Transcriber.java Source code

Introduction

Here is the source code for Transcriber.java

Source

/*
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import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import org.apache.commons.io.IOUtils;
import java.util.concurrent.*;
import org.json.*;

/**
 *
 * @author tom
 */
public class Transcriber implements Runnable {
    String language = "en-US";
    String key = "AIzaSyBOti4mM-6x9WDnZIjIeyEU21OpBXqWBgw";
    String uri = "http://www.google.com/speech-api/v2/recognize?client=chromium&lang=" + language + "&key=" + key;

    private BlockingQueue<ByteArrayOutputStream> queue;

    public Transcriber(BlockingQueue<ByteArrayOutputStream> queue) {
        this.queue = queue;
    }

    // @Override
    public void run() {
        while (true) {
            try {
                ByteArrayOutputStream wav = queue.take();
                String text = process(wav);
                System.out.println(text);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }

    public String process(ByteArrayOutputStream wav) throws Exception {
        // Create connection
        URL url = new URL(uri);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("POST");
        connection.setRequestProperty("Content-Type", "audio/l16; rate=16000");
        connection.setRequestProperty("User-Agent",
                "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2227.1 Safari/537.36");

        //connection.setUseCaches(false);
        connection.setDoOutput(true);

        // Write wav to request body
        OutputStream out = connection.getOutputStream();
        //InputStream in = new FileInputStream("hello.wav");
        wav.writeTo(out);
        out.close();

        //Get Response
        BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
        String line = null;

        String ignore = in.readLine(); // skip first empty results line
        //System.out.println("ignore = " + ignore);

        StringBuilder responseData = new StringBuilder();
        while ((line = in.readLine()) != null) {
            responseData.append(line);
        }

        String result = responseData.toString();

        if (!result.isEmpty()) {
            JSONObject obj = new JSONObject(result);
            String text = obj.getJSONArray("result").getJSONObject(0).getJSONArray("alternative").getJSONObject(0)
                    .getString("transcript");
            return text;
        }

        return "";
    }
}