Java tutorial
/** * Copyright 2007 DFKI GmbH. * All Rights Reserved. Use is subject to license terms. * * This file is part of MARY TTS. * * MARY TTS is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, version 3 of the License. * * 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * */ package marytts.server.http; import java.io.IOException; import java.io.UnsupportedEncodingException; import java.util.Locale; import java.util.Map; import marytts.features.FeatureProcessorManager; import marytts.features.FeatureRegistry; import marytts.modules.synthesis.Voice; import marytts.util.MaryRuntimeUtils; import marytts.util.MaryUtils; import marytts.util.http.Address; import org.apache.http.HttpResponse; import org.apache.http.HttpStatus; import org.apache.http.nio.entity.NStringEntity; /** * Processor class for information http requests to Mary server * * @author Oytun Türk, Marc Schröder */ public class InfoRequestHandler extends BaseHttpRequestHandler { public InfoRequestHandler() { super(); } @Override protected void handleClientRequest(String absPath, Map<String, String> queryItems, HttpResponse response, Address serverAddressAtClient) throws IOException { // Individual info request String infoResponse = handleInfoRequest(absPath, queryItems, response); if (infoResponse == null) { // error condition, handleInfoRequest has set an error message return; } response.setStatusCode(HttpStatus.SC_OK); try { NStringEntity entity = new NStringEntity(infoResponse, "UTF-8"); entity.setContentType("text/plain; charset=UTF-8"); response.setEntity(entity); } catch (UnsupportedEncodingException e) { } } private String handleInfoRequest(String absPath, Map<String, String> queryItems, HttpResponse response) { logger.debug("New info request: " + absPath); if (queryItems != null) { for (String key : queryItems.keySet()) { logger.debug(" " + key + "=" + queryItems.get(key)); } } assert absPath.startsWith("/") : "Absolute path '" + absPath + "' does not start with a slash!"; String request = absPath.substring(1); // without the initial slash if (request.equals("version")) return MaryRuntimeUtils.getMaryVersion(); else if (request.equals("datatypes")) return MaryRuntimeUtils.getDataTypes(); else if (request.equals("locales")) return MaryRuntimeUtils.getLocales(); else if (request.equals("voices")) return MaryRuntimeUtils.getVoices(); else if (request.equals("audioformats")) return MaryRuntimeUtils.getAudioFileFormatTypes(); else if (request.equals("exampletext")) { if (queryItems != null) { // Voice example text String voice = queryItems.get("voice"); if (voice != null) { return MaryRuntimeUtils.getVoiceExampleText(voice); } String datatype = queryItems.get("datatype"); String locale = queryItems.get("locale"); if (datatype != null && locale != null) { Locale loc = MaryUtils.string2locale(locale); return MaryRuntimeUtils.getExampleText(datatype, loc); } } MaryHttpServerUtils.errorMissingQueryParameter(response, "'datatype' and 'locale' or 'voice'"); return null; } else if (request.equals("audioeffects")) return MaryRuntimeUtils.getDefaultAudioEffects(); else if (request.equals("audioeffect-default-param")) { if (queryItems != null) { String effect = queryItems.get("effect"); if (effect != null) return MaryRuntimeUtils.getAudioEffectDefaultParam(effect); } MaryHttpServerUtils.errorMissingQueryParameter(response, "'effect'"); return null; } else if (request.equals("audioeffect-full")) { if (queryItems != null) { String effect = queryItems.get("effect"); String params = queryItems.get("params"); if (effect != null && params != null) { return MaryRuntimeUtils.getFullAudioEffect(effect, params); } } MaryHttpServerUtils.errorMissingQueryParameter(response, "'effect' and 'params'"); return null; } else if (request.equals("audioeffect-help")) { if (queryItems != null) { String effect = queryItems.get("effect"); if (effect != null) { return MaryRuntimeUtils.getAudioEffectHelpText(effect); } } MaryHttpServerUtils.errorMissingQueryParameter(response, "'effect'"); return null; } else if (request.equals("audioeffect-is-hmm-effect")) { if (queryItems != null) { String effect = queryItems.get("effect"); if (effect != null) { return MaryRuntimeUtils.isHmmAudioEffect(effect); } } MaryHttpServerUtils.errorMissingQueryParameter(response, "'effect'"); return null; } else if (request.equals("features") || request.equals("features-discrete")) { if (queryItems != null) { // List of features that can be computed for the voice FeatureProcessorManager mgr = null; String voiceName = queryItems.get("voice"); String localeName = queryItems.get("locale"); if (voiceName != null) { Voice voice = Voice.getVoice(voiceName); if (voice == null) { MaryHttpServerUtils.errorWrongQueryParameterValue(response, "voice", voiceName, "No voice with that name"); return null; } mgr = FeatureRegistry.getFeatureProcessorManager(voice); if (mgr == null) { mgr = FeatureRegistry.getFeatureProcessorManager(voice.getLocale()); } if (mgr == null) { mgr = FeatureRegistry .getFeatureProcessorManager(new Locale(voice.getLocale().getLanguage())); } if (mgr == null) { mgr = FeatureRegistry.getFallbackFeatureProcessorManager(); } } else if (localeName != null) { Locale locale = MaryUtils.string2locale(localeName); mgr = FeatureRegistry.getFeatureProcessorManager(locale); if (mgr == null) { mgr = FeatureRegistry.getFeatureProcessorManager(new Locale(locale.getLanguage())); } if (mgr == null) { StringBuilder localeList = new StringBuilder(); for (Locale l : FeatureRegistry.getSupportedLocales()) { if (localeList.length() > 0) localeList.append(","); localeList.append(l.toString()); } MaryHttpServerUtils.errorWrongQueryParameterValue(response, "locale", localeName, "The locale is not supported.<br />" + "Supported locales: <code>" + localeList + "</code>"); return null; } } if (mgr != null) if (request.equals("features-discrete")) { String discreteFeatureNames = mgr.listByteValuedFeatureProcessorNames() + mgr.listShortValuedFeatureProcessorNames(); return discreteFeatureNames; } return mgr.listFeatureProcessorNames(); } MaryHttpServerUtils.errorMissingQueryParameter(response, "'voice' or 'locale'"); return null; } else if (request.equals("vocalizations")) { if (queryItems != null) { String voice = queryItems.get("voice"); if (voice != null) { return MaryRuntimeUtils.getVocalizations(voice); } } MaryHttpServerUtils.errorMissingQueryParameter(response, "'voice'"); return null; } else if (request.equals("styles")) { if (queryItems != null) { String voice = queryItems.get("voice"); if (voice != null) { return MaryRuntimeUtils.getStyles(voice); } } MaryHttpServerUtils.errorMissingQueryParameter(response, "'voice'"); return null; } MaryHttpServerUtils.errorFileNotFound(response, request); return null; } }