protected Object exec(Object[] args, Context context) {
int nargs = args.length;
if (nargs != 1 && nargs != 2) {
undefined(args, context);
return null;
}
HttpServletRequest request = (HttpServletRequest) args[0];
String enc;
if (nargs == 1) {
enc = ServletEncoding.getDefaultInputEncoding(context);
} else {
enc = (String) args[1];
}
String contentType = request.getContentType();
if (contentType != null && contentType.startsWith("multipart/form-data")) {
throw new RuntimeException("not yet implemented");
} else {
try {
ByteArrayOutputStream bout = new ByteArrayOutputStream();
byte[] buf = new byte[512];
int n;
InputStream in = request.getInputStream();
while ((n = in.read(buf, 0, buf.length)) != -1) {
bout.write(buf, 0, n);
}
in.close();
String qs = new String(bout.toByteArray());
Map map = URLEncoding.parseQueryString(qs, enc);
return new ServletParameter(map);
} catch (IOException e) {
throw new PnutsException(e, context);
}
}
}
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
super.doPost(request, response);
try {
if (!ServletFileUpload.isMultipartContent(request)) {
response.sendError(HttpServletResponse.SC_BAD_REQUEST);
return;
}
ServletFileUpload sfU = new ServletFileUpload();
FileItemIterator items = sfU.getItemIterator(request);
while (items.hasNext()) {
FileItemStream item = items.next();
if (!item.isFormField()) {
InputStream stream = item.openStream();
Document doc = editor.toDocument(stream);
stream.close();
handleDocument(request, response, doc);
return;
}
}
response.sendError(HttpServletResponse.SC_BAD_REQUEST, "No XML uploaded");
} catch (FileUploadException fuE) {
response.sendError(HttpServletResponse.SC_BAD_REQUEST, fuE.getMessage());
} catch (JDOMException jE) {
response.sendError(HttpServletResponse.SC_BAD_REQUEST, jE.getMessage());
}
}
private static synchronized String getJavascript() {
if (jstext == null) {
InputStream istr = null;
try {
ClassLoader loader = Thread.currentThread().getContextClassLoader();
istr = loader.getResourceAsStream(JAVASCRIPT_RESOURCE);
jstext = StringUtil.fromInputStream(istr);
istr.close();
} catch (Exception e) {
log.error("Can't load javascript", e);
} finally {
IOUtil.safeClose(istr);
}
}
return jstext;
}
public static void main(String args[]) throws IOException {
// Function References
String path =
"http://motherlode.ucar.edu:8081/thredds/radarServer/nexrad/level3/IDD/dataset.xml";
try {
catURI = new URI(StringUtil2.escape(path, "/:-_."));
} catch (URISyntaxException e) {
System.out.println("radarServer main: URISyntaxException=" + e.getMessage());
return;
}
// read the catalog
System.out.println("radarServer main: full path=" + path);
InputStream ios = null;
try {
URL url = new URL(path);
ios = url.openStream();
// ios = new FileInputStream(path);
// acat = factory.readXML(ios, catURI );
BufferedReader dataIS = new BufferedReader(new InputStreamReader(ios));
while (true) {
String line = dataIS.readLine();
if (line == null) break;
System.out.println(line);
}
} catch (Throwable t) {
System.out.println("radarServer main: Exception on catalog=" + path + " " + t.getMessage());
return;
} finally {
if (ios != null) {
try {
ios.close();
} catch (IOException e) {
System.out.println("radarServer main: error closing" + path);
}
}
}
return;
}
/**
* return OutputStream of JasperReport object, this page could only be viewed from localhost for
* security concern. parameter can be (id), or (table and type)
*
* @param id - report id, or
* @param table - table name
* @param type - reporttype "s","l","o", case insensitive
* @param client(*) - client domain
* @param version - version number, default to -1
*/
public void process(HttpServletRequest request, HttpServletResponse response) throws Exception {
String clientName = request.getParameter("client");
int objectId = ParamUtils.getIntAttributeOrParameter(request, "id", -1);
if (objectId == -1) {
// try using table and type
objectId =
getReportId(clientName, request.getParameter("table"), request.getParameter("type"));
}
if (objectId == -1) {
logger.error("report not found, request is:" + Tools.toString(request));
throw new NDSException("report not found");
}
int version = ParamUtils.getIntAttributeOrParameter(request, "version", -1);
File reportXMLFile = new File(ReportTools.getReportFile(objectId, clientName));
if (reportXMLFile.exists()) {
// generate jasperreport if file not exists or not newer
String reportName =
reportXMLFile.getName().substring(0, reportXMLFile.getName().lastIndexOf("."));
File reportJasperFile = new File(reportXMLFile.getParent(), reportName + ".jasper");
if (!reportJasperFile.exists()
|| reportJasperFile.lastModified() < reportXMLFile.lastModified()) {
JasperCompileManager.compileReportToFile(
reportXMLFile.getAbsolutePath(), reportJasperFile.getAbsolutePath());
}
InputStream is = new FileInputStream(reportJasperFile);
response.setContentType("application/octetstream;");
response.setContentLength((int) reportJasperFile.length());
// response.setHeader("Content-Disposition","inline;filename=\""+reportJasperFile.getName()+"\"");
ServletOutputStream os = response.getOutputStream();
byte[] b = new byte[8192];
int bInt;
while ((bInt = is.read(b, 0, b.length)) != -1) {
os.write(b, 0, bInt);
}
is.close();
os.flush();
os.close();
} else {
throw new NDSException("Not found report template");
}
}
public void download(HttpServletResponse response, String filename) throws IOException {
StringTokenizer tokenTO = new StringTokenizer(filename, "\\");
int j = 0;
String[] filepath1 = new String[10];
while (tokenTO.hasMoreTokens()) {
filepath1[j] = tokenTO.nextToken();
j++;
}
String filepath = "";
for (int m = 0; m < j - 1; m++) {
filepath = filepath + filepath1[m] + "\\";
}
filepath = filepath + filepath1[j - 1];
File down_file = new java.io.File(filepath);
long l = down_file.length(); // 文件长度
InputStream in = new FileInputStream(down_file);
if (in != null) {
try {
String fs = down_file.getName();
response.reset();
response.setContentType(null); //
String s = "attachment; filename=" + fs; //
response.setHeader("Content-Disposition", s); // 以上输出文件元信息
OutputStream output = null;
FileInputStream fis = null;
output = response.getOutputStream();
fis = new FileInputStream(filepath);
response.setContentLength((int) l);
byte[] b = new byte[2048];
int i = 0;
while ((i = fis.read(b)) > 0) {
output.write(b, 0, i);
}
output.flush();
in.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
// Variable initializations.
HttpSession session = request.getSession();
FileItem image_file = null;
int record_id = 0;
int image_id;
// Check if a record ID has been entered.
if (request.getParameter("recordID") == null || request.getParameter("recordID").equals("")) {
// If no ID has been entered, send message to jsp.
response_message =
"<p><font color=FF0000>No Record ID Detected, Please Enter One.</font></p>";
session.setAttribute("msg", response_message);
response.sendRedirect("UploadImage.jsp");
}
try {
// Parse the HTTP request to get the image stream.
DiskFileUpload fu = new DiskFileUpload();
// Will get multiple image files if that happens and can be accessed through FileItems.
List<FileItem> FileItems = fu.parseRequest(request);
// Connect to the database and create a statement.
conn = getConnected(drivername, dbstring, username, password);
stmt = conn.createStatement();
// Process the uploaded items, assuming only 1 image file uploaded.
Iterator<FileItem> i = FileItems.iterator();
while (i.hasNext()) {
FileItem item = (FileItem) i.next();
// Test if item is a form field and matches recordID.
if (item.isFormField()) {
if (item.getFieldName().equals("recordID")) {
// Covert record id from string to integer.
record_id = Integer.parseInt(item.getString());
String sql = "select count(*) from radiology_record where record_id = " + record_id;
int count = 0;
try {
rset = stmt.executeQuery(sql);
while (rset != null && rset.next()) {
count = (rset.getInt(1));
}
} catch (SQLException e) {
response_message = e.getMessage();
}
// Check if recordID is in the database.
if (count == 0) {
// Invalid recordID, send message to jsp.
response_message =
"<p><font color=FF0000>Record ID Does Not Exist In Database.</font></p>";
session.setAttribute("msg", response_message);
// Close connection.
conn.close();
response.sendRedirect("UploadImage.jsp");
}
}
} else {
image_file = item;
if (image_file.getName().equals("")) {
// No file, send message to jsp.
response_message = "<p><font color=FF0000>No File Selected For Record ID.</font></p>";
session.setAttribute("msg", response_message);
// Close connection.
conn.close();
response.sendRedirect("UploadImage.jsp");
}
}
}
// Get the image stream.
InputStream instream = image_file.getInputStream();
BufferedImage full_image = ImageIO.read(instream);
BufferedImage thumbnail = shrink(full_image, 10);
BufferedImage regular_image = shrink(full_image, 5);
// First, to generate a unique img_id using an SQL sequence.
rset1 = stmt.executeQuery("SELECT image_id_sequence.nextval from dual");
rset1.next();
image_id = rset1.getInt(1);
// Insert an empty blob into the table first. Note that you have to
// use the Oracle specific function empty_blob() to create an empty blob.
stmt.execute(
"INSERT INTO pacs_images VALUES("
+ record_id
+ ","
+ image_id
+ ", empty_blob(), empty_blob(), empty_blob())");
// to retrieve the lob_locator
// Note that you must use "FOR UPDATE" in the select statement
String cmd = "SELECT * FROM pacs_images WHERE image_id = " + image_id + " FOR UPDATE";
rset = stmt.executeQuery(cmd);
rset.next();
BLOB myblobFull = ((OracleResultSet) rset).getBLOB(5);
BLOB myblobThumb = ((OracleResultSet) rset).getBLOB(3);
BLOB myblobRegular = ((OracleResultSet) rset).getBLOB(4);
// Write the full size image to the blob object.
OutputStream fullOutstream = myblobFull.getBinaryOutputStream();
ImageIO.write(full_image, "jpg", fullOutstream);
// Write the thumbnail size image to the blob object.
OutputStream thumbOutstream = myblobThumb.getBinaryOutputStream();
ImageIO.write(thumbnail, "jpg", thumbOutstream);
// Write the regular size image to the blob object.
OutputStream regularOutstream = myblobRegular.getBinaryOutputStream();
ImageIO.write(regular_image, "jpg", regularOutstream);
// Commit the changes to database.
stmt.executeUpdate("commit");
response_message = "<p><font color=00CC00>Upload Successful.</font></p>";
session.setAttribute("msg", response_message);
instream.close();
fullOutstream.close();
thumbOutstream.close();
regularOutstream.close();
// Close connection.
conn.close();
response.sendRedirect("UploadImage.jsp");
instream.close();
fullOutstream.close();
thumbOutstream.close();
regularOutstream.close();
// Close connection.
conn.close();
} catch (Exception ex) {
response_message = ex.getMessage();
}
}
private void datasetInfoHtml(
RadarType radarType, String pathInfo, PrintWriter pw, HttpServletResponse res)
throws IOException {
pathInfo = pathInfo.replace("/dataset.html", "");
pathInfo = pathInfo.replace("/catalog.html", "");
Element root = new Element("RadarNexrad");
Document doc = new Document(root);
if (pathInfo.startsWith("/")) pathInfo = pathInfo.substring(1);
for (int i = 0; i < datasets.size(); i++) {
InvDatasetScan ds = (InvDatasetScan) datasets.get(i);
if (!(pathInfo.equals(ds.getPath()))) {
continue;
}
// at this point a valid dataset
// fix the location
root.setAttribute("location", "/thredds/radarServer/" + ds.getPath());
// spatial range
ThreddsMetadata.GeospatialCoverage gc = ds.getGeospatialCoverage();
LatLonRect bb = new LatLonRect();
gc.setBoundingBox(bb);
String north = Double.toString(gc.getLatNorth());
String south = Double.toString(gc.getLatSouth());
String east = Double.toString(gc.getLonEast());
String west = Double.toString(gc.getLonWest());
Element LatLonBox = new Element("LatLonBox");
LatLonBox.addContent(new Element("north").addContent(north));
LatLonBox.addContent(new Element("south").addContent(south));
LatLonBox.addContent(new Element("east").addContent(east));
LatLonBox.addContent(new Element("west").addContent(west));
root.addContent(LatLonBox);
// get the time range
Element timeSpan = new Element("TimeSpan");
CalendarDateRange dr = ds.getCalendarDateCoverage();
timeSpan.addContent(new Element("begin").addContent(dr.getStart().toString()));
timeSpan.addContent(new Element("end").addContent(dr.getEnd().toString()));
root.addContent(timeSpan);
ThreddsMetadata.Variables cvs = (ThreddsMetadata.Variables) ds.getVariables().get(0);
List vl = cvs.getVariableList();
for (int j = 0; j < vl.size(); j++) {
ThreddsMetadata.Variable v = (ThreddsMetadata.Variable) vl.get(j);
Element variable = new Element("variable");
variable.setAttribute("name", v.getName());
root.addContent(variable);
}
// add pointer to the station list XML
/*
Element stnList = new Element("stationList");
stnList.setAttribute("title", "Available Stations", XMLEntityResolver.xlinkNS);
stnList.setAttribute("href", "/thredds/radarServer/"+ pathInfo +"/stations.xml",
XMLEntityResolver.xlinkNS);
root.addContent(stnList);
*/
// String[] stations = rns.stationsDS( dataLocation.get( ds.getPath() ));
// rns.printStations( stations );
// add accept list
Element a = new Element("AcceptList");
a.addContent(new Element("accept").addContent("xml"));
a.addContent(new Element("accept").addContent("html"));
root.addContent(a);
}
ServerMethods sm = new ServerMethods(log);
InputStream xslt = sm.getInputStream(contentPath + getPath() + "radar.xsl", RadarServer.class);
try {
// what's wrong here xslt = getXSLT( "radar.xsl" );
XSLTransformer transformer = new XSLTransformer(xslt);
Document html = transformer.transform(doc);
XMLOutputter fmt = new XMLOutputter(Format.getPrettyFormat());
String infoString = fmt.outputString(html);
res.setContentType("text/html; charset=iso-8859-1");
pw = res.getWriter();
pw.println(infoString);
pw.flush();
} catch (Exception e) {
log.error("radarServer reading " + contentPath + getPath() + "radar.xsl");
log.error("radarServer XSLTransformer problem for web form ", e);
} finally {
if (xslt != null) {
try {
xslt.close();
} catch (IOException e) {
log.error("radarServer radar.xsl: error closing" + contentPath + getPath() + "radar.xsl");
}
}
}
return;
}