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package de.docufy.topicpilot.microservices.commons.saxon;
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import jakarta.annotation.PostConstruct;
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import lombok.extern.slf4j.Slf4j;
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import net.bytebuddy.ByteBuddy;
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import net.bytebuddy.agent.ByteBuddyAgent;
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import net.bytebuddy.dynamic.loading.ClassReloadingStrategy;
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import net.bytebuddy.implementation.MethodDelegation;
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import net.bytebuddy.matcher.ElementMatchers;
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import net.sf.saxon.om.DocumentKey;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
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import org.springframework.stereotype.Component;
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import java.io.File;
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import java.nio.file.Paths;
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@Slf4j
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@Component
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@ConditionalOnClass(ByteBuddyAgent.class)
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public class SaxonDocumentKeyFix {
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@PostConstruct
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public void init() {
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log.info("Installing fix for Saxon #6565");
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ByteBuddyAgent.install();
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new ByteBuddy()
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.redefine(DocumentKey.class)
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.method(ElementMatchers.named("normalizeURI"))
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.intercept(MethodDelegation.to(DocumentKeyFixed.class))
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.make()
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.load(DocumentKey.class.getClassLoader(), ClassReloadingStrategy.fromInstalledAgent());
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}
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public static class DocumentKeyFixed {
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public static final boolean CASE_BLIND_FILES = (new File("a")).equals(new File("A"));
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public static String normalizeURI(String uri) {
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if (uri == null) {
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return null;
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}
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if (uri.startsWith("FILE:")) {
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uri = "file:" + uri.substring(5);
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}
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if (uri.startsWith("file:")) {
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if (uri.startsWith("file:///")) {
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uri = "file:/" + uri.substring(8);
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}
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if (uri.startsWith("file:/")) {
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// Work-around for Saxon #6565
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String cpath = Paths.get(uri.substring(6)).normalize().toString();
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uri = "file:" + cpath;
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}
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if (CASE_BLIND_FILES) {
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uri = uri.toLowerCase();
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}
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}
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return uri;
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}
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}
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}
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