60 lines
2.0 KiB
Java
60 lines
2.0 KiB
Java
/*
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* Copyright 2015 Christian Basler
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package ch.dissem.bitmessage.entity.payload;
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import ch.dissem.bitmessage.entity.BitmessageAddress;
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import ch.dissem.bitmessage.entity.Plaintext;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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/**
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* Users who are subscribed to the sending address will see the message appear in their inbox.
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* Broadcasts are version 4 or 5.
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*/
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public class V4Broadcast extends Broadcast {
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protected V4Broadcast(long version, long stream, CryptoBox encrypted, Plaintext plaintext) {
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super(version, stream, encrypted, plaintext);
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}
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public V4Broadcast(BitmessageAddress senderAddress, Plaintext plaintext) {
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super(4, senderAddress.getStream(), null, plaintext);
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if (senderAddress.getVersion() >= 4)
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throw new IllegalArgumentException("Address version 3 or older expected, but was " + senderAddress.getVersion());
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}
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public static V4Broadcast read(InputStream in, long stream, int length) throws IOException {
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return new V4Broadcast(4, stream, CryptoBox.read(in, length), null);
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}
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@Override
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public ObjectType getType() {
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return ObjectType.BROADCAST;
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}
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@Override
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public void writeBytesToSign(OutputStream out) throws IOException {
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plaintext.write(out, false);
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}
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@Override
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public void write(OutputStream out) throws IOException {
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encrypted.write(out);
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}
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}
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