Merge pull request #49 from str4d/travis-java-home

Update Travis CI config for upstream supported JDK changes

Author: str4d

.travis.yml

@@ -1,12 +1,33 @@
 language: java
 
 jdk:
+  - oraclejdk9
   - oraclejdk8
-  - oraclejdk7
+  - openjdk8
   - openjdk7
-  - openjdk6
+
+matrix:
+  include:
+    - addons:
+        apt:
+          packages:
+            - openjdk-6-jdk
+      jdk: openjdk6
+      env: CUSTOM_MVN_VERION="3.2.5"
 
 install:
+  - if [[ -n "${CUSTOM_MVN_VERION}" ]]; then
+      echo "Download Maven ${CUSTOM_MVN_VERION}....";
+      if [[ "${CUSTOM_MVN_VERION}" == "3.0" ]]; then
+        wget https://archive.apache.org/dist/maven/binaries/apache-maven-3.0-bin.zip || travis_terminate 1;
+      else
+        wget https://archive.apache.org/dist/maven/maven-3/${CUSTOM_MVN_VERION}/binaries/apache-maven-${CUSTOM_MVN_VERION}-bin.zip || travis_terminate 1;
+      fi;
+      unzip -qq apache-maven-${CUSTOM_MVN_VERION}-bin.zip || travis_terminate 1;
+      export M2_HOME=$PWD/apache-maven-${CUSTOM_MVN_VERION};
+      export PATH=$M2_HOME/bin:$PATH;
+      mvn -version;
+    fi
   - mvn test -DskipTests=true -B -V
   - jdk_switcher use oraclejdk8
   - mvn install -DskipTests=true -Dmaven.javadoc.skip=true -Dgpg.skip=true -B -V