com.ibm.tivoli.maximo.util

Class TextReplacement

java.lang.Object

com.ibm.tivoli.maximo.util.TextReplacement

Direct Known Subclasses:

RecordLimitResolver

public class TextReplacement
extends java.lang.Object

TextReplace is a simple means to replace all occurances of a string, with another string using a regular expression and a TextResolver. The regular expression must contain one group, and the resolver will be passed the value of the group, and it should return the replacement value or null. This differs from a normal String.replaveAll() in that the replacement value, in this case, is dynamic based on the parsed group value. For example if you have a String like, "where field1=:value1 and field2=:value2" with a regex of ":([a-z])", then the TextResolver will be passed 'value1' and 'value2' and be expected to resolve a potentially different value for each.

Author:

sls

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	TextReplacement.TextResolver Used during the TextReplacement to dynamically resolve the input string with a value.

Constructor Summary

Constructors

Constructor and Description
TextReplacement(java.util.regex.Pattern pat, TextReplacement.TextResolver resolver) Creates a TextReplacement for the given regular expression and resolver.

Method Summary

Modifier and Type	Method and Description
java.lang.String	doReplacements(java.lang.String in) For the given input string, like, 'fielda=${val1} and fieldb=${val2}', do the variable replacements using the regular expression and resolver that was passed in the contructor
static TextReplacement	newColonTextReplacement(TextReplacement.TextResolver resolver) Creates a TextReplacement for :VARNAME type of variables
static TextReplacement	newDollarTextReplacement(TextReplacement.TextResolver resolver) Creates a TextReplacement for ${VARNAME} type of variables
static TextReplacement	newMustacheTextReplacement(TextReplacement.TextResolver resolver) Creates a mustache TextReplacement for {{opt_prefix:VARNAME:opt_posfix}} type of variables VARNAME can contain A-Z,0-9,and _ (underscore)
static TextReplacement	newPrefixDollarTextReplacement(TextReplacement.TextResolver resolver) Creates a TextReplacement for ${opt_prefix:VARNAME:opt_posfix} type of variables VARNAME can contain A-Z,0-9,and _ (underscore)

Methods inherited from class java.lang.Object

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

Constructor Detail

TextReplacement

public TextReplacement(java.util.regex.Pattern pat,
                       TextReplacement.TextResolver resolver)

Creates a TextReplacement for the given regular expression and resolver. The regular expression MUST contain at least one group, ie, something like ":([a-z]+)", which matches on ":VAR" and the grouping would contain "VAR" but not the ":"

Parameters:

pat -

resolver -

Method Detail

doReplacements

public java.lang.String doReplacements(java.lang.String in)

For the given input string, like, 'fielda=${val1} and fieldb=${val2}', do the variable replacements using the regular expression and resolver that was passed in the contructor

Parameters:

in -

Returns:

newDollarTextReplacement

public static TextReplacement newDollarTextReplacement(TextReplacement.TextResolver resolver)

Creates a TextReplacement for ${VARNAME} type of variables

Parameters:

resolver -

Returns:

TextResolver instance

newPrefixDollarTextReplacement

public static TextReplacement newPrefixDollarTextReplacement(TextReplacement.TextResolver resolver)

Creates a TextReplacement for ${opt_prefix:VARNAME:opt_posfix} type of variables VARNAME can contain A-Z,0-9,and _ (underscore)

Parameters:

resolver -

Returns:

TextResolver instance

newMustacheTextReplacement

public static TextReplacement newMustacheTextReplacement(TextReplacement.TextResolver resolver)

Creates a mustache TextReplacement for {{opt_prefix:VARNAME:opt_posfix}} type of variables VARNAME can contain A-Z,0-9,and _ (underscore)

Parameters:

resolver -

Returns:

TextResolver instance

newColonTextReplacement

public static TextReplacement newColonTextReplacement(TextReplacement.TextResolver resolver)

Creates a TextReplacement for :VARNAME type of variables

Parameters:

resolver -

Returns: