build: Add common package to deployed artifacts

Author: lpatino10

common/build.gradle

@@ -1,21 +1,71 @@
+plugins {
+    id 'ru.vyarus.animalsniffer' version '1.3.0'
+}
+
+defaultTasks 'clean'
+
+apply from: '../utils.gradle'
 import org.apache.tools.ant.filters.*
 
-apply plugin: 'checkstyle'
 apply plugin: 'java'
+apply plugin: 'ru.vyarus.animalsniffer'
+apply plugin: 'maven'
+apply plugin: 'signing'
+apply plugin: 'checkstyle'
+apply plugin: 'eclipse'
 
-checkstyle {
-    configFile = rootProject.file('checkstyle.xml')
-    ignoreFailures = false
+project.tasks.assemble.dependsOn project.tasks.shadowJar
+
+task javadocJar(type: Jar) {
+    classifier = 'javadoc'
+    from javadoc
+}
+
+task sourcesJar(type: Jar) {
+    classifier = 'sources'
+    from sourceSets.main.allSource
 }
 
 repositories {
-    mavenCentral()
+    maven { url = "http://repo.maven.apache.org/maven2" }
+}
+
+artifacts {
+    archives sourcesJar
+    archives javadocJar
+}
+
+signing {
+    sign configurations.archives
+}
+
+signArchives {
+    onlyIf { Task task ->
+        def shouldExec = false
+        for (myArg in project.gradle.startParameter.taskRequests[0].args) {
+            if (myArg.toLowerCase().contains('signjars') || myArg.toLowerCase().contains('uploadarchives')) {
+                shouldExec = true
+            }
+        }
+        return shouldExec
+    }
+}
+
+checkstyle {
+    configFile = rootProject.file('checkstyle.xml')
+    ignoreFailures = false
 }
 
 dependencies {
     compile 'com.ibm.cloud:sdk-core:3.0.2'
+    signature 'org.codehaus.mojo.signature:java17:1.0@signature'
 }
 
 processResources {
-    filter ReplaceTokens, tokens: ["pom.version": project.version]
+    filter ReplaceTokens, tokens: [
+            "pom.version": project.version,
+            "build.date" : getDate()
+    ]
 }
+
+apply from: rootProject.file('.utility/bintray-properties.gradle')

common/gradle.properties

@@ -0,0 +1,4 @@
+PACKAGE_NAME=com.ibm.watson:common
+ARTIFACT_ID=common
+NAME=IBM Watson Java SDK - Common
+DESCRIPTION=Classes common to the rest of the wrapper libraries in the Watson Java SDK