/*
* Copyright 1999-2004 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 org.apache.cocoon.mail;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import javax.mail.MessagingException;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import javax.mail.internet.MimePart;
/**
* Description of the Class
*
* @author Bernhard Huber
* @since 26. Oktober 2002
* @version CVS $Id: MimeMessageUtil.java,v 1.5 2004/03/05 13:02:00 bdelacretaz Exp $
*/
public class MimeMessageUtil {
/**
* Description of the Field
*/
public final static String SENDER_NOT_AVAILABLE = "-not available-";
/**
* Description of the Field
*/
public final static String NO_SUBJECT = "-none-";
/**
* Gets the sender attribute of the MimeMessageUtil class
*
*@param msg Description of the Parameter
*@return The sender value
*/
public static String getSender(MimeMessage msg) {
String sender = null;
try {
InternetAddress[] from = (InternetAddress[]) msg.getFrom();
if (from != null && from.length > 0) {
sender = from[0].getPersonal();
if (sender == null) {
sender = from[0].getAddress();
}
}
if (sender == null) {
sender = SENDER_NOT_AVAILABLE;
}
} catch (AddressException e) {
sender = SENDER_NOT_AVAILABLE;
} catch (MessagingException e) {
sender = SENDER_NOT_AVAILABLE;
}
if (sender == null || sender.trim().equals("")) {
sender = SENDER_NOT_AVAILABLE;
}
return sender;
}
/**
* Gets the senderEmail attribute of the MimeMessageUtil class
*
*@param msg Description of the Parameter
*@return The senderEmail value
*/
public static String getSenderEmail(MimeMessage msg) {
String senderEmail = null;
try {
InternetAddress[] from = (InternetAddress[]) msg.getFrom();
if (from != null && from.length > 0) {
senderEmail = from[0].getAddress();
}
} catch (AddressException e) {
senderEmail = SENDER_NOT_AVAILABLE;
} catch (MessagingException e) {
senderEmail = SENDER_NOT_AVAILABLE;
}
if (senderEmail == null || senderEmail.trim().equals("")) {
senderEmail = SENDER_NOT_AVAILABLE;
}
return senderEmail;
}
/**
* Gets the subject attribute of the MimeMessageUtil class
*
*@param msg Description of the Parameter
*@return The subject value
*/
public static String getSubject(MimeMessage msg) {
String subject = null;
try {
subject = msg.getSubject();
} catch (MessagingException e) {
subject = NO_SUBJECT;
}
if (subject == null || subject.trim().equals("")) {
subject = NO_SUBJECT;
}
return subject;
}
/**
* Gets the date attribute of the MimeMessageUtil class
*
*@param msg Description of the Parameter
*@return The date value
*/
public static Date getDate(MimeMessage msg) {
Date date = null;
try {
date = msg.getReceivedDate();
} catch (MessagingException messagingexception) {
/*
* empty
*/
}
if (date == null) {
try {
date = msg.getSentDate();
} catch (MessagingException messagingexception) {
/*
* empty
*/
}
}
return date;
}
/**
* Gets the iD attribute of the MimeMessageUtil class
*
*@param msg Description of the Parameter
*@return The iD value
*/
public static String getID(MimeMessage msg) {
String id = null;
try {
id = msg.getMessageID();
} catch (MessagingException messagingexception) {
/*
* empty
*/
}
return id;
}
/**
*
*@param part
*@param ctPref
*@param l
*/
private static void flattenMessageHelper
(MimePart part, ContentTypePreference ctPref, List l) {
try {
if (part.isMimeType("multipart/alternative")) {
MimeMultipart mp = (MimeMultipart) part.getContent();
MimePart bestPart = null;
int ctMax = 0;
for (int i = 0; i < mp.getCount(); i++) {
MimePart p = (MimePart) mp.getBodyPart(i);
int ctPrefN = ctPref.preference(part);
if (ctPrefN > ctMax) {
ctMax = ctPrefN;
bestPart = p;
}
}
if (bestPart != null) {
l.add(bestPart);
}
} else if (part.isMimeType("multipart/*")) {
MimeMultipart mp = (MimeMultipart) part.getContent();
for (int i = 0; i < mp.getCount(); i++) {
flattenMessageHelper((MimePart) mp.getBodyPart(i),
ctPref, l);
}
} else if (part.isMimeType("message/rfc822")) {
flattenMessageHelper((MimePart) part.getContent(), ctPref,
l);
} else if (ctPref.preference(part) > 0) {
l.add(part);
}
} catch (MessagingException e) {
/*
* empty
*/
} catch (IOException ioexception) {
/*
* empty
*/
}
}
/**
* Description of the Method
*
*@param message Description of the Parameter
*@param ctPref Description of the Parameter
*@return Description of the Return Value
*/
public static MimePart[] flattenMessage(MimeMessage message,
ContentTypePreference ctPref) {
List parts = new ArrayList();
flattenMessageHelper(message, ctPref, parts);
return (MimePart[]) parts.toArray(new MimePart[0]);
}
}