Examples with ParcelFileDescriptor android.os.ParcelFileDescriptor used on opensource projects

Example 26 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project GalleryFinal by pengjianbo.

the class CropUtil method getFromMediaUriPfd.

@Nullable
private static File getFromMediaUriPfd(Context context, ContentResolver resolver, Uri uri) {
    if (uri == null)
        return null;
    FileInputStream input = null;
    FileOutputStream output = null;
    try {
        ParcelFileDescriptor pfd = resolver.openFileDescriptor(uri, "r");
        FileDescriptor fd = pfd.getFileDescriptor();
        input = new FileInputStream(fd);
        String tempFilename = getTempFilename(context);
        output = new FileOutputStream(tempFilename);
        int read;
        byte[] bytes = new byte[4096];
        while ((read = input.read(bytes)) != -1) {
            output.write(bytes, 0, read);
        }
        return new File(tempFilename);
    } catch (IOException ignored) {
    // Nothing we can do
    } finally {
        closeSilently(input);
        closeSilently(output);
    }
    return null;
}

Example 27 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project chromeview by pwnall.

the class ChildProcessConnection method doConnectionSetup.

/**
     * Called when the connection parameters have been set, and a connection has been established
     * (as signaled by onServiceConnected), or if the connection failed (mService will be false).
     */
private void doConnectionSetup() {
    TraceEvent.begin();
    assert mServiceConnectComplete && mConnectionParams != null;
    // Capture the callback before it is potentially nulled in unbind().
    Runnable onConnectionCallback = mConnectionParams.mOnConnectionCallback;
    if (onConnectionCallback == null) {
        unbind();
    } else if (mService != null) {
        Bundle bundle = new Bundle();
        bundle.putStringArray(EXTRA_COMMAND_LINE, mConnectionParams.mCommandLine);
        FileDescriptorInfo[] fileInfos = mConnectionParams.mFilesToBeMapped;
        ParcelFileDescriptor[] parcelFiles = new ParcelFileDescriptor[fileInfos.length];
        for (int i = 0; i < fileInfos.length; i++) {
            if (fileInfos[i].mFd == -1) {
                // If someone provided an invalid FD, they are doing something wrong.
                Log.e(TAG, "Invalid FD (id=" + fileInfos[i].mId + ") for process connection, " + "aborting connection.");
                return;
            }
            String idName = EXTRA_FILES_PREFIX + i + EXTRA_FILES_ID_SUFFIX;
            String fdName = EXTRA_FILES_PREFIX + i + EXTRA_FILES_FD_SUFFIX;
            if (fileInfos[i].mAutoClose) {
                // Adopt the FD, it will be closed when we close the ParcelFileDescriptor.
                parcelFiles[i] = ParcelFileDescriptor.adoptFd(fileInfos[i].mFd);
            } else {
                try {
                    parcelFiles[i] = ParcelFileDescriptor.fromFd(fileInfos[i].mFd);
                } catch (IOException e) {
                    Log.e(TAG, "Invalid FD provided for process connection, aborting connection.", e);
                    return;
                }
            }
            bundle.putParcelable(fdName, parcelFiles[i]);
            bundle.putInt(idName, fileInfos[i].mId);
        }
        // Add the CPU properties now.
        bundle.putInt(EXTRA_CPU_COUNT, CpuFeatures.getCount());
        bundle.putLong(EXTRA_CPU_FEATURES, CpuFeatures.getMask());
        try {
            mPID = mService.setupConnection(bundle, mConnectionParams.mCallback);
        } catch (android.os.RemoteException re) {
            Log.e(TAG, "Failed to setup connection.", re);
        }
        // We proactivley close the FDs rather than wait for GC & finalizer.
        try {
            for (ParcelFileDescriptor parcelFile : parcelFiles) {
                if (parcelFile != null)
                    parcelFile.close();
            }
        } catch (IOException ioe) {
            Log.w(TAG, "Failed to close FD.", ioe);
        }
    }
    mConnectionParams = null;
    if (onConnectionCallback != null) {
        onConnectionCallback.run();
    }
    TraceEvent.end();
}

Example 28 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project robolectric by robolectric.

the class ShadowParcelFileDescriptor method open.

@Implementation
public static ParcelFileDescriptor open(File file, int mode) throws FileNotFoundException {
    ParcelFileDescriptor pfd;
    try {
        Constructor<ParcelFileDescriptor> constructor = ParcelFileDescriptor.class.getDeclaredConstructor(FileDescriptor.class);
        pfd = constructor.newInstance(new FileDescriptor());
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    Shadows.shadowOf(pfd).file = new RandomAccessFile(file, mode == ParcelFileDescriptor.MODE_READ_ONLY ? "r" : "rw");
    return pfd;
}

Example 29 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project robolectric by robolectric.

the class ShadowParcelFileDescriptorTest method testStatSize_writtenFile.

@Test
public void testStatSize_writtenFile() throws Exception {
    ParcelFileDescriptor pfd = ParcelFileDescriptor.open(file, ParcelFileDescriptor.MODE_READ_WRITE);
    assertThat(pfd).isNotNull();
    assertThat(pfd.getFileDescriptor().valid()).isTrue();
    FileOutputStream os = new FileOutputStream(pfd.getFileDescriptor());
    os.write(5);
    // One byte.
    assertThat(pfd.getStatSize()).isEqualTo(1);
    os.close();
}

Example 30 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project robolectric by robolectric.

the class ShadowParcelFileDescriptorTest method testOpens_canWriteWritableFile.

@Test
public void testOpens_canWriteWritableFile() throws Exception {
    ParcelFileDescriptor pfd = ParcelFileDescriptor.open(file, ParcelFileDescriptor.MODE_READ_WRITE);
    assertThat(pfd).isNotNull();
    assertThat(pfd.getFileDescriptor().valid()).isTrue();
    FileOutputStream os = new FileOutputStream(pfd.getFileDescriptor());
    os.write(5);
    os.close();
}