trinidad-example/trinidad-demo/src/main/java/org/apache/myfaces/trinidaddemo/email/NewMessageBackingBean.java - myfaces-trinidad - Git at Google

 /*
  * 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.myfaces.trinidaddemo.email;

 import java.io.InputStream;
 import java.io.IOException;

 import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
 import java.util.Properties;
 import java.util.StringTokenizer;
 import java.util.logging.Level;
 import java.util.logging.Logger;

 import javax.activation.DataHandler;
 import javax.activation.DataSource;

 import javax.mail.BodyPart;
 import javax.mail.Folder;
 import javax.mail.Message;
 import javax.mail.MessagingException;
 import javax.mail.Multipart;
 import javax.mail.Session;
 import javax.mail.Store;
 import javax.mail.Transport;

 import javax.mail.internet.AddressException;
 import javax.mail.internet.InternetAddress;
 import javax.mail.internet.MimeBodyPart;
 import javax.mail.internet.MimeMessage;
 import javax.mail.internet.MimeMultipart;


 import javax.faces.application.FacesMessage;
 import javax.faces.component.UIComponent;
 import javax.faces.context.FacesContext;
 import javax.faces.validator.ValidatorException;

 import org.apache.myfaces.trinidad.model.UploadedFile;

 /**
  * Backing bean for the "show message" page.  Provides some
  * getters for things that aren't quite JavaBeans on the Message API.
  */
 public class NewMessageBackingBean
 {
   public NewMessageBackingBean()
   {
   }

   public void setAccount(AccountData account)
   {
     _account = account;
   }

   public AccountData getAccount()
   {
     return _account;
   }

   public void validateEmailList(FacesContext context,
                                 UIComponent  component,
                                 Object       value) throws ValidatorException
   {
     if (value == null)
       return;

     try
     {
       _getEmailList(value.toString());
     }
     catch (AddressException ae)
     {
       throw new ValidatorException(
        MessageUtils.getErrorMessage(context,
                                     "EMAIL_LIST_ERROR",
                                     new Object[]{ae.getRef()}));

     }
   }

   public String getTo()
   {
     return _to;
   }

   public void setTo(String to)
   {
     _to = to;
   }


   public String getCc()
   {
     return _cc;
   }

   public void setCc(String cc)
   {
     _cc = cc;
   }

   public String getContent()
   {
     return _content;
   }

   public void setContent(String content)
   {
     _content = content;
   }

   public String getSubject()
   {
     return _subject;
   }

   public void setSubject(String subject)
   {
     _subject = subject;
   }

   public UploadedFile getAttachment1()
   {
     return _attachment1;
   }

   public void setAttachment1(UploadedFile attachment1)
   {
     _attachment1 = attachment1;
   }

   public UploadedFile getAttachment2()
   {
     return _attachment2;
   }

   public void setAttachment2(UploadedFile attachment2)
   {
     _attachment2 = attachment2;
   }


   public UploadedFile getAttachment3()
   {
     return _attachment3;
   }

   public void setAttachment3(UploadedFile attachment3)
   {
     _attachment3 = attachment3;
   }

   public String send()
   {
     Session session = _getSession();
     Message msg = _setupMessage(new MimeMessage(session));
     if (msg == null)
     {
       _LOG.info("Could not create Message object for " + getSubject());
       return null;
     }

     try
     {
       Transport.send(msg);
     }
     catch (MessagingException me)
     {
       _showSendException(me);
       return null;
     }

     _LOG.info("Sent succesfully");

     try
     {
       Store store = _account.getStore();
       // =-=AEW Hardcoding "Sent" as the folder to save "Sent" messages
       Folder folder = store.getFolder("Sent");
       if (folder == null)
       {
         // Can "folder" be null here?
         throw new IllegalStateException("\"Sent\" folder was null");
       }
       else
       {
         if (!folder.exists())
           folder.create(Folder.HOLDS_MESSAGES);

         folder.appendMessages(new Message[]{msg});
       }
     }
     // Need to do something better;  like a "Warning: message sent, but not
     // saved" message for the user?
     catch (Exception e)
     {
       _LOG.log(Level.WARNING, "Couldn't save message in \"Sent\" folder", e);
     }

     return "sentMessage";
   }


   private Session _getSession()
   {
     Properties props = new Properties(System.getProperties());
     if (_account.getSmtpServer() != null)
       props.put("mail.smtp.host", _account.getSmtpServer());
     return Session.getInstance(props, null);
   }

   public String saveAsDraft()
   {
     _LOG.info("Beginning send of message " + getSubject());

     Session session = _getSession();
     Message msg = _setupMessage(new MimeMessage(session));
     if (msg == null)
     {
       _LOG.info("Could not create Message object for " + getSubject());
       return null;
     }

     try
     {
       Store store = _account.getStore();
       // =-=AEW Hardcoding "Drafts" as the folder to save drafts
       Folder folder = store.getFolder("Drafts");
       if (folder == null)
       {
         // Can "folder" be null here?
         throw new IllegalStateException("\"Drafts\" folder was null");
       }
       else
       {
         if (!folder.exists())
           folder.create(Folder.HOLDS_MESSAGES);

         folder.appendMessages(new Message[]{msg});
       }
     }
     // Need to do something better...
     catch (Exception e)
     {
       _showSendException(e);
       return null;
     }

     // And go back to the current message folder
     // =-=aew Should be a "popView" thing
     return "messages";
   }

   /**
    * Set up a new message.
    */
   private Message _setupMessage(Message msg)
   {
     try
     {
       String username = _account.getUsername();
       String from = username + "@" + _account.getDomain();
       List<InternetAddress> to = _getEmailList(getTo());

       List<InternetAddress> cc = null;
       String ccString = getCc();
       if(ccString != null)
       {
         cc = _getEmailList(ccString);
       }

       msg.setFrom(new InternetAddress(from));
       if ((to != null) && !to.isEmpty())
         msg.setRecipients(Message.RecipientType.TO,
                           to.toArray(new InternetAddress[0]));

       if ((cc != null) && !cc.isEmpty())
         msg.setRecipients(Message.RecipientType.CC,
                           cc.toArray(new InternetAddress[0]));
       msg.setSubject(_subject == null ? "" : _subject);
       if ((_attachment1 == null) &&
           (_attachment2 == null) &&
           (_attachment3 == null))
       {
         msg.setText(_content == null ? "" : _content);
       }
       // Multipart.
       else
       {
         // Create the message part
         BodyPart messageBodyPart = new MimeBodyPart();

         // Fill the message
         messageBodyPart.setText(_content == null ? "" : _content);

         Multipart multipart = new MimeMultipart();
         multipart.addBodyPart(messageBodyPart);

         if (_attachment1 != null)
           _addAttachment(multipart, _attachment1);
         if (_attachment2 != null)
           _addAttachment(multipart, _attachment2);
         if (_attachment3 != null)
           _addAttachment(multipart, _attachment3);

         // Put all the parts in the message
         msg.setContent(multipart);
       }

       String mailer = "OracleAdfEmailDemo";
       msg.setHeader("X-Mailer", mailer);
       msg.setSentDate(new Date());

       return msg;
     }
     catch(AddressException ae)
     {
        _showSendException(ae);
     }
     catch(MessagingException me)
     {
       _showSendException(me);
     }
     catch(Exception e)
     {
       _showSendException(e);
     }

     return null;
   }

   private void _showSendException(Exception e)
   {
     FacesContext context = FacesContext.getCurrentInstance();
     context.addMessage(null,
                        new FacesMessage(FacesMessage.SEVERITY_ERROR,
                                         e.getMessage(), null));
     _LOG.log(Level.WARNING, "Couldn't send message", e);
   }

   private void _addAttachment(Multipart multipart, UploadedFile file)
     throws MessagingException
   {
     BodyPart messageBodyPart = new MimeBodyPart();
     DataSource source = new UploadedFileDataSource(file);
     messageBodyPart.setDataHandler(new DataHandler(source));
     messageBodyPart.setFileName(file.getFilename());
     multipart.addBodyPart(messageBodyPart);
   }

   static private List<InternetAddress> _getEmailList(String values)
     throws AddressException
   {
     ArrayList<InternetAddress> list = new ArrayList<InternetAddress>();
     StringTokenizer tokens = new StringTokenizer(values.toString(), ",");
     while (tokens.hasMoreTokens())
     {
       String token = tokens.nextToken().trim();

       InternetAddress address = new InternetAddress(token);

       // JavaMail 1.3 API:
       //InternetAddress address = new InternetAddress(token, false);
       //address.validate();

       list.add(address);
     }

     return list;
   }

   private AccountData _account;

   private String _subject;
   private String _to;
   private String _cc;
   private String _content;
   private UploadedFile _attachment1;
   private UploadedFile _attachment2;
   private UploadedFile _attachment3;

   private static final class UploadedFileDataSource implements DataSource
   {
     public UploadedFileDataSource(UploadedFile file)
     {
       _file = file;
       _LOG.info("Source for uploaded file " + file.getFilename() + " with " + file.getLength() + " bytes");
     }

     public String getContentType()
     {
       return _file.getContentType();
     }

     public InputStream getInputStream() throws IOException
     {
       return _file.getInputStream();
     }

     public String getName()
     {
       return _file.getFilename();
     }

     public java.io.OutputStream getOutputStream()
     {
       return null;
     }

     private final UploadedFile _file;
   }


   static private final Logger _LOG =
     Logger.getLogger(ShowMessageBackingBean.class.getName());

 }
	/*
	* 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.myfaces.trinidaddemo.email;

	import java.io.InputStream;
	import java.io.IOException;

	import java.util.ArrayList;
	import java.util.Date;
	import java.util.List;
	import java.util.Properties;
	import java.util.StringTokenizer;
	import java.util.logging.Level;
	import java.util.logging.Logger;

	import javax.activation.DataHandler;
	import javax.activation.DataSource;

	import javax.mail.BodyPart;
	import javax.mail.Folder;
	import javax.mail.Message;
	import javax.mail.MessagingException;
	import javax.mail.Multipart;
	import javax.mail.Session;
	import javax.mail.Store;
	import javax.mail.Transport;

	import javax.mail.internet.AddressException;
	import javax.mail.internet.InternetAddress;
	import javax.mail.internet.MimeBodyPart;
	import javax.mail.internet.MimeMessage;
	import javax.mail.internet.MimeMultipart;


	import javax.faces.application.FacesMessage;
	import javax.faces.component.UIComponent;
	import javax.faces.context.FacesContext;
	import javax.faces.validator.ValidatorException;

	import org.apache.myfaces.trinidad.model.UploadedFile;

	/**
	* Backing bean for the "show message" page. Provides some
	* getters for things that aren't quite JavaBeans on the Message API.
	*/
	public class NewMessageBackingBean
	{
	public NewMessageBackingBean()
	{
	}

	public void setAccount(AccountData account)
	{
	_account = account;
	}

	public AccountData getAccount()
	{
	return _account;
	}

	public void validateEmailList(FacesContext context,
	UIComponent component,
	Object value) throws ValidatorException
	{
	if (value == null)
	return;

	try
	{
	_getEmailList(value.toString());
	}
	catch (AddressException ae)
	{
	throw new ValidatorException(
	MessageUtils.getErrorMessage(context,
	"EMAIL_LIST_ERROR",
	new Object[]{ae.getRef()}));

	}
	}

	public String getTo()
	{
	return _to;
	}

	public void setTo(String to)
	{
	_to = to;
	}


	public String getCc()
	{
	return _cc;
	}

	public void setCc(String cc)
	{
	_cc = cc;
	}

	public String getContent()
	{
	return _content;
	}

	public void setContent(String content)
	{
	_content = content;
	}

	public String getSubject()
	{
	return _subject;
	}

	public void setSubject(String subject)
	{
	_subject = subject;
	}

	public UploadedFile getAttachment1()
	{
	return _attachment1;
	}

	public void setAttachment1(UploadedFile attachment1)
	{
	_attachment1 = attachment1;
	}

	public UploadedFile getAttachment2()
	{
	return _attachment2;
	}

	public void setAttachment2(UploadedFile attachment2)
	{
	_attachment2 = attachment2;
	}


	public UploadedFile getAttachment3()
	{
	return _attachment3;
	}

	public void setAttachment3(UploadedFile attachment3)
	{
	_attachment3 = attachment3;
	}

	public String send()
	{
	Session session = _getSession();
	Message msg = _setupMessage(new MimeMessage(session));
	if (msg == null)
	{
	_LOG.info("Could not create Message object for " + getSubject());
	return null;
	}

	try
	{
	Transport.send(msg);
	}
	catch (MessagingException me)
	{
	_showSendException(me);
	return null;
	}

	_LOG.info("Sent succesfully");

	try
	{
	Store store = _account.getStore();
	// =-=AEW Hardcoding "Sent" as the folder to save "Sent" messages
	Folder folder = store.getFolder("Sent");
	if (folder == null)
	{
	// Can "folder" be null here?
	throw new IllegalStateException("\"Sent\" folder was null");
	}
	else
	{
	if (!folder.exists())
	folder.create(Folder.HOLDS_MESSAGES);

	folder.appendMessages(new Message[]{msg});
	}
	}
	// Need to do something better; like a "Warning: message sent, but not
	// saved" message for the user?
	catch (Exception e)
	{
	_LOG.log(Level.WARNING, "Couldn't save message in \"Sent\" folder", e);
	}

	return "sentMessage";
	}


	private Session _getSession()
	{
	Properties props = new Properties(System.getProperties());
	if (_account.getSmtpServer() != null)
	props.put("mail.smtp.host", _account.getSmtpServer());
	return Session.getInstance(props, null);
	}

	public String saveAsDraft()
	{
	_LOG.info("Beginning send of message " + getSubject());

	Session session = _getSession();
	Message msg = _setupMessage(new MimeMessage(session));
	if (msg == null)
	{
	_LOG.info("Could not create Message object for " + getSubject());
	return null;
	}

	try
	{
	Store store = _account.getStore();
	// =-=AEW Hardcoding "Drafts" as the folder to save drafts
	Folder folder = store.getFolder("Drafts");
	if (folder == null)
	{
	// Can "folder" be null here?
	throw new IllegalStateException("\"Drafts\" folder was null");
	}
	else
	{
	if (!folder.exists())
	folder.create(Folder.HOLDS_MESSAGES);

	folder.appendMessages(new Message[]{msg});
	}
	}
	// Need to do something better...
	catch (Exception e)
	{
	_showSendException(e);
	return null;
	}

	// And go back to the current message folder
	// =-=aew Should be a "popView" thing
	return "messages";
	}

	/**
	* Set up a new message.
	*/
	private Message _setupMessage(Message msg)
	{
	try
	{
	String username = _account.getUsername();
	String from = username + "@" + _account.getDomain();
	List<InternetAddress> to = _getEmailList(getTo());

	List<InternetAddress> cc = null;
	String ccString = getCc();
	if(ccString != null)
	{
	cc = _getEmailList(ccString);
	}

	msg.setFrom(new InternetAddress(from));
	if ((to != null) && !to.isEmpty())
	msg.setRecipients(Message.RecipientType.TO,
	to.toArray(new InternetAddress[0]));

	if ((cc != null) && !cc.isEmpty())
	msg.setRecipients(Message.RecipientType.CC,
	cc.toArray(new InternetAddress[0]));
	msg.setSubject(_subject == null ? "" : _subject);
	if ((_attachment1 == null) &&
	(_attachment2 == null) &&
	(_attachment3 == null))
	{
	msg.setText(_content == null ? "" : _content);
	}
	// Multipart.
	else
	{
	// Create the message part
	BodyPart messageBodyPart = new MimeBodyPart();

	// Fill the message
	messageBodyPart.setText(_content == null ? "" : _content);

	Multipart multipart = new MimeMultipart();
	multipart.addBodyPart(messageBodyPart);

	if (_attachment1 != null)
	_addAttachment(multipart, _attachment1);
	if (_attachment2 != null)
	_addAttachment(multipart, _attachment2);
	if (_attachment3 != null)
	_addAttachment(multipart, _attachment3);

	// Put all the parts in the message
	msg.setContent(multipart);
	}

	String mailer = "OracleAdfEmailDemo";
	msg.setHeader("X-Mailer", mailer);
	msg.setSentDate(new Date());

	return msg;
	}
	catch(AddressException ae)
	{
	_showSendException(ae);
	}
	catch(MessagingException me)
	{
	_showSendException(me);
	}
	catch(Exception e)
	{
	_showSendException(e);
	}

	return null;
	}

	private void _showSendException(Exception e)
	{
	FacesContext context = FacesContext.getCurrentInstance();
	context.addMessage(null,
	new FacesMessage(FacesMessage.SEVERITY_ERROR,
	e.getMessage(), null));
	_LOG.log(Level.WARNING, "Couldn't send message", e);
	}

	private void _addAttachment(Multipart multipart, UploadedFile file)
	throws MessagingException
	{
	BodyPart messageBodyPart = new MimeBodyPart();
	DataSource source = new UploadedFileDataSource(file);
	messageBodyPart.setDataHandler(new DataHandler(source));
	messageBodyPart.setFileName(file.getFilename());
	multipart.addBodyPart(messageBodyPart);
	}

	static private List<InternetAddress> _getEmailList(String values)
	throws AddressException
	{
	ArrayList<InternetAddress> list = new ArrayList<InternetAddress>();
	StringTokenizer tokens = new StringTokenizer(values.toString(), ",");
	while (tokens.hasMoreTokens())
	{
	String token = tokens.nextToken().trim();

	InternetAddress address = new InternetAddress(token);

	// JavaMail 1.3 API:
	//InternetAddress address = new InternetAddress(token, false);
	//address.validate();

	list.add(address);
	}

	return list;
	}

	private AccountData _account;

	private String _subject;
	private String _to;
	private String _cc;
	private String _content;
	private UploadedFile _attachment1;
	private UploadedFile _attachment2;
	private UploadedFile _attachment3;

	private static final class UploadedFileDataSource implements DataSource
	{
	public UploadedFileDataSource(UploadedFile file)
	{
	_file = file;
	_LOG.info("Source for uploaded file " + file.getFilename() + " with " + file.getLength() + " bytes");
	}

	public String getContentType()
	{
	return _file.getContentType();
	}

	public InputStream getInputStream() throws IOException
	{
	return _file.getInputStream();
	}

	public String getName()
	{
	return _file.getFilename();
	}

	public java.io.OutputStream getOutputStream()
	{
	return null;
	}

	private final UploadedFile _file;
	}


	static private final Logger _LOG =
	Logger.getLogger(ShowMessageBackingBean.class.getName());

	}