URL <")
.append(req.getRequestURL())
.append("> has been permanently moved (HTTP status code 301).")
.append(" Instead, please use the following URL: <a href=\"")
.append(absolutePath)
.append("\">")
.append(absolutePath)
.append("</a>.")
.append("</p>")
.toString();
String htmlResp =
new StringBuilder()
.append(HtmlWriter.getInstance().getHtmlDoctypeAndOpenTag())
.append("<head><title>")
.append(title)
.append("</title></head><body>")
.append("<h1>")
.append(title)
.append("</h1>")
.append(body)
.append("</body></html>")
.toString();
log.info("sendPermanentRedirect(): redirect to " + absolutePath);
log.info(
"sendPermanentRedirect(): "
+ UsageLog.closingMessageForRequestContext(
HttpServletResponse.SC_MOVED_PERMANENTLY, htmlResp.length()));
// Write the catalog out.
PrintWriter out = res.getWriter();
res.setContentType("text/html");
out.print(htmlResp);
out.flush();
}
// The tck uses only get & post requests
protected void processTCKReq(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
LOGGER.entering(LOG_CLASS, "servlet entry");
PortletRequest portletReq = (PortletRequest) request.getAttribute("javax.portlet.request");
PortletResponse portletResp = (PortletResponse) request.getAttribute("javax.portlet.response");
PortletConfig portletConfig = (PortletConfig) request.getAttribute("javax.portlet.config");
long svtTid = Thread.currentThread().getId();
long reqTid = (Long) portletReq.getAttribute(THREADID_ATTR);
PrintWriter writer = ((MimeResponse) portletResp).getWriter();
JSR286DispatcherReqRespTestCaseDetails tcd = new JSR286DispatcherReqRespTestCaseDetails();
// Create result objects for the tests
/* TestCase: V2DispatcherReqRespTests4_SPEC2_19_IncludeServletResourceResponse_containsHeader */
/* Details: "In a target servlet of a include in the Resource phase, */
/* the method HttpServletResponse.containsHeader must return false" */
TestResult tr0 =
tcd.getTestResultFailed(
V2DISPATCHERREQRESPTESTS4_SPEC2_19_INCLUDESERVLETRESOURCERESPONSE_CONTAINSHEADER);
try {
boolean ok = response.containsHeader("Accept");
tr0.setTcSuccess(ok == false);
} catch (Exception e) {
tr0.appendTcDetail(e.toString());
}
tr0.writeTo(writer);
/* TestCase: V2DispatcherReqRespTests4_SPEC2_19_IncludeServletResourceResponse_encodeRedirectURL1 */
/* Details: "In a target servlet of a include in the Resource phase, */
/* the method HttpServletResponse.encodeRedirectURL must return null" */
TestResult tr1 =
tcd.getTestResultFailed(
V2DISPATCHERREQRESPTESTS4_SPEC2_19_INCLUDESERVLETRESOURCERESPONSE_ENCODEREDIRECTURL1);
try {
String isval = response.encodeRedirectURL("http://www.cnn.com/");
CompareUtils.stringsEqual(isval, null, tr1);
} catch (Exception e) {
tr1.appendTcDetail(e.toString());
}
tr1.writeTo(writer);
/* TestCase: V2DispatcherReqRespTests4_SPEC2_19_IncludeServletResourceResponse_encodeRedirectUrl */
/* Details: "In a target servlet of a include in the Resource phase, */
/* the method HttpServletResponse.encodeRedirectUrl must return null" */
TestResult tr2 =
tcd.getTestResultFailed(
V2DISPATCHERREQRESPTESTS4_SPEC2_19_INCLUDESERVLETRESOURCERESPONSE_ENCODEREDIRECTURL);
try {
String isval = response.encodeRedirectUrl("http://www.cnn.com/");
CompareUtils.stringsEqual(isval, null, tr2);
} catch (Exception e) {
tr2.appendTcDetail(e.toString());
}
tr2.writeTo(writer);
/* TestCase: V2DispatcherReqRespTests4_SPEC2_19_IncludeServletResourceResponse_encodeURL1 */
/* Details: "In a target servlet of a include in the Resource phase, */
/* the method HttpServletResponse.encodeURL must provide the same */
/* functionality as ResourceResponse.encodeURL" */
TestResult tr3 =
tcd.getTestResultFailed(
V2DISPATCHERREQRESPTESTS4_SPEC2_19_INCLUDESERVLETRESOURCERESPONSE_ENCODEURL1);
try {
String turl = "http://www.apache.org/";
String hval = (String) response.encodeURL(turl);
String pval = (String) portletResp.encodeURL(turl);
CompareUtils.stringsEqual("HttpServletResponse", hval, "ResourceResponse", pval, tr3);
} catch (Exception e) {
tr3.appendTcDetail(e.toString());
}
tr3.writeTo(writer);
/* TestCase: V2DispatcherReqRespTests4_SPEC2_19_IncludeServletResourceResponse_encodeUrl */
/* Details: "In a target servlet of a include in the Resource phase, */
/* the method HttpServletResponse.encodeUrl must provide the same */
/* functionality as ResourceResponse.encodeURL" */
TestResult tr4 =
tcd.getTestResultFailed(
V2DISPATCHERREQRESPTESTS4_SPEC2_19_INCLUDESERVLETRESOURCERESPONSE_ENCODEURL);
try {
String turl = "http://www.apache.org/";
String hval = (String) response.encodeUrl(turl);
String pval = (String) portletResp.encodeURL(turl);
CompareUtils.stringsEqual("HttpServletResponse", hval, "ResourceResponse", pval, tr4);
} catch (Exception e) {
tr4.appendTcDetail(e.toString());
}
tr4.writeTo(writer);
/* TestCase: V2DispatcherReqRespTests4_SPEC2_19_IncludeServletResourceResponse_getBufferSize */
/* Details: "In a target servlet of a include in the Resource phase, */
/* the method HttpServletResponse.getBufferSize must provide the same */
/* functionality as ResourceResponse.getBufferSize" */
TestResult tr5 =
tcd.getTestResultFailed(
V2DISPATCHERREQRESPTESTS4_SPEC2_19_INCLUDESERVLETRESOURCERESPONSE_GETBUFFERSIZE);
try {
int hval = response.getBufferSize();
int pval = ((ResourceResponse) portletResp).getBufferSize();
String str =
"Value "
+ hval
+ " from "
+ "HttpServletResponse"
+ " does not equal value "
+ pval
+ " + ResourceResponse";
if (hval != pval) {
tr5.appendTcDetail(str);
}
tr5.setTcSuccess(hval == pval);
} catch (Exception e) {
tr5.appendTcDetail(e.toString());
}
tr5.writeTo(writer);
/* TestCase: V2DispatcherReqRespTests4_SPEC2_19_IncludeServletResourceResponse_getCharacterEncoding */
/* Details: "In a target servlet of a include in the Resource phase, */
/* the method HttpServletResponse.getCharacterEncoding must provide */
/* the same functionality as ResourceResponse.getCharacterEncoding" */
TestResult tr6 =
tcd.getTestResultFailed(
V2DISPATCHERREQRESPTESTS4_SPEC2_19_INCLUDESERVLETRESOURCERESPONSE_GETCHARACTERENCODING);
try {
String hval = response.getCharacterEncoding();
String pval = ((ResourceResponse) portletResp).getCharacterEncoding();
CompareUtils.stringsEqual("HttpServletResponse", hval, "ResourceResponse", pval, tr6);
} catch (Exception e) {
tr6.appendTcDetail(e.toString());
}
tr6.writeTo(writer);
/* TestCase: V2DispatcherReqRespTests4_SPEC2_19_IncludeServletResourceResponse_getContentType */
/* Details: "In a target servlet of a include in the Resource phase, */
/* the method HttpServletResponse.getContentType must provide the */
/* same functionality as ResourceResponse.getContentType" */
TestResult tr7 =
tcd.getTestResultFailed(
V2DISPATCHERREQRESPTESTS4_SPEC2_19_INCLUDESERVLETRESOURCERESPONSE_GETCONTENTTYPE);
try {
String hval = response.getContentType();
String pval = ((ResourceResponse) portletResp).getContentType();
CompareUtils.stringsEqual("HttpServletResponse", hval, "ResourceResponse", pval, tr7);
} catch (Exception e) {
tr7.appendTcDetail(e.toString());
}
tr7.writeTo(writer);
/* TestCase: V2DispatcherReqRespTests4_SPEC2_19_IncludeServletResourceResponse_getLocale */
/* Details: "In a target servlet of a include in the Resource phase, */
/* the method HttpServletResponse.getLocale must provide the same */
/* functionality as ResourceResponse.getLocale" */
TestResult tr8 =
tcd.getTestResultFailed(
V2DISPATCHERREQRESPTESTS4_SPEC2_19_INCLUDESERVLETRESOURCERESPONSE_GETLOCALE);
try {
Locale hl = response.getLocale();
Locale pl = ((MimeResponse) portletResp).getLocale();
String hval = hl.getDisplayName();
String pval = pl.getDisplayName();
CompareUtils.stringsEqual("HttpServletResponse", hval, "ResourceResponse", pval, tr8);
} catch (Exception e) {
tr8.appendTcDetail(e.toString());
}
tr8.writeTo(writer);
/* TestCase: V2DispatcherReqRespTests4_SPEC2_19_IncludeServletResourceResponse_isCommitted */
/* Details: "In a target servlet of a include in the Resource phase, */
/* the method HttpServletResponse.isCommitted must provide the same */
/* functionality as ResourceResponse.isCommitted" */
TestResult tr9 =
tcd.getTestResultFailed(
V2DISPATCHERREQRESPTESTS4_SPEC2_19_INCLUDESERVLETRESOURCERESPONSE_ISCOMMITTED);
try {
boolean hval = response.isCommitted();
boolean pval = ((ResourceResponse) portletResp).isCommitted();
String str =
"Value "
+ hval
+ " from "
+ "HttpServletResponse"
+ " does not equal value "
+ pval
+ " + ResourceResponse";
if (hval != pval) {
tr9.appendTcDetail(str);
}
tr9.setTcSuccess(hval == pval);
} catch (Exception e) {
tr9.appendTcDetail(e.toString());
}
tr9.writeTo(writer);
}
// 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
