| java.lang.Object
 net.sf.jasperreports.engine.fill.JREvaluator
All known Subclasses: net.sf.jasperreports.compilers.JRBshEvaluator,
| JREvaluator | | abstract public class JREvaluator (Code) | | Base class for the dynamically generated expression evaluator classes.
author:
Lucian Chirita (lucianc@users.sourceforge.net)
version:
$Id: JREvaluator.java 1470 2006-11-08 16:07:35Z teodord $ |
| Constructor Summary | |
| protected | JREvaluator()
Default constructor. |
| Method Summary | |
| abstract protected void | customizedInit(Map parametersMap, Map fieldsMap, Map variablesMap)
Initializes the parameters, fields and variables of the evaluator. | | public Object | evaluate(JRExpression expression)
| | abstract protected Object | evaluate(int id)
Evaluates an expression using current fields and variables values. | | public Object | evaluateEstimated(JRExpression expression)
| | abstract protected Object | evaluateEstimated(int id)
Evaluates an expression using estimated variables values. | | public Object | evaluateOld(JRExpression expression)
| | abstract protected Object | evaluateOld(int id)
Evaluates an expression using old fields and variables values. | | protected String | handleMissingResource(String key, Exception e)
Handles the case when a resource is missing. | | public void | init(Map parametersMap, Map fieldsMap, Map variablesMap, byte resourceMissingType)
Initializes the evaluator by setting the parameter, field and variable objects. | | public String | msg(String pattern, Object arg0)
Constructs a message using a pattern with one parameter. | | public String | msg(String pattern, Object arg0, Object arg1)
Constructs a message using a pattern with two parameters. | | public String | msg(String pattern, Object arg0, Object arg1, Object arg2)
Constructs a message using a pattern with three parameters. | | public String | msg(String pattern, Object[] args)
Constructs a message using a pattern with an Object array parameter. | | public String | str(String key)
Returns a string for a given key from the resource bundle associated with the evaluator. |
| JREvaluator | | protected JREvaluator()(Code) | | Default constructor.
|
| customizedInit | | abstract protected void customizedInit(Map parametersMap, Map fieldsMap, Map variablesMap) throws JRException(Code) | | Initializes the parameters, fields and variables of the evaluator.
Parameters:
parametersMap - the parameters indexed by name
Parameters:
fieldsMap - the fields indexed by name
Parameters:
variablesMap - the variables indexed by name
throws:
JRException - |
| handleMissingResource | | protected String handleMissingResource(String key, Exception e) throws JRRuntimeException(Code) | | Handles the case when a resource is missing.
Parameters:
key - the resource key
Parameters:
e - the exception the value to use for the resource
throws:
JRRuntimeException - when the resource missing handling type is Error |
| init | | public void init(Map parametersMap, Map fieldsMap, Map variablesMap, byte resourceMissingType) throws JRException(Code) | | Initializes the evaluator by setting the parameter, field and variable objects.
Parameters:
parametersMap - the parameters indexed by name
Parameters:
fieldsMap - the fields indexed by name
Parameters:
variablesMap - the variables indexed by name
Parameters:
resourceMissingType - the resource missing type
throws:
JRException - |
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