| /* |
| * 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.asterix.external.parser; |
| |
| import java.io.DataOutput; |
| import java.io.IOException; |
| |
| import org.apache.asterix.builders.RecordBuilder; |
| import org.apache.asterix.external.api.IDataParser; |
| import org.apache.asterix.external.api.IRawRecord; |
| import org.apache.asterix.external.api.IRecordDataParser; |
| import org.apache.asterix.om.base.AMutableRecord; |
| import org.apache.asterix.om.base.AMutableString; |
| import org.apache.asterix.om.types.ARecordType; |
| |
| import com.sun.syndication.feed.synd.SyndEntryImpl; |
| |
| public class RSSParser implements IRecordDataParser<SyndEntryImpl> { |
| private long id = 0; |
| private String idPrefix; |
| private AMutableString[] mutableFields; |
| private String[] tupleFieldValues; |
| private AMutableRecord mutableRecord; |
| private RecordBuilder recordBuilder = new RecordBuilder(); |
| private int numFields; |
| |
| public RSSParser(ARecordType recordType) { |
| mutableFields = new AMutableString[] { new AMutableString(null), new AMutableString(null), |
| new AMutableString(null), new AMutableString(null) }; |
| mutableRecord = new AMutableRecord(recordType, mutableFields); |
| tupleFieldValues = new String[recordType.getFieldNames().length]; |
| numFields = recordType.getFieldNames().length; |
| } |
| |
| @Override |
| public void parse(IRawRecord<? extends SyndEntryImpl> record, DataOutput out) throws IOException { |
| SyndEntryImpl entry = record.get(); |
| tupleFieldValues[0] = idPrefix + ":" + id; |
| tupleFieldValues[1] = entry.getTitle(); |
| tupleFieldValues[2] = entry.getDescription().getValue(); |
| tupleFieldValues[3] = entry.getLink(); |
| for (int i = 0; i < numFields; i++) { |
| mutableFields[i].setValue(tupleFieldValues[i]); |
| mutableRecord.setValueAtPos(i, mutableFields[i]); |
| } |
| recordBuilder.reset(mutableRecord.getType()); |
| recordBuilder.init(); |
| IDataParser.writeRecord(mutableRecord, out, recordBuilder); |
| id++; |
| } |
| } |