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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 | |
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protected java.util.Map<java.lang.String,java.lang.Object> |
map
The wrapped variable map. |
Constructor Summary | |
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MapContext()
Creates a MapContext on an automatically allocated underlying HashMap. |
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MapContext(java.util.Map<java.lang.String,java.lang.Object> vars)
Creates a MapContext wrapping an existing user provided map. |
Method Summary | |
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java.lang.Object |
get(java.lang.String name)
Gets the value of a variable. |
boolean |
has(java.lang.String name)
Checks whether a variable is defined in this context. |
void |
set(java.lang.String name,
java.lang.Object value)
Sets the value of a variable. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected final java.util.Map<java.lang.String,java.lang.Object> map
Constructor Detail |
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public MapContext()
public MapContext(java.util.Map<java.lang.String,java.lang.Object> vars)
vars
- the variable mapMethod Detail |
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public boolean has(java.lang.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 JexlContext
name
- the variable's name
public java.lang.Object get(java.lang.String name)
get
in interface JexlContext
name
- the variable's name
public void set(java.lang.String name, java.lang.Object value)
set
in interface JexlContext
name
- the variable's namevalue
- the variable's value
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