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java.lang.Object org.apache.commons.digester.substitution.MultiVariableExpander
public class MultiVariableExpander
Expands variable references from multiple sources.
Constructor Summary | |
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MultiVariableExpander()
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Method Summary | |
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void |
addSource(String marker,
Map<String,Object> source)
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String |
expand(String param)
Return the input string with any variables replaced by their corresponding value. |
String |
expand(String str,
String marker,
Map<String,Object> 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 |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public MultiVariableExpander()
Method Detail |
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public void addSource(String marker, Map<String,Object> source)
public String expand(String param)
VariableExpander
expand
in interface VariableExpander
public String expand(String str, String marker, Map<String,Object> 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).
IllegalArgumentException
- if the input param references
a variable which is not known to the specified source.
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