org.apache.maven.plugins.scripting

Class StringScriptEvaluator

java.lang.Object

org.apache.maven.plugins.scripting.StringScriptEvaluator

public class StringScriptEvaluator
extends Object

Evaluates a script held in a string

Author:

Rusi Popov

Constructor Summary

Constructors

Constructor and Description
StringScriptEvaluator(String engineName, String script)

Method Summary

Modifier and Type	Method and Description
Object	eval(Bindings bindings)
protected Object	eval(ScriptEngine engine, ScriptContext context) AbstractScriptEvaluator the script
protected ScriptEngine	getEngine(ScriptEngineManager manager)

Methods inherited from class java.lang.Object

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

Constructor Detail

StringScriptEvaluator

public StringScriptEvaluator(String engineName,
                             String script)

Parameters:

engineName - the engine name

script - the script

Throws:

IllegalArgumentException - if either engineName or script is null

Method Detail

getEngine

protected ScriptEngine getEngine(ScriptEngineManager manager)
                          throws UnsupportedScriptEngineException

Parameters:

manager - the script engine manager.

Returns:

non-null engine to execute the script

Throws:

UnsupportedScriptEngineException - if the engineName is not supported

See Also:

AbstractScriptEvaluator.getEngine(javax.script.ScriptEngineManager)

eval

protected Object eval(ScriptEngine engine,
                      ScriptContext context)
               throws ScriptException

AbstractScriptEvaluator the script

Parameters:

engine - the script engine.

context - the script context.

Returns:

possibly null result of the script

Throws:

ScriptException - if an error occurs in script.

See Also:

AbstractScriptEvaluator.eval(javax.script.ScriptEngine, javax.script.ScriptContext)

eval

public final Object eval(Bindings bindings)
                  throws ScriptException,
                         UnsupportedScriptEngineException

Parameters:

bindings - not null bindings to provide to the script to execute

Returns:

the possibly null result the script produced

Throws:

UnsupportedScriptEngineException - when the engine is not configured correctly

ScriptException - if an error occurs in script.