org.apache.commons.digester.substitution
Class MultiVariableExpander
java.lang.Object
|
+--org.apache.commons.digester.substitution.MultiVariableExpander
- All Implemented Interfaces:
- VariableExpander
- public class MultiVariableExpander
- extends java.lang.Object
- implements VariableExpander
Expands variable references from multiple sources.
- Since:
- 1.6
Method Summary |
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]. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
MultiVariableExpander
public MultiVariableExpander()
addSource
public void addSource(java.lang.String marker,
java.util.Map source)
expand
public java.lang.String expand(java.lang.String param)
- Description copied from interface:
VariableExpander
- Return the input string with any variables replaced by their
corresponding value. If there are no variables in the string,
then the input parameter is returned unaltered.
- Specified by:
expand
in interface VariableExpander
expand
public 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].
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:
java.lang.IllegalArgumentException
- if the input param references
a variable which is not known to the specified source.
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