org.pentaho.di.core.util

Class KeyValue<T>

java.lang.Object

org.pentaho.di.core.util.KeyValue<T>

Type Parameters:

T - type of value

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

BooleanPluginProperty, IntegerPluginProperty, StringListPluginProperty, StringPluginProperty

public class KeyValue<T>
extends Object
implements Serializable

Author:

Thomas Hoedl(asc042)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static List<String>	DEFAULT_TRUE_VALUES The default true values.
static String	VALID_KEY_CHARS Valid key characters.

Constructor Summary

Constructors

Constructor and Description
KeyValue(String key) Constructor.
KeyValue(String key, T value) Constructor.

Method Summary

Modifier and Type	Method and Description
static void	assertKey(String lowerKey)
Boolean	booleanValue() Uses DEFAULT_TRUE_VALUES, ignore case.
Boolean	booleanValue(Boolean defaultValue)
Boolean	booleanValue(List<String> trueValues)
Boolean	booleanValue(List<String> trueValues, boolean ignoreCase)
Boolean	booleanValue(String... trueValues)
Double	doubleValue()
Double	doubleValue(Double defaultValue)
Float	floatValue()
Float	floatValue(Float defaultValue)
String	getKey()
T	getValue()
Integer	integerValue()
Integer	integerValue(Integer defaultValue)
Long	longValue()
Long	longValue(Long defaultValue)
void	setValue(T value)
String	stringValue()
String	stringValue(String defaultValue)
String	stringValueDefaultIfBlank(String defaultValue)
String	toString()
T	value()
KeyValue<T>	value(T newValue)

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_TRUE_VALUES

public static final List<String> DEFAULT_TRUE_VALUES

The default true values.

VALID_KEY_CHARS

public static final String VALID_KEY_CHARS

Valid key characters.

See Also:

Constant Field Values

Constructor Detail

KeyValue

public KeyValue(String key,
                T value)
         throws IllegalArgumentException

Constructor. Key will be converted to lower case.

Parameters:

key - key to set.

value - value to set, may be null.

Throws:

IllegalArgumentException - if key is invalid.

KeyValue

public KeyValue(String key)
         throws IllegalArgumentException

Constructor. Key will be converted to lower case. Value is null.

Parameters:

key - key to set.

Throws:

IllegalArgumentException - if key is invalid.

Method Detail

assertKey

public static final void assertKey(String lowerKey)
                            throws IllegalArgumentException

Parameters:

lowerKey - key to test.

Throws:

IllegalArgumentException - if key is invalid.

getKey

public String getKey()

Returns:

the key, never null.

getValue

public T getValue()

Returns:

the value

setValue

public void setValue(T value)

Parameters:

value - the value to set

value

public KeyValue<T> value(T newValue)

Parameters:

newValue - value to set.

Returns:

this.

value

public T value()

Returns:

value.

booleanValue

public Boolean booleanValue(String... trueValues)

Parameters:

trueValues - string true values, case is ignored.

Returns:

boolean value, null if value is null.

booleanValue

public Boolean booleanValue(List<String> trueValues)

Parameters:

trueValues - string true values, case is ignored.

Returns:

boolean value, null if value is null.

booleanValue

public Boolean booleanValue(List<String> trueValues,
                            boolean ignoreCase)

Parameters:

trueValues - string true values.

ignoreCase - ignore case?

Returns:

boolean value, null if value is null.

booleanValue

public Boolean booleanValue()

Uses DEFAULT_TRUE_VALUES, ignore case.

Returns:

boolean value or null if value is null.

booleanValue

public Boolean booleanValue(Boolean defaultValue)

Parameters:

defaultValue - the default value

Returns:

boolean value or default value if value is null.

stringValue

public String stringValue()

Returns:

string value or null if value is null.

stringValue

public String stringValue(String defaultValue)

Parameters:

defaultValue - the default value.

Returns:

string value or default value if value is null.

stringValueDefaultIfBlank

public String stringValueDefaultIfBlank(String defaultValue)

Parameters:

defaultValue - the default value.

Returns:

string value or default value if value is blank.

integerValue

public Integer integerValue()
                     throws NumberFormatException

Returns:

integer value or null if value is null.

Throws:

NumberFormatException - if string value of value cannot be converted to Integer

integerValue

public Integer integerValue(Integer defaultValue)

Parameters:

defaultValue - the default value.

Returns:

integer value or default value if value is null or cannot be converted to integer.

longValue

public Long longValue()
               throws NumberFormatException

Returns:

long value or null if value is null.

Throws:

NumberFormatException - if string value of value cannot be converted to Long

longValue

public Long longValue(Long defaultValue)

Parameters:

defaultValue - the default value.

Returns:

long value or default value if value is null or cannot be converted to long.

doubleValue

public Double doubleValue()
                   throws NumberFormatException

Returns:

double value or null if value is null.

Throws:

NumberFormatException - if string value of value cannot be converted to Double

doubleValue

public Double doubleValue(Double defaultValue)

Parameters:

defaultValue - the default value.

Returns:

double value or default value if value is null or cannot be converted to double.

floatValue

public Float floatValue()
                 throws NumberFormatException

Returns:

float value or null if value is null.

Throws:

NumberFormatException - if string value of value cannot be converted to Float

floatValue

public Float floatValue(Float defaultValue)

Parameters:

defaultValue - the default value.

Returns:

float value or default value if value is null or cannot be converted to float.

toString

public String toString()

Overrides:

toString in class Object

See Also:

Object.toString()