/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *  
 */

package org.apache.jmeter.timers;

import org.apache.jmeter.testbeans.TestBean;
import org.apache.jmeter.threads.JMeterContext;
import org.apache.jmeter.threads.JMeterContextService;
import org.apache.jmeter.threads.JMeterVariables;
import org.apache.jmeter.util.BeanShellInterpreter;
import org.apache.jmeter.util.BeanShellTestElement;
import org.apache.jorphan.logging.LoggingManager;
import org.apache.jorphan.util.JMeterException;
import org.apache.log.Logger;

public class BeanShellTimer extends BeanShellTestElement implements Cloneable, Timer, TestBean {
    private static final Logger log = LoggingManager.getLoggerForClass();
    
    private static final long serialVersionUID = 4;

    // can be specified in jmeter.properties
    private static final String INIT_FILE = "beanshell.timer.init"; //$NON-NLS-1$

    protected String getInitFileProperty() {
        return INIT_FILE;
    }
    
    /*
	 * (non-Javadoc)
	 * 
	 * @see org.apache.jmeter.timers.Timer#delay()
	 */
	public long delay() {
        String ret="0";
        final BeanShellInterpreter bshInterpreter = getBeanShellInterpreter();
		if (bshInterpreter == null) {
        	log.error("BeanShell not found");
        	return 0;
        }
        JMeterContext jmctx = JMeterContextService.getContext();
        JMeterVariables vars = jmctx.getVariables();
        try {
            // Add variables for access to context and variables
            bshInterpreter.set("ctx", jmctx);//$NON-NLS-1$
            bshInterpreter.set("vars", vars);//$NON-NLS-1$
            Object o = processFileOrScript(bshInterpreter);
            if (o != null) { ret=o.toString(); }
        } catch (JMeterException e) {
            log.warn("Problem in BeanShell script "+e);
        }
        try {
        	return Long.decode(ret).longValue();
        } catch (NumberFormatException e){
        	log.warn(e.getLocalizedMessage());
        	return 0;
        }
	}
}
