Add Gradle scripts / tasks for artifact deployment (#95)

* Prepare gradle deployment to sonatype snapshot

* Add condition for signing

* Add gradle setup for deploying artifact to sonatype

Author: anthonycorbacho

build.gradle

@@ -1,7 +1,6 @@
 apply {
     plugin "base"
     plugin "java"
-    plugin "maven-publish"
     plugin "checkstyle"
     plugin "jacoco"
     plugin "idea"
@@ -18,9 +17,8 @@ repositories {
 }
 
 sourceCompatibility = JavaVersion.VERSION_1_8
-group = "oi.krakens"
+group = "io.krakens"
 archivesBaseName = "java-grok"
-version = '0.1.9-SNAPSHOT'
 
 ext {
     checkStyleToolVersion = "6.19"
@@ -41,6 +39,21 @@ dependencies {
     testCompile "com.google.guava:guava:$guavaVersion"
 }
 
+task javadocJar(type: Jar) {
+    classifier = 'javadoc'
+    from javadoc
+}
+
+task sourcesJar(type: Jar) {
+    classifier = 'sources'
+    from sourceSets.main.allSource
+}
+
+// Needed to avoid including all the jar signing and sonatype setup.
+if (project.hasProperty("withDeployment")) {
+    apply from: "$rootProject.projectDir/gradle/sonatype.gradle"
+}
+
 checkstyle {
     configFile = file("${project.projectDir}/extra/checkstyle/checkstyle.xml")
     toolVersion = "$checkStyleToolVersion"

gradle/sonatype.gradle

@@ -0,0 +1,58 @@
+apply {
+    plugin "maven"
+    plugin "signing"
+}
+
+artifacts {
+    archives javadocJar, sourcesJar
+}
+
+ext.isReleaseVersion = !version.endsWith("SNAPSHOT")
+signing {
+    required { isReleaseVersion }
+    sign configurations.archives
+}
+
+uploadArchives {
+    repositories {
+        mavenDeployer {
+            beforeDeployment { MavenDeployment deployment -> signing.signPom(deployment) }
+
+            repository(url: "https://oss.sonatype.org/service/local/staging/deploy/maven2/") {
+                authentication(userName: ossrhUsername, password: ossrhPassword)
+            }
+
+            snapshotRepository(url: "https://oss.sonatype.org/content/repositories/snapshots/") {
+                authentication(userName: ossrhUsername, password: ossrhPassword)
+            }
+
+            pom.project {
+                name 'Java Grok'
+                packaging 'jar'
+                description 'Java Grok is simple API that allows you to easily parse logs and other files (single line). With Java Grok, you can turn unstructured log and event data into structured data (JSON).'
+                url 'https://github.com/thekrakken/java-grok'
+
+                scm {
+                    connection 'scm:git:git@github.com:thekrakken/java-grok.git'
+                    developerConnection 'scm:git:git@github.com:thekrakken/java-grok.git'
+                    url 'scm:git:git@github.com:thekrakken/java-grok.git'
+                }
+
+                licenses {
+                    license {
+                        name 'The Apache License, Version 2.0'
+                        url 'http://www.apache.org/licenses/LICENSE-2.0.txt'
+                    }
+                }
+
+                developers {
+                    developer {
+                        id 'anthony-corbacho'
+                        name 'Anthony Corbacho'
+                        email 'manfred@sonatype.com'
+                    }
+                }
+            }
+        }
+    }
+}

settings.gradle

@@ -1 +1,2 @@
 rootProject.name = 'java-grok'
+version = "0.1.9-SNAPSHOT"

src/main/java/io/krakens/grok/api/Grok.java

@@ -9,7 +9,6 @@
 import java.util.regex.Pattern;
 
 import io.krakens.grok.api.Converter.IConverter;
-import io.krakens.grok.api.exception.GrokException;
 
 import org.apache.commons.lang3.StringUtils;