/*
* Copyright (c) [2016] [ <ether.camp> ]
* This file is part of the ethereumJ library.
*
* The ethereumJ library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The ethereumJ library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the ethereumJ library. If not, see <http://www.gnu.org/licenses/>.
*/
package org.ethereum.net.client;
import org.ethereum.config.SystemProperties;
import org.ethereum.net.eth.EthVersion;
import org.ethereum.net.shh.ShhHandler;
import org.ethereum.net.swarm.bzz.BzzHandler;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import java.util.ArrayList;
import java.util.List;
import java.util.SortedSet;
import java.util.TreeSet;
import static org.ethereum.net.eth.EthVersion.fromCode;
import static org.ethereum.net.client.Capability.*;
/**
* Created by Anton Nashatyrev on 13.10.2015.
*/
@Component
public class ConfigCapabilities {
SystemProperties config;
private SortedSet<Capability> AllCaps = new TreeSet<>();
@Autowired
public ConfigCapabilities(final SystemProperties config) {
this.config = config;
if (config.syncVersion() != null) {
EthVersion eth = fromCode(config.syncVersion());
if (eth != null) AllCaps.add(new Capability(ETH, eth.getCode()));
} else {
for (EthVersion v : EthVersion.supported())
AllCaps.add(new Capability(ETH, v.getCode()));
}
AllCaps.add(new Capability(SHH, ShhHandler.VERSION));
AllCaps.add(new Capability(BZZ, BzzHandler.VERSION));
}
/**
* Gets the capabilities listed in 'peer.capabilities' config property
* sorted by their names.
*/
public List<Capability> getConfigCapabilities() {
List<Capability> ret = new ArrayList<>();
List<String> caps = config.peerCapabilities();
for (Capability capability : AllCaps) {
if (caps.contains(capability.getName())) {
ret.add(capability);
}
}
return ret;
}
}