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TerribleFailureEmailHandler

public class TerribleFailureEmailHandler
extends Object implements ITerribleFailureHandler

java.lang.Object
↳	com.android.tradefed.log.TerribleFailureEmailHandler

A simple handler class that sends an email to interested people when a WTF (What a Terrible Failure) error occurs within a Trade Federation instance.

Summary

Public constructors
`TerribleFailureEmailHandler()` Create a `TerribleFailureEmailHandler`

Protected constructors
`TerribleFailureEmailHandler(IEmail mailer)` Create a `TerribleFailureEmailHandler` with a custom `IEmail` instance to use.

Public methods
`void`	`addDestination(String dest)` Adds an email destination address.
`boolean`	`onTerribleFailure(String description, Throwable cause)` Triggered when a terrible failure occurs in `LogUtil.CLog.wtf(String, Throwable)`
`void`	`setMinEmailInterval(long interval)` Sets the minimum email interval.
`void`	`setSender(String sender)` Sets the email sender address.

Protected methods
`String`	`generateEmailBody(String message, Throwable cause)` A method to generate the body for WTF email reports.
`IEmail.Message`	`generateEmailMessage(String description, Throwable cause)` Generates a new email message based on the attributes already gathered (subject, sender, destinations), as well as the description and cause (Optional)
`String`	`generateEmailSubject()` A method to generate the subject for email reports.
`long`	`getCurrentTimeMillis()` Gets the current time in milliseconds.
`String`	`getLocalHostName()` Gets the local host name of the machine.

Public constructors

TerribleFailureEmailHandler

public TerribleFailureEmailHandler ()

Create a TerribleFailureEmailHandler

Protected constructors

TerribleFailureEmailHandler

protected TerribleFailureEmailHandler (IEmail mailer)

Create a TerribleFailureEmailHandler with a custom IEmail instance to use.

Exposed for unit testing.

Parameters
`mailer`	`IEmail`: the `IEmail` instance to use.

Public methods

addDestination

public void addDestination (String dest)

Adds an email destination address.

onTerribleFailure

public boolean onTerribleFailure (String description, 
                Throwable cause)

Triggered when a terrible failure occurs in LogUtil.CLog.wtf(String, Throwable)

Parameters
`description`	`String`: a summary of the terrible failure that occurred
`cause`	`Throwable`: (Optional) contains the stack trace of the terrible failure

Returns
`boolean`	true on being handled successfully, false otherwise

setMinEmailInterval

public void setMinEmailInterval (long interval)

Sets the minimum email interval.

setSender

public void setSender (String sender)

Sets the email sender address.

Protected methods

generateEmailBody

protected String generateEmailBody (String message, 
                Throwable cause)

A method to generate the body for WTF email reports.

Parameters
`message`	`String`: summary of the terrible failure
`cause`	`Throwable`: throwable containing stack trace information

Returns
`String`	A `String` containing the body to use for an email report

generateEmailMessage

protected IEmail.Message generateEmailMessage (String description, 
                Throwable cause)

Generates a new email message based on the attributes already gathered (subject, sender, destinations), as well as the description and cause (Optional)

Parameters
`description`	`String`: Summary of the terrible failure
`cause`	`Throwable`: (Optional) Throwable that includes stack trace info

Returns
`IEmail.Message`	Message object with all email attributes populated

generateEmailSubject

protected String generateEmailSubject ()

A method to generate the subject for email reports. The subject will be formatted as: " on "

Returns
`String`	A `String` containing the subject to use for an email report

getCurrentTimeMillis

protected long getCurrentTimeMillis ()

Gets the current time in milliseconds.

Returns
`long`

getLocalHostName

protected String getLocalHostName ()

Gets the local host name of the machine.

Returns
`String`	the name of the host machine, or "unknown host" if unknown