package com.mandi.servlet;
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import java.awt.image.BufferedImage;
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import java.io.File;
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import java.io.IOException;
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import java.util.Enumeration;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import javax.imageio.ImageIO;
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import javax.servlet.ServletException;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.apache.commons.fileupload.FileItem;
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import org.apache.commons.fileupload.disk.DiskFileItemFactory;
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import org.apache.commons.fileupload.servlet.ServletFileUpload;
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import org.apache.log4j.Logger;
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import org.springframework.context.ApplicationContext;
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import org.springframework.web.context.support.WebApplicationContextUtils;
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import com.google.gson.Gson;
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import com.google.gson.JsonObject;
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import com.mandi.common.Jacksonmethod;
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import com.mandi.common.RequestParam;
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import com.mandi.servlet.file.FileLoad;
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import com.mandi.servlet.file.impl.FileLoadImpl;
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/**
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* @author mengly
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* @version 创建时间：2015年9月25日 下午5:09:08
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* 类说明
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*/
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public class Imageuploadservlet extends HttpServlet {
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private Logger log=Logger.getLogger(Imageuploadservlet.class);
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private static final long serialVersionUID = 1L;
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/**
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* cop:lt,gt，eq
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*/
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@Override
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protected void doPost(HttpServletRequest req, HttpServletResponse resp)
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throws ServletException, IOException {
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ApplicationContext a=WebApplicationContextUtils.getWebApplicationContext(req.getServletContext());
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if(a==null)
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return;
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DiskFileItemFactory dfif=new DiskFileItemFactory();
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ServletFileUpload sf=new ServletFileUpload(dfif);
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sf.setHeaderEncoding("utf-8");
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List<FileItem> list=null;
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String path1=req.getParameter("path");
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int width=RequestParam.getInt(req, "width");
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int height=RequestParam.getInt(req, "height");
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String cop=RequestParam.getString(req, "cop");
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int size=RequestParam.getInt(req, "size");
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FileItem tfi=null;
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Map<String, Object> tf=null;
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try{
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list=sf.parseRequest(req);
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Iterator<FileItem> it=list.iterator();
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while(it.hasNext())
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{
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FileItem fi=it.next();
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if(fi.isFormField())
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{
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String pname=fi.getFieldName();
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String pvalue=fi.getString();
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try{
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if("path".equals(pname))
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{
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path1=pvalue;
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}
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if("width".equals(pname))
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{
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width=Integer.valueOf(pvalue);
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}
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if("height".equals(pname))
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{
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height=Integer.valueOf(pvalue);
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}
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if("cop".equals(pname))
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{
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cop=pvalue;
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}
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if("size".equals(pname))
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{
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size=Integer.valueOf(pvalue);
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}
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}catch(Exception e1){log.info("转换错误!");}
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}else{
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tfi=fi;
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}
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}
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}catch(Exception e){
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log.info(e.getMessage());
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}
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if(path1==null||path1.isEmpty())
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path1="/temp";
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String path=req.getServletContext().getRealPath(path1);
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File dir=new File(path);
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if(!dir.exists()||!dir.isDirectory())
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dir.mkdirs();
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FileLoad fl=a.getBean(FileLoadImpl.class);
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tf=fl.uploadFile_map(path1, req, tfi, true, size);
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resp.setCharacterEncoding("UTF-8");
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resp.setContentType("application/json; charset=utf-8");
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JsonObject jo=new JsonObject();
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Gson g=new Gson();
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if(tf!=null)
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{
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String furl=tf.get("url")+"";
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furl=req.getServletContext().getRealPath(furl);
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log.info("furl:"+furl);
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if(cop!=null&&!cop.isEmpty()&&width>0&&height>0)
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{
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//检查图片像素
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try {
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//BufferedImage bi=Sanselan.getBufferedImage(new File(furl));
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BufferedImage bi=ImageIO.read(new File(furl));
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int rwidth=bi.getWidth();
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int rheight=bi.getHeight();
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if("lt".equals(cop))
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{
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if(width<rwidth||height<rheight)
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{
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jo.addProperty("code", 1);
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jo.addProperty("errmsg", "上传的图片分辨率大于特定的宽度和高度::"+width+"*"+height);
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resp.getWriter().write(g.toJson(jo));
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return;
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}
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}else if("gt".equals(cop))
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{
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if(width>rwidth||height>rheight)
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{
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jo.addProperty("code", 1);
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jo.addProperty("errmsg", "上传的图片分辨率小于特定的宽度和高度::"+width+"*"+height);
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resp.getWriter().write(g.toJson(jo));
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return;
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}
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}else if("eq".equals(cop))
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{
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if(width!=rwidth||height!=rheight)
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{
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jo.addProperty("code", 1);
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jo.addProperty("errmsg", "上传的图片分辨率不等于特定的宽度和高度::"+width+"*"+height);
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resp.getWriter().write(g.toJson(jo));
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return;
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}
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}else{
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jo.addProperty("code", 1);
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jo.addProperty("errmsg", "系统无法判断您要如何判断图片分辨率!!");
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resp.getWriter().write(g.toJson(jo));
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return;
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}
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} catch (Exception e) {
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e.printStackTrace();
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jo.addProperty("code", 1);
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jo.addProperty("errmsg", "上传的图片不能正常打开，请检查!!");
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resp.getWriter().write(g.toJson(jo));
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return;
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}
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}
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resp.getWriter().write(Jacksonmethod.tojson(tf, false));
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}else{
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jo.addProperty("code", 1);
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jo.addProperty("errmsg", "你上传的图片不符合规则不能保存!");
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resp.getWriter().write(g.toJson(jo));
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return;
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}
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}
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}
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