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/* | ||
* Copyright (C) 2024 Nameless Production Committee | ||
* | ||
* Licensed under the MIT License (the "License"); | ||
* you may not use this file except in compliance with the License. | ||
* You may obtain a copy of the License at | ||
* | ||
* http://opensource.org/licenses/mit-license.php | ||
*/ | ||
package bee.api; | ||
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import java.io.FileOutputStream; | ||
import java.io.InputStream; | ||
import java.io.OutputStream; | ||
import java.net.URI; | ||
import java.net.http.HttpHeaders; | ||
import java.net.http.HttpResponse; | ||
import java.util.Map; | ||
import java.util.Map.Entry; | ||
import java.util.concurrent.ConcurrentHashMap; | ||
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import org.eclipse.aether.AbstractRepositoryListener; | ||
import org.eclipse.aether.RepositoryEvent; | ||
import org.eclipse.aether.transfer.TransferCancelledException; | ||
import org.eclipse.aether.transfer.TransferEvent; | ||
import org.eclipse.aether.transfer.TransferEvent.RequestType; | ||
import org.eclipse.aether.transfer.TransferListener; | ||
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import bee.Platform; | ||
import bee.UserInterface; | ||
import bee.util.Inputs; | ||
import kiss.I; | ||
import kiss.Managed; | ||
import kiss.Singleton; | ||
import kiss.WiseConsumer; | ||
import psychopath.File; | ||
import psychopath.Locator; | ||
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/** | ||
* Data transfer manager. | ||
*/ | ||
@Managed(Singleton.class) | ||
public class Loader extends AbstractRepositoryListener implements TransferListener { | ||
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/** The user notifier. */ | ||
private final UserInterface ui; | ||
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/** | ||
* @param ui | ||
*/ | ||
private Loader(UserInterface ui) { | ||
this.ui = ui; | ||
} | ||
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/** | ||
* {@inheritDoc} | ||
*/ | ||
@Override | ||
public void artifactInstalled(RepositoryEvent event) { | ||
ui.info("Install " + event.getArtifact() + " to " + event.getFile()); | ||
} | ||
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/** The progress event interval. (ms) */ | ||
private static final long interval = 200 * 1000 * 1000; | ||
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/** The last progress event time. */ | ||
private long last = 0; | ||
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/** The downloading items. */ | ||
private Map<String, Resource> downloading = new ConcurrentHashMap(); | ||
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/** The uploading items. */ | ||
private Map<String, Resource> uploading = new ConcurrentHashMap(); | ||
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/** | ||
* {@inheritDoc} | ||
*/ | ||
@Override | ||
public void transferInitiated(TransferEvent event) { | ||
boolean download = event.getRequestType() != RequestType.PUT; | ||
Map<String, Resource> resources = download ? downloading : uploading; | ||
resources.put(event.getResource().getResourceName(), new Resource(event)); | ||
} | ||
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/** | ||
* {@inheritDoc} | ||
*/ | ||
@Override | ||
public void transferStarted(TransferEvent event) throws TransferCancelledException { | ||
} | ||
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/** | ||
* {@inheritDoc} | ||
*/ | ||
@Override | ||
public void transferProgressed(TransferEvent event) { | ||
transferProgressed(new Resource(event)); | ||
} | ||
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private void transferProgressed(Resource resource) { | ||
boolean download = resource.type != RequestType.PUT; | ||
Map<String, Resource> resources = download ? downloading : uploading; | ||
resources.put(resource.name, resource); | ||
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long now = System.nanoTime(); | ||
if (interval < now - last) { | ||
last = now; // update last event time | ||
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StringBuilder message = new StringBuilder(); | ||
for (Entry<String, Resource> entry : resources.entrySet().stream().limit(5).toList()) { | ||
if (!message.isEmpty()) message.append(Platform.EOL); | ||
message.append(buildMessage(download ? "Downloading" : "Uploading", entry.getValue(), true)); | ||
} | ||
ui.trace(message); | ||
} | ||
} | ||
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/** | ||
* {@inheritDoc} | ||
*/ | ||
@Override | ||
public void transferSucceeded(TransferEvent event) { | ||
transferSucceeded(new Resource(event)); | ||
} | ||
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private void transferSucceeded(Resource resource) { | ||
boolean download = resource.type != RequestType.PUT; | ||
Map<String, Resource> resources = download ? downloading : uploading; | ||
resources.remove(resource.name); | ||
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ui.info(buildMessage(download ? "Downloaded" : "Uploaded", resource, false)); | ||
} | ||
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/** | ||
* {@inheritDoc} | ||
*/ | ||
@Override | ||
public void transferFailed(TransferEvent event) { | ||
boolean download = event.getRequestType() != RequestType.PUT; | ||
Map<String, Resource> resources = download ? downloading : uploading; | ||
resources.remove(event.getResource().getResourceName()); | ||
} | ||
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/** | ||
* {@inheritDoc} | ||
*/ | ||
@Override | ||
public void transferCorrupted(TransferEvent event) { | ||
ui.error(event.getException()); | ||
} | ||
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/** | ||
* Build item transfering message. | ||
* | ||
* @param action | ||
* @param resource | ||
* @param progress | ||
* @return | ||
*/ | ||
private static String buildMessage(String action, Resource resource, boolean progress) { | ||
StringBuilder message = new StringBuilder(action).append(" : ").append(name(resource.name)).append(" ("); | ||
if (progress && 0 < resource.size) { | ||
message.append(Inputs.formatAsSize(resource.current, false)).append('/').append(Inputs.formatAsSize(resource.size)); | ||
} else { | ||
message.append(Inputs.formatAsSize(resource.current)); | ||
} | ||
message.append(" @ ").append(resource.repository).append(") "); | ||
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return message.toString(); | ||
} | ||
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/** | ||
* Compute readable resource name. | ||
* | ||
* @param resourceName | ||
* @return | ||
*/ | ||
private static String name(String resourceName) { | ||
int last = resourceName.lastIndexOf('/'); | ||
String name = resourceName.substring(last + 1); | ||
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if (name.equals("maven-metadata.xml")) { | ||
return name + " for " + resourceName.substring(resourceName.lastIndexOf('/', last - 1) + 1, last); | ||
} else { | ||
return name; | ||
} | ||
} | ||
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private record Resource(RequestType type, String name, String repository, long size, long current) { | ||
Resource(TransferEvent e) { | ||
this(e.getRequestType(), e.getResource().getResourceName(), e.getResource().getRepositoryId(), e.getDataLength(), e | ||
.getTransferredBytes()); | ||
} | ||
} | ||
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/** | ||
* Download file from the specified uri. | ||
* | ||
* @param uri | ||
* @return The temporary downloaded file. | ||
*/ | ||
public static File download(String uri) { | ||
File temp = Locator.temporaryFile(); | ||
donwload(uri, temp); | ||
return temp; | ||
} | ||
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/** | ||
* Download file from the specified uri. | ||
* | ||
* @param uri | ||
* @param file | ||
*/ | ||
public static void donwload(String uri, File file) { | ||
I.http(uri, HttpResponse.class).waitForTerminate().to((WiseConsumer<HttpResponse>) res -> { | ||
String host = URI.create(uri).getHost(); | ||
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// analyze header | ||
HttpHeaders headers = res.headers(); | ||
long total = headers.firstValueAsLong("Content-Length").orElse(0); | ||
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// transfer data | ||
try (InputStream in = (InputStream) res.body(); OutputStream out = new FileOutputStream(file.asJavaFile())) { | ||
int passed = 0; | ||
Loader transfers = I.make(Loader.class); | ||
transfers.transferProgressed(new Resource(RequestType.GET, uri, host, total, passed)); | ||
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int read = -1; | ||
byte[] buffer = new byte[1024 * 32]; | ||
while (0 < (read = in.read(buffer))) { | ||
passed += read; | ||
out.write(buffer, 0, read); | ||
transfers.transferProgressed(new Resource(RequestType.GET, uri, host, total, passed)); | ||
} | ||
transfers.transferSucceeded(new Resource(RequestType.GET, uri, host, total, passed)); | ||
} | ||
}); | ||
} | ||
} |
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