76 lines
2.0 KiB
Java
76 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;
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import ch.dissem.bitmessage.entity.valueobject.NetworkAddress;
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import ch.dissem.bitmessage.utils.Encode;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.List;
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/**
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* The 'addr' command holds a list of known active Bitmessage nodes.
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*/
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public class Addr implements MessagePayload {
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private final List<NetworkAddress> addresses;
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private Addr(Builder builder) {
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addresses = builder.addresses;
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}
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@Override
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public Command getCommand() {
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return Command.ADDR;
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}
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public List<NetworkAddress> getAddresses() {
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return addresses;
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}
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@Override
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public void write(OutputStream stream) throws IOException {
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Encode.varInt(addresses.size(), stream);
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for (NetworkAddress address : addresses) {
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address.write(stream);
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}
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}
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public static final class Builder {
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private List<NetworkAddress> addresses = new ArrayList<NetworkAddress>();
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public Builder() {
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}
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public Builder addresses(Collection<NetworkAddress> addresses){
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this.addresses.addAll(addresses);
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return this;
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}
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public Builder addAddress(final NetworkAddress address) {
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this.addresses.add(address);
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return this;
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}
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public Addr build() {
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return new Addr(this);
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}
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}
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}
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