/*
    * 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.logging.log4j.core.impl;
  
  import java.io.Serializable;
  
  import org.apache.logging.log4j.core.pattern.PlainTextRenderer;
  import org.apache.logging.log4j.core.pattern.TextRenderer;
  
  /**
   * Class and package data used with a {@link StackTraceElement} in a {@link ExtendedStackTraceElement}.
   */
  public final class ExtendedClassInfo implements Serializable {
  
      private static final long serialVersionUID = 1L;
  
      private final boolean exact;
  
      private final String location;
  
      private final String version;
  
      /**
       * Constructs a new instance.
       *
       * @param exact
       * @param location
       * @param version
       */
      public ExtendedClassInfo(final boolean exact, final String location, final String version) {
          super();
          this.exact = exact;
          this.location = location;
          this.version = version;
      }
  
      @Override
      public boolean equals(final Object obj) {
          if (this == obj) {
              return true;
          }
          if (obj == null) {
              return false;
          }
          if (!(obj instanceof ExtendedClassInfo)) {
              return false;
          }
          final ExtendedClassInfo other = (ExtendedClassInfo) obj;
          if (this.exact != other.exact) {
              return false;
          }
          if (this.location == null) {
              if (other.location != null) {
                  return false;
              }
          } else if (!this.location.equals(other.location)) {
              return false;
          }
          if (this.version == null) {
              if (other.version != null) {
                  return false;
              }
          } else if (!this.version.equals(other.version)) {
              return false;
          }
          return true;
      }
  
      public boolean getExact() {
          return this.exact;
      }
  
      public String getLocation() {
          return this.location;
      }
  
      public String getVersion() {
          return this.version;
      }
  
      @Override
      public int hashCode() {
          final int prime = 31;
          int result = 1;
          result = prime * result + (this.exact ? 1231 : 1237);
         result = prime * result + ((this.location == null) ? 0 : this.location.hashCode());
         result = prime * result + ((this.version == null) ? 0 : this.version.hashCode());
         return result;
     }
 
     public void renderOn(final StringBuilder output, final TextRenderer textRenderer) {
         if (!this.exact) {
             textRenderer.render("~", output, "ExtraClassInfo.Inexact");
         }
         textRenderer.render("[", output, "ExtraClassInfo.Container");
         textRenderer.render(this.location, output, "ExtraClassInfo.Location");
         textRenderer.render(":", output, "ExtraClassInfo.ContainerSeparator");
         textRenderer.render(this.version, output, "ExtraClassInfo.Version");
         textRenderer.render("]", output, "ExtraClassInfo.Container");
     }
 
     @Override
     public String toString() {
         final StringBuilder sb = new StringBuilder();
         renderOn(sb, PlainTextRenderer.getInstance());
         return sb.toString();
     }
 
 }