NVelocity.Util
Class StringUtils

This class provides some methods for dynamically invoking methods in objects, and some string manipulation methods used by torque. The string methods will soon be moved into the turbine string utilities class. *

fooBar

FooBar

fooBar

Foobar

null

foo_barBar

FooBarBar

foo_barBar

FooBarBar

foo_bar

FooBar

foo_barBar

FooBarbar

StringUtils

public StringUtils()

Initializes a new instance of the StringUtils class.

allEmpty

public bool allEmpty(System.Collections.IList list)

Check to see if all the string objects passed in are empty. *

Parameters:

list - A list of {@link java.lang.String} objects.

Returns:

Whether all strings are empty.

capitalizeFirstLetter

public string capitalizeFirstLetter(string data)

Capitalize the first letter but leave the rest as they are. * For example

fooBar

becomes

FooBar

. *

Parameters:

data - capitalize this

Returns:

String

chop

public string chop(string s,
                   int i)

Chop i characters off the end of a string. This method assumes that any EOL characters in String s and the platform EOL will be the same. A 2 character EOL will count as 1 character. *

Parameters:

string - String to chop.

i - Number of characters to chop.

Returns:

String with processed answer.

chop

public string chop(string s,
                   int i,
                   string eol)

Chop i characters off the end of a string. A 2 character EOL will count as 1 character. *

Parameters:

string - String to chop.

i - Number of characters to chop.

eol - A String representing the EOL (end of line).

Returns:

String with processed answer.

collapseNewlines

public string collapseNewlines(string argStr)

Remove/collapse multiple newline characters. *

Parameters:

String - string to collapse newlines in.

Returns:

String

collapseSpaces

public string collapseSpaces(string argStr)

Remove/collapse multiple spaces. *

Parameters:

String - string to remove multiple spaces from.

Returns:

String

concat

public string concat(System.Collections.IList list)

Concatenates a list of objects as a String. *

Parameters:

list - The list of objects to concatenate.

Returns:

A text representation of the concatenated objects.

fileContentsToString

public string fileContentsToString(string file)

Read the contents of a file and place them in a string object. *

Parameters:

String - path to file.

Returns:

String contents of the file.

firstLetterCaps

public string firstLetterCaps(string data)

Makes the first letter caps and the rest lowercase. * For example

fooBar

becomes

Foobar

. *

Parameters:

data - capitalize this

Returns:

String

getPackageAsPath

public string getPackageAsPath(string pckge)

Return a package name as a relative path name *

Parameters:

String - package name to convert to a directory.

Returns:

String directory path.

normalizePath

public string normalizePath(string path)

Return a context-relative path, beginning with a "/", that represents the canonical version of the specified path after ".." and "." elements are resolved out. If the specified path attempts to go outside the boundaries of the current context (i.e. too many ".." path elements are present), return

null

instead. *

Parameters:

path - Path to be normalized

Returns:

String normalized path

removeAndHump

public string removeAndHump(string data)

'Camels Hump' replacement of underscores. * Remove underscores from a string but leave the capitalization of the other letters unchanged. * For example

foo_barBar

becomes

FooBarBar

. *

Parameters:

data - string to hump

Returns:

String

removeAndHump

public string removeAndHump(string data,
                            string replaceThis)

'Camels Hump' replacement. * Remove one string from another string but leave the capitalization of the other letters unchanged. * For example, removing "_" from

foo_barBar

becomes

FooBarBar

. *

Parameters:

data - string to hump

replaceThis - string to be replaced

Returns:

String

removeUnderScores

public string removeUnderScores(string data)

Remove underscores from a string and replaces first letters with capitals. Other letters are changed to lower case. * For example

foo_bar

becomes

FooBar

but

foo_barBar

becomes

FooBarbar

. *

Parameters:

data - string to remove underscores from.

Returns:

String

select

public string select(bool state,
                     string trueString,
                     string falseString)

If state is true then return the trueString, else return the falseString. *

Parameters:

boolean -

String - trueString

String - falseString

split

public string[] split(string line,
                      string delim)

Create a string array from a string separated by delim *

Parameters:

line - the line to split

delim - the delimter to split by

Returns:

a string array of the split fields

stackTrace

public string stackTrace(System.Exception e)

Returns the output of printStackTrace as a String. *

Parameters:

e - A Throwable.

Returns:

A String.

stringSubstitution

public System.Text.StringBuilder stringSubstitution(string argStr,
                                                    System.Collections.Hashtable vars)

Perform a series of substitutions. The substitions are performed by replacing $variable in the target string with the value of provided by the key "variable" in the provided hashtable. *

Parameters:

String - target string

Hashtable - name/value pairs used for substitution

Returns:

String target string with replacements.

sub

public string sub(string line,
                  string oldString,
                  string newString)

Replaces all instances of oldString with newString in line. Taken from the Jive forum package. *

Parameters:

String - original string.

String - string in line to replace.

String - replace oldString with this.

Returns:

String string with replacements.