| /* |
| * |
| * 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.protocol.v1_0.codec; |
| |
| import org.apache.qpid.server.protocol.v1_0.type.Symbol; |
| import org.apache.qpid.bytebuffer.QpidByteBuffer; |
| |
| import java.nio.charset.Charset; |
| |
| public class SymbolWriter extends VariableWidthWriter<Symbol> |
| { |
| private static final Charset ENCODING_CHARSET = Charset.forName("US-ASCII"); |
| public static final byte LARGE_ENCODING_CODE = (byte) 0xb3; |
| public static final byte SMALL_ENCODING_CODE = (byte) 0xa3; |
| private Symbol _value; |
| |
| |
| @Override |
| protected byte getFourOctetEncodingCode() |
| { |
| return LARGE_ENCODING_CODE; |
| } |
| |
| @Override |
| protected byte getSingleOctetEncodingCode() |
| { |
| return SMALL_ENCODING_CODE; |
| } |
| |
| @Override |
| public void setValue(Symbol value) |
| { |
| _value = value; |
| super.setValue(value); |
| } |
| |
| public boolean isCacheable() |
| { |
| return true; |
| } |
| |
| @Override |
| protected void clearValue() |
| { |
| _value = null; |
| } |
| |
| @Override |
| protected boolean hasValue() |
| { |
| return _value != null; |
| } |
| |
| @Override |
| protected int getLength() |
| { |
| return _value.length(); |
| } |
| |
| @Override |
| protected void writeBytes(QpidByteBuffer buf, int offset, int length) |
| { |
| int end = offset + length; |
| for(int i = offset; i < end; i++) |
| { |
| buf.put((byte)_value.charAt(i)); |
| } |
| } |
| |
| private static Factory<Symbol> FACTORY = new Factory<Symbol>() |
| { |
| |
| public ValueWriter<Symbol> newInstance(Registry registry) |
| { |
| return new SymbolWriter(); |
| } |
| }; |
| |
| public static void register(ValueWriter.Registry registry) |
| { |
| registry.register(Symbol.class, FACTORY); |
| } |
| } |