001/*
002 * jPOS Project [http://jpos.org]
003 * Copyright (C) 2000-2026 jPOS Software SRL
004 *
005 * This program is free software: you can redistribute it and/or modify
006 * it under the terms of the GNU Affero General Public License as
007 * published by the Free Software Foundation, either version 3 of the
008 * License, or (at your option) any later version.
009 *
010 * This program is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
013 * GNU Affero General Public License for more details.
014 *
015 * You should have received a copy of the GNU Affero General Public License
016 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
017 */
018
019package org.jpos.q2.qbean;
020
021import bsh.BshClassManager;
022import bsh.Interpreter;
023import bsh.UtilEvalError;
024import org.jdom2.Element;
025import org.jpos.q2.Q2;
026import org.jpos.q2.QBeanSupport;
027
028/**
029 * QBean that runs a BeanShell script (loaded from {@code <script>} children
030 * of its persist element) on a dedicated thread.
031 */
032public class BSH extends QBeanSupport implements Runnable {
033    /** Default constructor; no instance state to initialise. */
034    public BSH() {}
035    /** BeanShell interpreter executing the configured scripts. */
036    protected Interpreter bsh;
037
038    public void initService() {
039        bsh = new Interpreter ();
040        BshClassManager bcm = bsh.getClassManager();
041        try {
042            bcm.setClassPath(getServer().getLoader().getURLs());
043        } catch (UtilEvalError e) {
044            e.printStackTrace();
045        }
046        bcm.setClassLoader(getServer().getLoader());
047    }
048    public void startService() {
049        new Thread (this, "BSH-" + getName()).start ();
050    }
051    public void run () {
052        Element config = getPersist();
053        try {
054            bsh.set  ("qbean", this);
055            bsh.set  ("log", getLog());
056            bsh.set  ("cfg", getConfiguration());
057            bsh.set  ("q2", getServer());
058            bsh.eval (config.getText());
059            String source = config.getAttributeValue ("source");
060            if (source != null)
061                bsh.source (source);
062        } catch (Throwable e) {
063            getLog().warn (e);
064        }
065    }
066}