Android学习笔记—28_网络通信之通过HTTP协议实现文件上传,组拼http 的post方法,传输内容

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Android学习笔记—28_网络通信之通过HTTP协议实现文件上传,组拼http 的post方法,传输内容

2019年09月19日 ⁄ 移动开发 ⁄ 共 39122字 ⁄ 字号小中大 ⁄ 评论关闭

28_网络通信之通过HTTP协议实现文件上传
----------------------------------------------
1.注意,做表单提交的时候:程序代码;
<form method="post"

action="http://192.168.1.110:6118/WebGetSetTest/ManagerServlet"

enctype="multipart/form-data">
标题<input name="title" type="text"/><br/>
时长<input name="timelength" type="text"/><br/>
文件<input name="videofile" type="file"/><br/>
<input value="提交" type="submit"/>
</form>
----------------------------------------------------------------
2.注意在http://192.168.1.110:6118/WebGetSetTest/
http协议,post指定post方法的时候:boundary=-----------------
是指定的数据的分割线.根据http协议的要求:
数据之间要多加两个--号
---------------------------------
3.用IE捕获的信息:
a.请求标头:
键值
请求 POST /WebGetSetTest/ManagerServlet HTTP/1.1
Accept text/html, application/xhtml+xml, */*
Referer http://192.168.1.110:6118/WebGetSetTest/
Accept-Language zh-CN
User-Agent Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)
Content-Type multipart/form-data;
boundary= ---------------------------7dd33a32e07fc//是指定的数据的分割线
Accept-Encoding gzip, deflate
Host 192.168.1.110:6118
Content-Length 14052
Connection Keep-Alive
Cache-Control no-cache
Cookie JSESSIONID=424D8985791F17DAF67D00AC1FFF26BC
-----------------------------------------------------------------------
b.请求正文:
-----------------------------7dd33a32e07fc//是指定的数据的分割线,比上面的多了两

//个--,这是协议规定的
Content-Disposition: form-data; name="title"//指定了参数的名称

lidewei//这是参数的值,参数描述和值之间有两个回车换行
-----------------------------7dd33a32e07fc//是指定的数据的分割线
Content-Disposition: form-data; name="timelength"

598
-----------------------------7dd33a32e07fc
Content-Disposition: form-data; name="videofile"; filename="2.png"
Content-Type: image/jpeg//内容类型

<二进制文件数据未显示>//这里是内容信息
-----------------------------7dd33a32e07fc--//结束线后面有两个--
--------------------------------------------------------
c.响应标头
键值
响应 HTTP/1.1 200 OK
Server Apache-Coyote/1.1
Content-Length 0
Date Thu, 28 Mar 2013 13:57:51 GMT
---------------------------------------------------
d.关于http协议,post的方法:封装的代码:
可以做为一个通用的方法以后用:
-----------------------------------------
2013-03-29
-----------------------
com.credream.utils
/HttpFileUpload/src/com/credream/utils/FormFile.java
-------------------------------------------------------------
package com.credream.utils;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;

/**
* 上传文件
*/
public class FormFile {
/* 上传文件的数据 */
private byte[] data;
private InputStream inStream;
private File file;
/* 文件名称 */
private String filname;
/* 请求参数名称*/
private String parameterName;
/* 内容类型 */
private String contentType = "application/octet-stream";

//文件比较小的时候用这个方法,这时候就是直接把内存中的数据拿出来,放到磁盘

上
public FormFile(String filname, byte[] data, String parameterName, String

contentType) {
this.data = data;
this.filname = filname;
this.parameterName = parameterName;
if(contentType!=null) this.contentType = contentType;
}
//要求传入文件的对象,实现一边读文件,一边上传写到磁盘上,这样不会占用太多内

存,
//上传大文件的时候,一定要用这个方式.
public FormFile(File file, String parameterName, String contentType) {
this.filname = file.getName();
this.parameterName = parameterName;
this.file = file;
try {
this.inStream = new FileInputStream(file);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
if(contentType!=null) this.contentType = contentType;
}

public File getFile() {
return file;
}

public InputStream getInStream() {
return inStream;
}

public byte[] getData() {
return data;
}

public String getFilname() {
return filname;
}

public void setFilname(String filname) {
this.filname = filname;
}

public String getParameterName() {
return parameterName;
}

public void setParameterName(String parameterName) {
this.parameterName = parameterName;
}

public String getContentType() {
return contentType;
}

public void setContentType(String contentType) {
this.contentType = contentType;
}

}
---------------------------------------------------------------
b./HttpFileUpload/src/com/credream/utils/SocketHttpRequester.java
package com.credream.utils;

import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.InetAddress;
import java.net.Socket;
import java.net.URL;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;

//Content-Length注意这里计算实体数据的总长度的时候,很费劲的,因为
//比如说实体数据为100m的话,那么不可能一次的在内存中得到100m数据的总长度,然后赋值

给
//Content-Length属性.
/*这里需要用到一些技巧:
先计算,文本类型参数的总长度,然后计算文件类型参数的总长度,然后加上分割线的

总长度

*/
public class SocketHttpRequester {
/**
* 直接通过HTTP协议提交数据到服务器,实现如下面表单提交功能:
* <FORM METHOD=POST

ACTION="http://192.168.0.200:8080/ssi/fileload/test.do" enctype="multipart/form-

data">
<INPUT TYPE="text" NAME="name">
<INPUT TYPE="text" NAME="id">
<input type="file" name="imagefile"/>
<input type="file" name="zip"/>
</FORM>
* @param path 上传路径(注：避免使用localhost或127.0.0.1这样的路径测试，

因为它会指向手机模拟器，你可以使用http://www.itcast.cn或http://192.168.1.10:8080

这样的路径测试)
* @param params 请求参数 key为参数名,value为参数值
* @param file 上传文件
*/
public static boolean post(String path, Map<String, String> params,

FormFile[] files) throws Exception{
final String BOUNDARY = "---------------------------7da2137580612"; //数

据分隔线
final String endline = "--" + BOUNDARY + "--\r\n";//数据结束标志//注意回

车换行部分

int fileDataLength = 0;
for(FormFile uploadFile : files){//得到文件类型数据的总长度
StringBuilder fileExplain = new StringBuilder();
fileExplain.append("--");
fileExplain.append(BOUNDARY);
fileExplain.append("\r\n");
//以上部分用来完成分割线: -----------------------------

7dd33a32e07fc
//注意这里的回车换行
fileExplain.append("Content-Disposition: form-data;name=\""+

uploadFile.getParameterName()+"\";filename=\""+ uploadFile.getFilname() + "\"\r

\n");
fileExplain.append("Content-Type: "+ uploadFile.getContentType

()+"\r\n\r\n");
//上面两行用来
/* Content-Disposition: form-data; name="videofile"; filename="2.png"
Content-Type: image/jpeg*/
fileDataLength += fileExplain.length();
/*//通过上面就可以计算下面这个部分的总长度了
-----------------------------7dd33a32e07fc
Content-Disposition: form-data; name="videofile"; filename="2.png"
Content-Type: image/jpeg*/
if(uploadFile.getInStream()!=null){
fileDataLength += uploadFile.getFile().length();
}else{

fileDataLength += uploadFile.getData().length;
}
fileDataLength += "\r\n".length();
}
StringBuilder textEntity = new StringBuilder();
for (Map.Entry<String, String> entry : params.entrySet()) {//构造文本类型

参数的实体数据
textEntity.append("--");
textEntity.append(BOUNDARY);
textEntity.append("\r\n");
textEntity.append("Content-Disposition: form-data; name=\""+

entry.getKey() + "\"\r\n\r\n");
textEntity.append(entry.getValue());
textEntity.append("\r\n");
}
//计算传输给服务器的实体数据总长度
int dataLength = textEntity.toString().getBytes().length + fileDataLength

+ endline.getBytes().length;

URL url = new URL(path);
int port = url.getPort()==-1 ? 80 : url.getPort();
//这里没有用HttpUrlConnection来做,而是直接用socket来做
//因为HttpUrlConnection使用了缓冲技术,通过这个类给web,应用发送文件的时候
//这个时候文件首先写入到缓冲里面,很可能导致内存溢出的情况.
//Socket比HttpUrlConnection底层,没有缓冲区限制
Socket socket = new Socket(InetAddress.getByName(url.getHost()), port);

OutputStream outStream = socket.getOutputStream();
//下面完成HTTP请求头的发送
String requestmethod = "POST "+ url.getPath()+" HTTP/1.1\r\n";
outStream.write(requestmethod.getBytes());
String accept = "Accept: image/gif, image/jpeg, image/pjpeg, image/pjpeg,

application/x-shockwave-flash, application/xaml+xml, application/vnd.ms-

xpsdocument, application/x-ms-xbap, application/x-ms-application,

application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*

\r\n";
outStream.write(accept.getBytes());
String language = "Accept-Language: zh-CN\r\n";
outStream.write(language.getBytes());
String contenttype = "Content-Type: multipart/form-data; boundary="+

BOUNDARY+ "\r\n";
outStream.write(contenttype.getBytes());
String contentlength = "Content-Length: "+ dataLength + "\r\n";
outStream.write(contentlength.getBytes());
String alive = "Connection: Keep-Alive\r\n";
outStream.write(alive.getBytes());
String host = "Host: "+ url.getHost() +":"+ port +"\r\n";
outStream.write(host.getBytes());
//写完HTTP请求头后根据HTTP协议再写一个回车换行
outStream.write("\r\n".getBytes());
//把所有文本类型的实体数据发送出来
outStream.write(textEntity.toString().getBytes());

//把所有文件类型的实体数据发送出来
for(FormFile uploadFile : files){
StringBuilder fileEntity = new StringBuilder();
fileEntity.append("--");
fileEntity.append(BOUNDARY);
fileEntity.append("\r\n");
fileEntity.append("Content-Disposition: form-data;name=\""+

uploadFile.getParameterName()+"\";filename=\""+ uploadFile.getFilname() + "\"\r

\n");
fileEntity.append("Content-Type: "+ uploadFile.getContentType

()+"\r\n\r\n");
outStream.write(fileEntity.toString().getBytes());
if(uploadFile.getInStream()!=null){

byte[] buffer = new byte[1024];

int len = 0;

while((len = uploadFile.getInStream().read(buffer, 0,

1024))!=-1){

outStream.write(buffer, 0, len);

}

uploadFile.getInStream().close();
}else{

outStream.write(uploadFile.getData(), 0,

uploadFile.getData().length);
}
outStream.write("\r\n".getBytes());
}
//下面发送数据结束标志，表示数据已经结束
outStream.write(endline.getBytes());

BufferedReader reader = new BufferedReader(new InputStreamReader

(socket.getInputStream()));
if(reader.readLine().indexOf("200")==-1){//读取web服务器返回的数据，判断

请求码是否为200，如果不是200，代表请求失败
return false;
}
outStream.flush();
outStream.close();
reader.close();
socket.close();
return true;
}

/**
* 提交数据到服务器
* @param path 上传路径(注：避免使用localhost或127.0.0.1这样的路径测试，

因为它会指向手机模拟器，你可以使用http://www.itcast.cn或http://192.168.1.10:8080

这样的路径测试)
* @param params 请求参数 key为参数名,value为参数值
* @param file 上传文件
*/
public static boolean post(String path, Map<String, String> params,

FormFile file) throws Exception{
return post(path, params, new FormFile[]{file});
}
/**
* 提交数据到服务器
* @param path 上传路径(注：避免使用localhost或127.0.0.1这样的路径测试，

因为它会指向手机模拟器，你可以使用http://www.itcast.cn或http://192.168.1.10:8080

这样的路径测试)
* @param params 请求参数 key为参数名,value为参数值
* @param encode 编码
*/
public static byte[] postFromHttpClient(String path, Map<String, String>

params, String encode) throws Exception{
List<NameValuePair> formparams = new ArrayList<NameValuePair>

();//用于存放请求参数
for(Map.Entry<String, String> entry : params.entrySet()){
formparams.add(new BasicNameValuePair(entry.getKey(),

entry.getValue()));
}
UrlEncodedFormEntity entity = new UrlEncodedFormEntity

(formparams, encode);
HttpPost httppost = new HttpPost(path);
httppost.setEntity(entity);
HttpClient httpclient = new DefaultHttpClient();//看作是浏览器
HttpResponse response = httpclient.execute(httppost);//发送post请

求
return readStream(response.getEntity().getContent());
}

/**
* 发送请求
* @param path 请求路径
* @param params 请求参数 key为参数名称 value为参数值
* @param encode 请求参数的编码
*/
public static byte[] post(String path, Map<String, String> params, String

encode) throws Exception{
//String params = "method=save&name="+ URLEncoder.encode("老毕",

"UTF-8")+ "&age=28&";//需要发送的参数
StringBuilder parambuilder = new StringBuilder("");
if(params!=null && !params.isEmpty()){
for(Map.Entry<String, String> entry : params.entrySet()){
parambuilder.append(entry.getKey()).append("=")
.append(URLEncoder.encode(entry.getValue

(), encode)).append("&");
}
parambuilder.deleteCharAt(parambuilder.length()-1);
}
byte[] data = parambuilder.toString().getBytes();
URL url = new URL(path);
HttpURLConnection conn = (HttpURLConnection)url.openConnection();
conn.setDoOutput(true);//允许对外发送请求参数
conn.setUseCaches(false);//不进行缓存
conn.setConnectTimeout(5 * 1000);
conn.setRequestMethod("POST");
//下面设置http请求头
conn.setRequestProperty("Accept", "image/gif, image/jpeg,

image/pjpeg, image/pjpeg, application/x-shockwave-flash, application/xaml+xml,

application/vnd.ms-xpsdocument, application/x-ms-xbap, application/x-ms-

application, application/vnd.ms-excel, application/vnd.ms-powerpoint,

application/msword, */*");
conn.setRequestProperty("Accept-Language", "zh-CN");
conn.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible;

MSIE 8.0; Windows NT 5.2; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727;

.NET CLR 3.0.04506.30; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)");
conn.setRequestProperty("Content-Type", "application/x-www-form-

urlencoded");
conn.setRequestProperty("Content-Length", String.valueOf

(data.length));
conn.setRequestProperty("Connection", "Keep-Alive");

//发送参数
DataOutputStream outStream = new DataOutputStream

(conn.getOutputStream());
outStream.write(data);//把参数发送出去
outStream.flush();
outStream.close();
if(conn.getResponseCode()==200){
return readStream(conn.getInputStream());
}
return null;
}

/**
* 读取流
* @param inStream
* @return 字节数组
* @throws Exception
*/
public static byte[] readStream(InputStream inStream) throws Exception{
ByteArrayOutputStream outSteam = new ByteArrayOutputStream();
byte[] buffer = new byte[1024];
int len = -1;
while( (len=inStream.read(buffer)) != -1){
outSteam.write(buffer, 0, len);
}
outSteam.close();
inStream.close();
return outSteam.toByteArray();
}
}
----------------------------------------------------------------
2.对于:28_网络通信之通过HTTP协议实现文件上传的所有代码
-----------------------------------------
1.新建Android项目:HttpFileUpload项目
---------------
/HttpFileUpload/src/com/credream/newmanager/NewsGetSetManagerActivity.java
package com.credream.newmanager;

import java.io.File;

import com.credream.service.NewsService;

import android.app.Activity;

import android.os.Bundle;

import android.os.Environment;

import android.view.View;

import android.widget.EditText;

import android.widget.Toast;

public class NewsGetSetManagerActivity extends Activity {

/** Called when the activity is first created. */

private EditText titleText;

private EditText timelengthText;

private EditText nameText;

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

titleText=(EditText) this.findViewById(R.id.title);

timelengthText= (EditText)this.findViewById(R.id.timelength);

nameText= (EditText)this.findViewById(R.id.filename);

}


public void save(View v){

String filename= nameText.getText().toString();

String title= titleText.getText().toString();

String length=timelengthText.getText().toString();


//判断有没有sd卡,当有sd卡,和sd为只读的时候,可以执行

if(Environment.getExternalStorageState().equals

(Environment.MEDIA_MOUNTED)||

Environment.getExternalStorageState().equals

(Environment.MEDIA_MOUNTED_READ_ONLY)){

File uploadFile =
new File(Environment.getExternalStorageDirectory

(),filename);

if(uploadFile.exists()){//调用方法进行保存文件

boolean result=
NewsService.save(title,length,uploadFile);

if(result){//

Toast.makeText(getApplicationContext(), R.string.success, 1).show();

}else {

Toast.makeText(getApplicationContext(), R.string.error, 1).show();
}

}else {

Toast.makeText(getApplicationContext(), R.string.filenoexsit, 1).show();

}

}else {//当sdk不存在的时候

boolean result=NewsService.save(title,length);//用这样业务类,进行

保存
if(result){

Toast.makeText(getApplicationContext(), R.string.success,1).show

();

}else {

Toast.makeText(getApplicationContext(), R.string.error, 1).show

();

}

}

}
}
------------------------------------------------------------------------------
2./HttpFileUpload/src/com/credream/service/NewsService.java
package com.credream.service;

import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;

import com.credream.utils.FormFile;
import com.credream.utils.SocketHttpRequester;

import android.media.MediaRecorder.OutputFormat;
import android.provider.ContactsContract.Contacts.Data;

public class NewsService
{
/**
* 保存数据
* @param title 标题
* @param length 时长
* @return
*/
public static boolean save(String title, String length)
{
String

path="http://192.168.1.110:6118/WebGetSetTest/ManagerServlet";
Map<String, String> params=new HashMap<String, String>();
params.put("title", title);
params.put("timelength", length);
try{
//return sendGetRequest(path,params);
//return sendGetRequest(path,params,"UTF-8");
//return sendPOSTRequest(path,params,"UTF-8");
return sendHttpClientRequest(path,params,"UTF-8");
}catch(Exception e){
e.printStackTrace();
}
return false;
}
/**通过httpClient的时候,发送post请求
*使用httpClient的时候,不需要导入jar文件,因为android,已经集成了这个功能
* @param path
* @param params
* @param string
* @return
* @throws IOException
*/
private static boolean sendHttpClientRequest(String path,
Map<String, String> params, String coding) throws

IOException
{
List<NameValuePair> pairs=new ArrayList<NameValuePair>();//存放请

求参数
if(params!=null && !params.isEmpty()){
for(Map.Entry<String, String> entry:params.entrySet()){
pairs.add(new BasicNameValuePair(entry.getKey(),

entry.getValue()));
}
}
//采用
//编码
UrlEncodedFormEntity entity=new UrlEncodedFormEntity

(pairs,coding);
HttpPost httpPost=new HttpPost(path);
httpPost.setEntity(entity);
DefaultHttpClient client=new DefaultHttpClient();
//可以看做一个浏览器
HttpResponse response=client.execute(httpPost);
if (response.getStatusLine().getStatusCode()==200)
{
return true;
}

return false;
}
/**
* 发送post请求
* @param path 请求路径
* @param params 请求参数
* @param string 编码
* @return 请求是否成功
* @throws Exception
*/
private static boolean sendPOSTRequest(String path,Map<String, String> params,

String coding) throws Exception
{
//title=lidewei&timelength=90
StringBuilder data=new StringBuilder();
if(params!=null && !params.isEmpty()){
for(Map.Entry<String, String> entry:params.entrySet()){
data.append(entry.getKey()).append("=");
//url.append(entry.getValue());
data.append(URLEncoder.encode(entry.getValue(), coding));
//乱码的第一个因素,对传来的字符串进行编码
data.append("&");
}
data.deleteCharAt(data.length()-1);
}
byte[] entity=data.toString().getBytes();//得到实体数据
HttpURLConnection conn= (HttpURLConnection) new URL(path).openConnection();
conn.setConnectTimeout(5000);
conn.setRequestMethod("POST");
conn.setDoOutput(true);//允许
conn.setRequestProperty("Content-Type", "application/x-www-form-

urlencoded");
conn.setRequestProperty("Content-Length", String.valueOf(entity.length));
OutputStream outputStream=conn.getOutputStream();
outputStream.write(entity);//数据写到了缓存中
//只有在我们取得响应的http协议的某个部分的时候,请求才会真正的发送出去.
if (conn.getResponseCode()==200)
{
return true;

}
return false;
}
//组拼字符串http://localhost:6118/WebGetSetTest/ManagerServlet?

title=xiaofeng&timelength=80
/**
* 发送GET请求
* @param path 请求路径
* @param params 请求参数
* @return 请求是否成功
* @throws Exception
*/
//private static boolean sendGetRequest(String path,Map<String, String>

params)throws Exception{
//没有修改前会出现乱码
private static boolean sendGetRequest(String path,Map<String, String>

params,String coding)throws Exception{
StringBuilder url=new StringBuilder(path);
url.append("?");
for(Map.Entry<String, String> entry:params.entrySet()){
url.append(entry.getKey()).append("=");
//url.append(entry.getValue());
url.append(URLEncoder.encode(entry.getValue(), coding));
//乱码的第一个因素,对传来的字符串进行编码
//
url.append("&");
}
url.deleteCharAt(url.length()-1);
HttpURLConnection conn=(HttpURLConnection)new URL(url.toString

()).openConnection();
conn.setConnectTimeout(5000);
conn.setRequestMethod("GET");
if(conn.getResponseCode()==200){
return true;
}
return false;
}
//用来上传文件的save方法测试
public static boolean save(String title, String length, File uploadFile)
{
String path="http://192.168.1.110:6118/WebGetSetTest/ManagerServlet";
Map<String, String> params=new HashMap<String, String>();
params.put("title", title);
params.put("timelength", length);
FormFile formFile=new FormFile(uploadFile, "videofile", "image/gif");
//jpg的就写 "image/jpeg"
//注意这里的第三个参数类型,如果想根据用户输入不同文件,比如用户输入的事

图片文件
//对应的类型就是image/jpeg,用户输入的是可执行文件exe,对应的就是....
//那么这里需要建立字典,比如tomcat就是通过建立字典判断文件类型的
/*//
* 在tomcat的配置文件中:G:\apache-tomcat-6.0.10\conf\web.xml
<mime-mapping>
<extension>jpeg</extension>
<mime-type>image/jpeg</mime-type>
</mime-mapping>
<mime-mapping>
<extension>jpg</extension>
<mime-type>image/jpeg</mime-type>
</mime-mapping>*/
try{
return SocketHttpRequester.post(path,params,formFile);
}catch(Exception e){
e.printStackTrace();
}
return false;
//这个方法.
}

}
-------------------------------------------------------------------------
3./HttpFileUpload/src/com/credream/utils/FormFile.java
package com.credream.utils;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;

上
public FormFile(String filname, byte[] data, String parameterName, String

public InputStream getInStream() {
return inStream;
}

public byte[] getData() {
return data;
}

public String getFilname() {
return filname;
}

public void setFilname(String filname) {
this.filname = filname;
}

public String getParameterName() {
return parameterName;
}

public void setParameterName(String parameterName) {
this.parameterName = parameterName;
}

public String getContentType() {
return contentType;
}

public void setContentType(String contentType) {
this.contentType = contentType;
}

}
----------------------------------------------------------------------
4./HttpFileUpload/src/com/credream/utils/SocketHttpRequester.java
package com.credream.utils;