/** @param args command line arguments */
public static void main(String[] args) {
DConnect2 dc;
for (String url : args) {
try {
System.out.println("");
System.out.println("");
System.out.println("########################################################");
System.out.println("\nConnecting to " + url + "\n");
dc = new DConnect2(url);
System.out.println("\n- - - - - - - - - - - - - - - - - - -");
System.out.println("Retrieving DDS:\n");
DDS dds = dc.getDDS();
dds.print(System.out);
System.out.println("\n- - - - - - - - - - - - - - - - - - -");
System.out.println("Retrieving DAS:\n");
DAS das = dc.getDAS();
das.print(System.out);
System.out.println("\n- - - - - - - - - - - - - - - - - - -");
System.out.println("Retrieving DATA:\n");
dds = dc.getData("");
dds.printVal(System.out, "");
System.out.println("\n- - - - - - - - - - - - - - - - - - -");
System.out.println("Retrieving DDX:\n");
dds = dc.getDDX();
dds.printXML(System.out);
} catch (Throwable t) {
t.printStackTrace(System.err);
}
}
}
/**
* ************************************************************************ Default handler for
* OPeNDAP ascii requests. Returns OPeNDAP DAP2 data in comma delimited ascii columns for
* ingestion into some not so OPeNDAP enabled application such as MS-Excel. Accepts constraint
* expressions in exactly the same way as the regular OPeNDAP dataserver.
*
* @param request
* @param response
* @param dataSet
* @throws opendap.dap.DAP2Exception
* @throws ParseException
*/
public void sendASCII(HttpServletRequest request, HttpServletResponse response, String dataSet)
throws DAP2Exception, ParseException {
if (Debug.isSet("showResponse"))
System.out.println(
"Sending OPeNDAP ASCII Data For: "
+ dataSet
+ " CE: '"
+ request.getQueryString()
+ "'");
String requestURL, ce;
DConnect2 url;
DataDDS dds;
if (request.getQueryString() == null) {
ce = "";
} else {
ce = "?" + request.getQueryString();
}
int suffixIndex = request.getRequestURL().toString().lastIndexOf(".");
requestURL = request.getRequestURL().substring(0, suffixIndex);
if (Debug.isSet("showResponse")) {
System.out.println("New Request URL Resource: '" + requestURL + "'");
System.out.println("New Request Constraint Expression: '" + ce + "'");
}
try {
if (_Debug) System.out.println("Making connection to .dods service...");
url = new DConnect2(requestURL, true);
if (_Debug) System.out.println("Requesting data...");
dds = url.getData(ce, null, new asciiFactory());
if (_Debug) System.out.println(" ASC DDS: ");
if (_Debug) dds.print(System.out);
PrintWriter pw = new PrintWriter(response.getOutputStream());
PrintWriter pwDebug = new PrintWriter(System.out);
if (dds != null) {
dds.print(pw);
pw.println("---------------------------------------------");
String s = "";
Enumeration e = dds.getVariables();
while (e.hasMoreElements()) {
BaseType bt = (BaseType) e.nextElement();
if (_Debug) ((toASCII) bt).toASCII(pwDebug, true, null, true);
// bt.toASCII(pw,addName,getNAme(),true);
((toASCII) bt).toASCII(pw, true, null, true);
}
} else {
String betterURL =
request.getRequestURL().substring(0, request.getRequestURL().lastIndexOf("."))
+ ".dods?"
+ request.getQueryString();
pw.println("-- ASCII RESPONSE HANDLER PROBLEM --");
pw.println("");
pw.println("The ASCII response handler was unable to obtain requested data set.");
pw.println("");
pw.println("Because this handler calls it's own OPeNDAP server to get the requested");
pw.println("data the source error is obscured.");
pw.println("");
pw.println("To get a better idea of what is going wrong, try requesting the URL:");
pw.println("");
pw.println(" " + betterURL);
pw.println("");
pw.println("And then look carefully at the returned document. Note that if you");
pw.println("are using a browser to access the URL the returned document will");
pw.println("more than likely be treated as a download and written to your");
pw.println("local disk. It should be a file with the extension \".dods\"");
pw.println("");
pw.println("Locate it, open it with a text editor, and find your");
pw.println("way to happiness and inner peace.");
pw.println("");
}
// pw.println("</pre>");
pw.flush();
if (_Debug) pwDebug.flush();
} catch (FileNotFoundException fnfe) {
System.out.println("OUCH! FileNotFoundException: " + fnfe.getMessage());
fnfe.printStackTrace(System.out);
} catch (MalformedURLException mue) {
System.out.println("OUCH! MalformedURLException: " + mue.getMessage());
mue.printStackTrace(System.out);
} catch (IOException ioe) {
System.out.println("OUCH! IOException: " + ioe.getMessage());
ioe.printStackTrace(System.out);
} catch (Throwable t) {
System.out.println("OUCH! Throwable: " + t.getMessage());
t.printStackTrace(System.out);
}
if (_Debug) System.out.println(" GetAsciiHandler done");
}