content: /*
   * Copyright 2021-2024 Aklivity Inc.
   *
   * Aklivity licenses this file to you under the Apache License,
   * version 2.0 (the "License"); you may not use this file except in compliance
   * with the License. You may obtain a copy of the License at:
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
   * License for the specific language governing permissions and limitations
   * under the License.
   */
  package io.aklivity.zilla.runtime.binding.amqp.internal.config;
  
  import java.util.regex.Matcher;
  import java.util.regex.Pattern;
  
  import io.aklivity.zilla.runtime.binding.amqp.config.AmqpConditionConfig;
  import io.aklivity.zilla.runtime.binding.amqp.internal.types.AmqpCapabilities;
  
  public final class AmqpConditionMatcher
  {
      private final Matcher addressMatch;
      private final AmqpCapabilities capabilitiesMatch;
  
      public AmqpConditionMatcher(
          AmqpConditionConfig condition)
      {
          this.addressMatch = condition.address != null ? asMatcher(condition.address) : null;
          this.capabilitiesMatch = condition.capabilities;
      }
  
      public boolean matches(
          String topic,
          AmqpCapabilities capabilities)
      {
          return matchesAddress(topic) &&
                  matchesCapabilities(capabilities);
      }
  
      private boolean matchesAddress(
          String topic)
      {
          return this.addressMatch == null || this.addressMatch.reset(topic).matches();
      }
  
      private boolean matchesCapabilities(
          AmqpCapabilities capabilities)
      {
          return this.capabilitiesMatch == null || (this.capabilitiesMatch.value() & capabilities.value()) != 0;
      }
  
      private static Matcher asMatcher(
          String wildcard)
      {
          return Pattern.compile(wildcard
                  .replace(".", "\\.")
                  .replace("$", "\\$")
                  .replace("+", "[^/]*")
                  .replace("#", ".*")).matcher("");
      }
  }
  