com.opensmile.maven.bashClassifier.java Source code

Introduction

Here is the source code for com.opensmile.maven.bashClassifier.java

Source

/***
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
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 General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
***/

package com.opensmile.maven;

import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;

import org.json.JSONException;
import org.json.JSONObject;

public class bashClassifier extends Classifier {
    String run_command = "";

    @Override
    public boolean configure(JSONObject json) {
        run_command = json.getString("run_command");
        entry = json.getString("entry");
        intype = json.getString("intype");
        return true;
    }

    @Override
    public JSONObject classify(String audioFile) {
        String line = "";
        String fullLine = "";
        int idx = run_command.lastIndexOf("/");
        String full_path = paths.SMILExtractDir + run_command.substring(0, idx);
        String str = "bash " + paths.SMILExtractDir + run_command + " " + audioFile;
        try {
            logger_instance.write(1, "full_path=" + full_path);
            logger_instance.write(1, "bash command: " + str);
            for (int trial = 0; trial < 3; trial++) {
                fullLine = "";
                Process p = Runtime.getRuntime().exec(str, null, new File(full_path));
                p.waitFor();
                logger_instance.write(1, "bash command performed");
                BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));
                while ((line = in.readLine()) != null)
                    fullLine = fullLine + line;
                in = new BufferedReader(new InputStreamReader(p.getErrorStream()));
                while ((line = in.readLine()) != null)
                    fullLine = fullLine + line;
                if (fullLine.length() > 0)
                    break;
            }
            logger_instance.write(1, "bash output:" + fullLine);
        } catch (IOException | InterruptedException e) {
            e.printStackTrace();
        }
        JSONObject jo = null;
        try {
            jo = new JSONObject(fullLine.substring(fullLine.indexOf("{")));
        } catch (JSONException e) {
            System.out.println(fullLine);
            e.printStackTrace();
        } catch (StringIndexOutOfBoundsException e) {
            System.out.println(fullLine);
            e.printStackTrace();
        }

        JSONObject jop = new JSONObject();
        switch ((String) jo.get("TYPE")) {
        case "regression":
            double out = jo.getDouble("VALUE");
            jop = createJsonEntry(entry, out);
            break;
        case "classification":
            jop = createJsonEntry(entry, jo.getJSONArray("PROB"));
            break;
        }
        return jop;
    }

}