Kirs
3 years ago
committed by
GitHub
7 changed files with 166 additions and 270 deletions
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/* |
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* Copyright 2007-present the original author or authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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import java.net.*; |
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import java.io.*; |
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import java.nio.channels.*; |
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import java.util.Properties; |
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public class MavenWrapperDownloader { |
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private static final String WRAPPER_VERSION = "0.5.6"; |
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/** |
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* Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided. |
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*/ |
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private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/" |
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+ WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar"; |
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/** |
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* Path to the maven-wrapper.properties file, which might contain a downloadUrl property to |
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* use instead of the default one. |
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*/ |
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private static final String MAVEN_WRAPPER_PROPERTIES_PATH = |
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".mvn/wrapper/maven-wrapper.properties"; |
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/** |
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* Path where the maven-wrapper.jar will be saved to. |
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*/ |
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private static final String MAVEN_WRAPPER_JAR_PATH = |
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".mvn/wrapper/maven-wrapper.jar"; |
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/** |
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* Name of the property which should be used to override the default download url for the wrapper. |
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*/ |
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private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl"; |
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public static void main(String args[]) { |
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System.out.println("- Downloader started"); |
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File baseDirectory = new File(args[0]); |
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System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath()); |
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// If the maven-wrapper.properties exists, read it and check if it contains a custom
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// wrapperUrl parameter.
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File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH); |
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String url = DEFAULT_DOWNLOAD_URL; |
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if(mavenWrapperPropertyFile.exists()) { |
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FileInputStream mavenWrapperPropertyFileInputStream = null; |
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try { |
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mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile); |
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Properties mavenWrapperProperties = new Properties(); |
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mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream); |
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url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url); |
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} catch (IOException e) { |
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System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'"); |
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} finally { |
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try { |
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if(mavenWrapperPropertyFileInputStream != null) { |
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mavenWrapperPropertyFileInputStream.close(); |
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} |
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} catch (IOException e) { |
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// Ignore ...
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} |
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} |
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} |
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System.out.println("- Downloading from: " + url); |
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File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH); |
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if(!outputFile.getParentFile().exists()) { |
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if(!outputFile.getParentFile().mkdirs()) { |
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System.out.println( |
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"- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'"); |
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} |
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} |
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System.out.println("- Downloading to: " + outputFile.getAbsolutePath()); |
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try { |
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downloadFileFromURL(url, outputFile); |
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System.out.println("Done"); |
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System.exit(0); |
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} catch (Throwable e) { |
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System.out.println("- Error downloading"); |
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e.printStackTrace(); |
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System.exit(1); |
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} |
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} |
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private static void downloadFileFromURL(String urlString, File destination) throws Exception { |
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if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) { |
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String username = System.getenv("MVNW_USERNAME"); |
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char[] password = System.getenv("MVNW_PASSWORD").toCharArray(); |
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Authenticator.setDefault(new Authenticator() { |
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@Override |
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protected PasswordAuthentication getPasswordAuthentication() { |
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return new PasswordAuthentication(username, password); |
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} |
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}); |
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} |
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URL website = new URL(urlString); |
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ReadableByteChannel rbc; |
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rbc = Channels.newChannel(website.openStream()); |
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FileOutputStream fos = new FileOutputStream(destination); |
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fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE); |
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fos.close(); |
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rbc.close(); |
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} |
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} |
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@ -1,2 +1,18 @@ |
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distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip |
# Licensed to the Apache Software Foundation (ASF) under one |
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wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar |
# or more contributor license agreements. See the NOTICE file |
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# distributed with this work for additional information |
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# regarding copyright ownership. The ASF licenses this file |
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# to you under the Apache License, Version 2.0 (the |
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# "License"); you may not use this file except in compliance |
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# with the License. You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, |
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# software distributed under the License is distributed on an |
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
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# KIND, either express or implied. See the License for the |
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# specific language governing permissions and limitations |
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# under the License. |
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distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.4/apache-maven-3.8.4-bin.zip |
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wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar |
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