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package com.sun.mail.smtp;
import java.io.*;
import javax.mail.*;
import javax.mail.internet.*;
/**
* This class is a specialization of the MimeMessage class that allows
* you to specify various SMTP options and parameters that will be
* used when this message is sent over SMTP. Simply use this class
* instead of MimeMessage and set SMTP options using the methods on
* this class.
*
* See the com.sun.mail.smtp package
* documentation for further information on the SMTP protocol provider.
*
* @author Bill Shannon
* @see javax.mail.internet.MimeMessage
*/
public class SMTPMessage extends MimeMessage {
/** Never notify of delivery status */
public static final int NOTIFY_NEVER = -1;
/** Notify of delivery success */
public static final int NOTIFY_SUCCESS = 1;
/** Notify of delivery failure */
public static final int NOTIFY_FAILURE = 2;
/** Notify of delivery delay */
public static final int NOTIFY_DELAY = 4;
/** Return full message with delivery status notification */
public static final int RETURN_FULL = 1;
/** Return only message headers with delivery status notification */
public static final int RETURN_HDRS = 2;
private static final String[] returnOptionString = { null, "FULL", "HDRS" };
private String envelopeFrom; // the string to use in the MAIL FROM: command
private int notifyOptions = 0;
private int returnOption = 0;
private boolean sendPartial = false;
private boolean allow8bitMIME = false;
private String submitter = null; // RFC 2554 AUTH=submitter
private String extension = null; // extensions to use with MAIL command
/**
* Default constructor. An empty message object is created.
* The headers field is set to an empty InternetHeaders
* object. The flags field is set to an empty Flags
* object. The modified flag is set to true.
*
* @param session the Session
*/
public SMTPMessage(Session session) {
super(session);
}
/**
* Constructs an SMTPMessage by reading and parsing the data from the
* specified MIME InputStream. The InputStream will be left positioned
* at the end of the data for the message. Note that the input stream
* parse is done within this constructor itself.
*
* @param session Session object for this message
* @param is the message input stream
* @exception MessagingException for failures
*/
public SMTPMessage(Session session, InputStream is)
throws MessagingException {
super(session, is);
}
/**
* Constructs a new SMTPMessage with content initialized from the
* source MimeMessage. The new message is independent
* of the original.
*
* Note: The current implementation is rather inefficient, copying
* the data more times than strictly necessary.
*
* @param source the message to copy content from
* @exception MessagingException for failures
*/
public SMTPMessage(MimeMessage source) throws MessagingException {
super(source);
}
/**
* Set the From address to appear in the SMTP envelope. Note that this
* is different than the From address that appears in the message itself.
* The envelope From address is typically used when reporting errors.
* See RFC 821 for
* details.
*
* If set, overrides the mail.smtp.from property.
*
* @param from the envelope From address
*/
public void setEnvelopeFrom(String from) {
envelopeFrom = from;
}
/**
* Return the envelope From address.
*
* @return the envelope From address, or null if not set
*/
public String getEnvelopeFrom() {
return envelopeFrom;
}
/**
* Set notification options to be used if the server supports
* Delivery Status Notification
* (RFC 1891).
* Either NOTIFY_NEVER or some combination of
* NOTIFY_SUCCESS, NOTIFY_FAILURE, and
* NOTIFY_DELAY.
*
* If set, overrides the mail.smtp.dsn.notify property.
*
* @param options notification options
*/
public void setNotifyOptions(int options) {
if (options < -1 || options >= 8)
throw new IllegalArgumentException("Bad return option");
notifyOptions = options;
}
/**
* Get notification options. Returns zero if no options set.
*
* @return notification options
*/
public int getNotifyOptions() {
return notifyOptions;
}
/**
* Return notification options as an RFC 1891 string.
* Returns null if no options set.
*/
String getDSNNotify() {
if (notifyOptions == 0)
return null;
if (notifyOptions == NOTIFY_NEVER)
return "NEVER";
StringBuilder sb = new StringBuilder();
if ((notifyOptions & NOTIFY_SUCCESS) != 0)
sb.append("SUCCESS");
if ((notifyOptions & NOTIFY_FAILURE) != 0) {
if (sb.length() != 0)
sb.append(',');
sb.append("FAILURE");
}
if ((notifyOptions & NOTIFY_DELAY) != 0) {
if (sb.length() != 0)
sb.append(',');
sb.append("DELAY");
}
return sb.toString();
}
/**
* Set return option to be used if server supports
* Delivery Status Notification
* (RFC 1891).
* Either RETURN_FULL or RETURN_HDRS.
*
* If set, overrides the mail.smtp.dsn.ret property.
*
* @param option return option
*/
public void setReturnOption(int option) {
if (option < 0 || option > RETURN_HDRS)
throw new IllegalArgumentException("Bad return option");
returnOption = option;
}
/**
* Return return option. Returns zero if no option set.
*
* @return return option
*/
public int getReturnOption() {
return returnOption;
}
/**
* Return return option as an RFC 1891 string.
* Returns null if no option set.
*/
String getDSNRet() {
return returnOptionString[returnOption];
}
/**
* If set to true, and the server supports the 8BITMIME extension, text
* parts of this message that use the "quoted-printable" or "base64"
* encodings are converted to use "8bit" encoding if they follow the
* RFC 2045 rules for 8bit text.
*
* If true, overrides the mail.smtp.allow8bitmime property.
*
* @param allow allow 8-bit flag
*/
public void setAllow8bitMIME(boolean allow) {
allow8bitMIME = allow;
}
/**
* Is use of the 8BITMIME extension is allowed?
*
* @return allow 8-bit flag
*/
public boolean getAllow8bitMIME() {
return allow8bitMIME;
}
/**
* If set to true, and this message has some valid and some invalid
* addresses, send the message anyway, reporting the partial failure with
* a SendFailedException. If set to false (the default), the message is
* not sent to any of the recipients if there is an invalid recipient
* address.
*
* If true, overrides the mail.smtp.sendpartial property.
*
* @param partial send partial flag
*/
public void setSendPartial(boolean partial) {
sendPartial = partial;
}
/**
* Send message if some addresses are invalid?
*
* @return send partial flag
*/
public boolean getSendPartial() {
return sendPartial;
}
/**
* Gets the submitter to be used for the RFC 2554 AUTH= value
* in the MAIL FROM command.
*
* @return the name of the submitter.
*/
public String getSubmitter() {
return submitter;
}
/**
* Sets the submitter to be used for the RFC 2554 AUTH= value
* in the MAIL FROM command. Normally only used by a server
* that's relaying a message. Clients will typically not
* set a submitter. See
* RFC 2554
* for details.
*
* @param submitter the name of the submitter
*/
public void setSubmitter(String submitter) {
this.submitter = submitter;
}
/**
* Gets the extension string to use with the MAIL command.
*
* @return the extension string
*
* @since JavaMail 1.3.2
*/
public String getMailExtension() {
return extension;
}
/**
* Set the extension string to use with the MAIL command.
* The extension string can be used to specify standard SMTP
* service extensions as well as vendor-specific extensions.
* Typically the application should use the
* {@link com.sun.mail.smtp.SMTPTransport SMTPTransport}
* method {@link com.sun.mail.smtp.SMTPTransport#supportsExtension
* supportsExtension}
* to verify that the server supports the desired service extension.
* See RFC 1869
* and other RFCs that define specific extensions.
*
* For example:
*
*
* if (smtpTransport.supportsExtension("DELIVERBY"))
* smtpMsg.setMailExtension("BY=60;R");
*
*
* @param extension the extension string
* @since JavaMail 1.3.2
*/
public void setMailExtension(String extension) {
this.extension = extension;
}
}