/*
* 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.shh;
import org.ethereum.util.RLP;
import org.ethereum.util.RLPList;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import static org.ethereum.net.shh.ShhMessageCodes.MESSAGE;
/**
* Created by Anton Nashatyrev on 25.09.2015.
*/
public class ShhEnvelopeMessage extends ShhMessage {
private List<WhisperMessage> messages = new ArrayList<>();
public ShhEnvelopeMessage(byte[] encoded) {
super(encoded);
parse();
}
public ShhEnvelopeMessage(WhisperMessage ... msg) {
Collections.addAll(messages, msg);
parsed = true;
}
public ShhEnvelopeMessage(Collection<WhisperMessage> msg) {
messages.addAll(msg);
parsed = true;
}
@Override
public ShhMessageCodes getCommand() {
return MESSAGE;
}
public void addMessage(WhisperMessage msg) {
messages.add(msg);
}
public void parse() {
if (!parsed) {
RLPList paramsList = (RLPList) RLP.decode2(encoded).get(0);
for (int i = 0; i < paramsList.size(); i++) {
messages.add(new WhisperMessage(paramsList.get(i).getRLPData()));
}
this.parsed = true;
}
}
@Override
public byte[] getEncoded() {
if (encoded == null) {
byte[][] encodedMessages = new byte[messages.size()][];
for (int i = 0; i < encodedMessages.length; i++) {
encodedMessages[i] = messages.get(i).getEncoded();
}
encoded = RLP.encodeList(encodedMessages);
}
return encoded;
}
public List<WhisperMessage> getMessages() {
return messages;
}
@Override
public Class<?> getAnswerMessage() {
return null;
}
@Override
public String toString() {
return "[ENVELOPE " + messages.toString() + "]";
}
}