Package ucar.nc2.ft.point.standard

Class Evaluator

java.lang.Object

ucar.nc2.ft.point.standard.Evaluator

public abstract class Evaluator
extends Object

Helper routines for Nested Tables

Since:

Apr 23, 2008

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Evaluator.VarAtt

Method Summary

Modifier and Type	Method	Description
static String	findNameOfVariableWithAttributeValue(NetcdfDataset ds, String attName, String attValue)	Find first variable with given attribute name and value
static String	findNameVariableWithStandardNameAndDimension(NetcdfDataset ds, String standard_name, Dimension outer, Formatter errlog)
static Structure	findNestedStructure(Structure s)	Find first nested structure
static Structure	findStructureWithDimensions(NetcdfDataset ds, Dimension dim0, Dimension dim1)	Find structure variable of rank 2 with the 2 given dimensions (or) Find structure variable of rank 1 with the 1 given dimension
static Evaluator.VarAtt	findVariableWithAttribute(NetcdfDataset ds, String attName)	Find first variable with given attribute name
static Variable	findVariableWithAttributeAndDimension(NetcdfDataset ds, String att_name, String att_value, Dimension outer, Formatter errlog)
static Variable	findVariableWithAttributeValue(NetcdfDataset ds, String attName, String attValue)	Find first variable with given attribute name and value.
static Variable	findVariableWithAttributeValue(Structure struct, String attName, String attValue)	Find first member variable in this struct with given attribute name and value
static Dimension	getDimension(NetcdfDataset ds, String key, Formatter errlog)	Find the dimension pointed to by key
static String	getDimensionName(NetcdfDataset ds, String key, Formatter errlog)	Find the dimension pointed to by key
static FeatureType	getFeatureType(NetcdfDataset ds, String key, Formatter errlog)	Turn the key into a String and return the corresponding featureType, if any.
static String	getLiteral(NetcdfDataset ds, String key, Formatter errlog)	Translate key to value
static String	getVariableName(NetcdfDataset ds, String key, Formatter errlog)	Find the variable pointed to by key
static boolean	hasNetcdf3RecordStructure(NetcdfDataset ds)	Does this dataset have a record structure? netcdf-3 specific
static boolean	isEffectivelyScaler(Variable v)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

findNameVariableWithStandardNameAndDimension

public static String findNameVariableWithStandardNameAndDimension(NetcdfDataset ds,
                                                                  String standard_name,
                                                                  Dimension outer,
                                                                  Formatter errlog)

findVariableWithAttributeAndDimension

public static Variable findVariableWithAttributeAndDimension(NetcdfDataset ds,
                                                             String att_name,
                                                             String att_value,
                                                             Dimension outer,
                                                             Formatter errlog)

isEffectivelyScaler

public static boolean isEffectivelyScaler(Variable v)

findVariableWithAttribute

public static Evaluator.VarAtt findVariableWithAttribute(NetcdfDataset ds,
                                                         String attName)

Find first variable with given attribute name

Parameters:

ds - in this dataset

attName - attribute name, case insensitive

Returns:

first variable with given attribute name, or null

findVariableWithAttributeValue

public static Variable findVariableWithAttributeValue(NetcdfDataset ds,
                                                      String attName,
                                                      String attValue)

Find first variable with given attribute name and value. If not found, search one level into structures.

Parameters:

ds - in this dataset

attName - attribute name, case insensitive

attValue - attribute value, case sensitive

Returns:

first variable with given attribute name and value, or null

findNameOfVariableWithAttributeValue

public static String findNameOfVariableWithAttributeValue(NetcdfDataset ds,
                                                          String attName,
                                                          String attValue)

Find first variable with given attribute name and value

Parameters:

ds - in this dataset

attName - attribute name, case insensitive

attValue - attribute value, case sensitive

Returns:

name of first variable with given attribute name and value, or null

findVariableWithAttributeValue

public static Variable findVariableWithAttributeValue(Structure struct,
                                                      String attName,
                                                      String attValue)

Find first member variable in this struct with given attribute name and value

Parameters:

struct - in this structure

attName - attribute name, case insensitive

attValue - attribute value, case sensitive

Returns:

first member variable with given attribute name and value, or null

findStructureWithDimensions

public static Structure findStructureWithDimensions(NetcdfDataset ds,
                                                    Dimension dim0,
                                                    Dimension dim1)

Find structure variable of rank 2 with the 2 given dimensions (or) Find structure variable of rank 1 with the 1 given dimension

Parameters:

ds - in this dataset

dim0 - first dimension

dim1 - second dimension (ok to be null)

Returns:

structure variable or null

findNestedStructure

public static Structure findNestedStructure(Structure s)

Find first nested structure

Parameters:

s - in this structure

Returns:

first nested structure or null

hasNetcdf3RecordStructure

public static boolean hasNetcdf3RecordStructure(NetcdfDataset ds)

Does this dataset have a record structure? netcdf-3 specific

Parameters:

ds - in this dataset

Returns:

true if record structure exists

getLiteral

public static String getLiteral(NetcdfDataset ds,
                                String key,
                                Formatter errlog)

Translate key to value

Parameters:

ds - search in this dataset

key - if starts with ":", search for global attribute

errlog - error messages here

Returns:

return global attribute value or the key itself

getFeatureType

public static FeatureType getFeatureType(NetcdfDataset ds,
                                         String key,
                                         Formatter errlog)

Turn the key into a String and return the corresponding featureType, if any.

Parameters:

ds - look in this datset

key - if starts with ":", replace with value of global attribute

errlog - error messages here

Returns:

featureType, or null

getVariableName

public static String getVariableName(NetcdfDataset ds,
                                     String key,
                                     Formatter errlog)

Find the variable pointed to by key

Parameters:

ds - in this dataset

key - may be variable name or ":gatt" where gatt is local attribute whose value is the variable name

errlog - error messages here

Returns:

name of variable or null if not exist

getDimension

public static Dimension getDimension(NetcdfDataset ds,
                                     String key,
                                     Formatter errlog)

Find the dimension pointed to by key

Parameters:

ds - in this dataset

key - may be dimension name or ":gatt" where gatt is local attribute whose value is the dimension name

errlog - error messages here

Returns:

dimension or null if not exist

getDimensionName

public static String getDimensionName(NetcdfDataset ds,
                                      String key,
                                      Formatter errlog)

Find the dimension pointed to by key

Parameters:

ds - in this dataset

key - may be dimension name or ":gatt" where gatt is local attribute whose value is the dimension name

errlog - error messages here

Returns:

name of dimension or null if not exist