org.elasticsearch.hadoop.yarn.util

Class StringUtils

java.lang.Object

org.elasticsearch.hadoop.yarn.util.StringUtils

public abstract class StringUtils
extends Object

Utility class around Strings. Used to remove dependency on other libraries that might (or not) be available at runtime.

Field Summary

Fields

Modifier and Type	Field and Description
static String	EMPTY
static Charset	UTF_8

Constructor Summary

Constructors

Constructor and Description
StringUtils()

Method Summary

Modifier and Type	Method and Description
static String	concatenate(Collection<?> list, String delimiter)
static String	concatenate(Object[] array, String delimiter)
static String	deleteWhitespace(CharSequence sequence)
static boolean	hasLength(CharSequence sequence)
static boolean	hasText(CharSequence sequence)
static boolean	isLowerCase(CharSequence string)
static List<String>	tokenize(String string)
static List<String>	tokenize(String string, String delimiters)
static List<String>	tokenize(String string, String delimiters, boolean trimTokens, boolean ignoreEmptyTokens)

Methods inherited from class java.lang.Object

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

Field Detail

UTF_8

public static final Charset UTF_8

EMPTY

public static final String EMPTY

See Also:

Constant Field Values

Constructor Detail

StringUtils

public StringUtils()

Method Detail

hasLength

public static boolean hasLength(CharSequence sequence)

hasText

public static boolean hasText(CharSequence sequence)

tokenize

public static List<String> tokenize(String string)

tokenize

public static List<String> tokenize(String string,
                                    String delimiters)

tokenize

public static List<String> tokenize(String string,
                                    String delimiters,
                                    boolean trimTokens,
                                    boolean ignoreEmptyTokens)

concatenate

public static String concatenate(Collection<?> list,
                                 String delimiter)

concatenate

public static String concatenate(Object[] array,
                                 String delimiter)

deleteWhitespace

public static String deleteWhitespace(CharSequence sequence)

isLowerCase

public static boolean isLowerCase(CharSequence string)