Class UnifiedJEXL.TemplateContext
java.lang.Object
edu.internet2.middleware.grouperClientExt.org.apache.commons.jexl2.UnifiedJEXL.TemplateContext
- All Implemented Interfaces:
JexlContext
,NamespaceResolver
- Enclosing class:
- UnifiedJEXL
public final class UnifiedJEXL.TemplateContext
extends Object
implements JexlContext, NamespaceResolver
The type of context to use during evaluation of templates.
This context exposes its writer as '$jexl' to the scripts.
public for introspection purpose.
- Since:
- 2.1
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Constructor Summary
ModifierConstructorDescriptionprotected
TemplateContext
(JexlContext jcontext, JexlEngine.Frame jframe, UnifiedJEXL.Expression[] expressions, Writer out) Creates a template context instance. -
Method Summary
Modifier and TypeMethodDescriptionGets the value of a variable.getFrame()
Gets this context calling frame.boolean
Checks whether a variable is defined in this context.void
include
(UnifiedJEXL.Template template, Object... args) Includes a call to another template.void
print
(int e) Prints an expression result.protected void
printComposite
(edu.internet2.middleware.grouperClientExt.org.apache.commons.jexl2.UnifiedJEXL.CompositeExpression composite) Prints a composite expression.Resolves a namespace by its name.void
Sets the value of a variable.
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Constructor Details
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TemplateContext
protected TemplateContext(JexlContext jcontext, JexlEngine.Frame jframe, UnifiedJEXL.Expression[] expressions, Writer out) Creates a template context instance.- Parameters:
jcontext
- the base contextjframe
- the calling frameexpressions
- the list of expression from the template to evaluateout
- the output writer
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Method Details
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getFrame
Gets this context calling frame.- Returns:
- the engine frame
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get
Gets the value of a variable.- Specified by:
get
in interfaceJexlContext
- Parameters:
name
- the variable's name- Returns:
- the value
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set
Sets the value of a variable.- Specified by:
set
in interfaceJexlContext
- Parameters:
name
- the variable's namevalue
- the variable's value
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has
Checks whether a variable is defined in this context.A variable may be defined with a null value; this method checks whether the value is null or if the variable is undefined.
- Specified by:
has
in interfaceJexlContext
- Parameters:
name
- the variable's name- Returns:
- true if it exists, false otherwise
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resolveNamespace
Resolves a namespace by its name.- Specified by:
resolveNamespace
in interfaceNamespaceResolver
- Parameters:
ns
- the name- Returns:
- the namespace object
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include
Includes a call to another template.Evaluates a template using this template initial context and writer.
- Parameters:
template
- the template to evaluateargs
- the arguments
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print
public void print(int e) Prints an expression result.- Parameters:
e
- the expression number
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printComposite
protected void printComposite(edu.internet2.middleware.grouperClientExt.org.apache.commons.jexl2.UnifiedJEXL.CompositeExpression composite) Prints a composite expression.- Parameters:
composite
- the composite expression
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