Package ch.supertomcat.supertomcatutils.regex

Class RegexReplace

java.lang.Object

ch.supertomcat.supertomcatutils.regex.RegexReplace

public class RegexReplace
extends Object

Search and Replace by Regular Expressions

Field Summary

Fields

Modifier and Type	Field	Description
protected Pattern	pattern	Compiled Pattern
protected String	replace	Replace
protected String	search	Search

Constructor Summary

Constructors

Constructor	Description
RegexReplace()	Constructor
RegexReplace(String search, String replace)	Constructor
RegexReplace(String search, String replace, boolean compilePattern)	Constructor

Method Summary

Modifier and Type	Method	Description
String	doReplace(String input)	Replace-Method which returns the replaced input String or the input if the pattern is not compiled, the input is empty or the replacement failed
String	doReplaceMatchRegion(String input, int start)	Replace-Method which only returns the match region or an empty Stirng if the pattern is not compiled, start parameter is invalid (negative or higher than input length) or the input is empty
int	doSearch(String input, int start)	Search-Method Returns the start-position when found the pattern Returns -1 if not found the pattern or an error occured
protected boolean	executionNeeded(String input)	Checks if execution of search or replace is possible and needed
protected boolean	executionNeeded(String input, int start)	Checks if execution of search or replace is possible and needed
String	getReplace()	Returns the Replace-String
String	getSearch()	Returns the Search-String
void	setReplace(String replace)	Sets the Replace-String
void	setSearch(String search)	Sets the Search-String and try to compile the Pattern
void	setSearch(String search, boolean compilePattern)	Sets the Search-String and try to compile the Pattern.

Methods inherited from class java.lang.Object

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

Field Detail

pattern

protected Pattern pattern

Compiled Pattern

search

protected String search

Search

replace

protected String replace

Replace

Constructor Detail

RegexReplace

public RegexReplace()

Constructor

RegexReplace

public RegexReplace(String search,
                    String replace)
             throws PatternSyntaxException

Constructor

Parameters:

search - Regex Search Pattern

replace - Replacement String

Throws:

PatternSyntaxException

RegexReplace

public RegexReplace(String search,
                    String replace,
                    boolean compilePattern)
             throws PatternSyntaxException

Constructor

Parameters:

search - Regex Search Pattern

replace - Replacement String

compilePattern - True if pattern should be compiled, false otherwise

Throws:

PatternSyntaxException

Method Detail

getSearch

public String getSearch()

Returns the Search-String

Returns:

Search-String

setSearch

public void setSearch(String search)
               throws PatternSyntaxException

Sets the Search-String and try to compile the Pattern

Parameters:

search - Search-String

Throws:

PatternSyntaxException

setSearch

public void setSearch(String search,
                      boolean compilePattern)
               throws PatternSyntaxException

Sets the Search-String and try to compile the Pattern. Note: If compilePattern is false, then the pattern Member is set to null.

Parameters:

search - Search-String

compilePattern - True if pattern should be compiled, false otherwise

Throws:

PatternSyntaxException

getReplace

public String getReplace()

Returns the Replace-String

Returns:

Replace-String

setReplace

public void setReplace(String replace)

Sets the Replace-String

Parameters:

replace - Replace-String

executionNeeded

protected boolean executionNeeded(String input)

Checks if execution of search or replace is possible and needed

Parameters:

input - Input

Returns:

True if execution of search or replace is possible and needed, false otherwise

executionNeeded

protected boolean executionNeeded(String input,
                                  int start)

Checks if execution of search or replace is possible and needed

Parameters:

input - Input

start - Start Index

Returns:

True if execution of search or replace is possible and needed, false otherwise

doSearch

public int doSearch(String input,
                    int start)

Search-Method Returns the start-position when found the pattern Returns -1 if not found the pattern or an error occured

Parameters:

input - Input

start - Startposition

Returns:

Found position

doReplace

public String doReplace(String input)

Replace-Method which returns the replaced input String or the input if the pattern is not compiled, the input is empty or the replacement failed

Parameters:

input - Input

Returns:

Replaced String

doReplaceMatchRegion

public String doReplaceMatchRegion(String input,
                                   int start)

Replace-Method which only returns the match region or an empty Stirng if the pattern is not compiled, start parameter is invalid (negative or higher than input length) or the input is empty

Parameters:

input - Input

start - Startposition

Returns:

Replaced String