Java tutorial
/* * Copyright 2005-2013 iterzp.com. All rights reserved. * Support: http://www.iterzp.com * License: http://www.iterzp.com/license */ package com.iterzp.momo.service.impl; import java.awt.image.BufferedImage; import javax.annotation.Resource; import org.apache.commons.lang.ArrayUtils; import org.apache.commons.lang.StringUtils; import org.springframework.stereotype.Service; import com.iterzp.momo.entity.Setting; import com.iterzp.momo.entity.Setting.CaptchaType; import com.iterzp.momo.service.CaptchaService; import com.iterzp.momo.utils.SettingUtils; /** * ????? * @author canfly * @version 1.0 */ @Service("captchaServiceImpl") public class CaptchaServiceImpl implements CaptchaService { @Resource(name = "imageCaptchaService") private com.octo.captcha.service.CaptchaService imageCaptchaService; @Override public BufferedImage buildImage(String captchaId) { return (BufferedImage) imageCaptchaService.getChallengeForID(captchaId); } @Override public boolean isValid(CaptchaType captchaType, String captchaId, String captcha) { Setting setting = SettingUtils.get(); if (captchaType == null || ArrayUtils.contains(setting.getCaptchaTypes(), captchaType)) { if (StringUtils.isNotEmpty(captchaId) && StringUtils.isNotEmpty(captcha)) { try { return imageCaptchaService.validateResponseForID(captchaId, captcha.toUpperCase()); } catch (Exception e) { return false; } } else { return false; } } else { return true; } } }