org.springframework.scripting.bsh

Class BshScriptEvaluator

java.lang.Object

org.springframework.scripting.bsh.BshScriptEvaluator

All Implemented Interfaces:

Aware, BeanClassLoaderAware, ScriptEvaluator

public class BshScriptEvaluator
extends java.lang.Object
implements ScriptEvaluator, BeanClassLoaderAware

BeanShell-based implementation of Spring's ScriptEvaluator strategy interface.

Since:

4.0

Author:

Juergen Hoeller

See Also:

Interpreter.eval(String)

Constructor Summary

Constructors

Constructor and Description
BshScriptEvaluator() Construct a new BshScriptEvaluator.
BshScriptEvaluator(java.lang.ClassLoader classLoader) Construct a new BshScriptEvaluator.

Method Summary

Modifier and Type	Method and Description
java.lang.Object	evaluate(ScriptSource script) Evaluate the given script.
java.lang.Object	evaluate(ScriptSource script, java.util.Map<java.lang.String,java.lang.Object> arguments) Evaluate the given script with the given arguments.
void	setBeanClassLoader(java.lang.ClassLoader classLoader) Callback that supplies the bean class loader to a bean instance.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BshScriptEvaluator

public BshScriptEvaluator()

Construct a new BshScriptEvaluator.

BshScriptEvaluator

public BshScriptEvaluator(java.lang.ClassLoader classLoader)

Construct a new BshScriptEvaluator.

Parameters:

classLoader - the ClassLoader to use for the Interpreter

Method Detail

setBeanClassLoader

public void setBeanClassLoader(java.lang.ClassLoader classLoader)

Description copied from interface: BeanClassLoaderAware

Callback that supplies the bean class loader to a bean instance.

Invoked after the population of normal bean properties but before an initialization callback such as InitializingBean's InitializingBean.afterPropertiesSet() method or a custom init-method.

Specified by:

setBeanClassLoader in interface BeanClassLoaderAware

Parameters:

classLoader - the owning class loader; may be null in which case a default ClassLoader must be used, for example the ClassLoader obtained via ClassUtils.getDefaultClassLoader()

evaluate

public java.lang.Object evaluate(ScriptSource script)

Description copied from interface: ScriptEvaluator

Evaluate the given script.

Specified by:

evaluate in interface ScriptEvaluator

Parameters:

script - the ScriptSource for the script to evaluate

Returns:

the return value of the script, if any

evaluate

public java.lang.Object evaluate(ScriptSource script,
                                 java.util.Map<java.lang.String,java.lang.Object> arguments)

Description copied from interface: ScriptEvaluator

Evaluate the given script with the given arguments.

Specified by:

evaluate in interface ScriptEvaluator

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