/*
* Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 David Berkman
*
* This file is part of the SmallMind Code Project.
*
* The SmallMind Code Project is free software, you can redistribute
* it and/or modify it under either, at your discretion...
*
* 1) The terms of GNU Affero General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* ...or...
*
* 2) The terms of the Apache License, Version 2.0.
*
* The SmallMind Code Project is distributed in the hope that it will
* be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License or Apache License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* and the Apache License along with the SmallMind Code Project. If not, see
* <http://www.gnu.org/licenses/> or <http://www.apache.org/licenses/LICENSE-2.0>.
*
* Additional permission under the GNU Affero GPL version 3 section 7
* ------------------------------------------------------------------
* If you modify this Program, or any covered work, by linking or
* combining it with other code, such other code is not for that reason
* alone subject to any of the requirements of the GNU Affero GPL
* version 3.
*/
package org.smallmind.forge.deploy;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import org.apache.http.HttpHost;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.config.Registry;
import org.apache.http.config.RegistryBuilder;
import org.apache.http.conn.HttpClientConnectionManager;
import org.apache.http.conn.socket.ConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.impl.conn.BasicHttpClientConnectionManager;
import org.apache.http.ssl.SSLContexts;
public class NexusDownloader {
public static void download (File file, String nexusHost, String nexusUser, String nexusPassword, Repository repository, String groupId, String artifactId, String version, String classifier, String extension, boolean progressBar)
throws IOException {
SSLConnectionSocketFactory sslConnectionSocketFactory = new SSLConnectionSocketFactory(SSLContexts.createSystemDefault());
Registry<ConnectionSocketFactory> registry = RegistryBuilder.<ConnectionSocketFactory>create().register("https", sslConnectionSocketFactory).build();
HttpClientConnectionManager connectionManager = new BasicHttpClientConnectionManager(registry);
CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
CloseableHttpClient httpclient;
HttpHost target;
StringBuilder getBuilder;
credentialsProvider.setCredentials(new AuthScope(target = new HttpHost(nexusHost, 443, "https")), new UsernamePasswordCredentials(nexusUser, nexusPassword));
httpclient = HttpClients.custom().setConnectionManager(connectionManager).setDefaultCredentialsProvider(credentialsProvider).build();
getBuilder = new StringBuilder("/repository/service/local/artifact/maven/redirect?r=").append(repository.getCode()).append("&g=").append(groupId).append("&a=").append(artifactId).append("&v=").append(calculateVersion(repository, version)).append("&e=").append(extension);
if (classifier != null) {
getBuilder.append("&c=").append(classifier);
}
try (CloseableHttpResponse response = httpclient.execute(target, new HttpGet(getBuilder.toString()))) {
if (response.getStatusLine().getStatusCode() != 200) {
throw new IOException("Could not locate requested artifact");
}
Files.createDirectories(file.toPath().getParent());
long bytesAvailable = response.getEntity().getContentLength();
byte[] buffer = new byte[2048];
try (InputStream inputStream = response.getEntity().getContent(); FileOutputStream fileOutputStream = new FileOutputStream(file)) {
TextProgressBar downloadProgressBar;
long bytesWritten = 0;
int bytesRead;
downloadProgressBar = new TextProgressBar(bytesAvailable, "bytes", 2, progressBar);
downloadProgressBar.update(0);
do {
if ((bytesRead = inputStream.read(buffer)) < 0) {
throw new IOException("Unexpected end of stream");
} else {
fileOutputStream.write(buffer, 0, bytesRead);
bytesWritten += bytesRead;
downloadProgressBar.update(bytesWritten);
}
} while (bytesWritten < bytesAvailable);
downloadProgressBar.update(bytesAvailable);
}
}
}
private static String calculateVersion (Repository repository, String version) {
if (version.equals("LATEST") || version.equals("RELEASE")) {
return version;
}
return repository.equals(Repository.RELEASES) ? version : version + "-SNAPSHOT";
}
}