userfacetag.java

java论坛

package com.laoer.bbscs.web.taglib;

import javax.servlet.jsp.tagext.*;
import javax.servlet.jsp.JspException;
import org.apache.struts.taglib.TagUtils;
import com.laoer.bbscs.bean.UserInfoSimple;
import com.laoer.bbscs.comm.BBSCSUtil;
import org.springframework.web.context.support.WebApplicationContextUtils;
import org.springframework.web.context.WebApplicationContext;
import com.laoer.bbscs.service.UserService;
import com.laoer.bbscs.service.config.SysConfig;
import com.laoer.bbscs.comm.Constant;

/**
 * <p>Title: Tianyi BBS</p>
 *
 * <p>Description: BBSCS</p>
 *
 * <p>Copyright: Copyright (c) 2006</p>
 *
 * <p>Company: Laoer.com</p>
 *
 * @author Gong Tianyi
 * @version 7.0
 */
public class UserFaceTag
    extends TagSupport {

  protected String name = "";

  protected String property = null;

  protected String scope = null;

  private String facePicName = "images/defaultFace.gif";

  public UserFaceTag() {
  }

  public int doStartTag() throws JspException {
    return (SKIP_BODY);
  }

  public int doEndTag() throws JspException {

    Object value = TagUtils.getInstance().lookup(pageContext, name, property, scope);
    StringBuffer sb = new StringBuffer();
    if (value == null) {
      sb.append("<img src=\"");
      sb.append(facePicName);
      sb.append("\" alt=\"Face\" />");
      TagUtils.getInstance().write(pageContext, sb.toString());
      return (SKIP_BODY);
    }

    String userId = (String) value;

    if (userId.startsWith(Constant.GUEST_USERID)) { //游客
      sb.append("<img src=\"");
      sb.append(facePicName);
      sb.append("\" alt=\"Face\" />");

    }
    else { //正常用户

      WebApplicationContext wc = WebApplicationContextUtils.getWebApplicationContext(this.
          pageContext.getServletContext());

      UserService us = (UserService) wc.getBean("userService");
      //SysConfig sysConfig = (SysConfig) wc.getBean("sysConfig");
      UserInfoSimple uis = us.getUserInfoSimple(userId);

      if (uis.getHavePic() == 1 && !uis.getPicFileName().equals("-")) {
        sb.append("<a href=\"");
        sb.append(BBSCSUtil.getUserWebPath(uis.getId()));
        sb.append(uis.getPicFileName());
        sb.append("\" target=\"_blank\">");
        sb.append("<img src=\"");
        sb.append(BBSCSUtil.getUserWebPath(uis.getId()));
        sb.append(uis.getPicFileName());
        sb.append(Constant.IMG_SMALL_FILEPREFIX);
        sb.append("\" alt=\"Face\" border=\"0\" class=\"pic1\"/>");
        sb.append("</a>");
      }
      else {
        sb.append("<img src=\"");
        sb.append(facePicName);
        sb.append("\" alt=\"Face\" />");
      }
    }
    //sb.append(sysConfig.getFaceWidth());
    //sb.append("\" height=\"");
    //sb.append(sysConfig.getFaceHigh());
    //sb.append("\" />");
    TagUtils.getInstance().write(pageContext, sb.toString());
    return (SKIP_BODY);
  }

  public String getName() {
    return name;
  }

  public String getProperty() {
    return property;
  }

  public String getScope() {
    return scope;
  }

  public void setName(String name) {
    this.name = name;
  }

  public void setProperty(String property) {
    this.property = property;
  }

  public void setScope(String scope) {
    this.scope = scope;
  }
}