com.sap.client.odata.v4.core

Class NullableString

java.lang.Object

com.sap.client.odata.v4.core.NullableString

public abstract class NullableString
extends java.lang.Object

Functions for the implementation of nullable string.

Constructor Summary

Constructors

Constructor and Description
NullableString()

Method Summary

Modifier and Type	Method and Description
static boolean	equal(java.lang.String left, java.lang.String right) Return true if left == right, otherwise false.
static java.lang.String	getValue(java.lang.String value) Return non-null value.
static boolean	hasValue(java.lang.String left, java.lang.String right) Return true if left == right, otherwise false.
static boolean	isNull(java.lang.String value) Return true if value is null, otherwise false.
static int	lengthWithDefault(java.lang.String value, int defaultLength) Return value.length if value is non-null, otherwise return defaultLength.
static boolean	notEqual(java.lang.String left, java.lang.String right) Return true if left != right, otherwise false.
static boolean	notNull(java.lang.String value) Return true if value is not null, otherwise false.
static java.lang.String	nullValue() Return (nullable) The null string value.
static java.lang.String	toString(java.lang.String value) Return "null" if value is null, otherwise value.toString().
static java.lang.String	withValue(java.lang.String value) Return (nullable) value, converted to a nullable string.

Methods inherited from class java.lang.Object

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

Constructor Detail

NullableString

public NullableString()

Method Detail

equal

public static boolean equal(java.lang.String left,
                            java.lang.String right)

Return true if left == right, otherwise false.

Parameters:

left - (nullable) Left operand.

right - (nullable) Right operand.

Returns:

true if left == right, otherwise false.

getValue

public static java.lang.String getValue(java.lang.String value)

Return non-null value.

Throws:

NullValueException if value is null.

Parameters:

value - (nullable) Nullable value.

Returns:

Non-`null` value.

hasValue

public static boolean hasValue(java.lang.String left,
                               java.lang.String right)

Return true if left == right, otherwise false.

Parameters:

left - (nullable) Left operand.

right - Right operand.

Returns:

true if left == right, otherwise false.

isNull

public static boolean isNull(java.lang.String value)

Return true if value is null, otherwise false.

Parameters:

value - (nullable) Argument value.

Returns:

true if value is null, otherwise false.

lengthWithDefault

public static int lengthWithDefault(java.lang.String value,
                                    int defaultLength)

Return value.length if value is non-null, otherwise return defaultLength.

Parameters:

value - (nullable) Nullable value.

defaultLength - Default length.

Returns:

value.length if value is non-null, otherwise return defaultLength.

notEqual

public static boolean notEqual(java.lang.String left,
                               java.lang.String right)

Return true if left != right, otherwise false.

Parameters:

left - (nullable) Left operand.

right - (nullable) Right operand.

Returns:

true if left != right, otherwise false.

notNull

public static boolean notNull(java.lang.String value)

Return true if value is not null, otherwise false.

Parameters:

value - (nullable) Argument value.

Returns:

true if value is not null, otherwise false.

nullValue

public static java.lang.String nullValue()

Return (nullable) The null string value.

Returns:

(nullable) The null string value.

toString

public static java.lang.String toString(java.lang.String value)

Return "null" if value is null, otherwise value.toString().

Parameters:

value - (nullable) Argument value.

Returns:

"null" if value is null, otherwise value.toString().

withValue

public static java.lang.String withValue(java.lang.String value)

Return (nullable) value, converted to a nullable string.

Parameters:

value - Argument value.

Returns:

(nullable) value, converted to a nullable string.