upgrade to maven 3.5.3 (forced by mvnw)

Author: davidB

.mvn/wrapper/MavenWrapperDownloader.java

@@ -0,0 +1,110 @@
+/*
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+*/
+
+import java.net.*;
+import java.io.*;
+import java.nio.channels.*;
+import java.util.Properties;
+
+public class MavenWrapperDownloader {
+
+    /**
+     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+     */
+    private static final String DEFAULT_DOWNLOAD_URL =
+            "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.0/maven-wrapper-0.4.0.jar";
+
+    /**
+     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+     * use instead of the default one.
+     */
+    private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
+            ".mvn/wrapper/maven-wrapper.properties";
+
+    /**
+     * Path where the maven-wrapper.jar will be saved to.
+     */
+    private static final String MAVEN_WRAPPER_JAR_PATH =
+            ".mvn/wrapper/maven-wrapper.jar";
+
+    /**
+     * Name of the property which should be used to override the default download url for the wrapper.
+     */
+    private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+    public static void main(String args[]) {
+        System.out.println("- Downloader started");
+        File baseDirectory = new File(args[0]);
+        System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
+
+        // If the maven-wrapper.properties exists, read it and check if it contains a custom
+        // wrapperUrl parameter.
+        File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+        String url = DEFAULT_DOWNLOAD_URL;
+        if(mavenWrapperPropertyFile.exists()) {
+            FileInputStream mavenWrapperPropertyFileInputStream = null;
+            try {
+                mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
+                Properties mavenWrapperProperties = new Properties();
+                mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+                url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+            } catch (IOException e) {
+                System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+            } finally {
+                try {
+                    if(mavenWrapperPropertyFileInputStream != null) {
+                        mavenWrapperPropertyFileInputStream.close();
+                    }
+                } catch (IOException e) {
+                    // Ignore ...
+                }
+            }
+        }
+        System.out.println("- Downloading from: : " + url);
+
+        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+        if(!outputFile.getParentFile().exists()) {
+            if(!outputFile.getParentFile().mkdirs()) {
+                System.out.println(
+                        "- ERROR creating output direcrory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+            }
+        }
+        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+        try {
+            downloadFileFromURL(url, outputFile);
+            System.out.println("Done");
+            System.exit(0);
+        } catch (Throwable e) {
+            System.out.println("- Error downloading");
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+
+    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+        URL website = new URL(urlString);
+        ReadableByteChannel rbc;
+        rbc = Channels.newChannel(website.openStream());
+        FileOutputStream fos = new FileOutputStream(destination);
+        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+        fos.close();
+        rbc.close();
+    }
+
+}

.mvn/wrapper/maven-wrapper.jar

@@ -0,0 +1 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.5.3/apache-maven-3.5.3-bin.zip

.mvn/wrapper/maven-wrapper.properties

@@ -4,4 +4,4 @@ jdk:
 #  - oraclejdk7
   - oraclejdk8
 
-script: "mvn integration-test"
+script: "./mvnw integration-test"

.travis.yml

@@ -19,16 +19,16 @@ Currently, you need Maven 3.x & JDK 8 to build the plugin, create the site, and
 
 ## Commands
 
-* `mvn package` : generate jar
-* `mvn site` : generate the plugin website
-* `mvn integration-test` : `mvn package` + run all integration test
+* `./mvnw package` : generate jar
+* ./mvnw site` : generate the plugin website
+* ./mvnw integration-test` : ./mvnw package` + run all integration test
   * note: to run _test\_scalaHome_: you have to set `scala.home` property in `src/it/test_scalaHome/pom.xml` to correspond to your environment.  See Build section above for a simple setup.
-* `mvn invoker:run -Dinvoker.test=test1` : run integration test 'test1' useful for tuning/debug
-* `mvn install` :  `mvn integration-test` + publish on local maven repository
-* `mvn install -Dmaven.test.skip=true` : `mvn install` without run of unit test and run of integration test
+* ./mvnw invoker:run -Dinvoker.test=test1` : run integration test 'test1' useful for tuning/debug
+* ./mvnw install` :  ./mvnw integration-test` + publish on local maven repository
+* ./mvnw install -Dmaven.test.skip=true` : ./mvnw install` without run of unit test and run of integration test
 * release :
-  * `mvn release:prepare && mvn release:perform` : to publish on staging repository via plugin
-  * `mvn site package source:jar javadoc:jar install:install gpg:sign deploy:deploy changes:announcement-generate -Dmaven.test.skip=true -DperformRelease=true` : manual
+  * ./mvnw release:prepare && mvn release:perform` : to publish on staging repository via plugin
+  * ./mvnw site package source:jar javadoc:jar install:install gpg:sign deploy:deploy changes:announcement-generate -Dmaven.test.skip=true -DperformRelease=true` : manual
   * connect to http://oss.sonatype.org/ close and release the request(about scala-maven-plugin) in staging repositories
   * browse the updated [mvnsite](https://davidb.github.io/scala-maven-plugin/) (check version into samples, ...)
   * email the content of `target/checkout/target/announcement/announcement.md.vm` to [email protected], and to [email protected] (same subject but without tag part)