/*
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*
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* * Copyright (C) 2019 Amit Shekhar
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* * Copyright (C) 2011 Android Open Source Project
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* *
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* * Licensed under the Apache License, Version 2.0 (the "License");
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* * you may not use this file except in compliance with the License.
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* * You may obtain a copy of the License at
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* *
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* * http://www.apache.org/licenses/LICENSE-2.0
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* *
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* * Unless required by applicable law or agreed to in writing, software
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* * distributed under the License is distributed on an "AS IS" BASIS,
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* * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* * See the License for the specific language governing permissions and
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* * limitations under the License.
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*
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*/
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package com.amitshekhar.utils;
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import android.content.Context;
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import android.content.SharedPreferences;
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import com.amitshekhar.model.Response;
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import com.amitshekhar.model.RowDataRequest;
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import com.amitshekhar.model.TableDataResponse;
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import com.amitshekhar.model.UpdateRowResponse;
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import org.json.JSONArray;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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/**
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* Created by amitshekhar on 06/02/17.
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*/
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public class PrefHelper {
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private static final String PREFS_SUFFIX = ".xml";
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private PrefHelper() {
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// This class in not publicly instantiable
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}
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public static List<String> getSharedPreferenceTags(Context context) {
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ArrayList<String> tags = new ArrayList<>();
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String rootPath = context.getApplicationInfo().dataDir + "/shared_prefs";
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File root = new File(rootPath);
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if (root.exists()) {
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for (File file : root.listFiles()) {
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String fileName = file.getName();
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if (fileName.endsWith(PREFS_SUFFIX)) {
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tags.add(fileName.substring(0, fileName.length() - PREFS_SUFFIX.length()));
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}
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}
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}
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Collections.sort(tags);
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return tags;
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}
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public static Response getAllPrefTableName(Context context) {
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Response response = new Response();
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List<String> prefTags = getSharedPreferenceTags(context);
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for (String tag : prefTags) {
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response.rows.add(tag);
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}
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response.isSuccessful = true;
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return response;
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}
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public static TableDataResponse getAllPrefData(Context context, String tag) {
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TableDataResponse response = new TableDataResponse();
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response.isEditable = true;
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response.isSuccessful = true;
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response.isSelectQuery = true;
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TableDataResponse.TableInfo keyInfo = new TableDataResponse.TableInfo();
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keyInfo.isPrimary = true;
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keyInfo.title = "Key";
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TableDataResponse.TableInfo valueInfo = new TableDataResponse.TableInfo();
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valueInfo.isPrimary = false;
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valueInfo.title = "Value";
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response.tableInfos = new ArrayList<>();
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response.tableInfos.add(keyInfo);
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response.tableInfos.add(valueInfo);
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response.rows = new ArrayList<>();
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SharedPreferences preferences = context.getSharedPreferences(tag, Context.MODE_PRIVATE);
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Map<String, ?> allEntries = preferences.getAll();
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for (Map.Entry<String, ?> entry : allEntries.entrySet()) {
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List<TableDataResponse.ColumnData> row = new ArrayList<>();
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TableDataResponse.ColumnData keyColumnData = new TableDataResponse.ColumnData();
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keyColumnData.dataType = DataType.TEXT;
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keyColumnData.value = entry.getKey();
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row.add(keyColumnData);
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TableDataResponse.ColumnData valueColumnData = new TableDataResponse.ColumnData();
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valueColumnData.value = entry.getValue().toString();
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if (entry.getValue() != null) {
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if (entry.getValue() instanceof String) {
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valueColumnData.dataType = DataType.TEXT;
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} else if (entry.getValue() instanceof Integer) {
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valueColumnData.dataType = DataType.INTEGER;
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} else if (entry.getValue() instanceof Long) {
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valueColumnData.dataType = DataType.LONG;
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} else if (entry.getValue() instanceof Float) {
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valueColumnData.dataType = DataType.FLOAT;
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} else if (entry.getValue() instanceof Boolean) {
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valueColumnData.dataType = DataType.BOOLEAN;
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} else if (entry.getValue() instanceof Set) {
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valueColumnData.dataType = DataType.STRING_SET;
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}
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} else {
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valueColumnData.dataType = DataType.TEXT;
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}
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row.add(valueColumnData);
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response.rows.add(row);
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}
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return response;
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}
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public static UpdateRowResponse addOrUpdateRow(Context context, String tableName,
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List<RowDataRequest> rowDataRequests) {
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UpdateRowResponse updateRowResponse = new UpdateRowResponse();
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if (tableName == null) {
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return updateRowResponse;
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}
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RowDataRequest rowDataKey = rowDataRequests.get(0);
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RowDataRequest rowDataValue = rowDataRequests.get(1);
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String key = rowDataKey.value;
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String value = rowDataValue.value;
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String dataType = rowDataValue.dataType;
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if (Constants.NULL.equals(value)) {
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value = null;
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}
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SharedPreferences preferences = context.getSharedPreferences(tableName, Context.MODE_PRIVATE);
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try {
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switch (dataType) {
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case DataType.TEXT:
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preferences.edit().putString(key, value).apply();
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updateRowResponse.isSuccessful = true;
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break;
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case DataType.INTEGER:
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preferences.edit().putInt(key, Integer.valueOf(value)).apply();
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updateRowResponse.isSuccessful = true;
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break;
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case DataType.LONG:
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preferences.edit().putLong(key, Long.valueOf(value)).apply();
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updateRowResponse.isSuccessful = true;
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break;
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case DataType.FLOAT:
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preferences.edit().putFloat(key, Float.valueOf(value)).apply();
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updateRowResponse.isSuccessful = true;
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break;
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case DataType.BOOLEAN:
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preferences.edit().putBoolean(key, Boolean.valueOf(value)).apply();
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updateRowResponse.isSuccessful = true;
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break;
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case DataType.STRING_SET:
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JSONArray jsonArray = new JSONArray(value);
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Set<String> stringSet = new HashSet<>();
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for (int i = 0; i < jsonArray.length(); i++) {
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stringSet.add(jsonArray.getString(i));
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}
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preferences.edit().putStringSet(key, stringSet).apply();
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updateRowResponse.isSuccessful = true;
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break;
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default:
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preferences.edit().putString(key, value).apply();
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updateRowResponse.isSuccessful = true;
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return updateRowResponse;
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}
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public static UpdateRowResponse deleteRow(Context context, String tableName,
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List<RowDataRequest> rowDataRequests) {
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UpdateRowResponse updateRowResponse = new UpdateRowResponse();
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if (tableName == null) {
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return updateRowResponse;
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}
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RowDataRequest rowDataKey = rowDataRequests.get(0);
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String key = rowDataKey.value;
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SharedPreferences preferences = context.getSharedPreferences(tableName, Context.MODE_PRIVATE);
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try {
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preferences.edit()
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.remove(key).apply();
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updateRowResponse.isSuccessful = true;
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} catch (Exception ex) {
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updateRowResponse.isSuccessful = false;
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}
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return updateRowResponse;
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}
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}
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