public class MultiVariableExpander extends java.lang.Object implements VariableExpander
Expands variable references from multiple sources.
Constructor and Description |
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MultiVariableExpander() |
Modifier and Type | Method and Description |
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void |
addSource(java.lang.String marker,
java.util.Map source) |
java.lang.String |
expand(java.lang.String param)
Return the input string with any variables replaced by their
corresponding value.
|
java.lang.String |
expand(java.lang.String str,
java.lang.String marker,
java.util.Map source)
Replace any occurrences within the string of the form
"marker{key}" with the value from source[key].
|
public void addSource(java.lang.String marker, java.util.Map source)
public java.lang.String expand(java.lang.String param)
VariableExpander
expand
in interface VariableExpander
public java.lang.String expand(java.lang.String str, java.lang.String marker, java.util.Map source)
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).
java.lang.IllegalArgumentException
- if the input param references
a variable which is not known to the specified source.Copyright © 2001-2012 Apache Software Foundation. All Rights Reserved.