GDCM 3.2.1

SimplePrint.java
/*=========================================================================
Program: GDCM (Grassroots DICOM). A DICOM library
Copyright (c) 2006-2011 Mathieu Malaterre
All rights reserved.
See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/*
* Compilation:
* $ CLASSPATH=gdcm.jar javac ../../gdcm/Examples/Java/SimplePrint.java -d .
*
* Usage:
* $ LD_LIBRARY_PATH=. CLASSPATH=gdcm.jar:. java SimplePrint gdcmData/012345.002.050.dcm
*/
import gdcm.*;
public class SimplePrint
{
public static void RecurseDataSet(File f, DataSet ds, String indent)
{
JavaDataSet cds = new JavaDataSet(ds);
while(!cds.IsAtEnd())
{
DataElement de = cds.GetCurrent();
// Compute VR from the toplevel file, and the currently processed dataset:
VR vr = DataSetHelper.ComputeVR(f, ds, de.GetTag() );
if( vr.Compatible( new VR(VR.VRType.SQ) ) )
{
long uvl = de.GetVL().GetValueLength(); // Test cast is ok
System.out.println( indent + de.GetTag().toString() + ":" + uvl ); // why not ?
//SequenceOfItems sq = de.GetSequenceOfItems();
// GetValueAsSQ handle more cases than GetSequenceOfItems
SmartPtrSQ sq = de.GetValueAsSQ();
long n = sq.GetNumberOfItems();
for( long i = 1; i <= n; i++) // item starts at 1, not 0
{
Item item = sq.GetItem( i );
DataSet nested = item.GetNestedDataSet();
RecurseDataSet( f, nested, indent + " " );
}
}
else
{
System.out.println( indent + de.toString() );
}
cds.Next();
}
}
public static void main(String[] args) throws Exception
{
String filename = args[0];
Reader reader = new Reader();
reader.SetFileName( filename );
boolean ret = reader.Read();
if( !ret )
{
throw new Exception("Could not read: " + filename );
}
File f = reader.GetFile();
DataSet ds = f.GetDataSet();
RecurseDataSet( f, ds, "" );
}
}
gdcm
Definition gdcmASN1.h:21