Java tutorial
/** * Copyright 2010 Google Inc. * * 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 at.supp; import org.apache.commons.codec.binary.Base64; import org.apache.commons.codec.binary.StringUtils; import com.google.common.base.Joiner; import com.google.gson.Gson; import com.google.gson.JsonObject; /** * Some utility functions for {@link JsonToken}s. */ public class JsonTokenUtil2 { static public final String DELIMITER = "."; public static String toBase64(JsonObject json) { return convertToBase64(toJson(json)); } public static String toJson(JsonObject json) { return new Gson().toJson(json); } public static String convertToBase64(String source) { return Base64.encodeBase64URLSafeString(StringUtils.getBytesUtf8(source)); } public static String decodeFromBase64String(String encoded) { return new String(Base64.decodeBase64(encoded)); } public static String fromBase64ToJsonString(String source) { return StringUtils.newStringUtf8(Base64.decodeBase64(source)); } public static String toDotFormat(String... parts) { return Joiner.on('.').useForNull("").join(parts); } private JsonTokenUtil2() { } }