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	Description
StringScriptEvaluator(String engineName, String script)

Method Summary

Modifier and Type	Method	Description
protected final Object	eval(Bindings bindings, org.apache.maven.plugin.logging.Log log)
protected Object	eval(ScriptEngine engine, ScriptContext context)	AbstractScriptEvaluator the script
protected ScriptEngine	getEngine(ScriptEngineManager manager)

Methods inherited from class Object

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

Constructor Details

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 Details

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

protected final Object eval(Bindings bindings,
 org.apache.maven.plugin.logging.Log log)
                     throws ScriptException,
UnsupportedScriptEngineException

Parameters:

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

log - engine logger if context aware

Returns:

the possibly null result the script produced

Throws:

UnsupportedScriptEngineException - when the engine is not configured correctly

ScriptException - if an error occurs in script.