Gradle improvements

.gitignore

@@ -1,22 +1,18 @@
 .DS_Store
 
 .idea/shelf
-
 .idea/tasks.xml
-
 .idea/workspace.xml
 
 build
-
 classes
-
 testClasses
 
 worldwind.jar
-
 worldwindx.jar
 
-/nbproject/private/
-
+gradle
+gradlew
+gradlew.bat
 .gradle
-/bin/
+.nb-gradle

.travis.yml

@@ -9,26 +9,35 @@ language: java
 jdk:
   - openjdk8
   - openjdk11
+  - openjdk12
   - oraclejdk8
   - oraclejdk11
   - openjdk-ea
-
+
+before_cache:
+  - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
+  - rm -fr $HOME/.gradle/caches/*/plugin-resolution/
+
+cache:
+  directories:
+    - $HOME/.gradle/caches/
+    - $HOME/.gradle/wrapper/
+
 # Don't fail the build on the early access JDK, or wait for it to finish before marking it done.
 matrix:
   fast_finish: true
   allow_failures:
-    - jdk: openjdk-ea  
+    - jdk: openjdk-ea
 
-# Install the Ant JUnit package, which is missing from the Travis CI environment. See the Travis documentation: https://docs.travis-ci.com/user/installing-dependencies/#Adding-APT-Packages
-addons:
-  apt:
-    packages:
-      - ant-optional
+# Install gradle wrapper based on version defined in wrapper.gradle
+before_install:
+  # Use Java 8 to install the wrapper as this command will fail in Java 11.
+  - JAVA_HOME=`jdk_switcher home openjdk8` gradle -b wrapper.gradle wrapper
 
-# Custom install script to force using ant instead of gradle if travis detects a build.gradle file.
+# Clean up project before running build script.
 install: 
   # Using clean as dummy target; could install dependencies here if needed.
-  - ant clean
+  - ./gradlew clean
 
 # Use xvfb to run tests that require a GUI and give it some time to start
 before_script:
@@ -38,14 +47,14 @@ before_script:
 
 # Build the project
 script:
-  - ant build
+  - ./gradlew build javadoc
 
 # Deploy develop branch javadocs to gh_pages, and create and deploy CHANGELOG.md on tags
 deploy:
   # Publish API documentation to GitHub Pages
   - provider: pages
     github_token: $GITHUB_API_KEY
-    local_dir: build/doc/javadoc
+    local_dir: build/docs/javadoc
     skip_cleanup: true
     on:
       branch: develop

build.gradle

@@ -1,6 +1,6 @@
 apply plugin: 'java'
 
-group = 'gov.nasa'
+group = 'earth.worldwind'
 version = '2.2.0'
 
 sourceCompatibility = '1.8'
@@ -33,6 +33,11 @@ sourceSets {
     main {
         java {
             srcDirs = ['src']
+            include '**/*.java'
+        }
+        resources {
+            srcDirs = ['src']
+            exclude '**/*.java'
         }
     }
     test {
@@ -43,7 +48,7 @@ sourceSets {
 }
 
 compileJava {
-    options.debug = project.hasProperty("debugBuild") ? "${project.debugBuild}".toBoolean() : false
+    options.debug = !project.hasProperty("releaseBuild")
 }
 
 // Compile worldwind jar.
@@ -52,11 +57,6 @@ jar {
     version = null
     from sourceSets.main.output
     exclude 'gov/nasa/worldwindx/**'
-    from(sourceSets.main.allSource) {
-        include 'gov/nasa/worldwind/util/**/*.properties'
-        include 'config/**'
-        include 'images/**'
-    }
 }
 // Copy worldwind jar to project-directory.
 jar.doLast {
@@ -70,19 +70,13 @@ jar.doLast {
 task extensionsJar(type: Jar) {
     group = 'build'
     description = 'Assembles a jar archive containing the extension classes.'
-    archiveBaseName = 'worldwindx'
+    baseName = 'worldwindx'
     version = null
-    from sourceSets.main.output
-    include 'gov/nasa/worldwindx/**/*.class'
-    from(sourceSets.main.allSource) {
-        include 'gov/nasa/worldwindx/applications/sar/*.html'
-        include 'gov/nasa/worldwindx/applications/sar/config/**'
-        include 'gov/nasa/worldwindx/applications/sar/data/**'
-        include 'gov/nasa/worldwindx/applications/sar/images/**'
-        include 'gov/nasa/worldwindx/applications/worldwindow/config/**'
-        include 'gov/nasa/worldwindx/applications/worldwindow/images/**'
-        include 'gov/nasa/worldwindx/examples/data/**'
-        include 'gov/nasa/worldwindx/examples/images/**'
+    from (sourceSets.main.output) {
+        exclude 'com/**'
+        exclude 'config/**'
+        exclude 'images/**'
+        exclude 'gov/nasa/worldwind/**'
     }
 }
 // Copy worldwindx jar to project-directory.
@@ -116,4 +110,4 @@ javadoc {
     }
     exclude 'com/**'
     exclude 'gov/nasa/worldwind/formats/**'
-}
+}