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Migrate from soon to be deprecate SnakeYAML constructor
Update `LayersIndex` to use constructor that accepts `LoaderOptions`. See gh-33663
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@ -25,6 +25,7 @@ import java.util.Map;
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import java.util.jar.JarFile;
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import java.util.zip.ZipEntry;
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import org.yaml.snakeyaml.LoaderOptions;
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import org.yaml.snakeyaml.Yaml;
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import org.yaml.snakeyaml.constructor.Constructor;
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@ -45,7 +46,11 @@ class LayersIndex extends ArrayList<Map<String, List<String>>> {
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String indexPath = (archiveFile.getName().endsWith(".war") ? "WEB-INF/layers.idx" : "BOOT-INF/layers.idx");
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try (JarFile jarFile = new JarFile(archiveFile)) {
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ZipEntry indexEntry = jarFile.getEntry(indexPath);
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Yaml yaml = new Yaml(new Constructor(LayersIndex.class));
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LoaderOptions loaderOptions = new LoaderOptions();
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loaderOptions.setAllowDuplicateKeys(false);
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loaderOptions.setMaxAliasesForCollections(Integer.MAX_VALUE);
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loaderOptions.setAllowRecursiveKeys(true);
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Yaml yaml = new Yaml(new Constructor(LayersIndex.class, loaderOptions));
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return yaml.load(jarFile.getInputStream(indexEntry));
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}
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}
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