/**
    * Logback: the reliable, generic, fast and flexible logging framework.
    * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
    *
    * This program and the accompanying materials are dual-licensed under
    * either the terms of the Eclipse Public License v1.0 as published by
    * the Eclipse Foundation
    *
    *   or (per the licensee's choosing)
   *
   * under the terms of the GNU Lesser General Public License version 2.1
   * as published by the Free Software Foundation.
   */
  package ch.qos.logback.classic.spi;
  
  import java.io.Serializable;
  import java.util.Arrays;
  
  public class ThrowableProxyVO implements IThrowableProxy, Serializable {
  
      private static final long serialVersionUID = -773438177285807139L;
  
      private String className;
      private String overridingMessage;
      private String message;
      private int commonFramesCount;
      private StackTraceElementProxy[] stackTraceElementProxyArray;
      private IThrowableProxy cause;
      private IThrowableProxy[] suppressed;
      private boolean cyclic;
  
      public String getMessage() {
          return message;
      }
      /**
       * Return the overriding message if any. This method returns null
       * if there is no overriding message.
       *
       * <p>Overriding message exists only if the original throwable implementation overrides the toString() method.</p>
       *
       * @return the overriding message or null
       * @since 1.5.22
       */
      @Override
      public String getOverridingMessage() { return overridingMessage;}
  
      public String getClassName() {
          return className;
      }
  
      public int getCommonFrames() {
          return commonFramesCount;
      }
  
      public IThrowableProxy getCause() {
          return cause;
      }
  
      public StackTraceElementProxy[] getStackTraceElementProxyArray() {
          return stackTraceElementProxyArray;
      }
  
      public IThrowableProxy[] getSuppressed() {
          return suppressed;
      }
  
      public boolean isCyclic() {
          return cyclic;
      }
  
      @Override
      public int hashCode() {
          final int prime = 31;
          int result = 1;
          result = prime * result + ((className == null) ? 0 : className.hashCode());
          return result;
      }
  
      @Override
      public boolean equals(Object obj) {
          if (this == obj)
              return true;
          if (obj == null)
              return false;
          if (getClass() != obj.getClass())
              return false;
          final ThrowableProxyVO other = (ThrowableProxyVO) obj;
  
          if (className == null) {
              if (other.className != null)
                  return false;
          } else if (!className.equals(other.className))
              return false;
  
          if (!Arrays.equals(stackTraceElementProxyArray, other.stackTraceElementProxyArray))
              return false;
  
          if (!Arrays.equals(suppressed, other.suppressed))
              return false;
 
         if (cause == null) {
             if (other.cause != null)
                 return false;
         } else if (!cause.equals(other.cause))
             return false;
 
         return true;
     }
 
     public static ThrowableProxyVO build(IThrowableProxy throwableProxy) {
         if (throwableProxy == null) {
             return null;
         }
         ThrowableProxyVO tpvo = new ThrowableProxyVO();
         tpvo.className = throwableProxy.getClassName();
         tpvo.message = throwableProxy.getMessage();
         tpvo.overridingMessage = throwableProxy.getOverridingMessage();
         tpvo.commonFramesCount = throwableProxy.getCommonFrames();
         tpvo.stackTraceElementProxyArray = throwableProxy.getStackTraceElementProxyArray();
         tpvo.cyclic = throwableProxy.isCyclic();
 
         IThrowableProxy cause = throwableProxy.getCause();
         if (cause != null) {
             tpvo.cause = ThrowableProxyVO.build(cause);
         }
         IThrowableProxy[] suppressed = throwableProxy.getSuppressed();
         if (suppressed != null) {
             tpvo.suppressed = new IThrowableProxy[suppressed.length];
             for (int i = 0; i < suppressed.length; i++) {
                 tpvo.suppressed[i] = ThrowableProxyVO.build(suppressed[i]);
             }
         }
 
         return tpvo;
     }
 }