Java tutorial
// Copyright (c) 2017-2018, Tom Geiselmann // // Permission is hereby granted, free of charge, to any person obtaining a copy of this software // and associated documentation files (the "Software"), to deal in the Software without restriction, // including without limitation the rights to use, copy, modify, merge, publish, distribute, // sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all copies or // substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, // INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY,WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN // CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. package com.none.tom.simplerssreader.feed; import com.none.tom.simplerssreader.db.DbEntry; import com.none.tom.simplerssreader.utils.SearchResults; import com.none.tom.simplerssreader.utils.SearchUtils; import org.apache.commons.lang3.StringUtils; import java.util.ArrayList; import java.util.Collections; import java.util.LinkedHashMap; import java.util.List; public class SavedEntries { private static List<DbEntry> sDbEntries; public static String asString() { final StringBuilder savedEntries = new StringBuilder(); for (final DbEntry entry : sDbEntries) { savedEntries.append(String.format("%s\n%s\n\n", entry.getEntryTitle(), entry.getEntryUrl())); } return savedEntries.toString(); } public static void addSavedEntries(final List<DbEntry> savedEntries) { if (sDbEntries == null) { sDbEntries = new ArrayList<>(); } else if (!sDbEntries.isEmpty()) { sDbEntries.clear(); } sDbEntries.addAll(savedEntries); } public static String getSavedEntryUrlAt(final int index) { return sDbEntries.get(index).getEntryUrl(); } public static String getSavedEntryTitleAt(final int index) { return sDbEntries.get(index).getEntryTitle(); } public static DbEntry getSavedEntryAt(final int index) { return sDbEntries.get(index); } public static void removeSavedEntryAt(final int index) { sDbEntries.remove(index); } public static SearchResults getSearchResultsFor(final String query, final int position) { final List<Integer> positions = new ArrayList<>(); final List<LinkedHashMap<Integer, Integer>> indices = new ArrayList<>(); int i = 0; for (final DbEntry entry : sDbEntries) { final String title = entry.getEntryTitle(); if (StringUtils.containsIgnoreCase(title, query)) { indices.add(SearchUtils.getIndicesForQuery(title, query)); positions.add(i); } i++; } return new SearchResults(position, positions, indices); } public static void reverse() { Collections.reverse(sDbEntries); } public static int size() { return sDbEntries.size(); } }