StringUtil (Javadocs [I2P+ 2.13.0+]

java.lang.Object
- org.cybergarage.util.StringUtil

```
public final class StringUtil
extends Object
```
Utility class for string manipulation and conversion operations. This class provides static methods for string validation, type conversion, character searching, and custom trimming operations.

Constructor Summary
Constructors
Constructor and Description
StringUtil()

Constructors
Constructor and Description
`StringUtil()`

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static int`	`findFirstNotOf(String str, String chars)` Finds the first character that is NOT in the specified character set.
`static int`	`findFirstOf(String str, String chars)` Finds the first occurrence of any character from the specified set.
`static int`	`findLastNotOf(String str, String chars)` Finds the last character that is NOT in the specified character set.
`static int`	`findLastOf(String str, String chars)` Finds the last occurrence of any character from the specified set.
`static int`	`findOf(String str, String chars, int startIdx, int endIdx, int offset, boolean isEqual)` Generic character finding method with customizable search parameters.
`static boolean`	`hasData(String value)` Checks if a string contains valid data (not null and not empty).
`static int`	`toInteger(String value)` Converts a string to an integer value.
`static long`	`toLong(String value)` Converts a string to a long value.
`static String`	`trim(String trimStr, String trimChars)` Trims specified characters from both ends of a string.

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

- Constructor Detail
  - StringUtil
```
public StringUtil()
```
- Method Detail
  - findFirstNotOf
```
public static final int findFirstNotOf(String str,
                                       String chars)
```
    Finds the first character that is NOT in the specified character set.
    Parameters:
    str - string to search in
    chars - characters to exclude from search
    Returns:
    index of first non-matching character, or -1 if not found
  - findFirstOf
```
public static final int findFirstOf(String str,
                                    String chars)
```
    Finds the first occurrence of any character from the specified set.
    Parameters:
    str - string to search in
    chars - characters to search for
    Returns:
    index of first matching character, or -1 if not found
  - findLastNotOf
```
public static final int findLastNotOf(String str,
                                      String chars)
```
    Finds the last character that is NOT in the specified character set.
    Parameters:
    str - string to search in
    chars - characters to exclude from search
    Returns:
    index of last non-matching character, or -1 if not found
  - findLastOf
```
public static final int findLastOf(String str,
                                   String chars)
```
    Finds the last occurrence of any character from the specified set.
    Parameters:
    str - string to search in
    chars - characters to search for
    Returns:
    index of last matching character, or -1 if not found
  - findOf
```
public static final int findOf(String str,
                               String chars,
                               int startIdx,
                               int endIdx,
                               int offset,
                               boolean isEqual)
```
    Generic character finding method with customizable search parameters.
    Parameters:
    str - the string to search in
    chars - the characters to search for
    startIdx - the starting index
    endIdx - the ending index
    offset - the search direction (1 for forward, -1 for backward)
    isEqual - true to find matching characters, false to find non-matching
    Returns:
    the index of the found character, or -1 if not found
  - hasData
```
public static final boolean hasData(String value)
```
    Checks if a string contains valid data (not null and not empty).
    Parameters:
    value - the string to check
    Returns:
    true if the string is not null and has length > 0, false otherwise
  - toInteger
```
public static final int toInteger(String value)
```
    Converts a string to an integer value.
    Parameters:
    value - the string to convert
    Returns:
    the integer value, or 0 if conversion fails
  - toLong
```
public static final long toLong(String value)
```
    Converts a string to a long value.
    Parameters:
    value - the string to convert
    Returns:
    the long value, or 0 if conversion fails
  - trim
```
public static final String trim(String trimStr,
                                String trimChars)
```
    Trims specified characters from both ends of a string.
    Parameters:
    trimStr - string to trim
    trimChars - characters to remove from both ends
    Returns:
    trimmed string

Class StringUtil

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

StringUtil

Method Detail

findFirstNotOf

findFirstOf

findLastNotOf

findLastOf

findOf

hasData

toInteger

toLong

trim