mirror of https://github.com/apache/maven.git
39 lines
1.4 KiB
Java
39 lines
1.4 KiB
Java
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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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public class MavenWrapperDownloader {
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public static void main(String args[]) {
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System.out.println("- Downloader started");
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String url="http://central.maven.org/maven2/io/takari/maven-wrapper/0.2.1/maven-wrapper-0.2.1.jar";
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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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File outputFile = new File(baseDirectory.getAbsolutePath(), ".mvn/wrapper/maven-wrapper.jar");
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if(!outputFile.getParentFile().exists()) {
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outputFile.getParentFile().mkdirs();
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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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public static void downloadFileFromURL(String urlString, File destination) throws Exception {
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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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