woggioni/envelope
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fixed bootstrap bug on Windows

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This commit is contained in:
Walter Oggioni
2022-11-01 11:13:07 +08:00
parent ab21345801
commit 1bd1835629
1 changed files with 1 additions and 23 deletions
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24
launcher/src/main/java/net/woggioni/envelope/Launcher.java
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@@ -15,15 +15,12 @@ import java.util.ArrayList;
import java.util.Enumeration; import java.util.Enumeration;
import java.util.List; import java.util.List;
import java.util.Map; import java.util.Map;
import java.util.Objects;
import java.util.Properties; import java.util.Properties;
import java.util.function.Consumer; import java.util.function.Consumer;
import java.util.jar.Attributes; import java.util.jar.Attributes;
import java.util.jar.JarEntry; import java.util.jar.JarEntry;
import java.util.jar.Manifest; import java.util.jar.Manifest;
import static java.util.jar.JarFile.MANIFEST_NAME;
public class Launcher { public class Launcher {
@SneakyThrows @SneakyThrows
@@ -73,26 +70,7 @@ public class Launcher {
} }
} }
JarFile currentJar = findCurrentJar(); JarFile currentJar = findCurrentJar();
URL manifestResource = null; Manifest mf = currentJar.getManifest();
Enumeration<URL> enumeration = Launcher.class.getClassLoader().getResources(MANIFEST_NAME);
while (enumeration.hasMoreElements()) {
URL candidate = enumeration.nextElement();
URL subUrl = new URL(candidate.getFile());
String candidatePath = subUrl.getPath();
int i = candidatePath.indexOf("!/");
candidatePath = candidatePath.substring(0, i);
if (Objects.equals(currentJar.getName(), candidatePath)) {
manifestResource = candidate;
break;
}
}
if (Objects.isNull(manifestResource)) {
throw new RuntimeException("Launcher manifest not found");
}
Manifest mf = new Manifest();
try (InputStream is = manifestResource.openStream()) {
mf.read(is);
}
Attributes mainAttributes = mf.getMainAttributes(); Attributes mainAttributes = mf.getMainAttributes();
String mainClassName = mainAttributes.getValue(Constants.ManifestAttributes.MAIN_CLASS); String mainClassName = mainAttributes.getValue(Constants.ManifestAttributes.MAIN_CLASS);