| /* |
| * |
| * 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.qpid.server.store.berkeleydb; |
| |
| import org.apache.qpid.framing.FieldTable; |
| |
| import com.sleepycat.bind.tuple.TupleInput; |
| import com.sleepycat.bind.tuple.TupleOutput; |
| import com.sleepycat.je.DatabaseException; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.DataInputStream; |
| import java.io.IOException; |
| |
| public class FieldTableEncoding |
| { |
| public static FieldTable readFieldTable(TupleInput tupleInput) throws DatabaseException |
| { |
| long length = tupleInput.readLong(); |
| if (length <= 0) |
| { |
| return null; |
| } |
| else |
| { |
| |
| byte[] data = new byte[(int)length]; |
| tupleInput.readFast(data); |
| |
| try |
| { |
| return new FieldTable(new DataInputStream(new ByteArrayInputStream(data)),length); |
| } |
| catch (IOException e) |
| { |
| throw new RuntimeException(e); |
| } |
| |
| } |
| |
| } |
| |
| public static void writeFieldTable(FieldTable fieldTable, TupleOutput tupleOutput) |
| { |
| |
| if (fieldTable == null) |
| { |
| tupleOutput.writeLong(0); |
| } |
| else |
| { |
| tupleOutput.writeLong(fieldTable.getEncodedSize()); |
| tupleOutput.writeFast(fieldTable.getDataAsBytes()); |
| } |
| } |
| } |