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package com.taobao.weex.http;
import android.text.TextUtils;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONException;
import com.alibaba.fastjson.JSONObject;
import com.taobao.weex.WXEnvironment;
import com.taobao.weex.adapter.IWXHttpAdapter;
import com.taobao.weex.bridge.JSCallback;
import com.taobao.weex.bridge.WXBridgeManager;
import com.taobao.weex.common.*;
import com.taobao.weex.utils.WXJsonUtils;
import com.taobao.weex.utils.WXLogUtils;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class WXStreamModule extends WXModule {
public static final String STATUS_TEXT = "statusText";
public static final String STATUS = "status";
final IWXHttpAdapter mAdapter;
static final Pattern CHARSET_PATTERN = Pattern.compile("charset=([a-z0-9-]+)");
public WXStreamModule(){
this(null);
}
public WXStreamModule(IWXHttpAdapter adapter){
mAdapter = adapter;
}
/**
* send HTTP request
*
* @param params {method:POST/GET/PUT/DELETE/HEAD/PATCH,url:http://xxx,header:{key:value},
* body:{key:value}}
* @param callback formate：handler(err, response)
*/
@Deprecated
@WXModuleAnno
public void sendHttp(String params, final String callback) {
JSONObject paramsObj = JSON.parseObject(params);
String method = paramsObj.getString("method");
String url = paramsObj.getString("url");
JSONObject headers = paramsObj.getJSONObject("header");
String body = paramsObj.getString("body");
int timeout = paramsObj.getIntValue("timeout");
Options.Builder builder = new Options.Builder()
.setMethod(!"GET".equals(method)
&&!"POST".equals(method)
&&!"PUT".equals(method)
&&!"DELETE".equals(method)
&&!"HEAD".equals(method)
&&!"PATCH".equals(method)?"GET":method)
.setUrl(url)
.setBody(body)
.setTimeout(timeout);
extractHeaders(headers,builder);
sendRequest(builder.createOptions(), new ResponseCallback() {
@Override
public void onResponse(WXResponse response, Map<String, String> headers) {
if(callback != null)
WXBridgeManager.getInstance().callback(mWXSDKInstance.getInstanceId(), callback,
(response == null || response.originalData == null) ? "{}" :
readAsString(response.originalData,
headers!=null?getHeader(headers,"Content-Type"):""
));
}
}, null);
}
/**
*
* @param optionsStr request options include:
* method: GET 、POST、PUT、DELETE、HEAD、PATCH
* headers：object，请求header
* url:
* body: "Any body that you want to add to your request"
* type: json、text、jsonp（native实现时等价与json）
* @param callback finished callback,response object:
* status：status code
* ok：boolean 是否成功，等价于status200～299
* statusText：状态消息，用于定位具体错误原因
* data: 响应数据，当请求option中type为json，时data为object，否则data为string类型
* headers: object 响应头
*
* @param progressCallback in progress callback,for download progress and request state,response object:
* readyState: number 请求状态，1 OPENED，开始连接；2 HEADERS_RECEIVED；3 LOADING
* status：status code
* length：当前获取的字节数，总长度从headers里「Content-Length」获取
* statusText：状态消息，用于定位具体错误原因
* headers: object 响应头
*/
@WXModuleAnno
public void fetch(String optionsStr, final JSCallback callback, JSCallback progressCallback){
JSONObject optionsObj = null;
try {
optionsObj = JSON.parseObject(optionsStr);
}catch (JSONException e){
WXLogUtils.e("", e);
}
boolean invaildOption = optionsObj==null || optionsObj.getString("url")==null;
if(invaildOption){
if(callback != null) {
Map<String, Object> resp = new HashMap<>();
resp.put("ok", false);
resp.put(STATUS_TEXT, Status.ERR_INVALID_REQUEST);
callback.invoke(resp);
}
return;
}
String method = optionsObj.getString("method");
String url = optionsObj.getString("url");
JSONObject headers = optionsObj.getJSONObject("headers");
String body = optionsObj.getString("body");
String type = optionsObj.getString("type");
int timeout = optionsObj.getIntValue("timeout");
Options.Builder builder = new Options.Builder()
.setMethod(!"GET".equals(method)
&&!"POST".equals(method)
&&!"PUT".equals(method)
&&!"DELETE".equals(method)
&&!"HEAD".equals(method)
&&!"PATCH".equals(method)?"GET":method)
.setUrl(url)
.setBody(body)
.setType(type)
.setTimeout(timeout);
extractHeaders(headers,builder);
final Options options = builder.createOptions();
sendRequest(options, new ResponseCallback() {
@Override
public void onResponse(WXResponse response, Map<String, String> headers) {
if(callback != null) {
Map<String, Object> resp = new HashMap<>();
if(response == null|| "-1".equals(response.statusCode)){
resp.put(STATUS,"-1");
resp.put(STATUS_TEXT,Status.ERR_CONNECT_FAILED);
}else {
resp.put(STATUS, response.statusCode);
int code = Integer.parseInt(response.statusCode);
resp.put("ok", (code >= 200 && code <= 299));
if (response.originalData == null) {
resp.put("data", null);
} else {
String respData = readAsString(response.originalData,
headers!=null?getHeader(headers,"Content-Type"):""
);
resp.put("data",parseJson(respData,options.getType()));
}
resp.put(STATUS_TEXT, Status.getStatusText(response.statusCode));
}
resp.put("headers", headers);
callback.invoke(resp);
}
}
}, progressCallback);
}
Object parseJson(String data,Options.Type type){
if( type == Options.Type.json){
return JSONObject.parse(data);
}else if( type == Options.Type.jsonp){
if(data == null || data.isEmpty()) {
return new JSONObject();
}
int b = data.indexOf("(")+1;
int e = data.lastIndexOf(")");
if(b ==0 || b >= e || e <= 0){
return new JSONObject();
}
data = data.substring(b,e);
return JSONObject.parse(data);
}else {
return data;
}
}
static String getHeader(Map<String,String> headers,String key){
if(headers == null||key == null){
return null;
}
if(headers.containsKey(key)){
return headers.get(key);
}else{
return headers.get(key.toLowerCase());
}
}
static String readAsString(byte[] data,String cType){
String charset = "utf-8";
if(cType != null){
Matcher matcher = CHARSET_PATTERN.matcher(cType.toLowerCase());
if(matcher.find()){
charset = matcher.group(1);
}
}
try {
return new String(data,charset);
} catch (UnsupportedEncodingException e) {
WXLogUtils.e("", e);
return new String(data);
}
}
private void extractHeaders(JSONObject headers, Options.Builder builder){
if(headers != null){
Iterator<String> it = headers.keySet().iterator();
while(it.hasNext()){
String key = it.next();
builder.putHeader(key,headers.getString(key));
}
}
}
private void sendRequest(Options options,ResponseCallback callback,JSCallback progressCallback){
WXRequest wxRequest = new WXRequest();
wxRequest.method = options.getMethod();
wxRequest.url = options.getUrl();
wxRequest.body = options.getBody();
wxRequest.timeoutMs = options.getTimeout();
if(options.getHeaders()!=null)
if (wxRequest.paramMap == null) {
wxRequest.paramMap = options.getHeaders();
}else{
wxRequest.paramMap.putAll(options.getHeaders());
}
IWXHttpAdapter adapter = ( mAdapter==null && mWXSDKInstance != null) ? mWXSDKInstance.getWXHttpAdapter() : mAdapter;
if (adapter != null) {
adapter.sendRequest(wxRequest, new StreamHttpListener(callback,progressCallback));
}else{
WXLogUtils.e("WXStreamModule","No HttpAdapter found,request failed.");
}
}
private interface ResponseCallback{
void onResponse(WXResponse response, Map<String, String> headers);
}
private static class StreamHttpListener implements IWXHttpAdapter.OnHttpListener {
private ResponseCallback mCallback;
private JSCallback mProgressCallback;
private Map<String,Object> mResponse = new HashMap<>();
private Map<String,String> mRespHeaders;
private StreamHttpListener(ResponseCallback callback,JSCallback progressCallback) {
mCallback = callback;
mProgressCallback = progressCallback;
}
@Override
public void onHttpStart() {
if(mProgressCallback !=null) {
mResponse.put("readyState",1);//readyState: number 请求状态，1 OPENED，开始连接；2 HEADERS_RECEIVED；3 LOADING
mResponse.put("length",0);
mProgressCallback.invokeAndKeepAlive(mResponse);
}
}
@Override
public void onHttpUploadProgress(int uploadProgress) {
}
@Override
public void onHeadersReceived(int statusCode,Map<String,List<String>> headers) {
mResponse.put("readyState",2);
mResponse.put("status",statusCode);
Iterator<Map.Entry<String,List<String>>> it = headers.entrySet().iterator();
Map<String,String> simpleHeaders = new HashMap<>();
while(it.hasNext()){
Map.Entry<String,List<String>> entry = it.next();
if(entry.getValue().size()>0)
simpleHeaders.put(entry.getKey()==null?"_":entry.getKey(),entry.getValue().get(0));
}
mResponse.put("headers",simpleHeaders);
mRespHeaders = simpleHeaders;
if(mProgressCallback!=null){
mProgressCallback.invokeAndKeepAlive(mResponse);
}
}
@Override
public void onHttpResponseProgress(int loadedLength) {
mResponse.put("length",loadedLength);
if(mProgressCallback!=null){
mProgressCallback.invokeAndKeepAlive(mResponse);
}
}
@Override
public void onHttpFinish(final WXResponse response) {
//compatible with old sendhttp
if(mCallback!=null){
mCallback.onResponse(response, mRespHeaders);
}
if(WXEnvironment.isApkDebugable()){
WXLogUtils.d("WXStreamModule",response!=null && response.originalData!=null?new String(response.originalData):"response data is NUll!");
}
}
}
}