| /* |
| * 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.solr.handler.dataimport; |
| |
| import org.apache.solr.common.util.ContentStream; |
| import static org.apache.solr.handler.dataimport.DataImportHandlerException.SEVERE; |
| |
| import java.io.IOException; |
| import java.io.Reader; |
| import java.util.Properties; |
| |
| /** |
| * A DataSource implementation which reads from the ContentStream of a POST request |
| * <p> |
| * Refer to <a href="http://wiki.apache.org/solr/DataImportHandler">http://wiki.apache.org/solr/DataImportHandler</a> |
| * for more details. |
| * <p> |
| * <b>This API is experimental and may change in the future.</b> |
| * |
| * @since solr 1.4 |
| */ |
| public class ContentStreamDataSource extends DataSource<Reader> { |
| private ContextImpl context; |
| private ContentStream contentStream; |
| private Reader reader; |
| |
| @Override |
| public void init(Context context, Properties initProps) { |
| this.context = (ContextImpl) context; |
| } |
| |
| @Override |
| public Reader getData(String query) { |
| contentStream = context.getDocBuilder().getReqParams().getContentStream(); |
| if (contentStream == null) |
| throw new DataImportHandlerException(SEVERE, "No stream available. The request has no body"); |
| try { |
| return reader = contentStream.getReader(); |
| } catch (IOException e) { |
| DataImportHandlerException.wrapAndThrow(SEVERE, e); |
| return null; |
| } |
| } |
| |
| @Override |
| public void close() { |
| if (contentStream != null) { |
| try { |
| if (reader == null) reader = contentStream.getReader(); |
| reader.close(); |
| } catch (IOException e) { |
| } |
| } |
| } |
| } |