/* * Copyright (c) 2002-2003 by OpenSymphony * All rights reserved. */package com.opensymphony.workflow.util.jndi;import com.opensymphony.module.propertyset.PropertySet;import com.opensymphony.workflow.*;import org.apache.commons.logging.Log;import org.apache.commons.logging.LogFactory;import java.util.Map;import javax.naming.InitialContext;import javax.naming.NamingException;/** * * * @author $Author: hani $ * @version $Revision: 1.4 $ */public class JNDIValidator implements Validator {    //~ Static fields/initializers /////////////////////////////////////////////    private static final Log log = LogFactory.getLog(JNDIValidator.class);    //~ Methods ////////////////////////////////////////////////////////////////    public void validate(Map transientVars, Map args, PropertySet ps) throws InvalidInputException, WorkflowException {        String location = (String) args.get(AbstractWorkflow.JNDI_LOCATION);        if (location == null) {            throw new WorkflowException(AbstractWorkflow.JNDI_LOCATION + " argument is null");        }        Validator validator;        try {            try {                validator = (Validator) new InitialContext().lookup(location);            } catch (NamingException e) {                validator = (Validator) new InitialContext().lookup("java:comp/env/" + location);            }        } catch (NamingException e) {            String message = "Could not look up JNDI Validator at: " + location;            throw new WorkflowException(message, e);        }        validator.validate(transientVars, args, ps);    }}