/* Copyright 2004 Sun Microsystems, Inc. All rights reserved.  Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:  - Redistributions of source code must retain the above copyright   notice, this list of conditions and the following disclaimer.  - Redistribution in binary form must reproduce the above copyright   notice, this list of conditions and the following disclaimer in   the documentation and/or other materials provided with the   distribution.  Neither the name of Sun Microsystems, Inc. or the names of contributors may be used to endorse or promote products derived from this software without specific prior written permission.  This software is provided "AS IS," without a warranty of any kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.  You acknowledge that Software is not designed, licensed or intended for use in the design, construction, operation or maintenance of any nuclear facility. $Id: CrmBean.java,v 1.8 2003/12/01 23:39:47 smitha Exp $ */package com.sun.j2ee.blueprints.opc.crm.ejb;import java.util.*;import javax.ejb.*;import javax.naming.*;import javax.jms.*;import java.io.*;import org.w3c.dom.*;import org.xml.sax.*;import javax.xml.parsers.*;import javax.xml.transform.*;import javax.xml.transform.dom.*;import javax.xml.transform.stream.StreamResult;import com.sun.j2ee.blueprints.mailer.*;/** * MailCompletedOrderMDB receives a JMS message containing an Order * xml message for orders that are COMPLETELY shipped. It builds a mail * message that it then sends to the mailer service so that * the customer gets email */public class CrmBean implements MessageDrivenBean, MessageListener {      private Context context;  private MessageDrivenContext mdc;  public CrmBean() {  }  public void ejbCreate() {  }  /**   * Receive a JMS Message containing the Order that is completed,   * generate Mail xml messages for the customer   * The Mail xml mesages contain html presentation   */  public void onMessage(Message recvMsg) {    TextMessage recdTM = null;    String recdText = null;    String result = null;    try {      recdTM = (TextMessage)recvMsg;      recdText = recdTM.getText();      result = doWork(recdText);    } catch  (JMSException je) {      throw new EJBException(je);    }  }  public void setMessageDrivenContext(MessageDrivenContext mdc) {    this.mdc = mdc;  }  public void ejbRemove() {  }    /**      * Process the message and do the right thing.      */    private String doWork(String message) throws JMSException {        Document doc = getDocument(message);        String recipient = getTagValue(doc.getDocumentElement(), "Address");        String xmlMessage = getTagValue(doc.getDocumentElement(), "Content");        String title = getTagValue(doc.getDocumentElement(), "Subject");        if (recipient == null) return "failed";        try {            MailHelper mh = new MailHelper();            mh.createAndSendMail(recipient, title, xmlMessage,  Locale.getDefault());          } catch (MailerException mx) {            System.err.println("CrmBean: caught=" + mx);            mx.printStackTrace();          } catch (Exception ex) {            System.err.println("CrmBean: caught=" + ex);            ex.printStackTrace();        }        return "success";      }          private Document getDocument(String xmlText) {        Document doc = null;        try {            DocumentBuilderFactory docBuilderFactory = null;            DocumentBuilder db = null;            try {                docBuilderFactory = DocumentBuilderFactory.newInstance();                if (docBuilderFactory != null)                     db = docBuilderFactory.newDocumentBuilder();            } catch ( javax.xml.parsers.ParserConfigurationException pce) {                System.err.println(pce);            }          InputSource is =  new InputSource(new StringReader(xmlText));            doc = db.parse(is);        } catch (Exception e) {            System.err.println("CrmBean::getDocument error loading XML Document " + e);        }        return doc;    }        private String getTagValue(Element root, String tagName) {        String returnString = "";        NodeList list = root.getElementsByTagName(tagName);        for (int loop = 0; loop < list.getLength(); loop++) {            Node node = list.item(loop);            if (node != null) {                Node child = node.getFirstChild();                if ((child != null) && child.getNodeValue() != null) return child.getNodeValue();            }        }        return returnString;    }}