src/com/android/tv/util/SqlParams.java

/*
 * Copyright (C) 2017 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.tv.util;

import android.database.DatabaseUtils;
import android.support.annotation.Nullable;
import java.util.Arrays;

/** Convenience class for SQL operations. */
public class SqlParams {
    private String mTables;
    private @Nullable String mSelection;
    private @Nullable String[] mSelectionArgs;

    public SqlParams(String tables, @Nullable String selection, @Nullable String... selectionArgs) {
        setTables(tables);
        setWhere(selection, selectionArgs);
    }

    public String getTables() {
        return mTables;
    }

    public @Nullable String getSelection() {
        return mSelection;
    }

    public @Nullable String[] getSelectionArgs() {
        return mSelectionArgs;
    }

    public void setTables(String tables) {
        mTables = tables;
    }

    public void setWhere(String selection, String... selectionArgs) {
        mSelection = selection;
        mSelectionArgs = selectionArgs;
    }

    public void appendWhere(String selection, String... selectionArgs) {
        mSelection = DatabaseUtils.concatenateWhere(mSelection, selection);
        if (selectionArgs != null) {
            mSelectionArgs = DatabaseUtils.appendSelectionArgs(mSelectionArgs, selectionArgs);
        }
    }

    public void appendWhereEquals(String name, String value) {
        appendWhere(name + "=?", value);
    }

    @Override
    public String toString() {
        return "tables  "
                + getTables()
                + " where "
                + getSelection()
                + " with "
                + Arrays.toString(getSelectionArgs());
    }
}