append database SQL Selection - Android Database

Android examples for Database:SQL Query

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Description

append database SQL Selection

Demo Code

/*/*  w  w w . jav a  2s . co  m*/
 * Copyright (C) 2010, T-Mobile USA, Inc.
 *
 * 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.book2s;

import android.text.TextUtils;

public class Main {
    public static String appendSelection(String selection, String extra) {
        if (TextUtils.isEmpty(extra)) {
            throw new IllegalArgumentException(
                    "extra must be non-null and non-empty");
        }
        if (TextUtils.isEmpty(selection)) {
            return extra;
        }
        return "(" + selection + ") AND " + extra;
    }
}

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