content: package io.muserver.rest;
  
  import io.muserver.Mutils;
  import io.netty.handler.codec.http.QueryStringDecoder;
  import jakarta.ws.rs.core.*;
  
  import java.net.URI;
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.List;
  import java.util.Map;
  import java.util.stream.Collectors;
  import java.util.stream.Stream;
  
  import static io.muserver.Mutils.urlDecode;
  import static io.muserver.Mutils.urlEncode;
  import static io.muserver.rest.ReadOnlyMultivaluedMap.readOnly;
  import static java.util.stream.Collectors.toList;
  
  class MuUriInfo implements UriInfo {
      static {
          MuRuntimeDelegate.ensureSet();
      }
  
      private final URI baseUri;
      private final URI requestUri;
      private final String encodedRelativePath;
      private final RequestMatcher.MatchedMethod matchedMethod;
  
      MuUriInfo(URI baseUri, URI requestUri, String encodedRelativePath, RequestMatcher.MatchedMethod matchedMethod) {
          this.baseUri = baseUri;
          this.requestUri = requestUri;
          this.encodedRelativePath = encodedRelativePath;
          this.matchedMethod = matchedMethod;
      }
  
      @Override
      public String getPath() {
          return getPath(true);
      }
  
      @Override
      public String getPath(boolean decode) {
          return decode ? urlDecode(encodedRelativePath) : encodedRelativePath;
      }
  
      @Override
      public List<PathSegment> getPathSegments() {
          return getPathSegments(true);
      }
  
      @Override
      public List<PathSegment> getPathSegments(boolean decode) {
          return pathStringToSegments(getPath(decode), false)
              .collect(Collectors.toList());
      }
  
      static Stream<MuPathSegment> pathStringToSegments(String path, boolean encodeSlashes) {
          Stream<String> stream = encodeSlashes ? Stream.of(path) : Stream.of(path.split("/"));
          return stream
              .filter(s -> !s.isEmpty())
              .map(s -> {
                  String[] segments = s.split(";");
  
                  MultivaluedHashMap<String, String> params = new MultivaluedHashMap<>();
                  for (int i = 1; i < segments.length; i++) {
                      String[] nv = segments[i].split("=");
                      String paramName = nv[0];
                      if (nv.length == 1) {
                          params.add(paramName, "");
                      } else {
                          String[] vals = nv[1].split(",");
                          params.addAll(paramName, vals);
                      }
                  }
                  return new MuPathSegment(segments[0], params);
              });
      }
  
      @Override
      public URI getRequestUri() {
          return requestUri;
      }
  
      @Override
      public UriBuilder getRequestUriBuilder() {
          return UriBuilder.fromUri(requestUri);
      }
  
      @Override
      public URI getAbsolutePath() {
          return getBaseUri().resolve(getPath(false));
      }
  
      @Override
      public UriBuilder getAbsolutePathBuilder() {
          return UriBuilder.fromUri(getAbsolutePath());
      }
  
      @Override
      public URI getBaseUri() {
          return baseUri;
      }
  
      @Override
      public UriBuilder getBaseUriBuilder() {
          return UriBuilder.fromUri(baseUri);
      }
  
      @Override
      public MultivaluedMap<String, String> getPathParameters() {
          return getPathParameters(true);
      }
  
      @Override
      public MultivaluedMap<String, String> getPathParameters(boolean decode) {
          if (matchedMethod == null) return ReadOnlyMultivaluedMap.empty();
          Map<String, PathSegment> pp = matchedMethod.pathParams;
          if (pp.isEmpty()) return ReadOnlyMultivaluedMap.empty();
          MultivaluedMap<String, String> all = new MultivaluedHashMap<>(pp.size());
          for (Map.Entry<String, PathSegment> entry : pp.entrySet()) {
              String param = entry.getKey();
              String path = entry.getValue().getPath();
              if (!all.containsKey(param)) {
                  all.put(param, new ArrayList<>());
              }
              if (!decode) path = urlEncode(path);
              all.get(param).add(path);
          }
          return readOnly(all);
      }
  
      @Override
      public MultivaluedMap<String, String> getQueryParameters() {
          return getQueryParameters(true);
      }
  
      @Override
      public MultivaluedMap<String, String> getQueryParameters(boolean decode) {
          QueryStringDecoder qsd = new QueryStringDecoder(requestUri);
          MultivaluedHashMap<String, String> all = new MultivaluedHashMap<>();
          if (decode) {
              all.putAll(qsd.parameters());
          } else {
              for (Map.Entry<String, List<String>> entry : qsd.parameters().entrySet()) {
                  all.put(entry.getKey(), entry.getValue().stream().map(Mutils::urlEncode).collect(toList()));
              }
          }
          return readOnly(all);
      }
  
      @Override
      public List<String> getMatchedURIs() {
          return getMatchedURIs(true);
      }
  
      @Override
      public List<String> getMatchedURIs(boolean decode) {
          RequestMatcher.MatchedMethod mm = matchedMethod;
          if (mm == null) {
              return Collections.emptyList();
          }
          List<String> matchedURIs = new ArrayList<>();
          matchedURIs.add(decode ? Mutils.urlDecode(encodedRelativePath) : encodedRelativePath);
          String methodSpecific = mm.pathMatch.regexMatcher().group();
          String path = encodedRelativePath.replace("/" + methodSpecific, "");
          matchedURIs.add(decode ? Mutils.urlDecode(path) : path);
          return Collections.unmodifiableList(matchedURIs);
  
      }
  
      @Override
      public List<Object> getMatchedResources() {
          return matchedMethod == null ? Collections.emptyList() : Collections.singletonList(matchedMethod.matchedClass.resourceClass.resourceInstance);
      }
  
      @Override
      public URI resolve(URI relative) {
          return this.baseUri.resolve(relative);
      }
  
      @Override
      public URI relativize(URI uri) {
          URI relToBase = this.baseUri.resolve(uri);
          URI requestUriDir = this.requestUri.resolve(URI.create("."));
          return requestUriDir.relativize(relToBase);
      }
  
      @Override
      public String toString() {
          return getRequestUri().toString();
      }
  }
  