addlinks.java

是一个网站的博客系统

package com.opensource.blog.web.action;

import javax.servlet.http.*;

import org.apache.struts.action.*;
import com.opensource.blog.comm.*;
import com.opensource.blog.exception.*;
import com.opensource.blog.model.Links;
import com.opensource.blog.service.*;
import com.opensource.blog.web.form.*;
import com.opensource.blog.web.servlet.*;

public class AddLinks
    extends BaseAction {

  private LinksService linksService;

  public ActionForward execute(ActionMapping actionMapping, ActionForm actionForm,
                               HttpServletRequest servletRequest,
                               HttpServletResponse servletResponse) {
    ActionMessages errors = new ActionMessages();
    AddLinksForm form = (AddLinksForm) actionForm;
    UserSession us = this.getUserSession(servletRequest);
    if (form.getAction().equalsIgnoreCase("show")) {
      if (form.getLinktype() == 0) {
        form.setAction("addtext");
      }
      if (form.getLinktype() == 1) {
        form.setAction("addpic");
      }
      form.setId(0);
      form.setLinkimgsrc("http://");
      form.setLinktext("");
      form.setLinkurl("http://");
      return actionMapping.findForward("addlinks");
    }
    if (form.getAction().equalsIgnoreCase("addtext")) {
      if (this.getLinksService().getLinksCountByBlogID_Type(us.getBlog().getId().longValue(),
          Constant.LINK_TEXT) >= Constant.LINK_MAX_NUM) {
        errors.add("error.addlinks.linksnummax",
                   new ActionMessage("error.addlinks.linksnummax",
                                     String.valueOf(Constant.LINK_MAX_NUM)));
        saveErrors(servletRequest, errors);
        return actionMapping.findForward("error");
      }
      Links links = new Links();
      links.setBlogid(us.getBlog().getId().longValue());
      links.setLinkimgsrc("");
      links.setLinktext(form.getLinktext());
      links.setLinktype(form.getLinktype());
      links.setLinkurl(form.getLinkurl());
      try {
        links = this.getLinksService().saveLinks(links);
      }
      catch (BlogException ex) {
        errors.add("error.addlinks.addlink",
                   new ActionMessage("error.addlinks.addlink"));
        saveErrors(servletRequest, errors);
        return actionMapping.findForward("error");
      }
      ActionForward f = new ActionForward("/blogInfoHigh.do", true);
      return f;
    }
    if (form.getAction().equalsIgnoreCase("addpic")) {
      if (this.getLinksService().getLinksCountByBlogID_Type(us.getBlog().getId().longValue(),
          Constant.LINK_LOGO) > Constant.LINK_MAX_NUM) {
        errors.add("error.addlinks.linksnummax",
                   new ActionMessage("error.addlinks.linksnummax",
                                     String.valueOf(Constant.LINK_MAX_NUM)));
        saveErrors(servletRequest, errors);
        return actionMapping.findForward("error");
      }
      Links links = new Links();
      links.setBlogid(us.getBlog().getId().longValue());
      links.setLinkimgsrc(form.getLinkimgsrc());
      links.setLinktext(form.getLinktext());
      links.setLinktype(form.getLinktype());
      links.setLinkurl(form.getLinkurl());
      try {
        links = this.getLinksService().saveLinks(links);
      }
      catch (BlogException ex1) {
        errors.add("error.addlinks.addlink", new ActionMessage("error.addlinks.addlink"));
        saveErrors(servletRequest, errors);
        return actionMapping.findForward("error");
      }
      ActionForward f = new ActionForward("/blogInfoHigh.do", true);
      return f;
    }

    if (form.getAction().equalsIgnoreCase("edit")) {
      Links links = this.getLinksService().findLinksByID_BlogID(form.getId(),
          us.getBlog().getId().longValue());
      if (links == null) {
        errors.add("error.addlinks.getlink", new ActionMessage("error.addlinks.getlink"));
        saveErrors(servletRequest, errors);
        return actionMapping.findForward("error");
      }
      form.setAction("editdo");
      form.setId(links.getId().longValue());
      form.setLinkimgsrc(links.getLinkimgsrc());
      form.setLinktext(links.getLinktext());
      form.setLinktype(links.getLinktype());
      form.setLinkurl(links.getLinkurl());
      return actionMapping.findForward("addlinks");
    }

    if (form.getAction().equalsIgnoreCase("editdo")) {
      Links links = this.getLinksService().findLinksByID_BlogID(form.getId(),
          us.getBlog().getId().longValue());
      if (links == null) {
        errors.add("error.addlinks.getlink", new ActionMessage("error.addlinks.getlink"));
        saveErrors(servletRequest, errors);
        return actionMapping.findForward("error");
      }
      links.setLinktext(form.getLinktext());
      links.setLinktype(form.getLinktype());
      links.setLinkurl(form.getLinkurl());
      if (form.getLinktype() == 1) {
        links.setLinkimgsrc(form.getLinkimgsrc());
      }
      try {
        links = this.getLinksService().saveLinks(links);
      }
      catch (BlogException ex2) {
        errors.add("error.addlinks.uplink", new ActionMessage("error.addlinks.uplink"));
        saveErrors(servletRequest, errors);
        return actionMapping.findForward("error");
      }
      ActionForward f = new ActionForward("/blogInfoHigh.do", true);
      return f;
    }

    if (form.getAction().equalsIgnoreCase("del")) {
      Links links = this.getLinksService().findLinksByID_BlogID(form.getId(),
          us.getBlog().getId().longValue());
      if (links == null) {
        errors.add("error.addlinks.getlink", new ActionMessage("error.addlinks.getlink"));
        saveErrors(servletRequest, errors);
        return actionMapping.findForward("error");
      }
      try {
        this.getLinksService().removeLinks(links);
      }
      catch (BlogException ex3) {
        errors.add("error.addlinks.getlink", new ActionMessage("error.addlinks.getlink"));
        saveErrors(servletRequest, errors);
        return actionMapping.findForward("error");
      }
      ActionForward f = new ActionForward("/blogInfoHigh.do", true);
      return f;
    }
    return actionMapping.findForward("error");
  }

  public LinksService getLinksService() {
    return linksService;
  }

  public void setLinksService(LinksService linksService) {
    this.linksService = linksService;
  }
}