如何用xpages 执行JAVA 取得 form-data 的上传档案

为了 app 整合, 原先用AGENT 去 接收档案，却是乱码，无法正常解析
后来只能改用 JAVA 进行接收档案

建立 一份 xpage 及一个 java

测试：
Postman
POST
form-data
key: files (file) , title (text)

执行结果： 产生一份 notes 文件

form : test
files: richtext
filesname :text
title: text

//*The XPage is simple *//

<xp:view xmlns:xp="http://www.ibm.com/xsp/core" rendered="false">

xp:this.beforePageLoad

</xp:this.beforePageLoad>

</xp:view>

//*JAVA *//
//*使用JAVA 汇入 扩充的 Class 至主机上 \Lotus\Domino\osgi\shared\eclipse\plugins *//

package eu.linqed;

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Map;

import javax.faces.context.ExternalContext;
import javax.faces.context.FacesContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import lotus.domino.*;
import com.ibm.xsp.http.UploadedFile;
import com.ibm.xsp.webapp.XspHttpServletResponse;

public class UploadHandler {
// https://stackoverflow.com/questions/19723731/how-to-upload-a-file-from-mobile-phone-camera-to-xpages-with-phonegap-filetransf参考网址
//http://XXXXX/Database/alison/XpageFile-upload.nsf/UploadHandler.xsp
private static String FieldName1 = "title" ; // 第一个栏位
private static String FILE_PARAM = "files"; // name of the multipart
// POST param that holds
// the uploaded file
private static String RT_ITEM_NAME_FILES = "files"; // name of the RT item
// that will hold the
// uploaded file

public UploadHandler() {

}

@SuppressWarnings("unchecked")
public static void process() {

System.out.println("eu.linqed.UploadHandler**********************");XspHttpServletResponse response = null;PrintWriter pw = null;UploadedFile uploadedFile = null;File correctedFile = null;RichTextItem rtFiles = null;Document doc = null;String fileName = "";

// String title = "" ;

FacesContext facesContext = FacesContext.getCurrentInstance();System.out.println("FacesContext");try {    ExternalContext extCon = facesContext.getExternalContext();    System.out.println("ExternalContext");        response = (XspHttpServletResponse) extCon.getResponse();    System.out.println("response");        pw = response.getWriter();    //only HTTP POST is allowed    HttpServletRequest request = (HttpServletRequest) extCon.getRequest();    System.out.println("HttpServletRequest");        if (!request.getMethod().equalsIgnoreCase("post")) {        throw (new Exception("only POST is allowed"));    }                    Database dbCurrent = (Database) resolveVariable("database");    response.setContentType("text/plain");    response.setHeader("Cache-Control", "no-cache");    response.setDateHeader("Expires", -1);    //check if we have a file in the POST    System.out.println("getParameterMap");    Map map = request.getParameterMap();    System.out.println("Map");    //System.out.println(" find: "+ map.get("title").toString());          if (!map.containsKey(FILE_PARAM)) {  System.out.println("FILE_PARAM - no file");       throw (new Exception("no file received"));   }      //********************************    //get the file from the request  System.out.println("uploadedFile");    uploadedFile = (UploadedFile) map.get(FILE_PARAM);    System.out.println(FILE_PARAM);        if (uploadedFile == null) {        throw (new Exception("that's not a file!"));    }    //store file in a document        fileName = uploadedFile.getClientFileName();   //original name of the file    File tempFile = uploadedFile.getServerFile(); // the uploaded file with a cryptic name    System.out.println(fileName+"-"+tempFile.getParentFile().getAbsolutePath() + java.io.File.separator + fileName );    //we rename the file to its original name, so we can attach it with that name    //see http://www.bleedyellow.com/blogs/m.leusink/entry/processing_files_uploaded_to_an_xpage?lang=nl    correctedFile = new java.io.File(tempFile.getParentFile().getAbsolutePath() + java.io.File.separator + fileName);        boolean renamed = tempFile.renameTo(correctedFile);  // 如果不执行 就会抓不到档案  if (renamed) {        //create a document in the current db        doc = dbCurrent.createDocument();        doc.replaceItemValue("form", "test");        doc.replaceItemValue(FieldName1, map.get(FieldName1).toString());        doc.replaceItemValue("FileName", fileName);   //档案名称        //attach file to target document        rtFiles = doc.createRichTextItem(RT_ITEM_NAME_FILES);        rtFiles.embedObject(lotus.domino.EmbeddedObject.EMBED_ATTACHMENT, "", correctedFile.getAbsolutePath(), null);        boolean saved = doc.save();        if (saved) {        pw.print("SAVE OK");        }    }else{   pw.print("add code to return to the upload method here-->"+ map.get( FieldName1));      }       response.commitResponse();} catch (Exception e) {System.out.println(e);          response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);    pw.print("add code here to return an error -->" +e );    try {        response.commitResponse();    } catch (IOException e1) {        e1.printStackTrace();    }} finally {    facesContext.responseComplete();    try {        if (rtFiles != null) {            rtFiles.recycle();        }        if (doc != null) {            doc.recycle();        }        if (correctedFile != null) {            // rename temporary file back to its original name so it's            // automatically            // deleted by the XPages engine            correctedFile.renameTo(uploadedFile.getServerFile());        }    } catch (Exception ee) {        ee.printStackTrace();    }}

}

private static Object resolveVariable(String variableName) {
FacesContext facesContext = FacesContext.getCurrentInstance();
return facesContext.getApplication().getVariableResolver().resolveVariable(facesContext, variableName);
}

}