135 lines
4.9 KiB
Java
135 lines
4.9 KiB
Java
package org.gcube.nlphub.nlp;
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import java.io.BufferedReader;
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import java.io.InputStreamReader;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import java.net.URLEncoder;
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import java.util.ArrayList;
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import java.util.List;
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import javax.servlet.http.HttpServletResponse;
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import javax.xml.parsers.DocumentBuilderFactory;
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import org.apache.log4j.Logger;
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import org.gcube.nlphub.legacy.Constants;
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import org.gcube.nlphub.legacy.JsonManager;
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import org.gcube.nlphub.legacy.NlpHubException;
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import org.w3c.dom.Document;
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import org.w3c.dom.NodeList;
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import org.w3c.dom.Node;
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import org.xml.sax.InputSource;
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public class NLpLanguageRecognizer {
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private HttpServletResponse response;
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private Logger logger = Logger.getLogger(NLpLanguageRecognizer.class.getSimpleName());
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private String sentence, publicLink;
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public final static String RECOGNIZER_ID = "org.gcube.dataanalysis.wps.statisticalmanager.synchserver.mappedclasses.transducerers.LANGUAGE_RECOGNIZER";
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private String dataMiner = null;
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public NLpLanguageRecognizer(String service, String token, String sentence) {
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this.sentence = sentence;
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response = null;
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}
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public NLpLanguageRecognizer(String dataMiner, String service, String token, String sentence, String publicLink,
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HttpServletResponse response) {
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this.sentence = sentence;
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this.response = response;
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this.publicLink = publicLink;
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this.dataMiner = dataMiner;
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}
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public static void run(String dataMiner, String sentence, String token, String publicLink, HttpServletResponse response) throws NlpHubException {
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try {
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if(dataMiner == null)
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dataMiner = Constants.DATAMINER_URL;
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else
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dataMiner = "http://" + dataMiner;
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String urlService = dataMiner + "/wps/WebProcessingService?request=Execute&service=WPS&Version=1.0.0";
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urlService += "&gcube-token=" + token;
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urlService += "&lang=en-US";
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urlService += "&Identifier=" + RECOGNIZER_ID;
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urlService += "&DataInputs=sentence=" + URLEncoder.encode(sentence, "UTF-8");
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URL url = new URL(urlService);
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HttpURLConnection connection = (HttpURLConnection) url.openConnection();
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//connection.setRequestProperty(Constants.TOKEN_PARAMETER, super.getToken());
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connection.setDoInput(true);
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connection.setDoOutput(true);
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connection.setUseCaches(false);
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connection.setRequestMethod("GET");
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BufferedReader r = new BufferedReader(new InputStreamReader(connection.getInputStream()));
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Document doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(new InputSource(r));
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doc.getDocumentElement().normalize();
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NodeList nListData = doc.getElementsByTagName("d4science:Data");
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NodeList nListDesc = doc.getElementsByTagName("d4science:Description");
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int len = nListData.getLength();
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for(int i=0; i<len; i++) {
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Node data = nListData.item(i);
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Node description = nListDesc.item(i);
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String link = data.getTextContent();
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String type = description.getTextContent();
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if(type.equals("outfile")) {
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//System.out.println(link);
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String content = readFileContent(link, token);
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if (response != null) {
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response.getWriter()
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.println(new JsonManager().getSuccessJsonResponse(content, publicLink));
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}
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else {
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Logger.getLogger(NLpLanguageRecognizer.class.getSimpleName()).debug(new JsonManager().getSuccessJsonResponse(content, publicLink));
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}
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}
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}
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} catch (Exception e) {
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Logger.getLogger(NLpLanguageRecognizer.class.getSimpleName()).error(e.getLocalizedMessage());
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throw new NlpHubException(e.getLocalizedMessage(), e);
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}
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}
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private static String readFileContent(String link, String token) throws Exception {
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URL url = new URL(link);
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HttpURLConnection connection = (HttpURLConnection) url.openConnection();
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connection.setRequestProperty(Constants.TOKEN_PARAMETER, token);
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connection.setDoInput(true);
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connection.setDoOutput(true);
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connection.setUseCaches(false);
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connection.setRequestMethod("GET");
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BufferedReader r = new BufferedReader(new InputStreamReader(connection.getInputStream()));
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StringBuffer response = new StringBuffer();
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String inputLine;
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while ((inputLine = r.readLine()) != null) {
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response.append(inputLine);
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}
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connection.disconnect();
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String out = response.toString();
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return out;
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}
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/*
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private String readFileContent(String link) throws Exception {
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URL url = new URL(link);
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HttpURLConnection connection = (HttpURLConnection) url.openConnection();
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connection.setRequestProperty(Constants.TOKEN_PARAMETER, super.getToken());
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connection.setDoInput(true);
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connection.setDoOutput(true);
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connection.setUseCaches(false);
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connection.setRequestMethod("GET");
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BufferedReader r = new BufferedReader(new InputStreamReader(connection.getInputStream()));
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StringBuffer response = new StringBuffer();
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String inputLine;
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while ((inputLine = r.readLine()) != null) {
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response.append(inputLine);
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}
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connection.disconnect();
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String out = response.toString();
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return out;
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}*/
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}
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