org.devzendo.xplp

Class PropertiesInterpolator

java.lang.Object

org.devzendo.xplp.PropertiesInterpolator

public final class PropertiesInterpolator
extends Object

Interpolation of name=value pairs from a Properties object into a String, using Ant-style references to names - e.g ${name}.

Author:

matt

Constructor Summary

Constructors

Constructor and Description
PropertiesInterpolator(Properties props) Create an interpolator, given a set of properties to interpolate inside incoming string data.

Method Summary

Modifier and Type	Method and Description
void	doNotInterpolate(String verbatimVariable) Mark ${verbatimVariable} as a variable name that should not be interpolated
String	interpolate(String input) Replace any ${names} with their ${values}, except in # lines

Methods inherited from class java.lang.Object

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

Constructor Detail

PropertiesInterpolator

public PropertiesInterpolator(Properties props)

Create an interpolator, given a set of properties to interpolate inside incoming string data.

Parameters:

props - the name=value pairs.

Method Detail

interpolate

public String interpolate(String input)

Replace any ${names} with their ${values}, except in # lines

Parameters:

input - the input string, can be null

Returns:

the output, null iff input == null

doNotInterpolate

public void doNotInterpolate(String verbatimVariable)

Mark ${verbatimVariable} as a variable name that should not be interpolated

Parameters:

verbatimVariable - a variable not to be interpolated; should be passed through as ${verbatimVariable}