Java tutorial
/* * * * Copyright 2013 Jive Software * * * * Licensed under the Apache License, Version 2.0 (the "License"); * * you may not use this file except in compliance with the License. * * You may obtain a copy of the License at * * * * http://www.apache.org/licenses/LICENSE-2.0 * * * * Unless required by applicable law or agreed to in writing, software * * distributed under the License is distributed on an "AS IS" BASIS, * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * * See the License for the specific language governing permissions and * * limitations under the License. * */ package com.jivesoftware.sdk.util; import java.io.IOException; import java.io.UnsupportedEncodingException; import java.net.URLDecoder; import java.net.URLEncoder; import java.nio.charset.StandardCharsets; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.fasterxml.jackson.databind.ObjectMapper; /** * Created by rrutan on 1/30/14. */ public class JiveSDKUtils { private static final Logger log = LoggerFactory.getLogger(JiveSDKUtils.class); public static String encodeUrl(String url) { try { return URLEncoder.encode(url, StandardCharsets.UTF_8.name()); } catch (UnsupportedEncodingException uee) { log.warn("Failed encoding URL using UTF-8 charset" + uee.getMessage()); //noinspection deprecation return url; } // end try/catch } // encodeUrl public static String decodeUrl(String url) { try { return URLDecoder.decode(url, StandardCharsets.UTF_8.name()); } catch (UnsupportedEncodingException uee) { //TODO: LOGGER System.err.println("Failed decoding URL using UTF-8 charset" + uee.getMessage()); //noinspection deprecation return url; } } /** * Check if all the items are presented and not empty * * @param items : Checked items * @return : * true -> if all the items are presented. * false -> if at least one is absent or empty. */ public static boolean isAllExist(Object... items) { if (items == null) { return false; } for (Object item : items) { if (item == null || item.toString().isEmpty()) { return false; } } return true; } public static String getJson(Object object) { ObjectMapper mapper = new ObjectMapper(); try { return mapper.writerWithDefaultPrettyPrinter().writeValueAsString(object); } catch (IOException ioe) { log.error("Unknown Error", ioe); } // end try/catch return null; } // end getJson } // end class