content: /*
   * Copyright (C) 2015 Jacob Klinker
   *
   * 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 com.klinker.android.send_message;
  
  import android.content.ContentProvider;
  import android.content.ContentValues;
  import android.database.Cursor;
  import android.net.Uri;
  import android.os.ParcelFileDescriptor;
  import android.text.TextUtils;
  
  import java.io.File;
  import java.io.FileNotFoundException;
  
  public class MmsFileProvider extends ContentProvider {
      @Override
      public boolean onCreate() {
          return true;
      }
  
      @Override
      public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
                          String sortOrder) {
          // Don't support queries.
          return null;
      }
  
      @Override
      public Uri insert(Uri uri, ContentValues values) {
          // Don't support inserts.
          return null;
      }
  
      @Override
      public int delete(Uri uri, String selection, String[] selectionArgs) {
          // Don't support deletes.
          return 0;
      }
  
      @Override
      public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
          // Don't support updates.
          return 0;
      }
  
      @Override
      public String getType(Uri uri) {
          // For this sample, assume all files have no type.
          return null;
      }
  
      @Override
      public ParcelFileDescriptor openFile(Uri uri, String fileMode) throws FileNotFoundException {
          File file = new File(getContext().getCacheDir(), uri.getPath());
          int mode = (TextUtils.equals(fileMode, "r") ? ParcelFileDescriptor.MODE_READ_ONLY :
                  ParcelFileDescriptor.MODE_WRITE_ONLY
                          |ParcelFileDescriptor.MODE_TRUNCATE
                          |ParcelFileDescriptor.MODE_CREATE);
          return ParcelFileDescriptor.open(file, mode);
      }
  }