[
https://issues.apache.org/jira/browse/JAMES-2171?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16732777#comment-16732777
]
ASF GitHub Bot commented on JAMES-2171:
---------------------------------------
Github user chibenwa commented on a diff in the pull request:
https://github.com/apache/james-project/pull/145#discussion_r244935740
--- Diff:
mailet/base/src/main/java/org/apache/mailet/base/GenericMailet.java ---
@@ -150,6 +167,28 @@ public String getInitParameter(String name, String
defValue) {
}
}
+ /**
+ * Returns a String containing the value of the named initialization
+ * parameter, or defValue if the parameter does not exist.
+ * <p>
+ * This method is supplied for convenience. It gets the value of the
+ * named parameter from the mailet's MailetConfig object.
+ *
+ * @param name - a String specifying the name of the initialization
parameter
+ * @param clazz - a class type specifying the type of the returned
value type
+ * @param defValue - a String specifying the default value when the
parameter
+ * is not present
+ * @return a generic type containing the value of the initialization
parameter
+ */
+ public <T> T getInitParameter(String name, Class<T> clazz, T defValue)
{
+ T res = config.getInitParameter(name, clazz);
+ if (res == null) {
+ return defValue;
+ } else {
+ return res;
+ }
--- End diff --
This also can be written with an easy to read optional:
```
return Optional.ofNullable(config.getInitParameter(name,
clazz)).orElse(defValue);
```
> LogMessage mailet improvments
> -----------------------------
>
> Key: JAMES-2171
> URL: https://issues.apache.org/jira/browse/JAMES-2171
> Project: James Server
> Issue Type: Improvement
> Components: Mailet Contributions
> Affects Versions: master
> Reporter: Tellier Benoit
> Priority: Major
> Labels: easyfix, newbie
>
> Today, one can use the LogMessage to generate log messages upon mail reception
> But the LogMessage have the following limits:
> - It do not let you configure the warn level
> - It does generate several logs. One would be simpler to review.
> - It does add some unneeded informations, like mail name already carried by
> the MDC
> - It does not allow logging of specific headers or specific attributeNames.
> This leads to missing information as well as "to much information".
> - The code quality of the mailet is poor.
> You will:
> - Ensure a single log message will be generated. For this you will call the
> logger one time and concatenate log messages parts.
> - Remove the log line with mail name.
> - Add a **level** configuration option. It can takes value **warn**,
> **info**, **debug** or **error**. It will be used to set the logger log level.
> - Add a **specificHeaders** configuration option. It takes a comma separated
> list of header names to include in the log message. By default it is empty.
> - Add a **specificAttributes** configuration option. It takes a comma
> separated list of attribute names to be included in the log message. By
> default it is empty.
> - **body** configuration option should be false by default
> - **header** configuration option should be false by default
> - **init** should propagate exception while initilizing (Integer parse
> exception, also passing a negative max body should throw.)
> - Remove inlined affectation for field. They can be unset on their
> declaration and set when init is called.
> Correct *LogMessageTest* accordingly.
> Don't hesitate to reach us on the *gitter* chat if you have any question.
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