运行期异常

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * 运行期异常，一般来说是客户无法恢复的异常 发生异常时自动进行日志记录
 * 

 * 捕捉该异常后，可以通过getValueInfo()获取提示信息，若想获取原始异常信息则通过getMessage()进行;
 * 
 * @author FiliRon
 * @see
 */
public abstract class UnCheckedException extends RuntimeException {

 protected static final Log logger = LogFactory
   .getLog(UnCheckedException.class);

 /**
  * 根异常
  */

 private Throwable cause;

 /**
  * 经过翻译的界面友好的提示信息
  */
 private String valueInfo;

 public UnCheckedException(String msg) {
  super(msg);
  if (logger.isDebugEnabled()) {
   logger.debug(getMessage());
  }
  this.valueInfo = msg;
 }

 public UnCheckedException(String msg, Throwable ex) {
  super(msg);
  this.cause = ex;
  if (logger.isDebugEnabled()) {
   logger.debug(getMessage());
  }
  this.valueInfo = msg;
 }

 /**
  * 得到完整异常信息
  */
 public String getMessage() {
  if (this.cause == null || this.cause == this) {
   return super.getMessage();
  } else {
   return super.getMessage() + ";\n嵌套异常是 "
     + this.cause.getClass().getName() + ": "
     + this.cause.getMessage();
  }
 }

 /**
  * 获取该异常友好提示信息
  * 
  * @return
  */
 public String getValueInfo() {
  return this.valueInfo;
 }
}