rome-utils 2.1.0 · com.rometools.utils.Strings

Access	Constructor and Description
private	Strings()

Method Summary

Modifier and Type	Method and Description
public static boolean	Returns: true when the String is null, empty or blank, false otherwise isBlank(final String The String to check s) Checks whether a String is null, empty or blank.
public static boolean	Returns: true when the String is null or empty, false otherwise isEmpty(final String The String to check s) Checks whether a String is null or empty.
public static boolean	Returns: true when the String is neither null nor empty, false otherwise isNotEmpty(final String The String to check s) Checks whether a String is neither null nor empty.
public static boolean	Returns: true when the String is null, false otherwise isNull(final String The String to check s) Checks whether a String is null.
public static String	Returns: null when the input String is null, the String in lower-case otherwise toLowerCase(final String The String to process, may be null s) null-safe lower-case conversion of a String.
public static String	Returns: null when the input String is null, the trimmed String otherwise trim(final String The String to trim, may be null s) Removes the whitespace at the beginning and end of a String.
public static String	Returns: null when the input String is null or does only contain whitespace, the trimmed String otherwise trimToEmpty(final String The String to trim, may be null s) Removes the whitespace at the beginning and end of a String.
public static String	Returns: null when the input String is null or does only contain whitespace, the trimmed String otherwise trimToNull(final String The String to trim, may be null s) Removes the whitespace at the beginning and end of a String.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Strings	back to summary
private Strings()

Method Detail

isBlank	back to summary
public static boolean isBlank(final String s) Checks whether a String is null, empty or blank. Parameters s:String The String to check Returns:boolean true when the String is null, empty or blank, false otherwise

isBlank

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public static boolean isBlank(final String s)

Checks whether a String is null, empty or blank.

Parameters

s:String: The String to check

Returns:boolean

true when the String is null, empty or blank, false otherwise

isEmpty	back to summary
public static boolean isEmpty(final String s) Checks whether a String is null or empty. Parameters s:String The String to check Returns:boolean true when the String is null or empty, false otherwise

isEmpty

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public static boolean isEmpty(final String s)

Checks whether a String is null or empty.

Parameters

s:String: The String to check

Returns:boolean

true when the String is null or empty, false otherwise

isNotEmpty	back to summary
public static boolean isNotEmpty(final String s) Checks whether a String is neither null nor empty. Parameters s:String The String to check Returns:boolean true when the String is neither null nor empty, false otherwise

isNotEmpty

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public static boolean isNotEmpty(final String s)

Checks whether a String is neither null nor empty.

Parameters

s:String: The String to check

Returns:boolean

true when the String is neither null nor empty, false otherwise

isNull	back to summary
public static boolean isNull(final String s) Checks whether a String is null. Parameters s:String The String to check Returns:boolean true when the String is null, false otherwise

isNull

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public static boolean isNull(final String s)

Checks whether a String is null.

Parameters

s:String: The String to check

Returns:boolean

true when the String is null, false otherwise

toLowerCase	back to summary
public static String toLowerCase(final String s) null-safe lower-case conversion of a String. Parameters s:String The String to process, may be null Returns:String null when the input String is null, the String in lower-case otherwise

toLowerCase

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public static String toLowerCase(final String s)

null-safe lower-case conversion of a String.

Parameters

s:String: The String to process, may be null

Returns:String

null when the input String is null, the String in lower-case otherwise

trim	back to summary
public static String trim(final String s) Removes the whitespace at the beginning and end of a String. Parameters s:String The String to trim, may be null Returns:String null when the input String is null, the trimmed String otherwise

trim

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public static String trim(final String s)

Removes the whitespace at the beginning and end of a String.

Parameters

s:String: The String to trim, may be null

Returns:String

null when the input String is null, the trimmed String otherwise

trimToEmpty	back to summary
public static String trimToEmpty(final String s) Removes the whitespace at the beginning and end of a String. When the String only contains whitespace, it returns null. Parameters s:String The String to trim, may be null Returns:String null when the input String is null or does only contain whitespace, the trimmed String otherwise

trimToEmpty

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public static String trimToEmpty(final String s)

Removes the whitespace at the beginning and end of a String. When the String only contains whitespace, it returns null.

Parameters

s:String: The String to trim, may be null

Returns:String

null when the input String is null or does only contain whitespace, the trimmed String otherwise

trimToNull	back to summary
public static String trimToNull(final String s) Removes the whitespace at the beginning and end of a String. When the String only contains whitespace, it returns null. Parameters s:String The String to trim, may be null Returns:String null when the input String is null or does only contain whitespace, the trimmed String otherwise

trimToNull

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public static String trimToNull(final String s)

Removes the whitespace at the beginning and end of a String. When the String only contains whitespace, it returns null.

Parameters

s:String: The String to trim, may be null

Returns:String

null when the input String is null or does only contain whitespace, the trimmed String otherwise

public final Class Strings

Constructor Summary

Method Summary

Constructor Detail

Method Detail