java.lang.Object
- ch.qos.logback.core.spi.ContextAwareBase
- - ch.qos.logback.core.AppenderBase<E>
  - - ch.qos.logback.core.net.SMTPAppenderBase<E>

All Implemented Interfaces:

Appender<E>, ContextAware, FilterAttachable<E>, LifeCycle

Direct Known Subclasses:

SMTPAppender
```
public abstract class SMTPAppenderBase<E>
extends AppenderBase<E>
```
An abstract class that provides support for sending events to an email address.
See http://logback.qos.ch/manual/appenders.html#SMTPAppender for further documentation.

Author:

Ceki Gülcü, Sébastien Pennec

Field Summary

Fields
Modifier and Type	Field	Description
`protected Future<?>`	`asynchronousSendingFuture`
`protected CyclicBufferTracker<E>`	`cbTracker`
`protected Discriminator<E>`	`discriminator`
`protected EventEvaluator<E>`	`eventEvaluator`
`protected Layout<E>`	`layout`
`static String`	`MAIL_SMTP_AUTH_PK`
`static String`	`MAIL_SMTP_HOST_PK`
`static String`	`MAIL_SMTP_LOCALHOST_PK`
`static String`	`MAIL_SMTP_PORT_PK`
`static String`	`MAIL_SMTP_SSL_ENABLE_PK`
`static String`	`MAIL_SMTP_STARTTLS_ENABLE_PK`
`static String`	`MAIL_TRANSPORT_PROTOCOL_PK`
`protected jakarta.mail.Session`	`session`
`protected Layout<E>`	`subjectLayout`

Fields inherited from class ch.qos.logback.core.AppenderBase
name, started

Fields inherited from class ch.qos.logback.core.spi.ContextAwareBase
context

Constructor Summary

Constructors
Constructor Description

SMTPAppenderBase()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addTo(String to)`
`protected void`	`append(E eventObject)`	Perform SMTPAppender specific appending actions, delegating some of them to a subclass and checking if the event triggers an e-mail to be sent.
`boolean`	`checkEntryConditions()`	This method determines if there is a sense in attempting to append.
`protected abstract boolean`	`eventMarksEndOfLife(E eventObject)`
`protected abstract void`	`fillBuffer(CyclicBuffer<E> cb, StringBuffer sbuf)`
`String`	`getCharsetEncoding()`
`CyclicBufferTracker<E>`	`getCyclicBufferTracker()`
`Discriminator<E>`	`getDiscriminator()`
`String`	`getFrom()`	Returns value of the From option.
`String`	`getJndiLocation()`
`Layout<E>`	`getLayout()`
`String`	`getLocalhost()`
`String`	`getPassword()`
`String`	`getSmtpHost()`	Returns value of the SMTPHost option.
`String`	`getSMTPHost()`	Alias for getSmtpHost().
`int`	`getSmtpPort()`	See `setSmtpPort(int)`
`int`	`getSMTPPort()`	Alias for `getSmtpPort()`
`String`	`getSubject()`	Returns value of the Subject option.
`List<String>`	`getToAsListOfString()`
`List<PatternLayoutBase<E>>`	`getToList()`	Returns value of the toList option.
`String`	`getUsername()`
`boolean`	`isAsynchronousSending()`
`boolean`	`isSessionViaJNDI()`
`boolean`	`isSSL()`
`boolean`	`isSTARTTLS()`
`protected abstract PatternLayoutBase<E>`	`makeNewToPatternLayout(String toPattern)`
`protected abstract Layout<E>`	`makeSubjectLayout(String subjectStr)`	return a layout for the subject string as appropriate for the module.
`protected void`	`sendBuffer(CyclicBuffer<E> cb, E lastEventObject)`	Send the contents of the cyclic buffer as an e-mail message.
`void`	`setAsynchronousSending(boolean asynchronousSending)`	By default, SMTAppender transmits emails asynchronously.
`void`	`setCharsetEncoding(String charsetEncoding)`	Set the character set encoding of the outgoing email messages.
`void`	`setCyclicBufferTracker(CyclicBufferTracker<E> cbTracker)`
`void`	`setDiscriminator(Discriminator<E> discriminator)`
`void`	`setEvaluator(EventEvaluator<E> eventEvaluator)`	The EventEvaluator option takes a string value representing the name of the class implementing the `EventEvaluator` interface.
`void`	`setFrom(String from)`	The From option takes a string value which should be an e-mail address of the sender.
`void`	`setJndiLocation(String jndiLocation)`	Set the location where a `Session` resource is located in JNDI.
`void`	`setLayout(Layout<E> layout)`
`void`	`setLocalhost(String localhost)`	Set the "mail.smtp.localhost" property to the value passed as parameter to this method.
`void`	`setPassword(String password)`
`void`	`setSessionViaJNDI(boolean sessionViaJNDI)`	If set to true, a `Session` resource will be retrieved from JNDI.
`void`	`setSmtpHost(String smtpHost)`	The smtpHost option takes a string value which should be the host name of the SMTP server that will send the e-mail message.
`void`	`setSMTPHost(String smtpHost)`	Alias for smtpHost
`void`	`setSmtpPort(int port)`	The port where the SMTP server is running.
`void`	`setSMTPPort(int port)`	Alias for `setSmtpPort(int)`.
`void`	`setSSL(boolean ssl)`
`void`	`setSTARTTLS(boolean startTLS)`
`void`	`setSubject(String subject)`	The Subject option takes a string value which should be the subject of the e-mail message.
`void`	`setUsername(String username)`
`void`	`start()`	Start the appender
`void`	`stop()`
`protected abstract void`	`subAppend(CyclicBuffer<E> cb, E eventObject)`
`protected void`	`updateMimeMsg(jakarta.mail.internet.MimeMessage mimeMsg, CyclicBuffer<E> cb, E lastEventObject)`	Allows to extend classes to update mime message (e.g.: Add headers)

Methods inherited from class ch.qos.logback.core.AppenderBase
addFilter, clearAllFilters, doAppend, getCopyOfAttachedFiltersList, getFilterChainDecision, getName, isStarted, setName, toString

Methods inherited from class ch.qos.logback.core.spi.ContextAwareBase
addError, addError, addInfo, addInfo, addStatus, addWarn, addWarn, getContext, getDeclaredOrigin, getStatusManager, setContext

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface ch.qos.logback.core.spi.ContextAware
addError, addError, addInfo, addInfo, addStatus, addWarn, addWarn, getContext, setContext

- Field Detail
  - MAIL_SMTP_HOST_PK
```
public static final String MAIL_SMTP_HOST_PK
```
    See Also:
    
    Constant Field Values
  - MAIL_SMTP_PORT_PK
```
public static final String MAIL_SMTP_PORT_PK
```
    See Also:
    
    Constant Field Values
  - MAIL_SMTP_LOCALHOST_PK
```
public static final String MAIL_SMTP_LOCALHOST_PK
```
    See Also:
    
    Constant Field Values
  - MAIL_SMTP_AUTH_PK
```
public static final String MAIL_SMTP_AUTH_PK
```
    See Also:
    
    Constant Field Values
  - MAIL_SMTP_STARTTLS_ENABLE_PK
```
public static final String MAIL_SMTP_STARTTLS_ENABLE_PK
```
    See Also:
    
    Constant Field Values
  - MAIL_TRANSPORT_PROTOCOL_PK
```
public static final String MAIL_TRANSPORT_PROTOCOL_PK
```
    See Also:
    
    Constant Field Values
  - MAIL_SMTP_SSL_ENABLE_PK
```
public static final String MAIL_SMTP_SSL_ENABLE_PK
```
    See Also:
    
    Constant Field Values
  - subjectLayout
```
protected Layout<E> subjectLayout
```
  - layout
```
protected Layout<E> layout
```
  - asynchronousSendingFuture
```
protected Future<?> asynchronousSendingFuture
```
  - session
```
protected jakarta.mail.Session session
```
  - eventEvaluator
```
protected EventEvaluator<E> eventEvaluator
```
  - discriminator
```
protected Discriminator<E> discriminator
```
  - cbTracker
```
protected CyclicBufferTracker<E> cbTracker
```
- Constructor Detail
  - SMTPAppenderBase
```
public SMTPAppenderBase()
```
- Method Detail
  - makeSubjectLayout
```
protected abstract Layout<E> makeSubjectLayout(String subjectStr)
```
    return a layout for the subject string as appropriate for the module. If the subjectStr parameter is null, then a default value for subjectStr should be used.
    
    Parameters:
    
    subjectStr -
    
    Returns:
    
    a layout as appropriate for the module
  - start
```
public void start()
```
    Start the appender
    
    Specified by:
    
    start in interface LifeCycle
    
    Overrides:
    
    start in class AppenderBase<E>
  - append
```
protected void append(E eventObject)
```
    Perform SMTPAppender specific appending actions, delegating some of them to a subclass and checking if the event triggers an e-mail to be sent.
    
    Specified by:
    
    append in class AppenderBase<E>
  - eventMarksEndOfLife
```
protected abstract boolean eventMarksEndOfLife(E eventObject)
```
  - subAppend
```
protected abstract void subAppend(CyclicBuffer<E> cb,
                                  E eventObject)
```
  - checkEntryConditions
```
public boolean checkEntryConditions()
```
    This method determines if there is a sense in attempting to append.
    It checks whether there is a set output target and also if there is a set layout. If these checks fail, then the boolean value false is returned.
  - stop
```
public void stop()
```
    Specified by:
    
    stop in interface LifeCycle
    
    Overrides:
    
    stop in class AppenderBase<E>
  - getToList
```
public List<PatternLayoutBase<E>> getToList()
```
    Returns value of the toList option.
  - updateMimeMsg
```
protected void updateMimeMsg(jakarta.mail.internet.MimeMessage mimeMsg,
                             CyclicBuffer<E> cb,
                             E lastEventObject)
```
    Allows to extend classes to update mime message (e.g.: Add headers)
  - sendBuffer
```
protected void sendBuffer(CyclicBuffer<E> cb,
                          E lastEventObject)
```
    Send the contents of the cyclic buffer as an e-mail message.
  - fillBuffer
```
protected abstract void fillBuffer(CyclicBuffer<E> cb,
                                   StringBuffer sbuf)
```
  - getFrom
```
public String getFrom()
```
    Returns value of the From option.
  - getSubject
```
public String getSubject()
```
    Returns value of the Subject option.
  - setFrom
```
public void setFrom(String from)
```
    The From option takes a string value which should be an e-mail address of the sender.
  - setSubject
```
public void setSubject(String subject)
```
    The Subject option takes a string value which should be the subject of the e-mail message.
  - setSMTPHost
```
public void setSMTPHost(String smtpHost)
```
    Alias for smtpHost
    
    Parameters:
    
    smtpHost -
  - setSmtpHost
```
public void setSmtpHost(String smtpHost)
```
    The smtpHost option takes a string value which should be the host name of the SMTP server that will send the e-mail message.
  - getSMTPHost
```
public String getSMTPHost()
```
    Alias for getSmtpHost().
  - getSmtpHost
```
public String getSmtpHost()
```
    Returns value of the SMTPHost option.
  - setSMTPPort
```
public void setSMTPPort(int port)
```
    Alias for setSmtpPort(int).
    
    Parameters:
    
    port -
  - setSmtpPort
```
public void setSmtpPort(int port)
```
    The port where the SMTP server is running. Default value is 25.
    
    Parameters:
    
    port -
  - getSMTPPort
```
public int getSMTPPort()
```
    Alias for getSmtpPort()
    
    Returns:
  - getSmtpPort
```
public int getSmtpPort()
```
    See setSmtpPort(int)
    
    Returns:
  - getLocalhost
```
public String getLocalhost()
```
  - setLocalhost
```
public void setLocalhost(String localhost)
```
    Set the "mail.smtp.localhost" property to the value passed as parameter to this method.
    Useful in case the hostname for the client host is not fully qualified and as a consequence the SMTP server rejects the clients HELO/EHLO command.
    
    Parameters:
    
    localhost -
  - getCyclicBufferTracker
```
public CyclicBufferTracker<E> getCyclicBufferTracker()
```
  - setCyclicBufferTracker
```
public void setCyclicBufferTracker(CyclicBufferTracker<E> cbTracker)
```
  - getDiscriminator
```
public Discriminator<E> getDiscriminator()
```
  - setDiscriminator
```
public void setDiscriminator(Discriminator<E> discriminator)
```
  - isAsynchronousSending
```
public boolean isAsynchronousSending()
```
  - setAsynchronousSending
```
public void setAsynchronousSending(boolean asynchronousSending)
```
    By default, SMTAppender transmits emails asynchronously. For synchronous email transmission set asynchronousSending to 'false'.
    
    Parameters:
    
    asynchronousSending - determines whether sending is done asynchronously or not
    
    Since:
    
    1.0.4
  - addTo
```
public void addTo(String to)
```
  - makeNewToPatternLayout
```
protected abstract PatternLayoutBase<E> makeNewToPatternLayout(String toPattern)
```
  - getToAsListOfString
```
public List<String> getToAsListOfString()
```
  - isSTARTTLS
```
public boolean isSTARTTLS()
```
  - setSTARTTLS
```
public void setSTARTTLS(boolean startTLS)
```
  - isSSL
```
public boolean isSSL()
```
  - setSSL
```
public void setSSL(boolean ssl)
```
  - setEvaluator
```
public void setEvaluator(EventEvaluator<E> eventEvaluator)
```
    The EventEvaluator option takes a string value representing the name of the class implementing the EventEvaluator interface. A corresponding object will be instantiated and assigned as the event evaluator for the SMTPAppender.
  - getUsername
```
public String getUsername()
```
  - setUsername
```
public void setUsername(String username)
```
  - getPassword
```
public String getPassword()
```
  - setPassword
```
public void setPassword(String password)
```
  - getCharsetEncoding
```
public String getCharsetEncoding()
```
    Returns:
    
    the charset encoding value
    
    See Also:
    
    setCharsetEncoding(String)
  - getJndiLocation
```
public String getJndiLocation()
```
  - setJndiLocation
```
public void setJndiLocation(String jndiLocation)
```
    Set the location where a Session resource is located in JNDI. Default value is "java:comp/env/mail/Session".
    
    Parameters:
    
    jndiLocation -
    
    Since:
    
    1.0.6
  - isSessionViaJNDI
```
public boolean isSessionViaJNDI()
```
  - setSessionViaJNDI
```
public void setSessionViaJNDI(boolean sessionViaJNDI)
```
    If set to true, a Session resource will be retrieved from JNDI. Default is false.
    
    Parameters:
    
    sessionViaJNDI - whether to obtain a javax.mail.Session by JNDI
    
    Since:
    
    1.0.6
  - setCharsetEncoding
```
public void setCharsetEncoding(String charsetEncoding)
```
    Set the character set encoding of the outgoing email messages. The default encoding is "UTF-8" which usually works well for most purposes.
    
    Parameters:
    
    charsetEncoding -
  - getLayout
```
public Layout<E> getLayout()
```
  - setLayout
```
public void setLayout(Layout<E> layout)
```

Class SMTPAppenderBase<E>

Field Summary

Fields inherited from class ch.qos.logback.core.AppenderBase

Fields inherited from class ch.qos.logback.core.spi.ContextAwareBase

Constructor Summary

Method Summary

Methods inherited from class ch.qos.logback.core.AppenderBase

Methods inherited from class ch.qos.logback.core.spi.ContextAwareBase

Methods inherited from class java.lang.Object

Methods inherited from interface ch.qos.logback.core.spi.ContextAware

Field Detail

MAIL_SMTP_HOST_PK

MAIL_SMTP_PORT_PK

MAIL_SMTP_LOCALHOST_PK

MAIL_SMTP_AUTH_PK

MAIL_SMTP_STARTTLS_ENABLE_PK

MAIL_TRANSPORT_PROTOCOL_PK

MAIL_SMTP_SSL_ENABLE_PK

subjectLayout

layout

asynchronousSendingFuture

session

eventEvaluator

discriminator

cbTracker

Constructor Detail

SMTPAppenderBase

Method Detail

makeSubjectLayout

start

append

eventMarksEndOfLife

subAppend

checkEntryConditions

stop

getToList

updateMimeMsg

sendBuffer

fillBuffer

getFrom

getSubject

setFrom

setSubject

setSMTPHost

setSmtpHost

getSMTPHost

getSmtpHost

setSMTPPort

setSmtpPort

getSMTPPort

getSmtpPort

getLocalhost

setLocalhost

getCyclicBufferTracker

setCyclicBufferTracker

getDiscriminator

setDiscriminator

isAsynchronousSending

setAsynchronousSending

addTo

makeNewToPatternLayout

getToAsListOfString

isSTARTTLS

setSTARTTLS

isSSL

setSSL

setEvaluator

getUsername

setUsername

getPassword

setPassword

getCharsetEncoding

getJndiLocation

setJndiLocation

isSessionViaJNDI

setSessionViaJNDI

setCharsetEncoding

getLayout

setLayout