ScriptExecutor.java 文件源码

/**
 * Construct a new script executors
 *
 * @param engine
 *            the script engine to use, must not be <code>null</code>
 * @param command
 *            the command to execute, may be <code>null</code>
 * @param classLoader
 *            the class loader to use when executing, may be
 *            <code>null</code>
 * @throws ScriptException
 */
public ScriptExecutor ( final ScriptEngine engine, final String command, final ClassLoader classLoader, final String sourceName ) throws Exception
{
    this.engine = engine;
    this.command = command;
    this.commandUrl = null;
    this.classLoader = classLoader;
    this.sourceName = sourceName;

    if ( command != null && engine instanceof Compilable && !Boolean.getBoolean ( PROP_NAME_DISABLE_COMPILE ) )
    {
        if ( sourceName != null )
        {
            engine.put ( ScriptEngine.FILENAME, sourceName );
        }

        Scripts.executeWithClassLoader ( classLoader, new Callable<Void> () {
            @Override
            public Void call () throws Exception
            {
                ScriptExecutor.this.compiledScript = ( (Compilable)engine ).compile ( command );
                return null;
            }
        } );
    }
}