自定义异常三

自定义异常三-1

import java.text.MessageFormat;

/**
 * 账户异常类
 * 
 * 该类定义了一些账户里存在的异常 并且不同的code 对应了不同的异常情况
 * 
 * 
 */
public class FundAccountException extends RuntimeException {

    private static final long serialVersionUID = 618428211364837565L;
    
    /**
     * 不合法余额，比如余额为负
     */
    public static final FundAccountException INVALID_BALANCE = new FundAccountException("invalid_balance");

    private String message;
    
    private String code;
    
    protected FundAccountException(String code) {
        this.code = code;
    }

    /**
     * 实例化账户异常 错误信息：a_message ：String(类型) 参数列表：a_params ：Object[] (类型)
     * 
     * @param message
     * @param params
     * @return AccountException 账户异常
     */
    public FundAccountException newInstance(String message, Object... params) {
        FundAccountException e = new FundAccountException(this.code);
        e.setMessage(message, params);
        return e;
    }

    
    public void setMessage(String message, Object... args) {
        this.message = MessageFormat.format(message, args);
    }

    public String getCode() {
        return code;
    }

    public String getMessage() {
        return message;
    }
}

自定义异常三-2

抽象类

import org.apache.commons.lang3.StringUtils;

/**
 *  *
 */
public abstract class BaseException extends RuntimeException {
    
    private static final long serialVersionUID = 4151720706285185333L;
    
    protected static final String _CODE="exception.";
    /**
     * 错误代码
     */
    private String code;
    
    /**
     * 模块
     */
    private String module;
    
    /**
     * 错误码对应的参数
     */
    private Object[] args;

    public Object[] getArgs() {
        return args;
    }

    public void setArgs(Object[] args) {
        this.args = args;
    }

    public BaseException(String module,String code) {
        this.module = module;
        this.code = _CODE+code;
    }

    public BaseException(String module,String code, String message) {
        super(message);
        this.module = module;
        this.code = _CODE+code;
    }

    public BaseException(String module,String code,String message, Throwable cause) {
        super(message,cause);
        this.module = module;
        this.code = _CODE+code;
    }
    
    public BaseException(String module,String code,String message, Throwable cause,Object[] args) {
        super(message,cause);
        this.module = module;
        this.code = _CODE+code;
        this.args = args;
    }
    
    public String getCode() {
        return code;
    }
    
    public abstract String getSuperCode();

    public String toString(){
        return new StringBuilder().append("Exception:["+this.getClass().getName()+"],module:["+StringUtils.defaultString(module)+"],code:["+StringUtils.defaultString(code)+"],message:["+StringUtils.defaultString(getMessage())+"],args:["+StringUtils.join(args, ",")+"]").toString();
    }

    @Override
    public boolean equals(Object obj) {
        if(obj==null){
            return false;
        }
        if (this == obj) {
            return true;
        }
        if (obj instanceof BaseException) {
            BaseException other = (BaseException)obj;
            return this.getCode().equals(other.getCode());
        }
        return false;
    }
}

实现类

/**
 * 付款会员状态异常
 * @author sxf
 *
 */
public class PaymentMemberStateException extends BaseException{

    /**
     * 
     */
    private static final long serialVersionUID = -8508340203244322249L;
    
protected static final String _CODE="payment.member.state";
    
    protected static final String DOT=".";

    public PaymentMemberStateException(String module, String code,String message, Throwable cause, Object[] args) {
        super(module, _CODE+code, message, cause, args);
        
    }

    public PaymentMemberStateException(String module, String code,String message, Throwable cause) {
        super(module,  _CODE+code, message, cause);
    }

    public PaymentMemberStateException(String module, String code,String message) {
        super(module,  _CODE+code, message);
    }

    public PaymentMemberStateException(String module, String code) {
        super(module, _CODE+code);
    }

    @Override
    public String getSuperCode() {
        String code = super._CODE+_CODE;
        return StringUtils.substringBeforeLast(code, DOT);
    }
    
    
    
    
}