org.dawb.common.util.io
Class StreamMacroSubstitutor

java.lang.Object
  org.dawb.common.util.io.StreamMacroSubstitutor

public class StreamMacroSubstitutor
extends java.lang.Object

This parses an XML file (and applies string interpolation (a.k.a. variable substitution. Every XML field in the XML document is examined during processing. Fields which contain a pattern beginning with "${", followed by a property key name and terminating with a "}", will trigger string interpolation.

Constructor Summary

StreamMacroSubstitutor()

Method Summary

static void

process(java.io.Reader in, java.io.Writer out, MacroSupplier macroSupplier)

Methods inherited from class java.lang.Object

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

Constructor Detail

StreamMacroSubstitutor

public StreamMacroSubstitutor()

Method Detail

process

public static void process(java.io.Reader in,
                           java.io.Writer out,
                           MacroSupplier macroSupplier)
                    throws java.io.IOException

Parameters:

in - input xml containing macros of the form ${macroname} to be substituted

out - the source with macros found in macroSupplier change to the suppled values

macroSupplier - - supplier of macros for substition

Throws:

java.io.IOException