| /* |
| * 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.server.core.serializer.utils; |
| |
| import java.net.URI; |
| |
| import org.apache.olingo.commons.api.Constants; |
| import org.apache.olingo.commons.api.data.ContextURL; |
| import org.apache.olingo.commons.core.Encoder; |
| |
| /** |
| * Builder to build a context URL (as defined in the <a |
| * href="http://docs.oasis-open.org/odata/odata/v4.0/os/part1-protocol/odata-v4.0-os-part1-protocol.html#_Toc372793655"> |
| * protocol specification</a>). |
| */ |
| public final class ContextURLBuilder { |
| |
| public static URI create(final ContextURL contextURL) { |
| StringBuilder result = new StringBuilder(); |
| if (contextURL.getServiceRoot() != null) { |
| result.append(contextURL.getServiceRoot()); |
| } |
| result.append(Constants.METADATA); |
| if (contextURL.getEntitySetOrSingletonOrType() != null) { |
| result.append('#'); |
| if(contextURL.isCollection()) { |
| result.append("Collection(") |
| .append(Encoder.encode(contextURL.getEntitySetOrSingletonOrType())) |
| .append(")"); |
| } else { |
| result.append(Encoder.encode(contextURL.getEntitySetOrSingletonOrType())); |
| } |
| } |
| if (contextURL.getDerivedEntity() != null) { |
| if (contextURL.getEntitySetOrSingletonOrType() == null) { |
| throw new IllegalArgumentException("ContextURL: Derived Type without anything to derive from!"); |
| } |
| result.append('/').append(Encoder.encode(contextURL.getDerivedEntity())); |
| } |
| if (contextURL.getKeyPath() != null) { |
| result.append('(').append(contextURL.getKeyPath()).append(')'); |
| } |
| if (contextURL.getNavOrPropertyPath() != null) { |
| result.append('/').append(contextURL.getNavOrPropertyPath()); |
| } |
| if (contextURL.getSelectList() != null) { |
| result.append('(').append(contextURL.getSelectList()).append(')'); |
| } |
| if (contextURL.isReference()) { |
| if (contextURL.getEntitySetOrSingletonOrType() != null) { |
| throw new IllegalArgumentException("ContextURL: $ref with Entity Set"); |
| } |
| result.append('#').append(ContextURL.Suffix.REFERENCE.getRepresentation()); |
| } else if (contextURL.getSuffix() != null) { |
| if (contextURL.getEntitySetOrSingletonOrType() == null) { |
| throw new IllegalArgumentException("ContextURL: Suffix without preceding Entity Set!"); |
| } |
| result.append('/').append(contextURL.getSuffix().getRepresentation()); |
| } |
| return URI.create(result.toString()); |
| } |
| } |