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[Improve] maven-wrapper downloader improvement (#3214)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
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| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.net.Authenticator; | ||
| import java.net.PasswordAuthentication; | ||
| import java.net.URL; | ||
| import java.nio.file.Files; | ||
| import java.nio.file.Path; | ||
| import java.nio.file.Paths; | ||
| import java.nio.file.StandardCopyOption; | ||
| import java.util.Arrays; | ||
| import java.util.jar.JarFile; | ||
|
|
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| public final class MavenWrapperHelper { | ||
|
|
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| private static final String WRAPPER_VERSION = "3.2.0"; | ||
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|
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| private static final boolean VERBOSE = Boolean.parseBoolean(System.getenv("MVNW_VERBOSE")); | ||
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| public static void main(String[] args) { | ||
| String action = args[0].toLowerCase(); | ||
| String[] actionArgs = Arrays.copyOfRange(args, 1, args.length); | ||
| switch (action) { | ||
| case "download": | ||
| log("Apache Maven Wrapper Downloader " + WRAPPER_VERSION); | ||
| if (actionArgs.length != 2) { | ||
| System.err.println(" - ERROR wrapperUrl or wrapperJarPath parameter missing"); | ||
| System.exit(1); | ||
| } | ||
| try { | ||
| log(" - Downloader started"); | ||
| final URL wrapperUrl = new URL(actionArgs[0]); | ||
| final String jarPath = actionArgs[1].replace("src/main", ""); // Sanitize path | ||
| final Path wrapperJarPath = Paths.get(jarPath).toAbsolutePath().normalize(); | ||
| downloadFileFromURL(wrapperUrl, wrapperJarPath); | ||
| log("Done"); | ||
| } catch (IOException e) { | ||
| System.err.println("- Error downloading: " + e.getMessage()); | ||
| if (VERBOSE) { | ||
| e.printStackTrace(); | ||
| } | ||
| System.exit(1); | ||
| } | ||
| break; | ||
| case "verify": | ||
| String wrapperJar = actionArgs[0]; | ||
| log("maven-wrapper file checking: " + wrapperJar); | ||
| try (JarFile ignored = new JarFile(wrapperJar, true)) { | ||
| System.exit(0); | ||
| } catch (Exception e) { | ||
| System.exit(1); | ||
| } | ||
| default: | ||
| throw new UnsupportedOperationException("Unknown action \"" + action + "\"."); | ||
| } | ||
| } | ||
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| private static void downloadFileFromURL(URL wrapperUrl, Path wrapperJarPath) throws IOException { | ||
| log(" - Downloading to: " + wrapperJarPath); | ||
| if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) { | ||
| final String username = System.getenv("MVNW_USERNAME"); | ||
| final char[] password = System.getenv("MVNW_PASSWORD").toCharArray(); | ||
| Authenticator.setDefault( | ||
| new Authenticator() { | ||
| @Override | ||
| protected PasswordAuthentication getPasswordAuthentication() { | ||
| return new PasswordAuthentication(username, password); | ||
| } | ||
| }); | ||
| } | ||
| try (InputStream inStream = wrapperUrl.openStream()) { | ||
| Files.copy(inStream, wrapperJarPath, StandardCopyOption.REPLACE_EXISTING); | ||
| } | ||
| log(" - Downloader complete"); | ||
| } | ||
|
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| private static void log(String msg) { | ||
| if (VERBOSE) { | ||
| System.out.println(msg); | ||
| } | ||
| } | ||
| } |
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