| 0,0 → 1,87 |
|---|
| package ak.hostadmiral.core.taglib.list; |
| |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.jsp.JspException; |
| import org.apache.struts.taglib.html.LinkTag; |
| import org.apache.struts.util.RequestUtils; |
| import ak.backpath.BackPath; |
| import ak.hostadmiral.util.CollectionInfo; |
| |
| public abstract class PageTagBase |
| extends LinkTag |
| { |
| public static String BACKPATH_KEY = BackPath.DEFAULT_KEY + "_list"; |
| public static String PAGE_PARAM_NAME = "pg"; |
| |
| protected String infoBean = null; |
| |
| public String getInfoBean() |
| { |
| return this.infoBean; |
| } |
| |
| public void setInfoBean(String infoBean) |
| { |
| this.infoBean = infoBean; |
| } |
| |
| protected String infoProperty = null; |
| |
| public String getInfoProperty() |
| { |
| return this.infoProperty; |
| } |
| |
| public void setInfoProperty(String infoProperty) |
| { |
| this.infoProperty = infoProperty; |
| } |
| |
| protected BackPath findBackPath() |
| throws JspException |
| { |
| try { |
| return BackPath.findBackPath((HttpServletRequest)pageContext.getRequest(), |
| BACKPATH_KEY, BackPath.DEFAULT_PARAM, |
| new String[] { "backpath", PAGE_PARAM_NAME }, |
| BackPath.DEFAULT_ZIP); |
| } |
| catch(Exception ex) { |
| throw new JspException(ex); |
| } |
| } |
| |
| protected String calculateURL() |
| throws JspException |
| { |
| String urlStr = findBackPath().getCurrentUrl(); |
| if(urlStr == null) return "/"; |
| |
| StringBuffer url = new StringBuffer(urlStr); |
| boolean hasParams = (url.indexOf("?") > 0); |
| |
| if(hasParams) |
| url.append("&").append(PAGE_PARAM_NAME + "=").append(getDisplayPage()); |
| else |
| url.append("?").append(PAGE_PARAM_NAME + "=").append(getDisplayPage()); |
| |
| return url.toString(); |
| } |
| |
| protected abstract int getDisplayPage() |
| throws JspException; |
| |
| protected CollectionInfo getCollectionInfo() |
| throws JspException |
| { |
| return (CollectionInfo) |
| RequestUtils.lookup(pageContext, infoBean, infoProperty, null); |
| } |
| |
| public void release() |
| { |
| super.release(); |
| infoBean = null; |
| infoProperty = null; |
| } |
| } |