public static boolean getEosInfo(NetcdfFile ncfile, Group eosGroup, Formatter f)
throws IOException {
String smeta = getStructMetadata(eosGroup);
if (smeta == null) {
f.format("No StructMetadata variables in group %s %n", eosGroup.getFullName());
return false;
}
f.format("raw = %n%s%n", smeta);
ODLparser parser = new ODLparser();
parser.parseFromString(smeta); // now we have the ODL in JDOM elements
StringWriter sw = new StringWriter(5000);
parser.showDoc(new PrintWriter(sw));
f.format("parsed = %n%s%n", sw.toString());
return true;
}
/**
* Amend the given NetcdfFile with metadata from HDF-EOS structMetadata
*
* @param ncfile Amend this file
* @param structMetadata structMetadata as String
* @throws IOException on read error
*/
private void amendFromODL(NetcdfFile ncfile, String structMetadata) throws IOException {
Group rootg = ncfile.getRootGroup();
ODLparser parser = new ODLparser();
Element root = parser.parseFromString(structMetadata); // now we have the ODL in JDOM elements
FeatureType featureType = null;
// SWATH
Element swathStructure = root.getChild("SwathStructure");
if (swathStructure != null) {
List<Element> swaths = swathStructure.getChildren();
for (Element elemSwath : swaths) {
Element swathNameElem = elemSwath.getChild("SwathName");
if (swathNameElem == null) {
log.warn("No SwathName element in {} {} ", elemSwath.getName(), ncfile.getLocation());
continue;
}
String swathName = NetcdfFile.makeValidCdmObjectName(swathNameElem.getText().trim());
Group swathGroup = findGroupNested(rootg, swathName);
// if (swathGroup == null)
// swathGroup = findGroupNested(rootg, H4header.createValidObjectName(swathName));
if (swathGroup != null) {
featureType = amendSwath(ncfile, elemSwath, swathGroup);
} else {
log.warn("Cant find swath group {} {}", swathName, ncfile.getLocation());
}
}
}
// GRID
Element gridStructure = root.getChild("GridStructure");
if (gridStructure != null) {
List<Element> grids = gridStructure.getChildren();
for (Element elemGrid : grids) {
Element gridNameElem = elemGrid.getChild("GridName");
if (gridNameElem == null) {
log.warn("No GridName element in {} {} ", elemGrid.getName(), ncfile.getLocation());
continue;
}
String gridName = NetcdfFile.makeValidCdmObjectName(gridNameElem.getText().trim());
Group gridGroup = findGroupNested(rootg, gridName);
// if (gridGroup == null)
// gridGroup = findGroupNested(rootg, H4header.createValidObjectName(gridName));
if (gridGroup != null) {
featureType = amendGrid(elemGrid, ncfile, gridGroup, ncfile.getLocation());
} else {
log.warn("Cant find Grid group {} {}", gridName, ncfile.getLocation());
}
}
}
// POINT - NOT DONE YET
Element pointStructure = root.getChild("PointStructure");
if (pointStructure != null) {
List<Element> pts = pointStructure.getChildren();
for (Element elem : pts) {
Element nameElem = elem.getChild("PointName");
if (nameElem == null) {
log.warn("No PointName element in {} {}", elem.getName(), ncfile.getLocation());
continue;
}
String name = nameElem.getText().trim();
Group ptGroup = findGroupNested(rootg, name);
// if (ptGroup == null)
// ptGroup = findGroupNested(rootg, H4header.createValidObjectName(name));
if (ptGroup != null) {
featureType = FeatureType.POINT;
} else {
log.warn("Cant find Point group {} {}", name, ncfile.getLocation());
}
}
}
if (featureType != null) {
if (showWork) System.out.println("***EOS featureType= " + featureType.toString());
rootg.addAttribute(new Attribute(CF.FEATURE_TYPE, featureType.toString()));
// rootg.addAttribute(new Attribute(CDM.CONVENTIONS, "HDFEOS"));
}
}
public static void main(String args[]) throws IOException {
ODLparser p = new ODLparser();
p.parseFile("c:/temp/odl.struct.txt");
}