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fix #327 and add support for glob syntax in classpath input
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julian 2024-05-22 23:47:50 +02:00
parent b824680508
commit 5b4ea5a0c5
1 changed files with 41 additions and 11 deletions
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52
src/main/java/de/dhbwstuttgart/environment/DirectoryClassLoader.java
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@ -5,31 +5,61 @@ import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.*;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
public class DirectoryClassLoader extends URLClassLoader implements IByteArrayClassLoader {
public DirectoryClassLoader(File directory, java.lang.ClassLoader parent) {
super(generateURLArray(dirToURL(directory)), parent);
}
// public DirectoryClassLoader(File directory, java.lang.ClassLoader parent) {
// super(generateURLArray(dirToURL(directory)), parent);
// }
public DirectoryClassLoader(List<File> directory, java.lang.ClassLoader parent) {
super(directory.stream().map(DirectoryClassLoader::dirToURL).collect(Collectors.toList()).toArray(new URL[0]), parent);
super(directory.stream().map(DirectoryClassLoader::dirToURL).flatMap(List::stream).collect(Collectors.toList()).toArray(new URL[0]), parent.getParent());
}
private static URL[] generateURLArray(URL url) {
return new URL[]{url};
}
private static URL dirToURL(File url){
private static List<URL> dirToURL(File file) {
//if(!url.isDirectory())throw new RuntimeException(url.toString() + " is not a directory");
try {
return url.toURI().toURL();
} catch (MalformedURLException e) {
throw new RuntimeException(e);
Path dir;
if (file.isDirectory()) {
try {
return List.of(file.toURI().toURL()); // if file is a directory, use it as is
} catch (MalformedURLException e) {
e.printStackTrace();
return List.of();
}
}
dir = file.toPath().getParent(); // if file is not a directory, get its parent directory
String pattern = file.toPath().getFileName().toString(); // use the file name as a glob pattern
List<URL> urls = new ArrayList<>();
try {
urls = Files.walk(dir)
.filter(Files::isRegularFile) // only consider files (not directories)
.filter(path -> {
PathMatcher matcher = FileSystems.getDefault().getPathMatcher("glob:" + pattern);
return matcher.matches(path.getFileName()); // match the file name against the pattern
})
.map(path -> {
try {
return path.toUri().toURL();
} catch (MalformedURLException e) {
throw new RuntimeException(e);
}
}) // convert the path to a URL
.toList(); // print the path of each matching file
} catch (IOException | RuntimeException e) {
e.printStackTrace();
}
return urls;
}
@Override