JSR223Tasklet.java

package org.openntf.domino.xsp.xots;

import java.io.PrintWriter;

import javax.script.ScriptContext;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.ScriptException;

import org.openntf.domino.Database;
import org.openntf.domino.design.AnyFileResource;
import org.openntf.domino.design.DatabaseDesign;
import org.openntf.domino.thread.AbstractDominoRunnable;
import org.openntf.domino.utils.Factory;
import org.openntf.domino.utils.Factory.SessionType;

public class JSR223Tasklet extends AbstractDominoRunnable {
	private static final long serialVersionUID = 1L;

	private final String script_;
	private final String scriptExt_;
	private final String databasePath_;

	public JSR223Tasklet(final String scriptName, final Database database) {
		int extIndex = scriptName.lastIndexOf('.');
		scriptExt_ = scriptName.substring(extIndex + 1);

		DatabaseDesign design = database.getDesign();
		AnyFileResource script = design.getAnyFileResource(scriptName);
		script_ = new String(script.getFileData());
		databasePath_ = database.getApiPath();
	}

	@Override
	public void run() {
		Database database = Factory.getSession(SessionType.CURRENT).getDatabase(databasePath_);

		ScriptEngineManager manager = new ScriptEngineManager();
		ScriptEngine engine = manager.getEngineByExtension(scriptExt_);

		engine.put("database", database);
		engine.put("session", database.getAncestorSession());

		ScriptContext context = engine.getContext();
		context.setWriter(new PrintWriter(System.out));
		context.setErrorWriter(new PrintWriter(System.err));

		try {
			engine.eval(script_);
		} catch (ScriptException e) {
			throw new RuntimeException(e);
		}
	}
}