is Uri Valid by ContentResolver - Android Network

Android examples for Network:Uri

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  2. Android
  3. Network
  4. Uri

Description

is Uri Valid by ContentResolver

Demo Code

/*/* w w  w.  j  ava  2s.co  m*/
 * Copyright (C) 2009 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.
 */
import java.io.IOException;

import android.content.ContentResolver;
import android.net.Uri;
import android.os.ParcelFileDescriptor;
import android.util.Log;

public class Main {
  private static final String TAG = "Util";

  public static boolean isUriValid(Uri uri, ContentResolver resolver) {
    if (uri == null)
      return false;

    try {
      ParcelFileDescriptor pfd = resolver.openFileDescriptor(uri, "r");
      if (pfd == null) {
        Log.e(TAG, "Fail to open URI. URI=" + uri);
        return false;
      }
      pfd.close();
    } catch (IOException ex) {
      return false;
    }
    return true;
  }
}

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