| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.olingo.client.core.serialization; |
| |
| import java.net.URI; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.commons.lang3.StringUtils; |
| import org.apache.olingo.commons.api.Constants; |
| import org.apache.olingo.commons.api.data.ContextURL; |
| import org.apache.olingo.commons.api.data.ContextURL.Suffix; |
| |
| public class ContextURLParser { |
| |
| public static ContextURL parse(final URI contextURL) { |
| if (contextURL == null) { |
| return null; |
| } |
| |
| final ContextURL.Builder contextUrl = ContextURL.with(); |
| |
| String contextURLasString = contextURL.toASCIIString(); |
| |
| boolean isEntity = false; |
| if (contextURLasString.endsWith("/$entity") || contextURLasString.endsWith("/@Element")) { |
| isEntity = true; |
| contextUrl.suffix(Suffix.ENTITY); |
| contextURLasString = contextURLasString.replace("/$entity", StringUtils.EMPTY). |
| replace("/@Element", StringUtils.EMPTY); |
| } else if (contextURLasString.endsWith("/$ref")) { |
| contextUrl.suffix(Suffix.REFERENCE); |
| contextURLasString = contextURLasString.replace("/$ref", StringUtils.EMPTY); |
| } else if (contextURLasString.endsWith("/$delta")) { |
| contextUrl.suffix(Suffix.DELTA); |
| contextURLasString = contextURLasString.replace("/$delta", StringUtils.EMPTY); |
| } else if (contextURLasString.endsWith("/$deletedEntity")) { |
| contextUrl.suffix(Suffix.DELTA_DELETED_ENTITY); |
| contextURLasString = contextURLasString.replace("/$deletedEntity", StringUtils.EMPTY); |
| } else if (contextURLasString.endsWith("/$link")) { |
| contextUrl.suffix(Suffix.DELTA_LINK); |
| contextURLasString = contextURLasString.replace("/$link", StringUtils.EMPTY); |
| } else if (contextURLasString.endsWith("/$deletedLink")) { |
| contextUrl.suffix(Suffix.DELTA_DELETED_LINK); |
| contextURLasString = contextURLasString.replace("/$deletedLink", StringUtils.EMPTY); |
| } |
| |
| contextUrl.serviceRoot(URI.create(StringUtils.substringBefore(contextURLasString, Constants.METADATA))); |
| |
| final String rest = StringUtils.substringAfter(contextURLasString, Constants.METADATA + "#"); |
| |
| String firstToken; |
| String entitySetOrSingletonOrType; |
| if (rest.startsWith("Collection(")) { |
| firstToken = rest.substring(0, rest.indexOf(')') + 1); |
| entitySetOrSingletonOrType = firstToken; |
| } else { |
| final int openParIdx = rest.indexOf('('); |
| if (openParIdx == -1) { |
| firstToken = StringUtils.substringBeforeLast(rest, "/"); |
| |
| entitySetOrSingletonOrType = firstToken; |
| } else { |
| firstToken = isEntity ? rest : StringUtils.substringBeforeLast(rest, ")") + ")"; |
| |
| final List<String> parts = new ArrayList<String>(); |
| for (String split : firstToken.split("\\)/")) { |
| parts.add(split.replaceAll("\\(.*", "")); |
| } |
| entitySetOrSingletonOrType = StringUtils.join(parts, '/'); |
| final int commaIdx = firstToken.indexOf(','); |
| if (commaIdx != -1) { |
| contextUrl.selectList(firstToken.substring(openParIdx + 1, firstToken.length() - 1)); |
| } |
| } |
| } |
| contextUrl.entitySetOrSingletonOrType(entitySetOrSingletonOrType); |
| |
| final int slashIdx = entitySetOrSingletonOrType.lastIndexOf('/'); |
| if (slashIdx != -1 && entitySetOrSingletonOrType.substring(slashIdx + 1).indexOf('.') != -1) { |
| contextUrl.entitySetOrSingletonOrType(entitySetOrSingletonOrType.substring(0, slashIdx)); |
| contextUrl.derivedEntity(entitySetOrSingletonOrType.substring(slashIdx + 1)); |
| } |
| |
| if (!firstToken.equals(rest)) { |
| final String[] pathElems = StringUtils.substringAfter(rest, "/").split("/"); |
| if (pathElems.length > 0 && pathElems[0].length() > 0) { |
| if (pathElems[0].indexOf('.') == -1) { |
| contextUrl.navOrPropertyPath(pathElems[0]); |
| } else { |
| contextUrl.derivedEntity(pathElems[0]); |
| } |
| |
| if (pathElems.length > 1) { |
| contextUrl.navOrPropertyPath(pathElems[1]); |
| } |
| } |
| } |
| |
| return contextUrl.build(); |
| } |
| } |