| /******************************************************************************* |
| * 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.odata2.core.ep.producer; |
| |
| import java.util.List; |
| import java.util.Map; |
| |
| import javax.xml.stream.XMLStreamException; |
| import javax.xml.stream.XMLStreamWriter; |
| |
| import org.apache.olingo.odata2.api.edm.Edm; |
| import org.apache.olingo.odata2.api.ep.EntityProviderException; |
| import org.apache.olingo.odata2.api.ep.EntityProviderWriteProperties; |
| import org.apache.olingo.odata2.core.ep.EntityProviderProducerException; |
| import org.apache.olingo.odata2.core.ep.aggregator.EntityInfoAggregator; |
| import org.apache.olingo.odata2.core.ep.util.FormatXml; |
| |
| /** |
| * Provider for writing a collection of links |
| * |
| */ |
| public class XmlLinksEntityProducer { |
| |
| private final EntityProviderWriteProperties properties; |
| |
| public XmlLinksEntityProducer(final EntityProviderWriteProperties properties) throws EntityProviderException { |
| this.properties = properties == null ? EntityProviderWriteProperties.serviceRoot(null).build() : properties; |
| } |
| |
| public void append(final XMLStreamWriter writer, final EntityInfoAggregator entityInfo, |
| final List<Map<String, Object>> data) throws EntityProviderException { |
| try { |
| writer.writeStartElement(FormatXml.D_LINKS); |
| writer.writeDefaultNamespace(Edm.NAMESPACE_D_2007_08); |
| if (properties.getInlineCount() != null) { |
| writer.writeStartElement(Edm.PREFIX_M, FormatXml.M_COUNT, Edm.NAMESPACE_M_2007_08); |
| writer.writeNamespace(Edm.PREFIX_M, Edm.NAMESPACE_M_2007_08); |
| writer.writeCharacters(properties.getInlineCount().toString()); |
| writer.writeEndElement(); |
| } |
| XmlLinkEntityProducer provider = new XmlLinkEntityProducer(properties); |
| for (final Map<String, Object> entityData : data) { |
| provider.append(writer, entityInfo, entityData, false); |
| } |
| writer.writeEndElement(); |
| writer.flush(); |
| } catch (final XMLStreamException e) { |
| throw new EntityProviderProducerException(EntityProviderException.COMMON, e); |
| } |
| } |
| } |