Main.java Source code

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//package com.java2s;
/*
 * 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 android.content.ContentResolver;
import android.database.Cursor;

import android.net.Uri;

import android.provider.MediaStore;
import android.text.TextUtils;

import java.io.File;

public class Main {
    private static final String SCHEME_FILE = "file";
    private static final String SCHEME_CONTENT = "content";

    public static File getFromMediaUri(ContentResolver resolver, Uri uri) {
        if (uri == null)
            return null;

        if (SCHEME_FILE.equals(uri.getScheme())) {
            return new File(uri.getPath());
        } else if (SCHEME_CONTENT.equals(uri.getScheme())) {
            final String[] filePathColumn = { MediaStore.MediaColumns.DATA, MediaStore.MediaColumns.DISPLAY_NAME };
            Cursor cursor = null;
            try {
                cursor = resolver.query(uri, filePathColumn, null, null, null);
                if (cursor != null && cursor.moveToFirst()) {
                    final int columnIndex = (uri.toString().startsWith("content://com.google.android.gallery3d"))
                            ? cursor.getColumnIndex(MediaStore.MediaColumns.DISPLAY_NAME)
                            : cursor.getColumnIndex(MediaStore.MediaColumns.DATA);
                    // Picasa image on newer devices with Honeycomb and up
                    if (columnIndex != -1) {
                        String filePath = cursor.getString(columnIndex);
                        if (!TextUtils.isEmpty(filePath)) {
                            return new File(filePath);
                        }
                    }
                }
            } catch (SecurityException ignored) {
                // Nothing we can do
            } finally {
                if (cursor != null)
                    cursor.close();
            }
        }
        return null;
    }
}