How to use

getAttributes

method

in

ucar.nc2.Group

protected void unravelStringMet(NetcdfFile ncFile, Group group, Metadata met) {
  if (group == null) {
    group = ncFile.getRootGroup();
  }
  // get file type
  met.set("File-Type-Description", ncFile.getFileTypeDescription());
  // unravel its string attrs
  for (Attribute attribute : group.getAttributes()) {
    if (attribute.isString()) {
      met.add(attribute.getFullName(), attribute.getStringValue());
    } else {
      // try and cast its value to a string
      met.add(attribute.getFullName(), String.valueOf(attribute
          .getNumericValue()));
    }
  }
  for (Group g : group.getGroups()) {
    unravelStringMet(ncFile, g, met);
  }
}

public List getAttributes() {
  return ncd.getRootGroup().getAttributes();
}

public List getAttributes() {
 return ncd.getRootGroup().getAttributes();
}

public static NcAttributeMap create(Group group) {
  return new NcAttributeMap(group.getAttributes());
}

public List getAttributes() {
  return ncd.getRootGroup().getAttributes();
}

private static void addAttributes(final MetadataElement parentElem, final Group parentGroup) {
  final List<Attribute> attribList = parentGroup.getAttributes();
  for (Attribute at : attribList) {
    createMetadataAttributes(parentElem, at, at.getName());
  }
}

void dumpClasses(Group g, PrintStream out) {
 out.println("Dimensions:");
 for (Dimension ds : g.getDimensions()) {
  out.println("  " + ds.getShortName() + " " + ds.getClass().getName());
 }
 out.println("Atributes:");
 for (Attribute a : g.getAttributes()) {
  out.println("  " + a.getShortName() + " " + a.getClass().getName());
 }
 out.println("Variables:");
 dumpVariables(g.getVariables(), out);
 out.println("Groups:");
 for (Group nested : g.getGroups()) {
  out.println("  " + nested.getFullName() + " " + nested.getClass().getName());
  dumpClasses(nested, out);
 }
}

void dumpClasses(Group g, PrintWriter out) {
 out.println("Dimensions:");
 for (Dimension ds : g.getDimensions()) {
  out.println("  " + ds.getShortName() + " " + ds.getClass().getName());
 }
 out.println("Atributes:");
 for (Attribute a : g.getAttributes()) {
  out.println("  " + a.getShortName() + " " + a.getClass().getName());
 }
 out.println("Variables:");
 dumpVariables(g.getVariables(), out);
 out.println("Groups:");
 for (Group nested : g.getGroups()) {
  out.println("  " + nested.getFullName() + " " + nested.getClass().getName());
  dumpClasses(nested, out);
 }
}

void dumpClasses(Group g, PrintWriter out) {
 out.println("Dimensions:");
 for (Dimension ds : g.getDimensions()) {
  out.println("  " + ds.getShortName() + " " + ds.getClass().getName());
 }
 out.println("Atributes:");
 for (Attribute a : g.getAttributes()) {
  out.println("  " + a.getShortName() + " " + a.getClass().getName());
 }
 out.println("Variables:");
 dumpVariables(g.getVariables(), out);
 out.println("Groups:");
 for (Group nested : g.getGroups()) {
  out.println("  " + nested.getFullName() + " " + nested.getClass().getName());
  dumpClasses(nested, out);
 }
}

/**
 * Copy attributes from src to target, skip ones that already exist (by name)
 * @param src copy from here
 * @param target copy to here
 */
static public void transferGroupAttributes(Group src, Group target) {
 for (Attribute a : src.getAttributes()) {
  if (null == target.findAttribute(a.getShortName()))
   target.addAttribute(a);
 }
}

/**
 * Copy attributes from src to target, skip ones that already exist (by name)
 * @param src copy from here
 * @param target copy to here
 */
static public void transferGroupAttributes(Group src, Group target) {
 for (Attribute a : src.getAttributes()) {
  if (null == target.findAttribute(a.getShortName()))
   target.addAttribute(a);
 }
}

/**
 * Copy attributes from src to target, skip ones that already exist (by name)
 * @param src copy from here
 * @param target copy to here
 */
static public void transferGroupAttributes(Group src, Group target) {
 for (Attribute a : src.getAttributes()) {
  if (null == target.findAttribute(a.getShortName()))
   target.addAttribute(a);
 }
}

 private void count(Group g) {
  ndims += g.getDimensions().size();
  nvars += g.getVariables().size();
  ngatts += g.getAttributes().size();
  ngroups += g.getGroups().size();
  for (Variable v : g.getVariables()) {
   natts += v.getAttributes().size();
   if (v instanceof Structure) {
    nstructFields += ((Structure) v).getVariables().size();
   }
  }
  for (Group ng : g.getGroups())
   count(ng);
 }
}

 private void count(Group g) {
  ndims += g.getDimensions().size();
  nvars += g.getVariables().size();
  ngatts += g.getAttributes().size();
  ngroups += g.getGroups().size();
  for (Variable v : g.getVariables()) {
   natts += v.getAttributes().size();
   if (v instanceof Structure) {
    nstructFields += ((Structure) v).getVariables().size();
   }
  }
  for (Group ng : g.getGroups())
   count(ng);
 }
}

@Test
public void testReadAll() throws IOException
{
  NetcdfFile ncfile = TestDir.openFileLocal("testSpecialAttributes.nc4");
  // Iterate over all top-level attributes and see if it is special
  for(Attribute a : ncfile.getRootGroup().getAttributes()) {
    Assert.assertTrue("Attribute iteration found special attribute: " + a.getShortName(),
        !Attribute.isspecial(a));
  }
  ncfile.close();
}

private void convertGroup(Group g, Group from) {
 for (EnumTypedef et : from.getEnumTypedefs())
  g.addEnumeration(et);
 for (Dimension d : from.getDimensions())
  g.addDimension(new Dimension(d.getShortName(), d));
 for (Attribute a : from.getAttributes())
  g.addAttribute(a);
 for (Variable v : from.getVariables())
  g.addVariable(convertVariable(g, v));
 for (Group nested : from.getGroups()) {
  Group nnested = new Group(this, g, nested.getShortName());
  g.addGroup(nnested);
  convertGroup(nnested, nested);
 }
}

private void convertGroup(Group g, Group from) {
 for (EnumTypedef et : from.getEnumTypedefs())
  g.addEnumeration(et);
 for (Dimension d : from.getDimensions())
  g.addDimension(new Dimension(d.getShortName(), d));
 for (Attribute a : from.getAttributes())
  g.addAttribute(a);
 for (Variable v : from.getVariables())
  g.addVariable(convertVariable(g, v));
 for (Group nested : from.getGroups()) {
  Group nnested = new Group(this, g, nested.getShortName());
  g.addGroup(nnested);
  convertGroup(nnested, nested);
 }
}

private void convertGroup(Group g, Group from) {
 for (EnumTypedef et : from.getEnumTypedefs())
  g.addEnumeration(et);
 for (Dimension d : from.getDimensions())
  g.addDimension(new Dimension(d.getShortName(), d));
 for (Attribute a : from.getAttributes())
  g.addAttribute(a);
 for (Variable v : from.getVariables())
  g.addVariable(convertVariable(g, v));
 for (Group nested : from.getGroups()) {
  Group nnested = new Group(this, g, nested.getShortName());
  g.addGroup(nnested);
  convertGroup(nnested, nested);
 }
}

static NcStreamProto.Group.Builder encodeGroup(Group g, int sizeToCache) throws IOException {
 NcStreamProto.Group.Builder groupBuilder = NcStreamProto.Group.newBuilder();
 groupBuilder.setName(g.getShortName());
 for (Dimension dim : g.getDimensions())
  groupBuilder.addDims(NcStream.encodeDim(dim));
 for (Attribute att : g.getAttributes())
  groupBuilder.addAtts(NcStream.encodeAtt(att));
 for (EnumTypedef enumType : g.getEnumTypedefs())
  groupBuilder.addEnumTypes(NcStream.encodeEnumTypedef(enumType));
 for (Variable var : g.getVariables()) {
  if (var instanceof Structure)
   groupBuilder.addStructs(NcStream.encodeStructure((Structure) var));
  else
   groupBuilder.addVars(NcStream.encodeVar(var, sizeToCache));
 }
 for (Group ng : g.getGroups())
  groupBuilder.addGroups(encodeGroup(ng, sizeToCache));
 return groupBuilder;
}

static NcStreamProto.Group.Builder encodeGroup(Group g, int sizeToCache) throws IOException {
 NcStreamProto.Group.Builder groupBuilder = NcStreamProto.Group.newBuilder();
 groupBuilder.setName(g.getShortName());
 for (Dimension dim : g.getDimensions())
  groupBuilder.addDims(NcStream.encodeDim(dim));
 for (Attribute att : g.getAttributes())
  groupBuilder.addAtts(NcStream.encodeAtt(att));
 for (EnumTypedef enumType : g.getEnumTypedefs())
  groupBuilder.addEnumTypes(NcStream.encodeEnumTypedef(enumType));
 for (Variable var : g.getVariables()) {
  if (var instanceof Structure)
   groupBuilder.addStructs(NcStream.encodeStructure((Structure) var));
  else
   groupBuilder.addVars(NcStream.encodeVar(var, sizeToCache));
 }
 for (Group ng : g.getGroups())
  groupBuilder.addGroups(encodeGroup(ng, sizeToCache));
 return groupBuilder;
}