Java tutorial
package com.webwoz.wizard.server.components; /* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ import java.io.InputStream; import java.io.UnsupportedEncodingException; import java.net.URLEncoder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.xpath.XPath; import javax.xml.xpath.XPathConstants; import javax.xml.xpath.XPathFactory; import org.apache.http.HttpEntity; import org.apache.http.HttpHost; import org.apache.http.HttpResponse; import org.apache.http.HttpVersion; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpGet; import org.apache.http.conn.ClientConnectionManager; import org.apache.http.conn.params.ConnRoutePNames; import org.apache.http.conn.scheme.PlainSocketFactory; import org.apache.http.conn.scheme.Scheme; import org.apache.http.conn.scheme.SchemeRegistry; import org.apache.http.conn.ssl.SSLSocketFactory; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager; import org.apache.http.params.BasicHttpParams; import org.apache.http.params.HttpParams; import org.apache.http.params.HttpProtocolParams; import org.w3c.dom.Document; import com.webwoz.wizard.server.MToutComp; public class MToutMicrosoft extends MToutComp { private String uttAudioFile; private String uttMMFile; private String uttText; private HttpClient httpClient; public MToutMicrosoft(int mode) { super.setName("Microsoft Translate"); super.setMode(mode); } public String translate(String inputText, String srcLang, String trgLang) { // initialize connection // adapt proxy and settings to fit your server environments initializeConnection("www-proxy.cs.tcd.ie", 8080); String translation = null; String query = inputText; String MICROSOFT_TRANSLATION_BASE_URL = "http://api.microsofttranslator.com/V2/Http.svc/Translate?"; String appID = "226846CE16BC2542B7916B05CE9284CF4075B843"; try { // encode text query = URLEncoder.encode(query, "UTF-8"); // exchange + for space query = query.replace("+", "%20"); } catch (UnsupportedEncodingException ex) { ex.printStackTrace(); System.out.println(ex); } String requestURL = MICROSOFT_TRANSLATION_BASE_URL + "appid=" + appID + "&from=" + srcLang + "&to=" + trgLang + "&text=" + query; HttpGet getRequest = new HttpGet(requestURL); try { HttpResponse response = httpClient.execute(getRequest); HttpEntity responseEntity = response.getEntity(); InputStream inputStream = responseEntity.getContent(); Document myDocument = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(inputStream); XPathFactory factory = XPathFactory.newInstance(); XPath xPath = factory.newXPath(); translation = (String) xPath.evaluate("/string", myDocument, XPathConstants.STRING); inputStream.close(); translation = translation.trim(); // if the original string did not have a dot at the end, then // remove the dot that Microsoft Translator sometimes places at the // end!! (not so sure it still happens anyway!) if (!inputText.endsWith(".") && (translation.endsWith("."))) { translation = translation.substring(0, translation.length() - 1); } setUttText(translation); } catch (Exception ex) { ex.printStackTrace(); translation = ex.toString(); setUttText(translation); System.out.println(translation); } shutDownConnection(); return translation; } /** * Initializes the HTTP connection necessary for communicating with * Microsoft Translator API. <br> * An overloaded method should be implemented that does not take any proxy * settings (in case no proxy connection is needed). * * @param proxyHostName * @param proxyHostPort */ public void initializeConnection(String proxyHostName, int proxyHostPort) { SchemeRegistry supportedSchemes = new SchemeRegistry(); // Register the "http" and "https" protocol schemes, they are // required by the default operator to look up socket factories. supportedSchemes.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80)); supportedSchemes.register(new Scheme("https", SSLSocketFactory.getSocketFactory(), 443)); // prepare parameters HttpParams params = new BasicHttpParams(); HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1); HttpProtocolParams.setContentCharset(params, "UTF-8"); HttpProtocolParams.setUseExpectContinue(params, true); ClientConnectionManager ccm = new ThreadSafeClientConnManager(params, supportedSchemes); httpClient = new DefaultHttpClient(ccm, params); HttpHost proxyHost = new HttpHost(proxyHostName, proxyHostPort); httpClient.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY, proxyHost); } /** * Shuts down the HTTP connection. */ public void shutDownConnection() { httpClient.getConnectionManager().shutdown(); } public String getResult(String text, String ctrl) { setUttAudio(""); setUttMM(""); return translate(text, ctrl.substring(7, 9), ctrl.substring(9, 11)); } public void setUttAudio(String uttFile) { this.uttAudioFile = uttFile; } public String getUttAudio() { return uttAudioFile; } public void setUttMM(String uttMMFile) { this.uttMMFile = uttMMFile; } public String getUttMM() { return uttMMFile; } public void setUttText(String uttText) { this.uttText = uttText; } public String getUttText() { return uttText; } }