Initial checkin of AOSP Messaging app.

b/23110861

Change-Id: I11db999bd10656801e618f78ab2b2ef74136fff1

src/android/support/v7/mms/DownloadRequest.java

@@ -0,0 +1,132 @@
+/*
+ * 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);
+    }
+}