Package com.inductiveautomation.snap.util

Class StringUtils

java.lang.Object

com.inductiveautomation.snap.util.StringUtils

public class StringUtils
extends java.lang.Object

This class is a collection of convenient static String utils.

Constructor Summary

Constructors

Constructor	Description
StringUtils()

Method Summary

Modifier and Type	Method	Description
static java.lang.String	add(java.lang.String s1, java.lang.String s2)	Adds the two strings together (treats nulls as empty strings).
static java.lang.String	add(java.lang.String s1, java.lang.String s2, java.lang.String aSeparator)	Adds the two strings together with separator (treats nulls as empty strings, omitting sep if either is null).
static int	addWords(java.lang.String aString, int aStart, int anEnd, java.lang.StringBuffer aBuffer, java.util.regex.Matcher aMatcher)	Adds words from given string and string start/end to given string buffer.
static boolean	containsIC(java.lang.CharSequence aString1, java.lang.CharSequence aString2)	Returns whether a given string contains a given string, ignoring case.
static boolean	containsIC(java.lang.String[] theStrings, java.lang.String aString)	Returns whether the given string array contains the given string, ignoring case.
static java.lang.String	delete(java.lang.String aString, java.lang.String aSearch)	Returns the result of deleting from the given string any occurrence of the search string.
static java.lang.String	deleteIC(java.lang.String aString, java.lang.String aSearch)	Returns the result of deleting from the given string any occurrence of the search string (ignores case).
static double	doubleValue(java.lang.String aString)	Returns an double value by parsing the given string.
static double	doubleValue(java.lang.String aString, int aStart)	Returns an double value by parsing the given string starting at the given index.
static boolean	endsWithIC(java.lang.String s1, java.lang.String s2)	Returns whether s1 ends with s2, ignoring case.
static boolean	endsWithIC(java.lang.String s1, java.lang.String... strings)	Returns whether s1 ends with any of the given strings, ignoring case.
static boolean	equalsIC(java.lang.String s1, java.lang.String s2)	Returns whether s1 equals s2, ignoring case.
static boolean	equalsIC(java.lang.String s1, java.lang.String... strings)	Returns whether s1 equals any of the given strings, ignoring case.
static java.lang.String	firstCharLowerCase(java.lang.String aString)	Returns the given string with the first char demoted to lowercase.
static java.lang.String	firstCharUpperCase(java.lang.String aString)	Returns the given string with the first char promoted to uppercase.
static float	floatValue(java.lang.String aString)	Returns an float value by parsing the given string.
static java.lang.String	fromCamelCase(java.lang.String aString)	Returns a spaced string from a camel case string.
static byte[]	getBytes(java.lang.String aString)	Returns the ASCII bytes of the given string (ISO-Latin).
static byte[]	getBytes(java.lang.String aString, java.lang.String enc)	Returns the bytes of the given string in the requested char encoding.
static java.lang.String	getISOLatinString(byte[] bytes)	Returns a string from the given ASCII bytes.
static java.lang.String	getISOLatinString(byte[] bytes, int offset, int length)	Returns a string from the given ASCII bytes (from offset to offset+length).
static java.lang.String	getPathChild(java.lang.String aPath, java.lang.String aChildPath)	Returns a path with a filename or relative path added.
static java.lang.String	getPathExtension(java.lang.String aPath)	Returns the extension of the given string path (everything after last '.').
static java.lang.String	getPathFileName(java.lang.String aPath)	Returns the file name component of the given string path (everything after last file separator).
static int	getPathFileNameIndex(java.lang.String aPath)	Returns the index to the first character of the filename component of the given path.
static java.lang.String	getPathFileNameSimple(java.lang.String aPath)	Returns the simple file name for a given path (just the file name without extension).
static java.lang.String	getPathParent(java.lang.String aPath)	Returns the given string path minus the file name component (everything after last file separator).
static java.lang.String	getPathPeer(java.lang.String aPath, java.lang.String aName)	Returns a peer path for given path and new filename by stripping filename from given path and using given name.
static java.lang.String	getPathSimple(java.lang.String aPath)	Returns the given string path minus any extension.
static java.lang.String	getPathSister(java.lang.String aPath, java.lang.String anExtension)	Returns a sister path for given path and new extension by stripping extension from path and using given extension.
static java.lang.String	getPathStandardized(java.lang.String aPath)	Returns the path in a standard, normal format (strips any trailing file separators).
static java.lang.String	getStackTraceString(java.lang.Throwable aThrowable)	Returns a stack trace string for given exception.
static java.lang.String	getString(byte[] theBytes)	Returns a string for given bytes.
static java.lang.String	getString(byte[] theBytes, java.lang.String anEncoding)	Returns a string for given bytes.
static java.lang.String	getStringQuoted(java.lang.String aString)	Returns a quoted string.
static java.lang.String	getStringSingleQuoted(java.lang.String aString)	Returns a single quoted string.
static java.lang.String	getStringSurrounded(java.lang.String aString, java.lang.String aSurroundString, java.lang.String anEscapeString)	Returns a string surrounded by given string.
static int	indexOfIC(java.lang.CharSequence s1, java.lang.CharSequence s2)	Returns the index of search string s2 in given string s1, ignores case.
static int	indexOfIC(java.lang.CharSequence s1, java.lang.CharSequence s2, int start)	Returns the index of search string s2 in given string s1, ignores case and starts at start char index.
static int	indexOfIC(java.lang.String[] theStrings, java.lang.String aString)	Returns the index of a given string in the given array, ignoring case.
static int	intValue(java.lang.String aString)	Returns an int value by parsing the given string.
static boolean	isEmpty(java.lang.String aString)	Returns whether string is null or empty.
static java.lang.String	join(java.lang.Object[] parts, java.lang.String separator)	Allows you to take an array of strings and concatenate them together with a separator
static java.lang.String	join(java.lang.Object[] parts, java.lang.String separator, int aStart, int anEnd)	Allows you to take an array of strings and concatenate them together with a separator
static int	length(java.lang.CharSequence aString)	Returns the length of given string (supports null).
static long	longValue(java.lang.String aString)	Returns an int value by parsing the given string.
static long	longValue(java.lang.String aString, int aStart)	Returns an double value by parsing the given string starting at the given index.
static java.lang.String	max(java.lang.String s)	String promotion - returns either the given string or empty string (if given string is null).
static java.lang.String	min(java.lang.String s)	String demotion - returns either the given string or null (if given string length is zero).
static java.lang.String	nextInSequence(java.lang.String source, java.lang.String suffix)	Turns a string like "myFile" into "myFile-1", and a string like "myFile-2" to "myFile-3", given suffix like "-".
static java.lang.String	or(java.lang.String s1, java.lang.String s2)	Returns the first non-null string of the two given strings (or null).
static java.lang.String	replace(java.lang.String s, int start, int end, java.lang.String withString)	Returns the result of replacing in the given string the char range with the with-string.
static java.lang.String	replace(java.lang.String aString, java.lang.String search, char replace)	Returns the result of replacing in the given string any occurrence of the search string with the replace-char.
static java.lang.String	replace(java.lang.String aString, java.lang.String search, java.lang.String replace)	Returns the result of replacing in the given string any occurrence of the search string with the replace-string.
static java.lang.String	replaceIC(java.lang.String aString, java.lang.String search, java.lang.String replace)	Returns the result of replacing in given string any occurrence of search string with replace-string (ignore case).
static java.util.List<java.lang.String>	separate(java.lang.String aString, java.lang.String aSeparator)	Returns a list of parts of given string separated by the given delimiter.
static java.util.List<java.lang.String>	separate(java.lang.String aString, java.lang.String aSeparator, boolean doTrim)	Returns a list of parts of given string separated by the given delimiter, with option to trim space.
static boolean	startsWithIC(java.lang.String s1, java.lang.String s2)	Returns whether s1 starts with s2, ignoring case.
static boolean	startsWithIC(java.lang.String s1, java.lang.String... strings)	Returns whether s1 starts with any of the given strings, ignoring case.
static java.lang.String	toCamelCase(java.lang.String aString)	Returns a camel cased string from a string with non-alphanumeric chars.
static java.lang.String	toString(double aValue)	Returns a string representation of the given float to (at most) 3 significant digits.
static java.lang.String	trimEnd(java.lang.String aString)	Trims the end of a string.
static java.lang.String	wrap(java.lang.String aString, int aLimit)	Returns a string wrapped on word boundaries.
static java.lang.String	wrap(java.lang.String aString, int aLimit, java.lang.String aSeperator, java.lang.String aJoiner)	Returns a string wrapped on word boundaries as defined by regex string (eg., whitespace="\\s*", dot="\\.", etc.).

Methods inherited from class java.lang.Object

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

Constructor Detail

StringUtils

public StringUtils()

Method Detail

isEmpty

public static boolean isEmpty(java.lang.String aString)

Returns whether string is null or empty.

length

public static int length(java.lang.CharSequence aString)

Returns the length of given string (supports null).

add

public static java.lang.String add(java.lang.String s1,
                                   java.lang.String s2)

Adds the two strings together (treats nulls as empty strings).

add

public static java.lang.String add(java.lang.String s1,
                                   java.lang.String s2,
                                   java.lang.String aSeparator)

Adds the two strings together with separator (treats nulls as empty strings, omitting sep if either is null).

min

public static java.lang.String min(java.lang.String s)

String demotion - returns either the given string or null (if given string length is zero).

max

public static java.lang.String max(java.lang.String s)

String promotion - returns either the given string or empty string (if given string is null).

or

public static java.lang.String or(java.lang.String s1,
                                  java.lang.String s2)

Returns the first non-null string of the two given strings (or null).

toString

public static java.lang.String toString(double aValue)

Returns a string representation of the given float to (at most) 3 significant digits.

getPathFileName

public static java.lang.String getPathFileName(java.lang.String aPath)

Returns the file name component of the given string path (everything after last file separator).

getPathFileNameSimple

public static java.lang.String getPathFileNameSimple(java.lang.String aPath)

Returns the simple file name for a given path (just the file name without extension).

getPathFileNameIndex

public static int getPathFileNameIndex(java.lang.String aPath)

Returns the index to the first character of the filename component of the given path.

getPathExtension

public static java.lang.String getPathExtension(java.lang.String aPath)

Returns the extension of the given string path (everything after last '.').

getPathSimple

public static java.lang.String getPathSimple(java.lang.String aPath)

Returns the given string path minus any extension.

getPathParent

public static java.lang.String getPathParent(java.lang.String aPath)

Returns the given string path minus the file name component (everything after last file separator).

getPathChild

public static java.lang.String getPathChild(java.lang.String aPath,
                                            java.lang.String aChildPath)

Returns a path with a filename or relative path added.

getPathPeer

public static java.lang.String getPathPeer(java.lang.String aPath,
                                           java.lang.String aName)

Returns a peer path for given path and new filename by stripping filename from given path and using given name.

getPathSister

public static java.lang.String getPathSister(java.lang.String aPath,
                                             java.lang.String anExtension)

Returns a sister path for given path and new extension by stripping extension from path and using given extension.

getPathStandardized

public static java.lang.String getPathStandardized(java.lang.String aPath)

Returns the path in a standard, normal format (strips any trailing file separators).

trimEnd

public static java.lang.String trimEnd(java.lang.String aString)

Trims the end of a string.

delete

public static java.lang.String delete(java.lang.String aString,
                                      java.lang.String aSearch)

Returns the result of deleting from the given string any occurrence of the search string.

deleteIC

public static java.lang.String deleteIC(java.lang.String aString,
                                        java.lang.String aSearch)

Returns the result of deleting from the given string any occurrence of the search string (ignores case).

replace

public static java.lang.String replace(java.lang.String s,
                                       int start,
                                       int end,
                                       java.lang.String withString)

Returns the result of replacing in the given string the char range with the with-string.

replace

public static java.lang.String replace(java.lang.String aString,
                                       java.lang.String search,
                                       char replace)

Returns the result of replacing in the given string any occurrence of the search string with the replace-char.

replace

public static java.lang.String replace(java.lang.String aString,
                                       java.lang.String search,
                                       java.lang.String replace)

Returns the result of replacing in the given string any occurrence of the search string with the replace-string.

replaceIC

public static java.lang.String replaceIC(java.lang.String aString,
                                         java.lang.String search,
                                         java.lang.String replace)

Returns the result of replacing in given string any occurrence of search string with replace-string (ignore case).

separate

public static java.util.List<java.lang.String> separate(java.lang.String aString,
                                                        java.lang.String aSeparator)

Returns a list of parts of given string separated by the given delimiter.

separate

public static java.util.List<java.lang.String> separate(java.lang.String aString,
                                                        java.lang.String aSeparator,
                                                        boolean doTrim)

Returns a list of parts of given string separated by the given delimiter, with option to trim space.

intValue

public static int intValue(java.lang.String aString)

Returns an int value by parsing the given string.

longValue

public static long longValue(java.lang.String aString)

Returns an int value by parsing the given string.

longValue

public static long longValue(java.lang.String aString,
                             int aStart)

Returns an double value by parsing the given string starting at the given index.

floatValue

public static float floatValue(java.lang.String aString)

Returns an float value by parsing the given string.

doubleValue

public static double doubleValue(java.lang.String aString)

Returns an double value by parsing the given string.

doubleValue

public static double doubleValue(java.lang.String aString,
                                 int aStart)

Returns an double value by parsing the given string starting at the given index.

getBytes

public static byte[] getBytes(java.lang.String aString)

Returns the ASCII bytes of the given string (ISO-Latin).

getBytes

public static byte[] getBytes(java.lang.String aString,
                              java.lang.String enc)

Returns the bytes of the given string in the requested char encoding.

getString

public static java.lang.String getString(byte[] theBytes)

Returns a string for given bytes.

getString

public static java.lang.String getString(byte[] theBytes,
                                         java.lang.String anEncoding)

Returns a string for given bytes.

getISOLatinString

public static java.lang.String getISOLatinString(byte[] bytes)

Returns a string from the given ASCII bytes.

getISOLatinString

public static java.lang.String getISOLatinString(byte[] bytes,
                                                 int offset,
                                                 int length)

Returns a string from the given ASCII bytes (from offset to offset+length).

indexOfIC

public static int indexOfIC(java.lang.CharSequence s1,
                            java.lang.CharSequence s2)

Returns the index of search string s2 in given string s1, ignores case.

indexOfIC

public static int indexOfIC(java.lang.CharSequence s1,
                            java.lang.CharSequence s2,
                            int start)

Returns the index of search string s2 in given string s1, ignores case and starts at start char index.

containsIC

public static boolean containsIC(java.lang.CharSequence aString1,
                                 java.lang.CharSequence aString2)

Returns whether a given string contains a given string, ignoring case.

equalsIC

public static boolean equalsIC(java.lang.String s1,
                               java.lang.String s2)

Returns whether s1 equals s2, ignoring case.

equalsIC

public static boolean equalsIC(java.lang.String s1,
                               java.lang.String... strings)

Returns whether s1 equals any of the given strings, ignoring case.

endsWithIC

public static boolean endsWithIC(java.lang.String s1,
                                 java.lang.String s2)

Returns whether s1 ends with s2, ignoring case.

endsWithIC

public static boolean endsWithIC(java.lang.String s1,
                                 java.lang.String... strings)

Returns whether s1 ends with any of the given strings, ignoring case.

startsWithIC

public static boolean startsWithIC(java.lang.String s1,
                                   java.lang.String s2)

Returns whether s1 starts with s2, ignoring case.

startsWithIC

public static boolean startsWithIC(java.lang.String s1,
                                   java.lang.String... strings)

Returns whether s1 starts with any of the given strings, ignoring case.

firstCharUpperCase

public static java.lang.String firstCharUpperCase(java.lang.String aString)

Returns the given string with the first char promoted to uppercase.

firstCharLowerCase

public static java.lang.String firstCharLowerCase(java.lang.String aString)

Returns the given string with the first char demoted to lowercase.

fromCamelCase

public static java.lang.String fromCamelCase(java.lang.String aString)

Returns a spaced string from a camel case string.

toCamelCase

public static java.lang.String toCamelCase(java.lang.String aString)

Returns a camel cased string from a string with non-alphanumeric chars.

wrap

public static java.lang.String wrap(java.lang.String aString,
                                    int aLimit)

Returns a string wrapped on word boundaries.

wrap

public static java.lang.String wrap(java.lang.String aString,
                                    int aLimit,
                                    java.lang.String aSeperator,
                                    java.lang.String aJoiner)

Returns a string wrapped on word boundaries as defined by regex string (eg., whitespace="\\s*", dot="\\.", etc.).

addWords

public static int addWords(java.lang.String aString,
                           int aStart,
                           int anEnd,
                           java.lang.StringBuffer aBuffer,
                           java.util.regex.Matcher aMatcher)

Adds words from given string and string start/end to given string buffer.

join

public static java.lang.String join(java.lang.Object[] parts,
                                    java.lang.String separator)

Allows you to take an array of strings and concatenate them together with a separator

Parameters:

parts - an array of Strings

separator - a string to place between elements

join

public static java.lang.String join(java.lang.Object[] parts,
                                    java.lang.String separator,
                                    int aStart,
                                    int anEnd)

Allows you to take an array of strings and concatenate them together with a separator

Parameters:

parts - an array of Strings

separator - a string to place between elements

nextInSequence

public static java.lang.String nextInSequence(java.lang.String source,
                                              java.lang.String suffix)

Turns a string like "myFile" into "myFile-1", and a string like "myFile-2" to "myFile-3", given suffix like "-".

indexOfIC

public static int indexOfIC(java.lang.String[] theStrings,
                            java.lang.String aString)

Returns the index of a given string in the given array, ignoring case.

containsIC

public static boolean containsIC(java.lang.String[] theStrings,
                                 java.lang.String aString)

Returns whether the given string array contains the given string, ignoring case.

getStringQuoted

public static java.lang.String getStringQuoted(java.lang.String aString)

Returns a quoted string.

getStringSingleQuoted

public static java.lang.String getStringSingleQuoted(java.lang.String aString)

Returns a single quoted string.

getStringSurrounded

public static java.lang.String getStringSurrounded(java.lang.String aString,
                                                   java.lang.String aSurroundString,
                                                   java.lang.String anEscapeString)

Returns a string surrounded by given string.

getStackTraceString

public static java.lang.String getStackTraceString(java.lang.Throwable aThrowable)

Returns a stack trace string for given exception.