org.apache.commons.digester.substitution

Class MultiVariableExpander

public class MultiVariableExpander extends Object implements VariableExpander

Expands variable references from multiple sources.

Since: 1.6

Constructor Summary
	MultiVariableExpander()

Method Summary
void	addSource(String marker, Map source)
String	expand(String param)
String	expand(String str, String marker, Map source) Replace any occurrences within the string of the form "marker{key}" with the value from source[key].

Field Detail

private ArrayList markers

private int nEntries

private ArrayList sources

public MultiVariableExpander()

public void addSource(String marker, Map source)

public String expand(String param)

public String expand(String str, String marker, Map source)

Replace any occurrences within the string of the form "marker{key}" with the value from source[key].

Commonly, the variable marker is "$", in which case variables are indicated by ${key} in the string.

Returns the string after performing all substitutions.

If no substitutions were made, the input string object is returned (not a copy).

Throws: IllegalArgumentException if the input param references a variable which is not known to the specified source.