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volley multipart request, post file image, android.
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| package com.meishixing.tripschedule.util; | |
| import com.android.volley.AuthFailureError; | |
| import com.android.volley.NetworkResponse; | |
| import com.android.volley.Request; | |
| import com.android.volley.Response; | |
| import com.android.volley.VolleyLog; | |
| import org.apache.http.HttpEntity; | |
| import org.apache.http.entity.mime.MultipartEntityBuilder; | |
| import org.apache.http.entity.mime.content.FileBody; | |
| import java.io.ByteArrayOutputStream; | |
| import java.io.File; | |
| import java.io.IOException; | |
| /** | |
| * Created by albert on 14-3-21. | |
| */ | |
| public class MultipartRequest extends Request<String> { | |
| public static final String KEY_PICTURE = "mypicture"; | |
| public static final String KEY_PICTURE_NAME = "filename"; | |
| public static final String KEY_ROUTE_ID = "route_id"; | |
| private HttpEntity mHttpEntity; | |
| private String mFilePath; | |
| private String mRouteId; | |
| private Response.Listener mListener; | |
| public MultipartRequest(String url, String filePath, String routeId, | |
| Response.Listener<String> listener, | |
| Response.ErrorListener errorListener) { | |
| super(Method.POST, url, errorListener); | |
| mFilePath = filePath; | |
| mRouteId = routeId; | |
| mListener = listener; | |
| mHttpEntity = buildMultipartEntity(); | |
| } | |
| private HttpEntity buildMultipartEntity() { | |
| MultipartEntityBuilder builder = MultipartEntityBuilder.create(); | |
| File file = new File(mFilePath); | |
| String fileName = file.getName(); | |
| FileBody fileBody = new FileBody(file); | |
| builder.addPart(KEY_PICTURE, fileBody); | |
| builder.addTextBody(KEY_PICTURE_NAME, fileName); | |
| builder.addTextBody(KEY_ROUTE_ID, mRouteId); | |
| MBLog.d("fileName: " + fileName); | |
| return builder.build(); | |
| } | |
| @Override | |
| public String getBodyContentType() { | |
| MBLog.d("content type: " + mHttpEntity.getContentType().getValue()); | |
| return mHttpEntity.getContentType().getValue(); | |
| } | |
| @Override | |
| public byte[] getBody() throws AuthFailureError { | |
| ByteArrayOutputStream bos = new ByteArrayOutputStream(); | |
| try { | |
| mHttpEntity.writeTo(bos); | |
| MBLog.d("bos: " + bos.toString()); | |
| } catch (IOException e) { | |
| VolleyLog.e("IOException writing to ByteArrayOutputStream"); | |
| } | |
| return bos.toByteArray(); | |
| } | |
| @Override | |
| protected Response<String> parseNetworkResponse(NetworkResponse response) { | |
| return Response.success("Uploaded", getCacheEntry()); | |
| } | |
| @Override | |
| protected void deliverResponse(String response) { | |
| mListener.onResponse(response); | |
| } | |
| } |
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