Package org.apache.ivy.util
Class StringUtils
- java.lang.Object
-
- org.apache.ivy.util.StringUtils
-
public final class StringUtils extends java.lang.Object
Convenient class used only for uncapitalization Usually use commons lang but here we do not want to have such a dependency for only one feature
-
-
Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static java.lang.String
decrypt(java.lang.String str)
Decrypts a string encrypted with encrypt.static java.lang.String
encrypt(java.lang.String str)
Encrypt the given string in a way which anybody having access to this method algorithm can easily decrypt.static java.lang.String
getErrorMessage(java.lang.Throwable t)
Returns the error message associated with the given Throwable.static java.lang.String
getStackTrace(java.lang.Throwable e)
Returns the exception stack trace as a String.static java.lang.String
join(java.lang.Object[] objs, java.lang.String sep)
Joins the given object array in one string, each separated by the given separator.static java.lang.String
repeat(java.lang.String str, int count)
static java.lang.String
uncapitalize(java.lang.String string)
-
-
-
Method Detail
-
uncapitalize
public static java.lang.String uncapitalize(java.lang.String string)
-
getErrorMessage
public static java.lang.String getErrorMessage(java.lang.Throwable t)
Returns the error message associated with the given Throwable. The error message returned will try to be as precise as possible, handling cases where e.getMessage() is not meaningful, likeNullPointerException
for instance.- Parameters:
t
- the throwable to get the error message from- Returns:
- the error message of the given exception
-
getStackTrace
public static java.lang.String getStackTrace(java.lang.Throwable e)
Returns the exception stack trace as a String.- Parameters:
e
- the exception to get the stack trace from.- Returns:
- the exception stack trace
-
join
public static java.lang.String join(java.lang.Object[] objs, java.lang.String sep)
Joins the given object array in one string, each separated by the given separator. Example:join(new String[] {"one", "two", "three"}, ", ") -> "one, two, three"
- Parameters:
objs
- The array of objects (toString()
is used).sep
- The separator to use.- Returns:
- The concatinated string.
-
encrypt
public static final java.lang.String encrypt(java.lang.String str)
Encrypt the given string in a way which anybody having access to this method algorithm can easily decrypt. This is useful only to avoid clear string storage in a file for example, but shouldn't be considered as a real mean of security. This only works with simple characters (char < 256).- Parameters:
str
- the string to encrypt- Returns:
- the encrypted version of the string
-
decrypt
public static final java.lang.String decrypt(java.lang.String str)
Decrypts a string encrypted with encrypt.- Parameters:
str
- the encrypted string to decrypt- Returns:
- The decrypted string.
-
repeat
public static java.lang.String repeat(java.lang.String str, int count)
-
-