com.kdcloud.lib.client.StubClient.java Source code

Introduction

Here is the source code for com.kdcloud.lib.client.StubClient.java

Source

/**
 * Copyright (C) 2012 Vincenzo Pirrone
 * 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 2 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, write to the Free Software Foundation, Inc., 51
 * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
package com.kdcloud.lib.client;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.List;
import java.util.Vector;

import javax.xml.parsers.ParserConfigurationException;

import org.restlet.data.Status;
import org.restlet.resource.ResourceException;
import org.w3c.dom.Document;

import weka.core.DenseInstance;
import weka.core.Instances;

import com.kdcloud.lib.domain.ModalitySpecification;

public class StubClient extends BaseClient {

    public StubClient(String url) throws ParserConfigurationException {
        super(url);
        // TODO Auto-generated constructor stub
    }

    public StubClient(String url, ModalitySpecification modality) throws ParserConfigurationException {
        super(url, modality);
        // TODO Auto-generated constructor stub
    }

    @Override
    public void log(String message, Throwable thrown) {
        System.out.println(message);
        thrown.printStackTrace();
    }

    public static double[] readData(String file) {
        BufferedReader in = null;
        Vector<Double> sign = new Vector<Double>();
        try {
            InputStream stream = StubClient.class.getClassLoader().getResourceAsStream(file);
            in = new BufferedReader(new InputStreamReader(stream));
            String line = in.readLine(); //header
            line = in.readLine();
            while (line != null) {
                // System.out.print(line+"\t");
                // System.out.println(Double.parseDouble(line));
                sign.add(Double.parseDouble(line));
                line = in.readLine();
            }
            ;
            in.close();

        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        double[] res = new double[sign.size()];
        for (int i = 0; i < sign.size(); i++) {
            res[i] = sign.get(i);
        }
        return res;
    }

    @Override
    public Instances getData() {
        double[] values = readData("ecg_small.csv");
        log("data length: " + values.length);
        Instances data = modality.getInputSpecification().newInstances("test");
        for (int i = 0; i < values.length; i++) {
            double[] cells = { values[i] };
            data.add(new DenseInstance(1, cells));
        }
        return data;
    }

    @Override
    public String handleChoice(String parameterName, String[] choices) {
        return choices[0];
    }

    @Override
    public void report(Document view) {
        System.out.println("this is a report");
    }

    public static void main(String[] args) throws Exception {
        //      String url = "http://localhost:8888";
        String url = "https://snapshot.kd-cloud.appspot.com";
        BaseClient kdcloud = new StubClient(url);
        kdcloud.setRepeatAllowed(false);
        kdcloud.setAuthentication("admin", "admin");
        List<ModalitySpecification> modalities = kdcloud.getModalities();
        ModalitySpecification dataFeed = modalities.get(0);
        kdcloud.setModality(dataFeed);
        kdcloud.executeModality();
        ModalitySpecification single = modalities.get(1);
        kdcloud.setModality(single);
        kdcloud.executeModality();
        ModalitySpecification global = modalities.get(2);
        kdcloud.setModality(global);
        kdcloud.executeModality();
    }

    @Override
    public void log(String message) {
        System.out.println(message);
    }

    @Override
    public void handleResourceException(Status status, ResourceException e) {
        System.out.println(status);
    }

}