get Entity from Context - Android App

Android examples for App:Context

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  4. Context

Description

get Entity from Context

Demo Code

/* /*from w  w  w  .  j  av a  2s . co  m*/
 * Copyright (C) 2013 The Drycake 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.java2s;

import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.DatabaseUtils;
import android.net.Uri;

public class Main {
    public static ContentValues getEntity(Context context, Uri uri,
            String[] projection) {
        return getEntity(context.getContentResolver(), uri, projection);
    }

    public static ContentValues getEntity(ContentResolver cr, Uri uri,
            String[] projection) {
        return getEntity(cr, uri, projection, null, null);
    }

    public static ContentValues getEntity(Context context, Uri uri,
            String[] projection, String selection, String[] selectionArgs) {
        return getEntity(context.getContentResolver(), uri, projection,
                selection, selectionArgs);
    }

    public static ContentValues getEntity(ContentResolver cr, Uri uri,
            String[] projection, String selection, String[] selectionArgs) {
        return getEntity(cr, uri, projection, selection, selectionArgs,
                null);
    }

    public static ContentValues getEntity(Context context, Uri uri,
            String[] projection, String selection, String[] selectionArgs,
            String sortOrder) {
        return getEntity(context.getContentResolver(), uri, projection,
                selection, selectionArgs, sortOrder);
    }

    public static ContentValues getEntity(ContentResolver cr, Uri uri,
            String[] projection, String selection, String[] selectionArgs,
            String sortOrder) {
        ContentValues values = null;
        Cursor cursor = null;
        try {
            cursor = cr.query(uri, projection, selection, selectionArgs,
                    sortOrder);
            if (cursor.moveToNext()) {
                values = new ContentValues();
                DatabaseUtils.cursorRowToContentValues(cursor, values);
            }
        } finally {
            if (cursor != null) {
                cursor.close();
            }
        }
        return values;
    }
}

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