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Fix fabric development environment launch

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This commit is contained in:
ishland
2021-07-04 00:08:03 +08:00
parent efd1665c1d
commit f2946d85aa
1 changed files with 30 additions and 1 deletions
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31
common/src/main/java/com/dfsek/terra/api/util/JarUtil.java
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@@ -6,13 +6,21 @@ import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.Enumeration;
import java.util.UUID;
import java.util.concurrent.atomic.AtomicReference;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
public class JarUtil {
private static final AtomicReference<File> terraModJar = new AtomicReference<>(null);
public static void copyResourcesToDirectory(JarFile fromJar, String sourceDir, String destDir) throws IOException {
for(Enumeration<JarEntry> entries = fromJar.entries(); entries.hasMoreElements(); ) {
JarEntry entry = entries.nextElement();
@@ -38,7 +46,28 @@ public class JarUtil {
}
public static JarFile getJarFile() throws URISyntaxException, IOException {
return new JarFile(new File(getJarURL().toURI()));
final File _jarFile1 = terraModJar.get();
if(_jarFile1 != null) return new JarFile(_jarFile1);
synchronized(terraModJar) {
final File _jarFile2 = terraModJar.get();
if(_jarFile2 != null) return new JarFile(_jarFile2);
// uncached here
final URI jarURI = getJarURL().toURI();
if(jarURI.getScheme() == null || !jarURI.getScheme().equalsIgnoreCase("file")) {
final File tempFile = File.createTempFile("terra-jar-" + UUID.randomUUID(), ".jar");
try(final FileOutputStream out = new FileOutputStream(tempFile)) {
Files.copy(Paths.get(jarURI), out);
}
tempFile.deleteOnExit();
terraModJar.set(tempFile);
return new JarFile(tempFile);
} else {
final File jarFile = new File(jarURI);
terraModJar.set(jarFile);
return new JarFile(jarFile);
}
}
}
public static URL getJarURL() {