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java.lang.Objectorg.apache.commons.jexl2.MapContext
public class MapContext
Wraps a map in a context.
Each entry in the map is considered a variable name, value pair.
| Field Summary | |
|---|---|
protected Map<String,Object> |
map
The wrapped variable map. |
| Constructor Summary | |
|---|---|
MapContext()
Creates a MapContext on an automatically allocated underlying HashMap. |
|
MapContext(Map<String,Object> vars)
Creates a MapContext wrapping an existing user provided map. |
|
| Method Summary | |
|---|---|
Object |
get(String name)
Gets the value of a variable. |
boolean |
has(String name)
Checks whether a variable is defined in this context. |
void |
set(String name,
Object value)
Sets the value of a variable. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
|---|
protected final Map<String,Object> map
| Constructor Detail |
|---|
public MapContext()
public MapContext(Map<String,Object> vars)
vars - the variable map| Method Detail |
|---|
public boolean has(String name)
A variable may be defined with a null value; this method checks whether the value is null or if the variable is undefined.
has in interface JexlContextname - the variable's name
public Object get(String name)
get in interface JexlContextname - the variable's name
public void set(String name,
Object value)
set in interface JexlContextname - the variable's namevalue - the variable's value
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