Java 自定义错误类【转】

原文地址 ：[url] http://www.cnblogs.com/likwo/archive/2010/08/03/1791187.html[/url]

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public class MyException extends Exception
{
    private static final long serialVersionUID = 1L;
    private Type type;
    
    public MyException( Type type )
    {
        super();
        this.type = type;
    }

    public MyException( Throwable t, Type type )
    {
        super( t );
        this.type = type;
    }

    public String toString() {
        return super.toString() + "<" + getErrorType().getErrorCode() + ">";
    }
    
    public Type getErrorType()
    {
        return type;
    }
    
    public enum Type
    {
        // 系统错误
        SYSTEM_ERROR( "99999" ),
       
        // 用户认证错误
        USER_AUTH( "03003" );
        
        private String errorCode;

        Type( String errorCode )
        {
            this.errorCode = errorCode;
        }

        public String getErrorCode()
        {
            return this.errorCode;
        }
    }
}