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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.support.v7.mms;
import android.app.PendingIntent;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.Parcel;
import android.os.ParcelFileDescriptor;
import android.os.Parcelable;
import android.text.TextUtils;
import android.util.Log;
import java.io.IOException;
import java.util.concurrent.Callable;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
/**
* Request to download an MMS
*/
class DownloadRequest extends MmsRequest {
DownloadRequest(final String locationUrl, final Uri pduUri,
final PendingIntent sentIntent) {
super(locationUrl, pduUri, sentIntent);
}
@Override
protected boolean loadRequest(final Context context, final Bundle mmsConfig) {
// No need to load PDU from app. Always true.
return true;
}
@Override
protected boolean transferResponse(Context context, Intent fillIn, byte[] response) {
return writePduToContentUri(context, mPduUri, response);
}
@Override
protected byte[] doHttp(Context context, MmsNetworkManager netMgr, ApnSettingsLoader.Apn apn,
Bundle mmsConfig, String userAgent, String uaProfUrl) throws MmsHttpException {
final MmsHttpClient httpClient = netMgr.getHttpClient();
return httpClient.execute(getHttpRequestUrl(apn), null/*pdu*/, MmsHttpClient.METHOD_GET,
!TextUtils.isEmpty(apn.getMmsProxy()), apn.getMmsProxy(), apn.getMmsProxyPort(),
mmsConfig, userAgent, uaProfUrl);
}
@Override
protected String getHttpRequestUrl(final ApnSettingsLoader.Apn apn) {
return mLocationUrl;
}
/**
* Write pdu bytes to content provider uri
*
* @param contentUri content provider uri to which bytes should be written
* @param pdu Bytes to write
* @return true if all bytes successfully written else false
*/
public boolean writePduToContentUri(final Context context, final Uri contentUri,
final byte[] pdu) {
if (contentUri == null || pdu == null) {
return false;
}
final Callable<Boolean> copyDownloadedPduToOutput = new Callable<Boolean>() {
public Boolean call() {
ParcelFileDescriptor.AutoCloseOutputStream outStream = null;
try {
final ContentResolver cr = context.getContentResolver();
final ParcelFileDescriptor pduFd = cr.openFileDescriptor(contentUri, "w");
outStream = new ParcelFileDescriptor.AutoCloseOutputStream(pduFd);
outStream.write(pdu);
return true;
} catch (IOException e) {
Log.e(MmsService.TAG, "Writing PDU to downloader: IO exception", e);
return false;
} finally {
if (outStream != null) {
try {
outStream.close();
} catch (IOException ex) {
// Ignore
}
}
}
}
};
final Future<Boolean> pendingResult =
mPduTransferExecutor.submit(copyDownloadedPduToOutput);
try {
return pendingResult.get(TASK_TIMEOUT_MS, TimeUnit.MILLISECONDS);
} catch (Exception e) {
// Typically a timeout occurred - cancel task
pendingResult.cancel(true);
}
return false;
}
public static final Parcelable.Creator<DownloadRequest> CREATOR
= new Parcelable.Creator<DownloadRequest>() {
public DownloadRequest createFromParcel(Parcel in) {
return new DownloadRequest(in);
}
public DownloadRequest[] newArray(int size) {
return new DownloadRequest[size];
}
};
private DownloadRequest(Parcel in) {
super(in);
}
}
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