├── .gitignore
├── README.md
├── build.gradle
└── src
    ├── api
        └── java
        │   └── doubler
        │       └── Doubler.java
    ├── impl
        └── java
        │   └── doubler
        │       └── impl
        │           └── DoublerImpl.java
    └── test
        └── java
            └── doubler
                └── impl
                    └── DoublerImplTest.java


/.gitignore:
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 1 | bin/
 2 | build/
 3 | *.class
 4 | *.jar
 5 | .settings/
 6 | .gradle/
 7 | .classpath
 8 | .project
 9 | 
10 | 


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/README.md:
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 1 | # gradle-multiple-jars
 2 | 
 3 | Example Gradle project producing two jars from single source directory:
 4 |  - *API* from src/api
 5 |  - *Impl* from src/impl
 6 | 
 7 | Both jars are installed to local maven reactor with:
 8 | 
 9 |     gradle install
10 |     
11 |     
12 | To add them to build.gradle use the following syntax:
13 | 
14 | ```gradle 
15 |  compile 'com.github.jitpack.gradle-multiple-jars:api:1.0.1'
16 |  compile 'com.github.jitpack.gradle-multiple-jars:impl:1.0.1'
17 | ```
18 | 
19 | Or to add them both together:
20 | 
21 | ```gradle 
22 |  compile 'com.github.jitpack:gradle-multiple-jars:1.0.1'
23 | ```
24 | 


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/build.gradle:
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 1 | apply plugin: "java"
 2 | apply plugin: "maven"
 3 | 
 4 | group = "com.github.jitpack"
 5 | version = 1.0
 6 | sourceCompatibility = 1.8 // java 8
 7 | targetCompatibility = 1.8
 8 | 	
 9 | repositories {
10 |     mavenCentral()
11 | }
12 | 
13 | sourceSets {
14 |     api
15 |     impl
16 | }
17 | 
18 | sourceSets.all { set ->
19 |     def jarTask = task("${set.name}Jar", type: Jar) {
20 |         baseName = "$set.name"
21 |         from set.output
22 |     }
23 | 
24 |     artifacts {
25 |         archives jarTask
26 |     }
27 | }
28 | 
29 | dependencies {
30 |     apiCompile 'commons-codec:commons-codec:1.5'
31 | 
32 |     implCompile sourceSets.api.output
33 |     implCompile 'commons-lang:commons-lang:2.6'
34 | 
35 |     testCompile 'junit:junit:4.9'
36 |     testCompile sourceSets.api.output
37 |     testCompile sourceSets.impl.output
38 |     
39 |     runtime configurations.apiRuntime
40 |     runtime configurations.implRuntime
41 | }
42 | 
43 | jar {
44 |     from sourceSets.api.output
45 |     from sourceSets.impl.output
46 | }
47 | 
48 | // this step is necessary when installing both jars in the local maven repository
49 | install {
50 |     repositories.mavenInstaller {
51 | 		addFilter('api') { artifact, file -> artifact.name.endsWith('api') }
52 | 		addFilter('impl') { artifact, file -> artifact.name.endsWith('impl') }
53 |     }
54 | }
55 | 


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/src/api/java/doubler/Doubler.java:
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1 | package doubler;
2 | 
3 | public interface Doubler {
4 |     int doubleIt(int toDouble);
5 | }
6 | 


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/src/impl/java/doubler/impl/DoublerImpl.java:
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 1 | package doubler.impl;
 2 | 
 3 | import doubler.Doubler;
 4 | 
 5 | public class DoublerImpl implements Doubler {
 6 |     public int doubleIt(int toDouble) {
 7 |         return toDouble * 2;
 8 |     }
 9 | }
10 | 


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/src/test/java/doubler/impl/DoublerImplTest.java:
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 1 | package doubler.impl;
 2 | 
 3 | import doubler.Doubler;
 4 | import org.junit.Test;
 5 | 
 6 | public class DoublerImplTest {
 7 |     
 8 |     @Test
 9 |     public void testIt() {
10 |         Doubler doubler = new DoublerImpl();
11 |         assert doubler.doubleIt(2) == 4;
12 |     }
13 | }
14 | 


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