Java tutorial
/* * Copyright (C) 2015 Marcel Lehwald * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package io.github.minime89.passbeam.keyboard; import android.util.Log; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import org.simpleframework.xml.ElementList; import org.simpleframework.xml.Root; import java.util.ArrayList; import java.util.Collection; import java.util.Collections; import io.github.minime89.passbeam.FileManager; @Root(strict = false) public class Keycodes { private static final String TAG = Keycodes.class.getSimpleName(); public static final String DEFAULT_ID = "us"; /** * */ private final Collection<Keycode> keycodes; /** * Load the keycodes with the specified keycodes ID. * * @param keycodesId The keycodes ID. * @return Returns loaded keycodes. * @throws FileManager.FileManagerException When keycodes couldn't be loaded. */ public static Keycodes load(String keycodesId) throws FileManager.FileManagerException { FileManager fileManager = new FileManager(); return fileManager.loadKeycodes(keycodesId); } public Keycodes(@ElementList(name = "keycodes", inline = true, required = true) Collection<Keycode> keycodes) { this.keycodes = Collections.unmodifiableCollection(keycodes); } /** * Build all keycodes. This will call {@link Keycode#build(Converter)} for every keycode in * {@link #keycodes}. Any failed keycode build attempts will be ignored. * * @param converter The converter used for possible keycode, keysym and scancode lookups. */ public void build(Converter converter) { for (Keycode keycode : keycodes) { try { keycode.build(converter); } catch (Keycode.KeycodeBuildException e) { Log.v(TAG, e.getMessage()); } } } public Keycode find(Keycode.Ref keycodeRef) { for (Keycode keycode : keycodes) { if (keycode.equals(keycodeRef)) { return keycode; } } return null; } public Collection<Symbol> find(char character) { Collection<Symbol> found = new ArrayList<>(); for (Keycode keycode : keycodes) { Collection<Symbol> symbols = keycode.find(character); found.addAll(symbols); } return found; } public Collection<Symbol> findPrintable() { Collection<Symbol> symbols = new ArrayList<>(); for (Keycode keycode : keycodes) { Collection<Symbol> keycodeSymbols = keycode.getSymbols(); if (keycodeSymbols != null) { for (Symbol keycodeSymbol : keycodeSymbols) { Keysym keysym = keycodeSymbol.getKeysym(); if (keysym.isPrintable()) { symbols.add(keycodeSymbol); } } } } return symbols; } @ElementList(name = "keycodes", inline = true, required = true) public Collection<Keycode> getKeycodes() { return keycodes; } public JSONObject dump() throws JSONException { JSONObject obj = new JSONObject(); JSONArray keycodesArr = new JSONArray(); for (Keycode keycode : keycodes) { keycodesArr.put(keycode.dump()); } obj.put("keycodes", keycodesArr); return obj; } @Override public String toString() { try { return dump().toString(); } catch (JSONException e) { return super.toString(); } } }