networkedassets.Useful.java Source code

Introduction

Here is the source code for networkedassets.Useful.java

Source

/*
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package networkedassets;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.io.Reader;
import java.nio.charset.Charset;
import java.net.HttpURLConnection;
import java.io.OutputStreamWriter;
import org.json.JSONException;
import org.json.JSONObject;

/**
 *
 * @author ffrea_000
 */
public class Useful {

    private static String readAll(Reader rd) throws IOException {
        StringBuilder sb = new StringBuilder();
        int cp;
        while ((cp = rd.read()) != -1) {
            sb.append((char) cp);
        }
        return sb.toString();
    }

    public static JSONObject readJsonFromUrl(String urlString) throws IOException {

        return readJsonFromUrl(urlString, "", "");
    }

    public static JSONObject readJsonFromUrl(String urlString, String username, String password)
            throws IOException, JSONException {

        URL url = new URL(urlString);
        URLConnection conn = url.openConnection();

        if (username.length() > 0 && password.length() > 0) {
            String encoded = Base64.encodeToString((username + ":" + password).getBytes(), false);
            conn.setRequestProperty("Authorization", "Basic " + encoded);
        }

        InputStream is = conn.getInputStream();

        try {
            BufferedReader rd = new BufferedReader(new InputStreamReader(is, Charset.forName("UTF-8")));
            String jsonText = readAll(rd);
            JSONObject json = new JSONObject(jsonText);
            return json;
        } finally {
            is.close();
        }
    }

    public static String http(String obj, String addr, String method) throws IOException, JSONException {

        URL url = new URL(addr);
        HttpURLConnection httpCon = (HttpURLConnection) url.openConnection();
        httpCon.setDoOutput(true);
        httpCon.setRequestMethod(method);
        OutputStreamWriter out = new OutputStreamWriter(httpCon.getOutputStream());
        out.write(obj);
        out.close();
        InputStream is = httpCon.getInputStream();
        try {
            BufferedReader rd = new BufferedReader(new InputStreamReader(is, Charset.forName("UTF-8")));

            return readAll(rd);
        } finally {
            is.close();
        }
    }

}