/*
 * $Id: CallServiceAsynch.java,v 1.1 2008/02/06 10:43:52 linkconsulting Exp $
 *
 *  Copyright (c) 2001-2005 The Open For Business Project - www.ofbiz.org
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a
 *  copy of this software and associated documentation files (the "Software"),
 *  to deal in the Software without restriction, including without limitation
 *  the rights to use, copy, modify, merge, publish, distribute, sublicense,
 *  and/or sell copies of the Software, and to permit persons to whom the
 *  Software is furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included
 *  in all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 *  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 *  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 *  CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
 *  OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
 *  THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package org.ofbiz.minilang.method.callops;

import java.util.HashMap;
import java.util.Locale;
import java.util.Map;

import org.ofbiz.base.util.Debug;
import org.ofbiz.entity.GenericValue;
import org.ofbiz.minilang.SimpleMethod;
import org.ofbiz.minilang.method.ContextAccessor;
import org.ofbiz.minilang.method.MethodContext;
import org.ofbiz.minilang.method.MethodOperation;
import org.ofbiz.service.GenericServiceException;
import org.w3c.dom.Element;

/**
 * Calls a service using the given parameters
 *
 * @author     <a href="mailto:jonesde@ofbiz.org">David E. Jones</a> 
 * @author     <a href="mailto:jaz@ofbiz.org">Andy Zeneski</a>
 * @version    $Rev: 5462 $
 * @since      2.0
 */
public class CallServiceAsynch extends MethodOperation {
    
    public static final String module = CallServiceAsynch.class.getName();
    
    String serviceName;
    ContextAccessor inMapAcsr;
    String includeUserLoginStr;

    public CallServiceAsynch(Element element, SimpleMethod simpleMethod) {
        super(element, simpleMethod);
        serviceName = element.getAttribute("service-name");
        inMapAcsr = new ContextAccessor(element.getAttribute("in-map-name"));
        includeUserLoginStr = element.getAttribute("include-user-login");
    }

    public boolean exec(MethodContext methodContext) {
        String serviceName = methodContext.expandString(this.serviceName);
        boolean includeUserLogin = !"false".equals(methodContext.expandString(includeUserLoginStr));
        
        Map inMap = null;
        if (inMapAcsr.isEmpty()) {
            inMap = new HashMap();
        } else {
            inMap = (Map) inMapAcsr.get(methodContext);
            if (inMap == null) {
                inMap = new HashMap();
                inMapAcsr.put(methodContext, inMap);
            }
        }

        // add UserLogin to context if expected
        if (includeUserLogin) {
            GenericValue userLogin = methodContext.getUserLogin();

            if (userLogin != null)
                inMap.put("userLogin", userLogin);
        }
        
        // always add Locale to context unless null
        Locale locale = methodContext.getLocale();
        if (locale != null) {
            inMap.put("locale", locale);
        }
        
        // invoke the service
        try {
            methodContext.getDispatcher().runAsync(serviceName, inMap);
        } catch (GenericServiceException e) {
            Debug.logError(e, module);
            String errMsg = "ERROR: Could not complete the " + simpleMethod.getShortDescription() + " process [problem invoking the " + serviceName + " service: " + e.getMessage() + "]";

            if (methodContext.getMethodType() == MethodContext.EVENT) {
                methodContext.putEnv(simpleMethod.getEventErrorMessageName(), errMsg);
                methodContext.putEnv(simpleMethod.getEventResponseCodeName(), simpleMethod.getDefaultErrorCode());
            } else if (methodContext.getMethodType() == MethodContext.SERVICE) {
                methodContext.putEnv(simpleMethod.getServiceErrorMessageName(), errMsg);
                methodContext.putEnv(simpleMethod.getServiceResponseMessageName(), simpleMethod.getDefaultErrorCode());
            }
            return false;
        }

        return true;
    }

    public String rawString() {
        // TODO: something more than the empty tag
        return "<call-service-asynch/>";
    }
    public String expandedString(MethodContext methodContext) {
        // TODO: something more than a stub/dummy
        return this.rawString();
    }
}
