Java tutorial
/** ============== GPL License ============== 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/>. ============== Commercial License============== https://github.com/karuradev/licenses/blob/master/toc.txt */ package com.karura.framework.utils; import java.util.Iterator; import org.json.JSONException; import org.json.JSONObject; import android.net.Uri.Builder; import android.net.UrlQuerySanitizer; public class UrlUtils { public static UrlQuerySanitizer sanitizeQuery(String query, String[] parameters) { UrlQuerySanitizer sanitizer = new UrlQuerySanitizer(); sanitizer.registerParameters(parameters, UrlQuerySanitizer.getSpaceLegal()); sanitizer.parseUrl(query); return sanitizer; } public static String jsonToQuery(String jsonString, String scheme, String authority) throws JSONException { Builder builder = new Builder(); builder.scheme(scheme); builder.authority(authority); JSONObject json = new JSONObject(jsonString.trim()); Iterator<?> keys = json.keys(); String key = null; String value = null; while (keys.hasNext()) { key = String.valueOf(keys.next()); value = String.valueOf(json.get(key)); builder.appendQueryParameter(key, value); } return builder.build().toString(); } }