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<td class="page-title-pattern-first-line " style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="http://jira.qos.ch/browse/LOGBACK" style="color: #3b73af; text-decoration: none">logback</a> / <a href="http://jira.qos.ch/browse/LOGBACK-1119" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-static-newfeature-cac46bca-45d6-4f9b-8ec2-463f8a8818a3" height="16" width="16" border="0" align="absmiddle" alt="New Feature" style="vertical-align: text-bottom" /></a> <a href="http://jira.qos.ch/browse/LOGBACK-1119" style="color: #3b73af; text-decoration: none">LOGBACK-1119</a>
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<td style="vertical-align: top;; padding: 0px; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="http://jira.qos.ch/browse/LOGBACK-1119" style="color: #3b73af; text-decoration: none">Configure Logback using HOCON format (Typesafe's Config)</a> </span>
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Issue Type:
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<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="logback-dev@qos.ch" id="email_logback-dev@qos.ch" href="http://jira.qos.ch/secure/ViewProfile.jspa?name=logback-dev%40qos.ch" style="color:#3b73af;; color: #3b73af; text-decoration: none">Logback dev list</a>
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Components:
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logback-classic
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Created:
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02/Jan/16 3:35 PM
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configuration
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<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="mwegrz" id="email_mwegrz" href="http://jira.qos.ch/secure/ViewProfile.jspa?name=mwegrz" style="color:#3b73af;; color: #3b73af; text-decoration: none">Michał Węgrzyn</a>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">The idea is to add a new way of configuring Logback using HOCON format (<a href="https://github.com/typesafehub/config" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">Typesafe's Config</a>), in addition to XML and Groovy. The motivation is that for projects that use HOCON for their main configuration (e.g. application.conf) it would be very convenient just to add an additional "logback" section instead of providing a separate configuration file. Moreover, Typesafe's Config provides many features that would be beneficial also for configuring Logback (e.g. reference configuration merging).</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Below is an example of the proposed configuration syntax based on a sample XML config:</p>
<div class="preformatted panel" style="border-width: 1px;; border: 1px solid #ccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #ccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
<div class="preformattedContent panelContent" style="padding: 9px 12px">
<pre style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal; white-space: pre; word-break: normal; word-wrap: break-word; word-break: break-word; white-space: pre-wrap"><configuration debug="true" scan="true" scanPeriod="30 seconds">
<contextName>myAppName</contextName>
<contextListener class="ch.qos.logback.classic.jul.LevelChangePropagator">
<resetJUL>true</resetJUL>
</contextListener>
<appender name="FILE" class="ch.qos.logback.core.FileAppender">
<file>myApp.log</file>
<append>true</append>
<encoder>
<pattern>%date %level [%thread] %logger{10} [%file:%line] %msg%n</pattern>
</encoder>
</appender>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
</encoder>
</appender>
<logger name="chapters.configuration" level="INFO">
<root level="DEBUG">
<appender-ref ref="FILE" />
<appender-ref ref="STDOUT" />
</root>
</configuration>
</pre>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">HOCON equivalent (e.g application.conf):</p>
<div class="preformatted panel" style="border-width: 1px;; border: 1px solid #ccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #ccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
<div class="preformattedContent panelContent" style="padding: 9px 12px">
<pre style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal; white-space: pre; word-break: normal; word-wrap: break-word; word-break: break-word; white-space: pre-wrap">logback {
debug = true
scan = true
scan-period = 30 seconds
context-name = "myAppName"
context-listener {
class = "ch.qos.logback.classic.jul.LevelChangePropagator"
reset-jul = true
}
appenders {
"FILE" {
class = "ch.qos.logback.core.FileAppender"
file = "myApp.log"
append = true
encoder {
pattern = "%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n"
}
}
"STDOUT" {
class = "ch.qos.logback.core.ConsoleAppender"
encoder {
pattern = "%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n"
}
}
}
loggers {
"chapters.configuration" {
level = INFO
}
}
root {
level = DEBUG
appender-refs = ["FILE", "STDOUT"]
}
}
</pre>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Standard XML config's features not directly supported:</p>
<ul class="alternate" type="square">
<li>
Conditional processing of a configuration file.
</li>
<li>
Properties and variable substitution (but supported to some extend by HOCON itself).
</li>
<li>
File inclusion (but supported by HOCON itself).
</li>
</ul>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">I have a PoC version of the above that I would like to share. Please let me know what do you think.</p>
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