异常抛出类

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package com.lz.ctsframework.core.support;import java.text.MessageFormat;/** *  * <b>类说明：</b>Service层统一抛出的异常 *  * <p> * <b>详细描述：</b> *  * @author liuhuanchao * @since 2016-04-18 */public class ServiceException extends RuntimeException {    private static final long serialVersionUID = 6514891174875747380L;    /** 异常错误码 **/    private String code;    /** 异常描述 **/    private String msg;     /** 扩展异常描述（包括msg） **/    private String extMsg;    /**     * ServiceException构造方法，有format字符组     * @param errorCode 错误码     * @param param     format字符组     * @param extMsg    扩展信息，给出具体的错误值信息等     */    public ServiceException(ErrorCode errorCode,String param[],String ... extMsg) {        super(null==errorCode ? "" : errorCode.getCode());        init(errorCode, param,extMsg);    }    /**     * ServiceException构造方法，有format字符组     * @param errCode     * @param paramsList     */    public ServiceException(ErrorCode errCode, Object... paramsList) {        Object[] params = null;        if ((paramsList != null) && (paramsList.length > 0)                 && ((paramsList[(paramsList.length - 1)] instanceof Throwable)))         {            Object[] newParam = new Object[paramsList.length - 1];            System.arraycopy(paramsList, 0, newParam, 0, newParam.length);            params = newParam;            super.initCause((Throwable)paramsList[(paramsList.length - 1)]);        }        else {            params = paramsList;            super.initCause(null);        }        this.code = null==errCode ? "" : errCode.getCode();        this.msg = null==errCode ? "" :  MessageFormat.format(errCode.getMsg(),params);          this.extMsg = this.msg;    }    private void init(ErrorCode errorCode, String param[], String... extMsg) {        this.code = null==errorCode ? "" : errorCode.getCode();        this.msg = null==errorCode ? "" : MessageFormat.format(errorCode.getMsg(),param);        StringBuilder builder = new StringBuilder(100);        builder.append(this.msg);        if(null != extMsg){            for(String ext : extMsg ){                builder.append("[").append(ext).append("]");            }        }        this.extMsg = builder.toString();    }    /**     *      * @param code  错误码     * @param msg 描述信息     */    public ServiceException(String code, String msg) {        super(code+":"+msg);        this.code = code;        this.msg = msg;    }    /**     * 带Exception的构造方法，传format字符数组     * @param errorCode 错误码基类     * @param e  异常     * @param extMsg    扩展信息，给出具体的错误值信息等     */    public ServiceException(ErrorCode errorCode, Throwable e,String param[] , String ...extMsg ) {        super(null==errorCode ? "" : errorCode.getCode(), e);        init(errorCode, param, extMsg);    }    /**     *      * @param code 错误码     * @param msg 描述信息     * @param e  异常     */    /*public ServiceException(String code, String msg,Throwable e) {super(code+":"+msg, e);this.code = code;this.msg = msg; }*/    /**     *      *      * 方法说明：异常错误码     *      * @return     */    public String getCode() {        return code;    }    /**     *      *      * 方法说明：异常描述信息     *      * @return     */    public String getMsg() {        return msg;    }    public String getExtMsg() {        return extMsg;    }    @Override    public String getMessage() {        return super.getMessage() + ","+extMsg;    }    public static void main(String[] args) {    }}
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