119 lines
4.8 KiB
Java
119 lines
4.8 KiB
Java
/*
|
|
* Copyright 2007-present the original author or authors.
|
|
*
|
|
* Licensed 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.io.*;
|
|
import java.net.*;
|
|
import java.nio.channels.*;
|
|
import java.util.Properties;
|
|
|
|
public class MavenWrapperDownloader {
|
|
|
|
private static final String WRAPPER_VERSION = "0.5.6";
|
|
/**
|
|
* 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/"
|
|
+ WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".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 directory '" + 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 {
|
|
if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) {
|
|
String username = System.getenv("MVNW_USERNAME");
|
|
char[] password = System.getenv("MVNW_PASSWORD").toCharArray();
|
|
Authenticator.setDefault(new Authenticator() {
|
|
@Override
|
|
protected PasswordAuthentication getPasswordAuthentication() {
|
|
return new PasswordAuthentication(username, password);
|
|
}
|
|
});
|
|
}
|
|
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();
|
|
}
|
|
|
|
}
|