ua.divas.mob.util.JsonReader.java Source code

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Here is the source code for ua.divas.mob.util.JsonReader.java

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/*
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package ua.divas.mob.util;

import com.google.common.base.Function;
import com.google.common.base.Joiner;
import com.google.common.collect.Iterables;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.io.UnsupportedEncodingException;
import java.net.URL;
import java.net.URLEncoder;
import java.nio.charset.Charset;
import java.util.Map;
import java.util.Map.Entry;
import org.json.JSONException;
import org.json.JSONObject;

/**
 *
 * @author bakum
 */
public class JsonReader {

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

    public static JSONObject read(final String url) throws IOException, JSONException {
        try (InputStream is = new URL(url).openStream()) {
            final BufferedReader rd = new BufferedReader(new InputStreamReader(is, Charset.forName("UTF-8")));
            final String jsonText = readAll(rd);
            final JSONObject json = new JSONObject(jsonText);
            return json;
        }
    }

    public static String encodeParams(final Map<String, String> params) {
        final String paramsUrl = Joiner.on('&').join(//    key1=value1&key2=value2...
                Iterables.transform(params.entrySet(), new Function<Entry<String, String>, String>() {

                    @Override
                    public String apply(final Entry<String, String> input) {
                        try {
                            final StringBuffer buffer = new StringBuffer();
                            buffer.append(input.getKey());//    key=value
                            buffer.append('=');
                            buffer.append(URLEncoder.encode(input.getValue(), "utf-8"));//  ?  ?? ? ? HTML 4.01
                            return buffer.toString();
                        } catch (final UnsupportedEncodingException e) {
                            throw new RuntimeException(e);
                        }
                    }
                }));
        return paramsUrl;
    }
}