Class StringUtils

java.lang.Object

org.sonar.java.checks.helpers.StringUtils

public class StringUtils
extends Object

Method Summary

Modifier and Type	Method	Description
static int	countMatches(String string, String pattern)	Count non-overlapping occurrences of pattern in the string.
static String[]	flatten(Object... args)	Build String[] by concatenating arguments of types: java.lang.String java.lang.String[] java.util.Collectioninvalid input: '<'java.lang.strings> Nested collections and arrays are not supported, and will throw an ArrayStoreException if encountered.
static boolean	isEmpty(String s)	Check if the string is null or empty.

Methods inherited from class Object

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

Method Details

isEmpty

public static boolean isEmpty(@Nullable
 String s)

Check if the string is null or empty.

countMatches

public static int countMatches(@Nullable
 String string,
 @Nullable
 String pattern)

Count non-overlapping occurrences of pattern in the string.

flatten

public static String[] flatten(Object... args)

Build String[] by concatenating arguments of types:

1. java.lang.String
2. java.lang.String[]
3. java.util.Collectioninvalid input: '<'java.lang.strings>

Nested collections and arrays are not supported, and will throw an ArrayStoreException if encountered.

Throws:

IllegalArgumentException - If one of the argument is not of the supported types.

ArrayStoreException - If a collection passed as argument contains an element that is not a String.