| /******************************************************************************* |
| * 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.io.IOException; |
| import java.io.Writer; |
| import java.util.List; |
| import java.util.Map; |
| |
| 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.FormatJson; |
| import org.apache.olingo.odata2.core.ep.util.JsonStreamWriter; |
| import org.apache.olingo.odata2.core.ep.util.JsonUtils; |
| |
| public class JsonDeletedEntryEntityProducer { |
| |
| private EntityProviderWriteProperties properties; |
| |
| public JsonDeletedEntryEntityProducer(final EntityProviderWriteProperties properties) { |
| this.properties = properties; |
| } |
| |
| public void append(final Writer writer, final EntityInfoAggregator entityInfo, |
| final List<Map<String, Object>> deletedEntries, boolean noPreviousEntries) |
| throws EntityProviderException { |
| JsonStreamWriter jsonStreamWriter = new JsonStreamWriter(writer); |
| try { |
| if (!deletedEntries.isEmpty()) { |
| if(!noPreviousEntries){ |
| jsonStreamWriter.separator(); |
| } |
| int counter = 0; |
| for (Map<String, Object> deletedEntry : deletedEntries) { |
| jsonStreamWriter.beginObject(); |
| |
| String odataContextValue = JsonUtils.createODataContextValueForTombstone(entityInfo.getEntitySetName()); |
| String selfLink = AtomEntryEntityProducer.createSelfLink(entityInfo, deletedEntry, null); |
| String idValue = properties.getServiceRoot().toASCIIString() + selfLink; |
| |
| jsonStreamWriter.namedStringValue(FormatJson.ODATA_CONTEXT, odataContextValue); |
| jsonStreamWriter.separator(); |
| jsonStreamWriter.namedStringValue(FormatJson.ID, idValue); |
| jsonStreamWriter.endObject(); |
| |
| if (counter < deletedEntries.size() - 1) { |
| jsonStreamWriter.separator(); |
| } |
| |
| counter++; |
| } |
| } |
| } catch (final IOException e) { |
| throw new EntityProviderProducerException(EntityProviderException.EXCEPTION_OCCURRED.addContent(e.getClass() |
| .getSimpleName()), e); |
| } |
| |
| } |
| |
| } |