Allow remapping jars without Main-Class attribute (ex: Bukkit plugins)
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1b15d3b29f
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@ -35,7 +35,9 @@ import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Map;
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import java.util.Set;
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import java.util.jar.Attributes;
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import java.util.jar.JarFile;
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import java.util.jar.Manifest;
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import java.util.zip.ZipEntry;
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import lombok.AccessLevel;
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import lombok.EqualsAndHashCode;
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@ -104,7 +106,19 @@ public class Jar {
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public static Jar init(File file) throws IOException {
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JarFile jarFile = new JarFile(file);
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String main = jarFile.getManifest().getMainAttributes().getValue("Main-Class").replace('.', '/');
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String main = null;
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Manifest manifest = jarFile.getManifest();
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if (manifest != null) {
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Attributes attributes = manifest.getMainAttributes();
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if (attributes != null) {
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String mainClassName = attributes.getValue("Main-Class");
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if (mainClassName != null) {
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main = mainClassName.replace('.', '/');
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}
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}
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}
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return new Jar(jarFile, main);
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}
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}
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