| /* |
| * 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.communication.request.batch; |
| |
| import java.net.URI; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.UUID; |
| |
| import org.apache.olingo.client.api.ODataBatchConstants; |
| import org.apache.olingo.client.api.ODataClient; |
| import org.apache.olingo.client.api.communication.request.ODataPayloadManager; |
| import org.apache.olingo.client.api.communication.request.batch.ODataBatchRequest; |
| import org.apache.olingo.client.api.communication.request.batch.ODataBatchResponseItem; |
| import org.apache.olingo.client.api.communication.response.ODataResponse; |
| import org.apache.olingo.client.core.communication.util.PipedOutputStream; |
| import org.apache.olingo.client.core.communication.request.streamed.AbstractODataStreamedRequest; |
| import org.apache.olingo.commons.api.format.ContentType; |
| import org.apache.olingo.commons.api.http.HttpMethod; |
| |
| /** |
| * This class implements a batch request. |
| */ |
| public abstract class AbstractODataBatchRequest<V extends ODataResponse, T extends ODataPayloadManager<V>> |
| extends AbstractODataStreamedRequest<V, T> { |
| |
| /** |
| * Batch request boundary. |
| */ |
| protected final String boundary; |
| |
| /** |
| * Expected batch response items. |
| */ |
| protected final List<ODataBatchResponseItem> expectedResItems = new ArrayList<ODataBatchResponseItem>(); |
| |
| /** |
| * Constructor. |
| * |
| * @param odataClient client instance getting this request |
| * @param uri batch request URI (http://serviceRoot/$batch) |
| */ |
| protected AbstractODataBatchRequest(final ODataClient odataClient, final URI uri) { |
| super(odataClient, HttpMethod.POST, uri); |
| |
| // create a random UUID value for boundary |
| boundary = "batch_" + UUID.randomUUID().toString(); |
| |
| // specify the contentType header |
| setContentType(ContentType.MULTIPART_MIXED + ";" + ODataBatchConstants.BOUNDARY + "=" + boundary); |
| } |
| |
| protected void addExpectedResItem(final ODataBatchResponseItem item) { |
| expectedResItems.add(item); |
| } |
| |
| public PipedOutputStream getOutputStream() { |
| return (PipedOutputStream) getPayloadManager().getBodyStreamWriter(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| * <br/> |
| * This operation is unsupported by a batch request. |
| */ |
| @Override |
| public void batch(final ODataBatchRequest req) { |
| throw new UnsupportedOperationException("A batch request is not batchable"); |
| } |
| } |