Java tutorial
/* * Copyright 2012-2016 bambooCORE, greenstep of copyright Chen Xin Nien * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * ----------------------------------------------------------------------- * * author: Chen Xin Nien * contact: chen.xin.nien@gmail.com * */ package com.netsteadfast.greenstep.util; import java.util.LinkedHashMap; import java.util.List; import java.util.Map; import org.apache.commons.lang3.StringUtils; import com.netsteadfast.greenstep.base.AppContext; import com.netsteadfast.greenstep.base.exception.ServiceException; import com.netsteadfast.greenstep.po.hbm.TbSysIcon; import com.netsteadfast.greenstep.service.ISysIconService; import com.netsteadfast.greenstep.vo.SysIconVO; @SuppressWarnings("unchecked") public class IconUtils { public static final String ICON_FOLDER = "./icons/"; private static ISysIconService<SysIconVO, TbSysIcon, String> sysIconService; static { sysIconService = (ISysIconService<SysIconVO, TbSysIcon, String>) AppContext .getBean("core.service.SysIconService"); } public static ISysIconService<SysIconVO, TbSysIcon, String> getSysIconService() { return sysIconService; } public static void setSysIconService(ISysIconService<SysIconVO, TbSysIcon, String> sysIconService) { IconUtils.sysIconService = sysIconService; } public static String getUrl(String basePath, String iconId) throws ServiceException, Exception { String url = ""; if (StringUtils.isBlank(iconId)) { return url; } TbSysIcon sysIcon = new TbSysIcon(); sysIcon.setIconId(iconId); sysIcon = sysIconService.findByEntityUK(sysIcon); if (sysIcon != null && StringUtils.defaultString(sysIcon.getFileName()).trim().length() > 0) { url = basePath + "/" + ICON_FOLDER + StringUtils.defaultString(sysIcon.getFileName()); } return url; } public static String getMenuIcon(String basePath, String iconId) throws ServiceException, Exception { String img = getHtmlImg(basePath, iconId); if (!"".equals(img)) { img += " "; } return img; } public static String getHtmlImg(String basePath, String iconId) throws ServiceException, Exception { String img = ""; String url = ""; if (!"".equals(url = getUrl(basePath, iconId))) { img = "<img src='" + url + "' border='0' />"; } return img; } public static Map<String, String> getIconsSelectData() throws ServiceException, Exception { Map<String, String> dataMap = new LinkedHashMap<String, String>(); List<TbSysIcon> iconList = sysIconService.findListByParams(null); if (null == iconList || iconList.size() < 1) { return dataMap; } for (TbSysIcon entity : iconList) { String label = "<img src='./icons/" + entity.getFileName() + "' border='0'/> " + entity.getIconId(); dataMap.put(entity.getOid(), label); } return dataMap; } }