basecommand.java

来自「EasyJWeb是基于java技术」· Java 代码 · 共 42 行

package com.easyjf.core.support;

import java.util.ArrayList;
import java.util.List;

abstract public class BaseCommand implements ICommand {

	protected List<String> errors = new ArrayList<String>();

	public void notNull(Object obj, String name) {
		if (obj == null) {
			errors.add(name + "不能为空");
		}
		if (obj instanceof String) {
			String str = (String) obj;
			if (str.trim().equals("")) {
				errors.add(name + "不能为空");
			}
		}
	}

	public void isNumber(Object obj, String name) {
		this.notNull(obj, name);
		String str = obj == null ? "" : obj.toString();
		boolean ret = str.matches("\\d*");
		if (!ret) {
			errors.add(name + "必须为数字");
		}
	}

	public void isString(Object obj, String name) {
		this.notNull(obj, name);
		String str = (String) obj;
		boolean ret = str.matches("\\w*");
		if (!ret) {
			errors.add(name + "必须为文本");
		}
	}

	abstract public List<String> vaild();
}