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- /*
- * Copyright (c) 2006-2010 Chris Smith, Shane Mc Cormack, Gregory Holmes
- *
- * 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_vlc;
-
- import com.dmdirc.addons.nowplaying.MediaSource;
- import com.dmdirc.addons.nowplaying.MediaSourceState;
- import com.dmdirc.config.IdentityManager;
- import com.dmdirc.config.prefs.PreferencesCategory;
- import com.dmdirc.config.prefs.PreferencesManager;
- import com.dmdirc.config.prefs.PreferencesSetting;
- import com.dmdirc.config.prefs.PreferencesType;
- import com.dmdirc.plugins.Plugin;
- import com.dmdirc.util.Downloader;
-
- import java.io.File;
- import java.io.IOException;
- import java.net.MalformedURLException;
- import java.util.HashMap;
- import java.util.List;
- import java.util.Map;
-
- /**
- * Retrieves information from VLC using its HTTP interface.
- *
- * @author chris
- */
- public class VlcMediaSourcePlugin extends Plugin implements MediaSource {
-
- /** The information obtained from VLC. */
- private final Map<String, String> information
- = new HashMap<String, String>();
-
- /** {@inheritDoc} */
- @Override
- public MediaSourceState getState() {
- if (fetchInformation()) {
- final String output = information.get("state");
- if (output.equalsIgnoreCase("stop")) {
- return MediaSourceState.STOPPED;
- } else if (output.equalsIgnoreCase("playing")) {
- return MediaSourceState.PLAYING;
- } else if (output.equalsIgnoreCase("paused")) {
- return MediaSourceState.PAUSED;
- } else {
- return MediaSourceState.NOTKNOWN;
- }
- } else {
- return MediaSourceState.CLOSED;
- }
- }
-
- /** {@inheritDoc} */
- @Override
- public String getAppName() {
- return "VLC";
- }
-
- /** {@inheritDoc} */
- @Override
- public String getArtist() {
- return information.containsKey("artist") ? information.get("artist") :
- getFallbackArtist();
- }
-
- /**
- * Retrieves the fallback artist (parsed from the file name).
- *
- * @return The fallback artist
- */
- private String getFallbackArtist() {
- String result = "unknown";
-
- if (information.containsKey("playlist_current")) {
- try {
- final int item = Integer.parseInt(information.get("playlist_current"));
- String[] bits = information.get("playlist_item_" + item).split(
- (File.separatorChar=='\\' ? "\\\\" : File.separator));
- result = bits[bits.length-1];
- bits = result.split("-");
- if (bits.length > 1) {
- result = bits[0];
- } else {
- // Whole filename is the title, so no artist is known.
- result = "unknown";
- }
- } catch (NumberFormatException nfe) {
- // DO nothing
- }
- }
-
- return result;
- }
-
- /** {@inheritDoc} */
- @Override
- public String getTitle() {
- return information.containsKey("title") ? information.get("title")
- : getFallbackTitle();
- }
-
- /**
- * Retrieves the fallback title (parsed from the file name).
- *
- * @return The fallback title
- */
- private String getFallbackTitle() {
- String result = "unknown";
-
- // Title is unknown, lets guess using the filename
- if (information.containsKey("playlist_current")) {
- try {
- final int item = Integer.parseInt(information.get("playlist_current"));
- result = information.get("playlist_item_" + item);
-
- final int sepIndex = result.lastIndexOf(File.separatorChar);
- final int extIndex = result.lastIndexOf('.');
- result = result.substring(sepIndex,
- extIndex > sepIndex ? extIndex : result.length());
-
- final int offset = result.indexOf('-');
- if (offset > -1) {
- result = result.substring(offset + 1).trim();
- }
- } catch (NumberFormatException nfe) {
- // Do nothing
- }
- }
-
- return result;
- }
-
- /** {@inheritDoc} */
- @Override
- public String getAlbum() {
- return information.containsKey("album/movie/show title")
- ? information.get("album/movie/show title") : "unknown";
- }
-
- /** {@inheritDoc} */
- @Override
- public String getLength() {
- // This is just seconds, could do with formatting.
- return information.containsKey("length") ? information.get("length")
- : "unknown";
- }
-
- /** {@inheritDoc} */
- @Override
- public String getTime() {
- // This is just seconds, could do with formatting.
- return information.containsKey("time") ? information.get("time")
- : "unknown";
- }
-
- /** {@inheritDoc} */
- @Override
- public String getFormat() {
- return information.containsKey("codec") ? information.get("codec")
- : "unknown";
- }
-
- /** {@inheritDoc} */
- @Override
- public String getBitrate() {
- return information.containsKey("bitrate") ? information.get("bitrate")
- : "unknown";
- }
-
- /** {@inheritDoc} */
- @Override
- public void onLoad() {
- // Do nothing
- }
-
- /** {@inheritDoc} */
- @Override
- public void onUnload() {
- // Do nothing
- }
-
- /** {@inheritDoc} */
- @Override
- public void showConfig(final PreferencesManager manager) {
- final PreferencesCategory general = new PreferencesCategory("VLC Media Source",
- "", "category-vlc");
- final PreferencesCategory instr = new PreferencesCategory("Instructions",
- "", new InstructionsPanel());
-
- general.addSetting(new PreferencesSetting(PreferencesType.TEXT,
- getDomain(), "host", "Hostname and port",
- "The host and port that VLC listens on for web connections"));
-
- manager.getCategory("Plugins").addSubCategory(general);
- general.addSubCategory(instr.setInline());
- }
-
- /**
- * Attempts to fetch information from VLC's web interface.
- *
- * @return True on success, false otherwise
- */
- private boolean fetchInformation() {
- information.clear();
- List<String> res;
- List<String> res2;
-
- try {
- res = Downloader.getPage("http://" +
- IdentityManager.getGlobalConfig().getOption(getDomain(),
- "host") + "/old/info.html");
- res2 = Downloader.getPage("http://" +
- IdentityManager.getGlobalConfig().getOption(getDomain(),
- "host") + "/old/");
- } catch (MalformedURLException ex) {
- return false;
- } catch (IOException ex) {
- return false;
- }
-
- parseInformation(res, res2);
-
- return true;
- }
-
- /**
- * Parses the information from the two pages obtained from VLC's web
- * interface.
- *
- * @param res The first page of VLC info (/old/info.html)
- * @param res2 The second page of VLC info (/old/)
- */
- protected void parseInformation(final List<String> res,
- final List<String> res2) {
- for (String line : res) {
- final String tline = line.trim();
-
- if (tline.startsWith("<li>")) {
- final int colon = tline.indexOf(':');
- final String key = tline.substring(5, colon).trim().toLowerCase();
- final String value = tline.substring(colon + 1, tline.length() - 5).trim();
-
- information.put(key, value);
- }
- }
-
- boolean isPlaylist = false;
- boolean isCurrent = false;
- boolean isItem = false;
- int playlistItem = 0;
- for (String line : res2) {
- final String tline = line.trim();
-
- if (isPlaylist) {
- if (tline.startsWith("</ul>")) {
- isPlaylist = false;
- information.put("playlist_items", Integer.toString(playlistItem));
- } else if (tline.equalsIgnoreCase("<strong>")) {
- isCurrent = true;
- } else if (tline.equalsIgnoreCase("</strong>")) {
- isCurrent = false;
- } else if (tline.startsWith("<a href=\"?control=play&")) {
- isItem = true;
- } else if (isItem) {
- String itemname = tline;
- if (itemname.endsWith("</a>")) {
- itemname = itemname.substring(0, itemname.length()-4);
- }
- if (!itemname.isEmpty()) {
- if (isCurrent) {
- information.put("playlist_current", Integer.toString(playlistItem));
- }
- information.put("playlist_item_"+Integer.toString(playlistItem++),
- itemname);
- }
- isItem = false;
- }
- } else if (tline.equalsIgnoreCase("<!-- Playlist -->")) {
- isPlaylist = true;
- } else if (tline.startsWith("State:")) {
- information.put("state", tline.substring(6, tline.indexOf('<')).trim());
- } else if (tline.startsWith("got_")) {
- final int equals = tline.indexOf('=');
-
- information.put(tline.substring(4, equals).trim(),
- tline.substring(equals + 1, tline.length() - 1).trim());
- }
- }
- }
-
- }
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