[slf4j-user] SLF4J library using an image

[Rusty Wright]

Suppose I'm developing a library that will be used in another person's 
project and my library uses slf4j.  And I don't know what logging 
framework they use.  Should my distribution include slf4j-log412.jar and 
slf4j-jdk14.jar (or, better, specify both of them as a dependency in my 
maven pom.xml)?  Or should I include instructions that they'll need to 
download and use either of those jars, depending on which logging 
framework they're using?

Here's what's in my pom.xml at the moment (for logging); the test scope 
is what keeps the underlying logging framework I'm using (logback) from 
being a runtime/compile dependency:


<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>

<version>${version.slf4j}</version>
</dependency>

<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>

<!-- use provided scope on real JCL. -->
<!-- ensures it's not inadvertently pulled in, -->
<!-- so that we can use jcl-over-slf4j. -->

<version>1.1.1</version>

<scope>provided</scope>
</dependency>

<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging-api</artifactId>

<!-- use provided scope on real JCL. -->
<!-- ensures it's not inadvertently pulled in, -->
<!-- so that we can use jcl-over-slf4j. -->

<version>1.1</version>

<scope>provided</scope>
</dependency>

<!-- the slf4j commons-logging replacement -->
<!-- if any package is using jakarta commons logging this will -->
<!-- re-route it through slf4j. -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j</artifactId>

<version>${version.slf4j}</version>

<scope>test</scope>
</dependency>

<!-- the slf4j log4j replacement. -->
<!-- if any package is using log4j this will re-route -->
<!-- it through slf4j. -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>log4j-over-slf4j</artifactId>

<version>${version.slf4j}</version>

<scope>test</scope>
</dependency>

<!-- the slf4j java.util.logging replacement. -->
<!-- if any package is using java.util.logging this will re-route -->
<!-- it through slf4j. -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jul-to-slf4j</artifactId>

<version>${version.slf4j}</version>

<scope>test</scope>
</dependency>

<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>

<version>${version.logback}</version>

<scope>test</scope>
</dependency>


On 2011-08-11 13:36, Ceki Gülcü wrote:
> Hi again,
>
> Here is another more comprehensive attempt. It's hard for me to say 
> how much of an improvement these are.
>
> Comments welcome.
> -- 
> Ceki
>
>
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> slf4j-user mailing list
> slf4j-user at qos.ch
> http://qos.ch/mailman/listinfo/slf4j-user
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