Java 类org.apache.http.util.CharsetUtils 实例源码

public MultipartRequest(String url, Response.ErrorListener errorListener,
                        Response.Listener<String> listener, File file,
                        Map<String, String> mStringPart) {
    super(Method.POST, url, errorListener);

    this.mListener = listener;
    this.mFilePart = file;
    this.mStringPart = mStringPart;

    entity.setMode(HttpMultipartMode.BROWSER_COMPATIBLE);
    try {
        entity.setCharset(CharsetUtils.get("UTF-8"));
    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
    }
    buildMultipartEntity();
    httpentity = entity.build();
}

@Deprecated
public static String uploadFileFromPath(String requestUrl, String requestMethod, String filePath) throws ClientProtocolException, IOException{
    String result = null;
       CloseableHttpClient httpClient = HttpClients.createDefault();  
       try {  
           HttpPost httpPost = new HttpPost(requestUrl);  
           // 把文件转换成流对象FileBody  
           File file = new File(filePath);  
           FileBody media = new FileBody(file);  

           /*StringBody uploadFileName = new StringBody("my.png", 
                   ContentType.create("text/plain", Consts.UTF_8));*/  
           // 以浏览器兼容模式运行，防止文件名乱码。  
           HttpEntity reqEntity = MultipartEntityBuilder.create()  
                   .setMode(HttpMultipartMode.BROWSER_COMPATIBLE)  
                   .addPart("file", media) // media对应服务端类的同名属性<File类型>  
                   .setCharset(CharsetUtils.get("UTF-8")).build();  

           httpPost.setEntity(reqEntity);  
           // 发起请求 并返回请求的响应  
           CloseableHttpResponse response = httpClient.execute(httpPost);  
           try {  
               // 获取响应对象  
               HttpEntity resEntity = response.getEntity();  
               if (resEntity != null) {  
                result = EntityUtils.toString(resEntity, Charset.forName("UTF-8"));  
               }  
               // 销毁  
               EntityUtils.consume(resEntity);  
           } finally {  
               response.close();  
           }  
       } finally {  
           httpClient.close();  
       }
    return result;  
   }

@SuppressWarnings("unchecked")
private void readObject(final ObjectInputStream in) throws IOException, ClassNotFoundException {
    in.defaultReadObject();
    this.credentialsCharset = CharsetUtils.get(in.readUTF());
    if (this.credentialsCharset == null) {
        this.credentialsCharset = Consts.ASCII;
    }
    this.challengeState = (ChallengeState) in.readObject();
}

/**
 * Converts a Map to a UrlEncodedFormEntity.
 * @param map   The Map to convert. Not {@code null}.
 * @return UrlEncodedFormEntity
 */
public static UrlEncodedFormEntity mapToUrlEncodedFormEntity(Map<String, String> map) {
    List<NameValuePair> urlParameters = new ArrayList<NameValuePair>();
    for (String key : map.keySet())
        urlParameters.add(new BasicNameValuePair(key, map.get(key)));

    try {
        return new UrlEncodedFormEntity(urlParameters, CharsetUtils.get(UTF8));
    } catch (UnsupportedEncodingException ignored) {
        return null;
    }
}