opendap/src/main/java/ucar/nc2/dods/DODSNetcdfFile.java
Dimension getNetcdfStrlenDim(DODSVariable v) {
    AttributeTable table = das.getAttributeTableN(v.getFullName()); // LOOK this probably doesnt work for nested variables
    if (table == null) return null;

    opendap.dap.Attribute dodsAtt = table.getAttribute("DODS");
    if (dodsAtt == null) return null;

    AttributeTable dodsTable = dodsAtt.getContainerN();
    if (dodsTable == null) return null;

    opendap.dap.Attribute att = dodsTable.getAttribute("strlen");
    if (att == null) return null;
    String strlen = att.getValueAtN(0);

    opendap.dap.Attribute att2 = dodsTable.getAttribute("dimName");
    String dimName = (att2 == null) ? null : att2.getValueAtN(0);
    if (debugCharArray) System.out.println(v.getFullName() + " has strlen= " + strlen + " dimName= " + dimName);

    int dimLength;
    try {
      dimLength = Integer.parseInt(strlen);
    } catch (NumberFormatException e) {
      logger.warn("DODSNetcdfFile " + location + " var = " + v.getFullName() + " error on strlen attribute = " + strlen);
      return null;
    }

    if (dimLength <= 0) return null; // LOOK what about unlimited ??
    return new Dimension(dimName, dimLength, dimName != null);
  }
Dimension getNetcdfStrlenDim(DODSVariable v) {
    AttributeTable table = das.getAttributeTableN(v.getFullName()); // LOOK this probably doesnt work for nested variables
    if (table == null) return null;

    opendap.dap.Attribute dodsAtt = table.getAttribute("DODS");
    if (dodsAtt == null) return null;

    AttributeTable dodsTable = dodsAtt.getContainerN();
    if (dodsTable == null) return null;

    opendap.dap.Attribute att = dodsTable.getAttribute("strlen");
    if (att == null) return null;
    String strlen = att.getValueAtN(0);

    opendap.dap.Attribute att2 = dodsTable.getAttribute("dimName");
    String dimName = (att2 == null) ? null : att2.getValueAtN(0);
    if (debugCharArray) System.out.println(v.getFullName() + " has strlen= " + strlen + " dimName= " + dimName);

    int dimLength;
    try {
      dimLength = Integer.parseInt(strlen);
    } catch (NumberFormatException e) {
      logger.warn("DODSNetcdfFile " + location + " var = " + v.getFullName() + " error on strlen attribute = " + strlen);
      return null;
    }

    if (dimLength <= 0) return null; // LOOK what about unlimited ??
    return new Dimension(dimName, dimLength, dimName != null);
  }
Checks to see if this is netcdf char array.

@param v must be type STRING
@return string length dimension, else null