/**
    * Logback: the reliable, generic, fast and flexible logging framework.
    * Copyright (C) 1999-2011, 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 = 685387990886325422L;
    
    private String className;
    private String message;
    private int commonFramesCount;
    private StackTraceElementProxy[] stackTraceElementProxyArray;
    private IThrowableProxy cause;
  
  
    public String getMessage() {
      return message;
    }
    
    public String getClassName() {
      return className;
    }
  
    public int getCommonFrames() {
      return commonFramesCount;
    }
  
    public IThrowableProxy getCause() {
      return cause;
    }
    
    public StackTraceElementProxy[] getStackTraceElementProxyArray() {
      return stackTraceElementProxyArray;
    }
  
    @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 (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.commonFramesCount = throwableProxy.getCommonFrames();
      tpvo.stackTraceElementProxyArray = throwableProxy.getStackTraceElementProxyArray();
      if(throwableProxy.getCause() != null) {
        tpvo.cause = ThrowableProxyVO.build(throwableProxy.getCause());
      }
      return tpvo;
   }
 }