/*
    * Copyright 2014 The Netty Project
    *
    * The Netty Project 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:
    *
    *   https://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.netty.handler.codec.xml;
  
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * Generic XML element in document, {@link XmlElementStart} represents open element and provides access to attributes,
   * {@link XmlElementEnd} represents closing element.
   */
  public abstract class XmlElement {
  
      private final String name;
      private final String namespace;
      private final String prefix;
  
      private final List<XmlNamespace> namespaces = new ArrayList<XmlNamespace>();
  
      protected XmlElement(String name, String namespace, String prefix) {
          this.name = name;
          this.namespace = namespace;
          this.prefix = prefix;
      }
  
      public String name() {
          return name;
      }
  
      public String namespace() {
          return namespace;
      }
  
      public String prefix() {
          return prefix;
      }
  
      public List<XmlNamespace> namespaces() {
          return namespaces;
      }
  
      @Override
      public boolean equals(Object o) {
          if (this == o) {
              return true;
          }
          if (o == null || getClass() != o.getClass()) {
              return false;
          }
  
          XmlElement that = (XmlElement) o;
  
          if (!name.equals(that.name)) {
              return false;
          }
          if (namespace != null ? !namespace.equals(that.namespace) : that.namespace != null) {
              return false;
          }
          if (!namespaces.equals(that.namespaces)) {
              return false;
          }
          if (prefix != null ? !prefix.equals(that.prefix) : that.prefix != null) {
              return false;
          }
  
          return true;
      }
  
      @Override
      public int hashCode() {
          int result = name.hashCode();
          result = 31 * result + (namespace != null ? namespace.hashCode() : 0);
          result = 31 * result + (prefix != null ? prefix.hashCode() : 0);
          result = 31 * result + namespaces.hashCode();
          return result;
      }
  
      @Override
      public String toString() {
          return ", name='" + name + '\'' +
                  ", namespace='" + namespace + '\'' +
                  ", prefix='" + prefix + '\'' +
                  ", namespaces=" + namespaces;
      }
  
  }