Jabit/core/src/main/java/ch/dissem/bitmessage/entity/payload/GenericPayload.java

89 lines
2.4 KiB
Java

/*
* Copyright 2015 Christian Basler
*
* Licensed 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 ch.dissem.bitmessage.entity.payload;
import ch.dissem.bitmessage.utils.Decode;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.util.Arrays;
/**
* In cases we don't know what to do with an object, we just store its bytes and send it again - we don't really
* have to know what it is.
*/
public class GenericPayload extends ObjectPayload {
private static final long serialVersionUID = -912314085064185940L;
private long stream;
private byte[] data;
public GenericPayload(long version, long stream, byte[] data) {
super(version);
this.stream = stream;
this.data = data;
}
public static GenericPayload read(long version, long stream, InputStream is, int length) throws IOException {
return new GenericPayload(version, stream, Decode.bytes(is, length));
}
@Override
public ObjectType getType() {
return null;
}
@Override
public long getStream() {
return stream;
}
public byte[] getData() {
return data;
}
@Override
public void write(OutputStream stream) throws IOException {
stream.write(data);
}
@Override
public void write(ByteBuffer buffer) {
buffer.put(data);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
GenericPayload that = (GenericPayload) o;
if (stream != that.stream) return false;
return Arrays.equals(data, that.data);
}
@Override
public int hashCode() {
int result = (int) (stream ^ (stream >>> 32));
result = 31 * result + Arrays.hashCode(data);
return result;
}
}