1 files changed, 0 insertions, 151 deletions
diff --git a/src/com/android/messaging/datamodel/FileProvider.java b/src/com/android/messaging/datamodel/FileProvider.java
deleted file mode 100644
index ee332cd..0000000
--- a/src/com/android/messaging/datamodel/FileProvider.java
+++ /dev/null
@@ -1,151 +0,0 @@
-/*
- * 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 com.android.messaging.datamodel;
-
-import android.content.ContentProvider;
-import android.content.ContentResolver;
-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;
-import java.io.IOException;
-import java.util.Random;
-
-/**
- * A very simple content provider that can serve files.
- */
-public abstract class FileProvider extends ContentProvider {
-    // Object to generate random id for temp images.
-    private static final Random RANDOM_ID = new Random();
-
-    abstract File getFile(final String path, final String extension);
-
-    private static final String FILE_EXTENSION_PARAM_KEY = "ext";
-
-    /**
-     * Check if filename conforms to requirement for our provider
-     * @param fileId filename (optionally starting with path character
-     * @return true if filename consists only of digits
-     */
-    protected static boolean isValidFileId(final String fileId) {
-        // Ignore initial "/"
-        for (int index = (fileId.startsWith("/") ? 1 : 0); index < fileId.length(); index++) {
-            final Character c = fileId.charAt(index);
-            if (!Character.isDigit(c)) {
-                return false;
-            }
-        }
-        return true;
-    }
-
-    /**
-     * Create a temp file (to allow writing to that one particular file)
-     * @param file the file to create
-     * @return true if file successfully created
-     */
-    protected static boolean ensureFileExists(final File file) {
-        try {
-            final File parentDir = file.getParentFile();
-            if (parentDir.exists() || parentDir.mkdirs()) {
-                return file.createNewFile();
-            }
-        } catch (final IOException e) {
-            // fail on exceptions creating the file
-        }
-        return false;
-    }
-
-    /**
-     * Build uri for a new temporary file (creating file)
-     * @param authority authority with which to populate uri
-     * @param extension optional file extension
-     * @return unique uri that can be used to write temporary files
-     */
-    protected static Uri buildFileUri(final String authority, final String extension) {
-        final long fileId = Math.abs(RANDOM_ID.nextLong());
-        final Uri.Builder builder = (new Uri.Builder()).authority(authority).scheme(
-                ContentResolver.SCHEME_CONTENT);
-        builder.appendPath(String.valueOf(fileId));
-        if (!TextUtils.isEmpty(extension)) {
-            builder.appendQueryParameter(FILE_EXTENSION_PARAM_KEY, extension);
-        }
-        return builder.build();
-    }
-
-    @Override
-    public boolean onCreate() {
-        return true;
-    }
-
-    @Override
-    public int delete(final Uri uri, final String selection, final String[] selectionArgs) {
-        final String fileId = uri.getPath();
-        if (isValidFileId(fileId)) {
-            final File file = getFile(fileId, getExtensionFromUri(uri));
-            return file.delete() ? 1 : 0;
-        }
-        return 0;
-    }
-
-    @Override
-    public ParcelFileDescriptor openFile(final Uri uri, final String fileMode)
-            throws FileNotFoundException {
-        final String fileId = uri.getPath();
-        if (isValidFileId(fileId)) {
-            final File file = getFile(fileId, getExtensionFromUri(uri));
-            final int mode =
-                    (TextUtils.equals(fileMode, "r") ? ParcelFileDescriptor.MODE_READ_ONLY :
-                        ParcelFileDescriptor.MODE_WRITE_ONLY | ParcelFileDescriptor.MODE_TRUNCATE);
-            return ParcelFileDescriptor.open(file, mode);
-        }
-        return null;
-    }
-
-    protected static String getExtensionFromUri(final Uri uri) {
-        return uri.getQueryParameter(FILE_EXTENSION_PARAM_KEY);
-    }
-
-    @Override
-    public Cursor query(final Uri uri, final String[] projection, final String selection,
-            final String[] selectionArgs, final String sortOrder) {
-        // Don't support queries.
-        return null;
-    }
-
-    @Override
-    public Uri insert(final Uri uri, final ContentValues values) {
-        // Don't support inserts.
-        return null;
-    }
-
-    @Override
-    public int update(final Uri uri, final ContentValues values, final String selection,
-            final String[] selectionArgs) {
-        // Don't support updates.
-        return 0;
-    }
-
-    @Override
-    public String getType(final Uri uri) {
-        // No need for mime types.
-        return null;
-    }
-}