bookmgraction.java

《精通SOA：基于服务总线的Struts+EJB+Web Service整合应用开发》原书的实例代码

/*
 * $Id: RegistrationAction.java 54929 2004-10-16 16:38:42Z germuska $ 
 *
 * Copyright 2000-2004 The Apache Software Foundation.
 * 
 * Licensed 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 com.bkstore.controller.action;

import java.math.BigDecimal;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.validator.DynaValidatorForm;

import com.bkstore.model.service.dto.BookDTO;
import com.bkstore.model.service.dto.UserAccountDTO;
import com.bkstore.model.service.imp.BookStoreMgrImp;

/**
 * Implementation of <strong>Action</strong> that validates a registration form.
 *
 */
public final class BookMgrAction extends Action {

    /**
     * Commons Logging instance.
     */
    private Log log = LogFactory.getFactory().getInstance(this.getClass().getName());

    /**
     * Process the specified HTTP request, and create the corresponding HTTP
     * response (or forward to another web component that will create it).
     * Return an <code>ActionForward</code> instance describing where and how
     * control should be forwarded, or <code>null</code> if the response has
     * already been completed.
     *
     * @param mapping The ActionMapping used to select this instance
     * @param form The optional ActionForm bean for this request (if any)
     * @param request The HTTP request we are processing
     * @param response The HTTP response we are creating
     *
     * @return Action to forward to
     * @exception Exception if an input/output error or servlet exception occurs
     */
    public ActionForward execute(
        ActionMapping mapping,
        ActionForm form,
        HttpServletRequest request,
        HttpServletResponse response)
        throws Exception {

    	
    	System.out.println(" registration action ..........");   	
    	
        DynaValidatorForm bookMgrForm = (DynaValidatorForm) form;
        
        BookDTO bookDTO = new BookDTO();
        
        java.text.SimpleDateFormat df = new java.text.SimpleDateFormat("yyyy-MM-dd");
        
        bookDTO.setBookName(bookMgrForm.getString("bookName"));
        bookDTO.setAuthor(bookMgrForm.getString("author"));
        bookDTO.setDiscount(new BigDecimal(bookMgrForm.getString("discount")));
        bookDTO.setIsbn(bookMgrForm.getString("isbn"));
        bookDTO.setUnitPrice(new BigDecimal(bookMgrForm.getString("unitPrice")));
        bookDTO.setPress(bookMgrForm.getString("press"));
        bookDTO.setBookContent(bookMgrForm.getString("bookContent"));
        
        if(bookMgrForm.getString("publishingDate") != null)
           bookDTO.setPublishingDate(new Long(df.parse(bookMgrForm.getString("publishingDate")).getTime()));
       
        BookStoreMgrImp bookStoreMgr = new BookStoreMgrImp();
        bookStoreMgr.createBook(bookDTO);
        
        ActionMessages messages = new ActionMessages();
        messages.add("bookMgr",new ActionMessage("addBookSucess"));              
        this.saveMessages(request,messages);
        
        return mapping.findForward("success");
    }


}