long computeFieldSize(BaseType bt, boolean isAscii) throws Exception {
long fieldsize = 0;
// Figure out what this field is (e.g. primitive or not)
// Somewhat convoluted.
if (bt instanceof DConstructor) {
// simple struct, seq, or grid => recurse
fieldsize = computeSize((DConstructor) bt, isAscii);
} else if (bt instanceof DArray) {
SDArray da = (SDArray) bt;
// Separate structure arrays from primitive arrays
if (da.getContainerVar() instanceof DPrimitive) {
fieldsize = computeArraySize(da);
} else if (da.getContainerVar() instanceof DStructure) {
fieldsize = computeSize((DStructure) da.getContainerVar(), isAscii); // recurse
} else { // Some kind of problem
throw new NoSuchTypeException("Computesize: unexpected type for " + bt.getLongName());
}
} else if (bt instanceof DPrimitive) {
DPrimitive dp = (DPrimitive) bt;
if (dp instanceof DString) {
String v = ((DString) dp).getValue();
fieldsize = (v == null ? 0 : v.length());
} else {
DataType dtype = DODSNetcdfFile.convertToNCType(bt);
fieldsize = dtype.getSize();
}
} else { // Some kind of problem
throw new NoSuchTypeException("Computesize: unknown type for " + bt.getLongName());
}
return fieldsize;
}
private int addAttributes(opendap.dap.AttributeTable table, Variable v, Iterator iter) {
int count = 0;
// add attribute table for this variable
while (iter.hasNext()) {
Attribute att = (Attribute) iter.next();
int dods_type = DODSNetcdfFile.convertToDODSType(att.getDataType(), false);
try {
String attName = NcDDS.escapeName(att.getName());
if (att.isString()) {
/* FIX String value = escapeAttributeStringValues(att.getStringValue());
table.appendAttribute(attName, dods_type, "\""+value+"\"");
*/
table.appendAttribute(attName, dods_type, att.getStringValue());
} else {
// cant send signed bytes
if (att.getDataType() == DataType.BYTE) {
boolean signed = false;
for (int i = 0; i < att.getLength(); i++) {
if (att.getNumericValue(i).byteValue() < 0) signed = true;
}
if (signed) // promote to signed short
dods_type = opendap.dap.Attribute.INT16;
}
for (int i = 0; i < att.getLength(); i++)
table.appendAttribute(attName, dods_type, att.getNumericValue(i).toString());
}
count++;
} catch (Exception e) {
log.error(
"Error appending attribute " + att.getName() + " = " + att.getStringValue() + "\n" + e);
}
} // loop over variable attributes
// kludgy thing to map char arrays to DODS Strings
if ((v != null) && (v.getDataType().getPrimitiveClassType() == char.class)) {
int rank = v.getRank();
int strlen = (rank == 0) ? 0 : v.getShape(rank - 1);
Dimension dim = (rank == 0) ? null : v.getDimension(rank - 1);
try {
opendap.dap.AttributeTable dodsTable = table.appendContainer("DODS");
dodsTable.appendAttribute("strlen", opendap.dap.Attribute.INT32, Integer.toString(strlen));
if ((dim != null) && dim.isShared())
dodsTable.appendAttribute("dimName", opendap.dap.Attribute.STRING, dim.getName());
count++;
} catch (Exception e) {
log.error("Error appending attribute strlen\n" + e);
}
}
return count;
}
long computeArraySize(SDArray da) throws Exception {
assert (da.getContainerVar() instanceof DPrimitive);
BaseType base = da.getPrimitiveVector().getTemplate();
DataType dtype = DODSNetcdfFile.convertToNCType(base);
int elemSize = dtype.getSize();
int n = da.numDimensions();
List<Range> ranges = new ArrayList<Range>(n);
long size = 0;
for (int i = 0; i < n; i++) {
ranges.add(new Range(da.getStart(i), da.getStop(i), da.getStride(i)));
Section s = new Section(ranges);
size += s.computeSize() * elemSize;
}
return size;
}
private NetcdfDataset openDataset(
InvAccess access, boolean acquire, ucar.nc2.util.CancelTask task, Result result)
throws IOException {
InvDataset invDataset = access.getDataset();
String datasetId = invDataset.getID();
String title = invDataset.getName();
String datasetLocation = access.getStandardUrlName();
ServiceType serviceType = access.getService().getServiceType();
if (debugOpen) System.out.println("ThreddsDataset.openDataset= " + datasetLocation);
// deal with RESOLVER type
if (serviceType == ServiceType.RESOLVER) {
InvDatasetImpl rds = openResolver(datasetLocation, task, result);
if (rds == null) return null;
return openDataset(rds, acquire, task, result);
}
// ready to open it through netcdf API
NetcdfDataset ds;
// open DODS type
if ((serviceType == ServiceType.OPENDAP) || (serviceType == ServiceType.DODS)) {
String curl = DODSNetcdfFile.canonicalURL(datasetLocation);
ds =
acquire
? NetcdfDataset.acquireDataset(curl, enhanceMode, task)
: NetcdfDataset.openDataset(curl, enhanceMode, task);
}
// open CdmRemote
else if (serviceType == ServiceType.CdmRemote) {
String curl = CdmRemote.canonicalURL(datasetLocation);
ds =
acquire
? NetcdfDataset.acquireDataset(curl, enhanceMode, task)
: NetcdfDataset.openDataset(curl, enhanceMode, task);
}
/* open ADDE type
else if (serviceType == ServiceType.ADDE) {
try {
ds = ucar.nc2.adde.AddeDatasetFactory.openDataset(access, task);
} catch (IOException e) {
log.append("Cant open as ADDE dataset= "+datasetLocation);
accessList.remove( access);
continue;
}
} */
else {
// open through NetcdfDataset API
ds =
acquire
? NetcdfDataset.acquireDataset(datasetLocation, enhanceMode, task)
: NetcdfDataset.openDataset(datasetLocation, enhanceMode, task);
}
if (ds != null) {
ds.setId(datasetId);
ds.setTitle(title);
annotate(invDataset, ds);
}
// see if there's metadata LOOK whats this
List list = invDataset.getMetadata(MetadataType.NcML);
if (list.size() > 0) {
InvMetadata ncmlMetadata = (InvMetadata) list.get(0);
NcMLReader.wrapNcML(ds, ncmlMetadata.getXlinkHref(), null);
}
result.accessUsed = access;
return ds;
}
@Test
public void testDuplicates() throws Exception {
// Check if we are running against motherlode or localhost, or what.
String testserver = System.getProperty("testserver");
if (testserver == null) testserver = DFALTTESTSERVER;
List<Result> results = new ArrayList<Result>();
if (true) {
results.add(
new Result(
"Top and field vars have same names",
"http://" + testserver + "/dts/structdupname",
"netcdf dods://"
+ testserver
+ "/dts/structdupname {\n"
+ " variables:\n"
+ " int time;\n"
+ "Structure {\n"
+ " float time;\n"
+ "} record;\n"
+ "}"));
}
if (true) {
results.add(
new Result(
"TestFailure",
"http://" + testserver + "/dts/simplestruct",
"netcdf dods://"
+ testserver
+ "/dts/simplestruct {\n"
+ " variables:\n"
+ "Structure {\n"
+ " int i32;\n"
+ "} types;\n"
+ "}"));
}
boolean pass = true;
for (Result result : results) {
System.out.println("TestDuplicates: " + result.url);
boolean localpass = true;
try {
DODSNetcdfFile ncfile = new DODSNetcdfFile(result.url);
if (ncfile == null) throw new Exception("Cannot read: " + result.url);
StringWriter ow = new StringWriter();
PrintWriter pw = new PrintWriter(ow);
ncfile.writeCDL(pw, false);
try {
pw.close();
ow.close();
} catch (IOException ioe) {
}
;
StringReader baserdr = new StringReader(result.cdl);
String captured = ow.toString();
StringReader resultrdr = new StringReader(captured);
// Diff the two files
Diff diff = new Diff("Testing " + result.title);
localpass = !diff.doDiff(baserdr, resultrdr);
baserdr.close();
resultrdr.close();
// Dump the output for visual comparison
if (System.getProperty("visual") != null) {
System.out.println("Testing " + result.title + " visual:");
System.out.println("---------------");
System.out.print(captured);
System.out.println("---------------");
}
} catch (IllegalArgumentException e) {
localpass = false;
}
if (!localpass) pass = false;
}
System.out.flush();
System.err.flush();
junit.framework.Assert.assertTrue("Testing " + getTitle(), pass);
}
