Java tutorial
/* * Copyright (c) 2006-2017 DMDirc Developers * * 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.dmdirc.addons.mediasource_windows; import com.dmdirc.addons.nowplaying.MediaSource; import com.dmdirc.addons.nowplaying.MediaSourceManager; import com.dmdirc.plugins.PluginDomain; import com.dmdirc.plugins.PluginInfo; import com.dmdirc.plugins.PluginManager; import com.dmdirc.plugins.implementations.PluginFilesHelper; import com.dmdirc.util.io.StreamUtils; import com.google.common.io.CharStreams; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.List; import javax.inject.Inject; /** * Manages all Windows based media sources. */ public class WindowsMediaSourceManager implements MediaSourceManager { /** Media sources. */ private final List<MediaSource> sources; /** Plugin files helper. */ private final PluginFilesHelper filesHelper; @Inject public WindowsMediaSourceManager(final PluginManager pluginManager, @PluginDomain(WindowsMediaSourcePlugin.class) final PluginInfo pluginInfo) { this.filesHelper = new PluginFilesHelper(pluginManager, pluginInfo); sources = new ArrayList<>(); sources.add(new DllSource(this, "Winamp", true)); sources.add(new DllSource(this, "iTunes", false)); } public void onLoad() { // Extract the .dlls and .exe try { filesHelper.extractResourcesEndingWith(".dll"); filesHelper.extractResourcesEndingWith(".exe"); } catch (IOException ex) { throw new IllegalStateException("Unable to extract needed files: " + ex.getMessage(), ex); } } @Override public List<MediaSource> getSources() { return sources; } /** * Get the output from GetMediaInfo.exe for the given player and method * * @param player Player to ask about * @param method Method to call * * @return a MediaInfoOutput with the results */ protected MediaInfoOutput getOutput(final String player, final String method) { try { final Process myProcess = Runtime.getRuntime() .exec(new String[] { filesHelper.getFilesDirString() + "GetMediaInfo.exe", player, method }); StreamUtils.readStream(myProcess.getErrorStream()); final String data = CharStreams.toString(new InputStreamReader(myProcess.getInputStream())); try { myProcess.waitFor(); } catch (InterruptedException e) { } return new MediaInfoOutput(myProcess.exitValue(), data); } catch (SecurityException | IOException e) { } return new MediaInfoOutput(-1, "Error executing GetMediaInfo.exe"); } }