Downgrade to java 8

build.gradle

@@ -13,7 +13,7 @@ repositories {
 }
 
 group = 'net.minecraftforge'
-java.toolchain.languageVersion = JavaLanguageVersion.of(17)
+java.toolchain.languageVersion = JavaLanguageVersion.of(8)
 java.withSourcesJar()
 jarSigner.fromEnvironmentVariables()
 

src/main/java/net/minecraftforge/gradlejarsigner/GradleJarSignerExtension.java

@@ -78,7 +78,7 @@ void fill(SignTask task) {
  }
 
  private void set(String key, Consumer<String> prop) {
- var data = System.getenv(key);
+ String data = System.getenv(key);
  if (data != null)
  prop.accept(data);
  else

src/main/java/net/minecraftforge/gradlejarsigner/SignTask.java

@@ -5,6 +5,7 @@
 package net.minecraftforge.gradlejarsigner;
 
 import java.io.BufferedOutputStream;
+import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
@@ -23,10 +24,12 @@
 import java.util.zip.ZipFile;
 
 import org.gradle.api.Task;
+import org.gradle.api.tasks.TaskInputs;
 import org.gradle.api.file.FileTreeElement;
 import org.gradle.api.file.FileVisitDetails;
 import org.gradle.api.file.FileVisitor;
 import org.gradle.api.file.RegularFileProperty;
+import org.gradle.api.model.ObjectFactory;
 import org.gradle.api.provider.Property;
 import org.gradle.api.specs.Spec;
 import org.gradle.api.tasks.Internal;
@@ -56,7 +59,7 @@ public class SignTask implements PatternFilterable {
  if (this.config != null)
  this.config.setDelegate(this);
 
- var objs = this.parent.getProject().getObjects();
+ ObjectFactory objs = this.parent.getProject().getObjects();
 
  this.alias = objs.property(String.class);
  this.storePass = objs.property(String.class);
@@ -77,7 +80,7 @@ public Object doCall() {
  }
 
  private Object addProperties() {
- var in = this.parent.getInputs();
+ TaskInputs in = this.parent.getInputs();
  if (!patternSet.isEmpty()) {
  in.property("signJar.patternSet.excludes", patternSet.getExcludes());
  in.property("signJar.patternSet.includes", patternSet.getIncludes());
@@ -110,12 +113,12 @@ private boolean hasEnoughInfo() {
  private <T extends Task> void sign(T task) throws IOException {
  final Map<String, Entry<byte[], Long>> ignoredStuff = new HashMap<>();
 
- var tmp = this.parent.getTemporaryDir();
- var output = this.parent.getArchiveFile().get().getAsFile();
- var original = new File(tmp, output.getName() + ".original");
+ File tmp = this.parent.getTemporaryDir();
+ File output = this.parent.getArchiveFile().get().getAsFile();
+ File original = new File(tmp, output.getName() + ".original");
  Files.move(output.toPath(), original.toPath(), StandardCopyOption.REPLACE_EXISTING);
 
- var input = original;
+ File input = original;
  if (!patternSet.isEmpty()) {
  input = new File(tmp, input.getName() + ".unsigned");
  processInputJar(original, input, ignoredStuff);
@@ -129,14 +132,14 @@ private <T extends Task> void sign(T task) throws IOException {
  throw new IllegalStateException("Both KeyStoreFile and KeyStoreData can not be set at the same time");
  keyStore = this.keyStoreFile.get().getAsFile();
  } else if (this.keyStoreData.isPresent()) {
- var data = Base64.getDecoder().decode(this.keyStoreData.get().getBytes(StandardCharsets.UTF_8));
+ byte[] data = Base64.getDecoder().decode(this.keyStoreData.get().getBytes(StandardCharsets.UTF_8));
  keyStore = new File(tmp, "keystore");
  Files.write(keyStore.toPath(), data);
  } else {
  throw new IllegalArgumentException("SignJar needs either a Base64 encoded KeyStore file, or a path to a KeyStore file");
  }
 
- var map = new HashMap<String, String>();
+ Map<String, String> map = new HashMap<>();
  map.put("alias", this.alias.get());
  map.put("storePass", this.storePass.get());
  map.put("jar", input.getAbsolutePath());
@@ -157,10 +160,10 @@ private <T extends Task> void sign(T task) throws IOException {
  }
 
  private void processInputJar(File input, File output, final Map<String, Entry<byte[], Long>> unsigned) throws IOException {
- var spec = patternSet.getAsSpec();
+ final Spec<FileTreeElement> spec = patternSet.getAsSpec();
 
  output.getParentFile().mkdirs();
- try (var outs = new JarOutputStream(new BufferedOutputStream(new FileOutputStream(output)))){
+ try (JarOutputStream outs = new JarOutputStream(new BufferedOutputStream(new FileOutputStream(output)))){
  this.parent.getProject().zipTree(input).visit(new FileVisitor() {
  @Override
  public void visitDir(FileVisitDetails details) {
@@ -185,7 +188,13 @@ public void visitFile(FileVisitDetails details) {
  outs.closeEntry();
  } else {
  InputStream stream = details.open();
- var data = stream.readAllBytes();
+ ByteArrayOutputStream tmp = new ByteArrayOutputStream(stream.available());
+ byte[] buf = new byte[0x100];
+ int len;
+ while ((len = stream.read(buf)) != -1)
+ tmp.write(buf, 0, len);
+
+ byte[] data = tmp.toByteArray();
  unsigned.put(details.getPath(), new MapEntry(data, details.getLastModified()));
  stream.close();
  }
@@ -202,6 +211,7 @@ private void writeOutputJar(File signedJar, File outputJar, Map<String, Entry<by
 
  JarOutputStream outs = new JarOutputStream(new BufferedOutputStream(new FileOutputStream(outputJar)));
 
+ byte[] buf = new byte[0x100];
  ZipFile base = new ZipFile(signedJar);
  for (ZipEntry e : Collections.list(base.entries())) {
  if (e.isDirectory()) {
@@ -210,7 +220,10 @@ private void writeOutputJar(File signedJar, File outputJar, Map<String, Entry<by
  ZipEntry n = new ZipEntry(e.getName());
  n.setTime(e.getTime());
  outs.putNextEntry(n);
- base.getInputStream(e).transferTo(outs);
+ InputStream in = base.getInputStream(e);
+ int len;
+ while ((len = in.read(buf)) != -1)
+ outs.write(buf, 0, len);
  outs.closeEntry();
  }
  }