org.sonar.duplications.statement.StatementChannelDisptacher Maven / Gradle / Ivy
/*
* SonarQube
* Copyright (C) 2009-2017 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.duplications.statement;
import java.util.List;
import org.sonar.duplications.token.Token;
import org.sonar.duplications.token.TokenQueue;
public class StatementChannelDisptacher {
private final StatementChannel[] channels;
public StatementChannelDisptacher(List channels) {
this.channels = channels.toArray(new StatementChannel[channels.size()]);
}
public boolean consume(TokenQueue tokenQueue, List statements) {
Token nextToken = tokenQueue.peek();
while (nextToken != null) {
boolean channelConsumed = false;
for (StatementChannel channel : channels) {
if (channel.consume(tokenQueue, statements)) {
channelConsumed = true;
break;
}
}
if (!channelConsumed) {
throw new IllegalStateException("None of the statement channel has been able to consume token: " + nextToken);
}
nextToken = tokenQueue.peek();
}
return true;
}
}