| /* |
| * 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.protonj2.types.messaging; |
| |
| import org.apache.qpid.protonj2.buffer.ProtonBuffer; |
| import org.apache.qpid.protonj2.types.Binary; |
| import org.apache.qpid.protonj2.types.Symbol; |
| import org.apache.qpid.protonj2.types.UnsignedLong; |
| |
| public final class Data implements Section<byte[]> { |
| |
| public static final UnsignedLong DESCRIPTOR_CODE = UnsignedLong.valueOf(0x0000000000000075L); |
| public static final Symbol DESCRIPTOR_SYMBOL = Symbol.valueOf("amqp:data:binary"); |
| |
| private final Binary value; |
| |
| public Data(Binary value) { |
| this.value = value; |
| } |
| |
| public Data(ProtonBuffer value) { |
| this.value = value != null ? new Binary(value) : null; |
| } |
| |
| public Data(byte[] value) { |
| this.value = value != null ? new Binary(value) : null; |
| } |
| |
| public Data(byte[] value, int offset, int length) { |
| this.value = value != null ? new Binary(value, offset, length) : null; |
| } |
| |
| public Data copy() { |
| return new Data(value == null ? null : value.copy()); |
| } |
| |
| public Binary getBinary() { |
| return value; |
| } |
| |
| /** |
| * Returns the backing array for this Data {@link Section} copying the contents into a new array |
| * instance if the backing array in the contained Binary is a subsequence of a larger referenced |
| * array instance. |
| * |
| * @return the byte array view of this Data {@link Section} {@link Binary} payload. |
| */ |
| @Override |
| public byte[] getValue() { |
| if (value != null && value.hasArray() && value.getArrayOffset() == 0 && value.getLength() == value.getArray().length) { |
| return value.getArray(); |
| } else { |
| return value != null ? value.arrayCopy() : null; |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return "Data{ " + value + " }"; |
| } |
| |
| @Override |
| public SectionType getType() { |
| return SectionType.Data; |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + ((value == null) ? 0 : value.hashCode()); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null) { |
| return false; |
| } |
| if (getClass() != obj.getClass()) { |
| return false; |
| } |
| |
| Data other = (Data) obj; |
| if (value == null) { |
| if (other.value != null) { |
| return false; |
| } |
| } else if (!value.equals(other.value)) { |
| return false; |
| } |
| |
| return true; |
| } |
| } |