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May 23, 2014
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EmJar, one-jar alternative #21

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4cfcf94
EmJar, embedded jar class loader for jar-in-jar bundles.
May 21, 2014
99978bd
Maven plugin for building EmJar-enabled jar-in-jar bundles.
May 21, 2014
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Maven plugin for building EmJar-enabled jar-in-jar bundles.
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Arne Georg Gleditsch committed May 21, 2014
commit 99978bd20405d854c7769ec2f16543bbd820cd25
1 change: 1 addition & 0 deletions README.md
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Expand Up @@ -13,3 +13,4 @@ The list of components currently reads as follows:
* [logging-context-json](logging-context-json) Context-aware JSON/logstash log formatter
* [pb-json](pb-json) Hassle-free conversion from Protobuf to JSON and back
* [emjar](emjar) Class loader and supporting cast for using jar-in-jar embedded archives as part of classpath
* [emjar-maven-plugin](emjar-maven-plugin) Generate EmJar-enabled bundle archives from Maven
82 changes: 82 additions & 0 deletions emjar-maven-plugin/README.md
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emjar-maven-plugin
==================

Maven Plugin Mojo for building bundling jars that contain dependency artifact jars verbatim. The bundling jars are built to include the [EmJar](../emjar) class loader for allowing use of the embedded jars as parts of the classpath for the main application code.

### Available parameters

* finalName

Final name for generated Java Archive file.

* explicitOrderings

Set of explicit orderings for dependency artifacts that contain conflicting entries.

* mainJar

Jar file containing main application code.

* manifestEntries

Additional Manifest entries to include in top-level jar.

* outputDirectory

Output directory for generated jar file.

* ignoreConflicts

Ingore jar content conflicts.


### Minimal usage example

```xml
<plugins>
...
<plugin>
<groupId>com.comoyo.commons</groupId>
<artifactId>emjar-maven-plugin</artifactId>
<version>1.0.0</version>
<executions>
<execution>
<goals>
<goal>run</goal>
</goals>
</execution>
</executions>
</plugin>
...
</plugins>
```

### With explicit ordering constraints

```xml
<plugins>
...
<plugin>
<groupId>com.comoyo.commons</groupId>
<artifactId>emjar-maven-plugin</artifactId>
<version>1.0.0</version>
<executions>
<execution>
<goals>
<goal>run</goal>
</goals>
<configuration>
<finalName>${project.artifactId}-${project.version}-${git.commit.id.abbrev}</finalName>
<explicitOrderings>
<explicitOrdering>
<prefer>org.slf4j:log4j-over-slf4j</prefer>
<over>log4j:log4j</over>
</explicitOrdering>
</explicitOrderings>
</configuration>
</execution>
</executions>
</plugin>
...
</plugins>
```
89 changes: 89 additions & 0 deletions emjar-maven-plugin/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://maven.apache.org/POM/4.0.0"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">

<modelVersion>4.0.0</modelVersion>

<parent>
<artifactId>commons</artifactId>
<groupId>com.comoyo</groupId>
<version>1.0-SNAPSHOT</version>
</parent>

<name>emjar-maven-plugin -- for building executable embedded jar files</name>
<groupId>com.comoyo.commons</groupId>
<artifactId>emjar-maven-plugin</artifactId>

<url>https://github.com/comoyo/commons/emjar-maven-plugin</url>
<packaging>maven-plugin</packaging>

<prerequisites>
<maven>3</maven>
</prerequisites>

<dependencies>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>${google.guava.version}</version>
</dependency>

<dependency>
<groupId>org.apache.maven</groupId>
<artifactId>maven-core</artifactId>
<version>3.0.5</version>
</dependency>

<dependency>
<groupId>com.comoyo.commons</groupId>
<artifactId>emjar</artifactId>
<version>${project.version}</version>
</dependency>

<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
</dependencies>

<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-plugin-plugin</artifactId>
<version>3.2</version>
<configuration>
<goalPrefix>emjar</goalPrefix>
<skipErrorNoDescriptorsFound>true</skipErrorNoDescriptorsFound>
</configuration>
<executions>
<execution>
<id>mojo-descriptor</id>
<goals>
<goal>descriptor</goal>
</goals>
</execution>
<execution>
<id>help-goal</id>
<goals>
<goal>helpmojo</goal>
</goals>
</execution>
</executions>
</plugin>

<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.2</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
</plugins>
</build>
</project>
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