Strings (sellcom-java 1.1.0)

java.lang.Object
- org.sellcom.core.Strings

```
public class Strings
extends Object
```
Operations with strings.

Since:

1.0

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static String`	`emptyToNull(String string)` Returns the given string if it is non-empty, `null` otherwise.
`static boolean`	`endsWith(String string, String suffix, boolean ignoreCase)` Checks whether the given string ends with the given suffix, possibly ignoring case.
`static String`	`ensurePrefix(String string, String prefix)` Ensures that the given string starts with the given prefix.
`static String`	`ensurePrefix(String string, String prefix, boolean ignoreCase)` Ensures that the given string starts with the given prefix, possibly ignoring case.
`static String`	`ensureSuffix(String string, String suffix)` Ensures that the given string ends with the given suffix.
`static String`	`ensureSuffix(String string, String suffix, boolean ignoreCase)` Ensures that the given string ends with the given suffix, possibly ignoring case.
`static boolean`	`isNullOrEmpty(String string)` Checks whether the given string is `null` or empty.
`static String`	`normalizeWhitespace(String string)` Removes any leading and trailing whitespace characters from the given string and replaces any contained sequences of whitespace characters by a single space.
`static String`	`nullToEmpty(String string)` Returns the given string if it is non-empty, an empty string otherwise.
`static String`	`removePrefix(String string, String prefix)` Removes the given prefix from the given string if present.
`static String`	`removePrefix(String string, String prefix, boolean ignoreCase)` Removes the given prefix from the given string if present, possibly ignoring case.
`static String`	`removeSuffix(String string, String suffix)` Removes the given suffix from the given string if present.
`static String`	`removeSuffix(String string, String suffix, boolean ignoreCase)` Removes the given suffix from the given string if present, possibly ignoring case.
`static String`	`removeWhitespace(String string)` Removes all whitespace characters from the given string.
`static boolean`	`startsWith(String string, String prefix, boolean ignoreCase)` Checks whether the given string starts with the given prefix, possibly ignoring case.
`static String`	`toLowerCase(String string)` Returns the given string converted to lower case in a locale-insensitive way.
`static String`	`toUpperCase(String string)` Returns the given string converted to upper case in a locale-insensitive way.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - emptyToNull
```
public static String emptyToNull(String string)
```
    Returns the given string if it is non-empty, null otherwise.
    
    Since:
    
    1.0
  - endsWith
```
public static boolean endsWith(String string,
                               String suffix,
                               boolean ignoreCase)
```
    Checks whether the given string ends with the given suffix, possibly ignoring case.
    
    Throws:
    
    IllegalArgumentException - if string is null
    
    IllegalArgumentException - if suffix is null
    
    Since:
    
    1.0
  - ensurePrefix
```
public static String ensurePrefix(String string,
                                  String prefix)
```
    Ensures that the given string starts with the given prefix.
    
    Throws:
    
    IllegalArgumentException - if string is null
    
    IllegalArgumentException - if prefix is null
    
    Since:
    
    1.0
  - ensurePrefix
```
public static String ensurePrefix(String string,
                                  String prefix,
                                  boolean ignoreCase)
```
    Ensures that the given string starts with the given prefix, possibly ignoring case.
    
    Throws:
    
    IllegalArgumentException - if string is null
    
    IllegalArgumentException - if prefix is null
    
    Since:
    
    1.0
  - ensureSuffix
```
public static String ensureSuffix(String string,
                                  String suffix)
```
    Ensures that the given string ends with the given suffix.
    
    Throws:
    
    IllegalArgumentException - if string is null
    
    IllegalArgumentException - if suffix is null
    
    Since:
    
    1.0
  - ensureSuffix
```
public static String ensureSuffix(String string,
                                  String suffix,
                                  boolean ignoreCase)
```
    Ensures that the given string ends with the given suffix, possibly ignoring case.
    
    Throws:
    
    IllegalArgumentException - if string is null
    
    IllegalArgumentException - if suffix is null
    
    Since:
    
    1.0
  - isNullOrEmpty
```
public static boolean isNullOrEmpty(String string)
```
    Checks whether the given string is null or empty.
    
    Since:
    
    1.0
  - normalizeWhitespace
```
public static String normalizeWhitespace(String string)
```
    Removes any leading and trailing whitespace characters from the given string and replaces any contained sequences of whitespace characters by a single space.
    
    Throws:
    
    IllegalArgumentException - if string is null
    
    Since:
    
    1.0
  - nullToEmpty
```
public static String nullToEmpty(String string)
```
    Returns the given string if it is non-empty, an empty string otherwise.
    
    Since:
    
    1.0
  - removePrefix
```
public static String removePrefix(String string,
                                  String prefix)
```
    Removes the given prefix from the given string if present.
    
    Throws:
    
    IllegalArgumentException - if string is null
    
    IllegalArgumentException - if prefix is null
    
    Since:
    
    1.0
  - removePrefix
```
public static String removePrefix(String string,
                                  String prefix,
                                  boolean ignoreCase)
```
    Removes the given prefix from the given string if present, possibly ignoring case.
    
    Throws:
    
    IllegalArgumentException - if string is null
    
    IllegalArgumentException - if prefix is null
    
    Since:
    
    1.0
  - removeSuffix
```
public static String removeSuffix(String string,
                                  String suffix)
```
    Removes the given suffix from the given string if present.
    
    Throws:
    
    IllegalArgumentException - if string is null
    
    IllegalArgumentException - if suffix is null
    
    Since:
    
    1.0
  - removeSuffix
```
public static String removeSuffix(String string,
                                  String suffix,
                                  boolean ignoreCase)
```
    Removes the given suffix from the given string if present, possibly ignoring case.
    
    Throws:
    
    IllegalArgumentException - if string is null
    
    IllegalArgumentException - if suffix is null
    
    Since:
    
    1.0
  - removeWhitespace
```
public static String removeWhitespace(String string)
```
    Removes all whitespace characters from the given string.
    
    Throws:
    
    IllegalArgumentException - if string is null
    
    Since:
    
    1.0
  - startsWith
```
public static boolean startsWith(String string,
                                 String prefix,
                                 boolean ignoreCase)
```
    Checks whether the given string starts with the given prefix, possibly ignoring case.
    
    Throws:
    
    IllegalArgumentException - if string is null
    
    IllegalArgumentException - if prefix is null
    
    Since:
    
    1.0
  - toLowerCase
```
public static String toLowerCase(String string)
```
    Returns the given string converted to lower case in a locale-insensitive way.
    
    Throws:
    
    IllegalArgumentException - if string is null
    
    Since:
    
    1.0
  - toUpperCase
```
public static String toUpperCase(String string)
```
    Returns the given string converted to upper case in a locale-insensitive way.
    
    Throws:
    
    IllegalArgumentException - if string is null
    
    Since:
    
    1.0

Class Strings

Method Summary

Methods inherited from class java.lang.Object

Method Detail

emptyToNull

endsWith

ensurePrefix

ensurePrefix

ensureSuffix

ensureSuffix

isNullOrEmpty

normalizeWhitespace

nullToEmpty

removePrefix

removePrefix

removeSuffix

removeSuffix

removeWhitespace

startsWith

toLowerCase

toUpperCase