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dealing with deprecation

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Sebastian Stenzel
2022-04-05 08:14:14 +02:00
parent 5a4f714c93
commit 4c363a9abc
3 changed files with 19 additions and 72 deletions
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67
src/main/java/org/cryptomator/common/PluginClassLoader.java
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package org.cryptomator.common;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.inject.Inject;
import javax.inject.Singleton;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
import java.nio.file.FileVisitOption;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.SimpleFileVisitor;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.ArrayList;
import java.util.EnumSet;
import java.util.List;
@Deprecated // to be moved to integrations-api 1.1.0
@Singleton
public class PluginClassLoader extends URLClassLoader {
private static final Logger LOG = LoggerFactory.getLogger(PluginClassLoader.class);
private static final String NAME = "PluginClassLoader";
private static final String JAR_SUFFIX = ".jar";
@Inject
public PluginClassLoader(Environment env) {
super(NAME, env.getPluginDir().map(PluginClassLoader::findJars).orElse(new URL[0]), PluginClassLoader.class.getClassLoader());
}
private static URL[] findJars(Path path) {
if (!Files.isDirectory(path)) {
return new URL[0];
} else {
try {
var visitor = new JarVisitor();
Files.walkFileTree(path, EnumSet.of(FileVisitOption.FOLLOW_LINKS), Integer.MAX_VALUE, visitor);
return visitor.urls.toArray(URL[]::new);
} catch (IOException e) {
LOG.warn("Failed to scan plugin dir " + path, e);
return new URL[0];
}
}
}
private static final class JarVisitor extends SimpleFileVisitor<Path> {
private final List<URL> urls = new ArrayList<>();
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) {
if (attrs.isRegularFile() && file.getFileName().toString().toLowerCase().endsWith(JAR_SUFFIX)) {
try {
urls.add(file.toUri().toURL());
} catch (MalformedURLException e) {
LOG.warn("Failed to create URL for jar file {}", file);
}
}
return FileVisitResult.CONTINUE;
}
}
}