protected DataItem getDataItem(int iRank) throws NexusException {
DataItem dataItem;
NexusNode nnNode = getCurrentPath().getCurrentNode();
String sNodeName = nnNode.getNodeName();
String sNodeClass = nnNode.getClassName();
// If encountered a DataItem get its datas
if (!nnNode.isGroup() && !sNodeClass.equals("NXtechnical_data")) {
dataItem = readDataItem(iRank);
dataItem.setNodeName(sNodeName);
return dataItem;
}
// else if we encountered a NXtechnical_data group: we get its "data"
// and "description"
else if (!nnNode.isGroup() && sNodeClass.equals("NXtechnical_data")) {
// Get the "data" node
openData("data");
dataItem = readDataItem(iRank);
dataItem.setNodeName(sNodeName);
closeData();
// Try to get a description for the technical data
try {
// Set to "data" as description attribute the "description" node
// beside
openData("description");
dataItem.setDesc(readDataItem(iRank).getData());
closeData();
} catch (NexusException ne) {
closeData();
}
dataItem.setPath(getCurrentPath().clone());
return dataItem;
} else {
return null;
}
}
/**
* readDataInfo Return the DataItem fitting the opened DataItem, without main data. The DataItem
* is initialized with dimsize, type... but the DataItem isn't read.
*/
public DataItem readDataInfo() throws NexusException {
NexusNode nnNode = getCurrentPath().getCurrentNode();
if (!nnNode.isGroup() && nnNode.getClassName().equals("NXtechnical_data")) {
return getDataItem();
}
// Get infos on DataItem (data type, rank, dimsize)
int[] iNodeSize = new int[RANK_MAX]; // whole DataItem dimension's sizes
int[] iDimSize; // data dimension's sizes
int[] iDataInf = new int[2]; // iDataInf[0] = DataItem rank ;
// iDataInf[1]= data type
openFile();
getNexusFile().getinfo(iNodeSize, iDataInf);
// Initialize dimension's sizes
iDimSize = new int[iDataInf[0]];
System.arraycopy(iNodeSize, 0, iDimSize, 0, iDataInf[0]);
// Check if DataItem is linked to an external DataItem
DataItem dsData = new DataItem();
dsData.setType(iDataInf[1]);
dsData.setSize(iDimSize);
dsData.setSlabSize(iDimSize);
dsData.setStart(new int[iDimSize.length]);
dsData.setNodeName(getCurrentPath().getDataItemName());
dsData.setPath(getCurrentPath().clone());
dsData.isSingleRawArray(m_bResultAsSingleRaw);
if (dsData.getType() == NexusFile.NX_CHAR) {
dsData.setData(readNodeValue(iDataInf, dsData.getSize(), iDimSize.length));
}
closeFile();
// Initialize DataItem's attributes
getDataItemAttribute(dsData);
return dsData;
}