topictag.java

野蔷薇论坛源码 java 自己看看吧。 学习用

/* 
 * Created on 2007-3-29
 * Last modified on 2007-9-28
 * Powered by YeQiangWei.com
 */
package com.yeqiangwei.club.view.tag;

import java.io.IOException;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.jsp.JspTagException;
import javax.servlet.jsp.tagext.TagSupport;

import org.apache.log4j.Logger;

import com.yeqiangwei.club.service.security.UserPower;
import com.yeqiangwei.club.controller.form.TopicPostForm;
import com.yeqiangwei.club.view.model.ManageLogView;
import com.yeqiangwei.club.view.model.TopicView;
import com.yeqiangwei.club.view.model.ReplyView;
import com.yeqiangwei.club.view.util.EnCoder;
import com.yeqiangwei.club.view.util.ViewCoder;
import com.yeqiangwei.club.view.util.UrlUtils;
import com.yeqiangwei.html.OutPrint;
import com.yeqiangwei.util.ParamUtils;
import com.yeqiangwei.util.StringHelper;
import com.yeqiangwei.util.Validator;

public class TopicTag extends TagSupport{
	
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	
	private static final Logger logger = Logger.getLogger(TopicTag.class);

	private HttpServletRequest request;
	
	private TopicView topic;
	
	private ReplyView reply;
	
	private Object object;
	
	private String type;
	
	private String topicStr;
	
	//private String contentStr;
	
	private boolean escapeUBB = false;
	
	private UserPower userPower;

	public void setObject(Object object) {
		this.object = object;
	}

	public void setEscapeUBB(boolean escapeUBB) {
		this.escapeUBB = escapeUBB;
	}

	public void setTopicStr(String topicStr) {
		this.topicStr = topicStr;
	}
	
	public void setType(String type) {
		this.type = type;
	}

	public void setReply(ReplyView reply) {
		this.reply = reply;
	}

	public void setRequest(HttpServletRequest request) {
		this.request = request;
	}

	public void setTopic(TopicView topic) {
		this.topic = topic;
	}
	
	public void initialize(){
		if(!Validator.isEmpty(object)){
    		if(object instanceof TopicView){
    			topic = (TopicView) object;
    			object = null;
    		}
    		else if(object instanceof ReplyView){
    			reply = (ReplyView) object;
    			object = null;
    		}
    	}
	}
	
	private String quoteUtil(int storey, String userName, String title, String content, int len){
		if(Validator.isEmpty(content)&&Validator.isEmpty(title)){
			return "";
		}
		if(Validator.isEmpty(content)){
			content = title;
		}
		StringBuffer sb = new StringBuffer();
		if(storey!=-1){
			//String quote = StringHelper.ubbPattern(content,"\\[quote=(.*?)\\](.*?)\\[/quote\\]","[quote=$1]$2[/quote]","");
			content = StringHelper.ubbPattern(content,"\\[quote=(.*?)\\](.*?)\\[/quote\\]","","");
			content = StringHelper.substring(content,0,200,"");
			int s = content.lastIndexOf("[");
			int e = content.lastIndexOf("]");
			if(s>e){
				content = StringHelper.substring(content,0,s,"");
			}
			if(len>200){
				content += "...";
			}
			sb.append("[quote=");
			sb.append(userName);
			if(storey==0){
				sb.append(ViewCoder.getStorey(storey));
				sb.append("说]");
			}
			else if(storey<4){
				sb.append("坐在");
				sb.append(ViewCoder.getStorey(storey));
				sb.append("上说：]");
			}
			else{
				sb.append("站在");
				sb.append(ViewCoder.getStorey(storey));
				sb.append("说：]");
			}
			//sb.append(quote);
			sb.append(content);
			sb.append("[/quote]<br/>");
		}else{
			sb.append(content);
		}
		return sb.toString();
	}
	

	public int doEndTag() throws JspTagException{ 
        StringBuffer sb = new StringBuffer();
        if(type.equals("title")){
        	if(topicStr==null){topicStr="";}
        	else{
        		topicStr = StringHelper.htmlEncoder(topicStr);
        	}
        	sb.append(topicStr);
        }
        else if(type.equals("content")){
        	this.initialize();
        	String content = "";
        	if(!Validator.isEmpty(topic)){
        		content = ViewCoder.getContent(request, topic, escapeUBB);
        		content = content.replaceAll("alt=\"\"", "alt=\""+topic.getTitle()+"\"");
	        }
	        else if(!Validator.isEmpty(reply)){
	        	content = ViewCoder.getContent(request, reply, escapeUBB);
	        	content = content.replaceAll("alt=\"\"", "alt=\""+reply.getTitle()+"\"");
	        }
        	sb.append(content);
        }
        else if(type.equals("editcontent")){
        	this.initialize();
        	int storey = ParamUtils.getIntParameter(request,"storey",-1);
        	String act = ParamUtils.getStringParameter(request,"act",null);
        	String content = "";
        	TopicPostForm form = (TopicPostForm) request.getAttribute("TopicPostForm");
    		if(request.getMethod().equals("POST")&&!Validator.isEmpty(form)){
    			if(!escapeUBB){
        			content = StringHelper.htmlEncoder(form.getContent());
        			content = EnCoder.simpleTag(content);
        		}else{
        			content = StringHelper.htmlEncoder(form.getContent());
        			content = EnCoder.advancedTag(content);
        		}
    		}
    		else if(!Validator.isEmpty(act)&&act.equals("addreply")&&storey==-1){
    			
    		}
    		else{
            	if(!Validator.isEmpty(topic)){
    	        	if(storey==-1){
    	        		content = ViewCoder.getContent(request, topic, escapeUBB);
    	        	}else{ //如果是引用
    	        		content = topic.getContent();
    	        		content = (this.quoteUtil(storey, topic.getUserName(), topic.getTitle(),content, topic.getContentLength()));
    	        	}
    	        }
    	        else if(!Validator.isEmpty(reply)){
    	        	if(storey==-1){
    	        		content = ViewCoder.getContent(request, reply, escapeUBB);
    	        	}else{ //如果是引用
    	        		content = reply.getContent();
    	        		content = (this.quoteUtil(storey, reply.getUserName(), reply.getTitle(),content, reply.getContentLength()));
    	        	}
    	        }
    		}
    		sb.append(content);
        	content = null;
        }
        else if(type.equals("penName")){
        	this.initialize();
	        if(!Validator.isEmpty(topic)&&!Validator.isEmpty(topic.getUser())){
	        	sb.append("<div class=\"\">");
	        	sb.append(topic.getUser().getPenName());
	        	sb.append("</div>");
	        }
	        else if(!Validator.isEmpty(reply)&&!Validator.isEmpty(reply.getUser())){
	        	sb.append("<div class=\"\">");
	        	sb.append(reply.getUser().getPenName());
	        	sb.append("</div>");
	        }
        }
        else if(type.equals("signatures")){
        	this.initialize();
        	 if(!Validator.isEmpty(topic)
        			 && !Validator.isEmpty(topic.getUser())
        			 && topic.getListSignatures()>0
        			 && !Validator.isEmpty(topic.getUser().getSignatures())
        	 )
        	 {
				sb.append("<div class=\"sig\">");
				sb.append(ViewCoder.signaturesFilter(topic.getUser().getSignatures()));
				sb.append("</div>");
        	 }
        	 else if(!Validator.isEmpty(reply)
        			 &&!Validator.isEmpty(reply.getUser())
        			 &&reply.getListSignatures()>0
        			 &&!Validator.isEmpty(reply.getUser().getSignatures())
        	 )
        	 {
         		sb.append("<div class=\"sig\">");
         		sb.append(ViewCoder.signaturesFilter(reply.getUser().getSignatures()));
         		sb.append("</div>");
        	 }
        }
        else if(type.equals("copyright")){
        	this.initialize();
        	if(!Validator.isEmpty(topic)&&(topic.getCopyright()>0))
          	{
        		sb.append(ViewCoder.copyright(topic.getCopyright()));
          	}
          	else if(!Validator.isEmpty(reply)&&(reply.getCopyright()>0))
          	{
          		sb.append(ViewCoder.copyright(reply.getCopyright()));
          	}
        }
        else if(type.equals("userIp")){
        	this.initialize();
        	if(this.getUserPower().canAccess(request,UserPower.BROWSEPOWER,9)){
            	if(!Validator.isEmpty(topic)){
            		sb.append("IP:");
            		sb.append(topic.getUserIp());
            	}
            	else if(!Validator.isEmpty(reply)){
            		sb.append("IP:");
            		sb.append(reply.getUserIp());
            	}	
        	}
        }
        else if(type.equals("manageLog")){
        	List<ManageLogView> list = null;
        	this.initialize();
        	if(!Validator.isEmpty(topic)){
        		list = topic.getManageLogList();
        	}else if(!Validator.isEmpty(reply)){
        		list = reply.getManageLogList();
        	}
    		if(!Validator.isEmpty(list)){
    			sb.append("<div class=\"log\">");
    			for(int i=0; i<list.size(); i++){
    				ManageLogView v = list.get(i);
        			sb.append("<fieldset>");
        			sb.append("<legend>");
        			sb.append(v.getMemo());
        			sb.append("</legend>");
        			sb.append("<div>");
        			sb.append("信誉：");
        			sb.append(v.getCredit());
        			sb.append("&nbsp;&nbsp;&nbsp;");
        			sb.append("积分：");
        			sb.append(v.getScore());
        			sb.append("&nbsp;&nbsp;&nbsp;");
        			sb.append("金币：");
        			sb.append(v.getMoney());
        			sb.append("</div>");
        			sb.append("<div>");
        			sb.append(StringHelper.htmlEncoder(v.getContent()));
        			sb.append("</div>");
        			sb.append("<div>");
        			if(v.getListByUserName()){
        				sb.append("by ");
        				sb.append("<a href=\"");
	        			sb.append(UrlUtils.getUrl(UrlUtils.USER,v.getByUserId(),0,request));
	        			sb.append("\" target=\"_blank\">");
	        			sb.append(v.getByUserName());
	        			sb.append("</a>");
	        			sb.append(" on ");
        			}
        			sb.append(OutPrint.isDateHtml(v.getCreateDateTime()));
        			sb.append("</div>");
        			sb.append("</fieldset>");
    			}
    			sb.append("</div>");
    		}
        }
        outWrite(sb);
        sb.delete(0, sb.length());
        object = null;
        topic = null;
        reply = null;
        return EVAL_PAGE;
	}
	
	public UserPower getUserPower() {
		if(Validator.isEmpty(userPower)){
			userPower = new UserPower();
		}
		return userPower;
	}
	
    public void outWrite(String s){
        try {
            pageContext.getOut().write(s);
        } catch (IOException e) {
            logger.error(e.toString());
        }
    }
    public void outWrite(StringBuffer s){
        try {
            pageContext.getOut().write(s.toString());
        } catch (IOException e) {
        	logger.error(e.toString());
        }
    }

}