org.springframework.scripting

Interface ScriptEvaluator

All Known Implementing Classes:

BshScriptEvaluator, GroovyScriptEvaluator, StandardScriptEvaluator

public interface ScriptEvaluator

Spring's strategy interface for evaluating a script.

Aside from language-specific implementations, Spring also ships a version based on the standard javax.script package (JSR-223): StandardScriptEvaluator.

Since:

4.0

Author:

Juergen Hoeller, Costin Leau

Method Summary

Modifier and Type	Method and Description
Object	evaluate(ScriptSource script) Evaluate the given script.
Object	evaluate(ScriptSource script, Map<String,Object> arguments) Evaluate the given script with the given arguments.

Method Detail

evaluate

@Nullable
Object evaluate(ScriptSource script)
                   throws ScriptCompilationException

Evaluate the given script.

Parameters:

script - the ScriptSource for the script to evaluate

Returns:

the return value of the script, if any

Throws:

ScriptCompilationException - if the evaluator failed to read, compile or evaluate the script

evaluate

@Nullable
Object evaluate(ScriptSource script,
                          @Nullable
                          Map<String,Object> arguments)
                   throws ScriptCompilationException

Evaluate the given script with the given arguments.

Parameters:

script - the ScriptSource for the script to evaluate

arguments - the key-value pairs to expose to the script, typically as script variables (may be null or empty)

Returns:

the return value of the script, if any

Throws:

ScriptCompilationException - if the evaluator failed to read, compile or evaluate the script