/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF 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 org.apache.maven.cli.logging.impl;
  
  import java.net.URL;
  import java.util.Map;
  import java.util.Set;
  
  import org.apache.maven.cli.logging.BaseSlf4jConfiguration;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Pseudo-configuration for unsupported slf4j binding.
   *
   * @author Hervé Boutemy
   * @since 3.2.4
   */
  public class UnsupportedSlf4jBindingConfiguration extends BaseSlf4jConfiguration {
      private final Logger logger = LoggerFactory.getLogger(UnsupportedSlf4jBindingConfiguration.class);
  
      private String slf4jBinding;
  
      private Map<URL, Set<Object>> supported;
  
      public UnsupportedSlf4jBindingConfiguration(String slf4jBinding, Map<URL, Set<Object>> supported) {
          this.slf4jBinding = slf4jBinding;
          this.supported = supported;
      }
  
      @Override
      public void activate() {
          logger.warn("The SLF4J binding actually used is not supported by Maven: {}", slf4jBinding);
          logger.warn("Maven supported bindings are:");
  
          String ls = System.lineSeparator();
  
          for (Map.Entry<URL, Set<Object>> entry : supported.entrySet()) {
              StringBuilder sb = new StringBuilder();
              sb.append("(from ").append(entry.getKey().toExternalForm()).append(')');
  
              for (Object binding : entry.getValue()) {
                  sb.append(ls).append("- ").append(binding);
              }
  
              logger.warn(sb.toString());
          }
      }
  }