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Replace 'Launcher.getCurrentJarFiles()' with 'JarUtils.thisJar()'

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This commit is contained in:
Glavo
2022-01-25 05:31:43 +08:00
committed by Yuhui Huang
parent ba520f1d90
commit c2c3f55925
4 changed files with 22 additions and 69 deletions
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37
HMCLCore/src/main/java/org/jackhuang/hmcl/util/io/JarUtils.java
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@@ -19,7 +19,6 @@ package org.jackhuang.hmcl.util.io;
import java.io.IOException;
import java.net.URISyntaxException;
import java.net.URL;
import java.nio.file.FileSystemNotFoundException;
import java.nio.file.Files;
import java.nio.file.Path;
@@ -34,29 +33,21 @@ public final class JarUtils {
private JarUtils() {
}
@SuppressWarnings("OptionalUsedAsFieldOrParameterType")
private static final Optional<Path> THIS_JAR =
Optional.ofNullable(JarUtils.class.getProtectionDomain().getCodeSource())
.map(CodeSource::getLocation)
.map(url -> {
try {
return Paths.get(url.toURI());
} catch (FileSystemNotFoundException | IllegalArgumentException | URISyntaxException e) {
return null;
}
})
.filter(Files::isRegularFile);
public static Optional<Path> thisJar() {
CodeSource codeSource = JarUtils.class.getProtectionDomain().getCodeSource();
if (codeSource == null) {
return Optional.empty();
}
URL url = codeSource.getLocation();
if (url == null) {
return Optional.empty();
}
Path path;
try {
path = Paths.get(url.toURI());
} catch (FileSystemNotFoundException | IllegalArgumentException | URISyntaxException e) {
return Optional.empty();
}
if (!Files.isRegularFile(path)) {
return Optional.empty();
}
return Optional.of(path);
return THIS_JAR;
}
public static Optional<Manifest> getManifest(Path jar) {