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package net.colaborativa.exampleapp.api; | |
import java.io.ByteArrayOutputStream; | |
import java.io.File; | |
import java.io.IOException; | |
import java.nio.charset.Charset; | |
import java.util.Collections; | |
import java.util.HashMap; | |
import java.util.Map; | |
import org.apache.http.entity.ContentType; | |
import org.apache.http.entity.mime.HttpMultipartMode; | |
import org.apache.http.entity.mime.MultipartEntityBuilder; | |
import com.android.volley.AuthFailureError; | |
import com.android.volley.NetworkResponse; | |
import com.android.volley.Request; | |
import com.android.volley.Response; | |
import com.android.volley.Response.ErrorListener; | |
import com.android.volley.Response.Listener; | |
import com.android.volley.VolleyLog; | |
import com.android.volley.toolbox.HttpHeaderParser; | |
public class PhotoMultipartRequest<T> extends Request<T> { | |
private static final String FILE_PART_NAME = "file"; | |
private MultipartEntityBuilder mBuilder = MultipartEntityBuilder.create(); | |
private final Response.Listener<T> mListener; | |
private final File mImageFile; | |
protected Map<String, String> headers; | |
public PhotoMultipartRequest(String url, | |
ErrorListener errorListener, | |
Listener<T> listener, | |
File imageFile) | |
{ | |
super(Method.POST, url, errorListener); | |
mListener = listener; | |
mImageFile = imageFile; | |
buildMultipartEntity(); | |
} | |
@Override | |
public Map<String, String> getHeaders() throws AuthFailureError { | |
Map<String, String> headers = super.getHeaders(); | |
if (headers == null | |
|| headers.equals(Collections.emptyMap())) { | |
headers = new HashMap<String, String>(); | |
} | |
headers.put("Accept", "application/json"); | |
return headers; | |
} | |
private void buildMultipartEntity() | |
{ | |
mBuilder.addBinaryBody(FILE_PART_NAME, mImageFile, ContentType.create("image/jpeg"), mImageFile.getName()); | |
mBuilder.setMode(HttpMultipartMode.BROWSER_COMPATIBLE); | |
mBuilder.setLaxMode().setBoundary("xx").setCharset(Charset.forName("UTF-8")); | |
} | |
@Override | |
public String getBodyContentType() | |
{ | |
String contentTypeHeader = mBuilder.build().getContentType().getValue(); | |
return contentTypeHeader; | |
} | |
@Override | |
public byte[] getBody() throws AuthFailureError | |
{ | |
ByteArrayOutputStream bos = new ByteArrayOutputStream(); | |
try | |
{ | |
mBuilder.build().writeTo(bos); | |
} | |
catch (IOException e) | |
{ | |
VolleyLog.e("IOException writing to ByteArrayOutputStream bos, building the multipart request."); | |
} | |
return bos.toByteArray(); | |
} | |
@Override | |
protected Response<T> parseNetworkResponse(NetworkResponse response) | |
{ | |
T result = null; | |
return Response.success(result, HttpHeaderParser.parseCacheHeaders(response)); | |
} | |
@Override | |
protected void deliverResponse(T response) | |
{ | |
mListener.onResponse(response); | |
} | |
} |
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