/*
*
* Copyright (c) 2013 - 2017 Lijun Liao
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
*
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
* THE AUTHOR LIJUN LIAO. LIJUN LIAO DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
* OF THIRD PARTY RIGHTS.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License.
*
* You can be released from the requirements of the license by purchasing
* a commercial license. Buying such a license is mandatory as soon as you
* develop commercial activities involving the XiPKI software without
* disclosing the source code of your own applications.
*
* For more information, please contact Lijun Liao at this
* address: lijun.liao@gmail.com
*/
package org.xipki.commons.console.karaf;
import java.util.LinkedList;
import java.util.List;
import java.util.StringTokenizer;
import org.apache.karaf.shell.api.console.CommandLine;
import org.apache.karaf.shell.api.console.Completer;
import org.apache.karaf.shell.api.console.Session;
import org.apache.karaf.shell.support.completers.StringsCompleter;
import org.xipki.commons.common.util.ParamUtil;
/**
* @author Lijun Liao
* @since 2.0.0
*/
public abstract class AbstractEnumCompleter implements Completer {
private final List<String> enums = new LinkedList<>();
protected void setTokens(final String tokens) {
ParamUtil.requireNonNull("tokens", tokens);
enums.clear();
StringTokenizer st = new StringTokenizer(tokens, ", ");
while (st.hasMoreTokens()) {
enums.add(st.nextToken());
}
}
@Override
public int complete(final Session session, final CommandLine commandLine,
final List<String> candidates) {
StringsCompleter delegate = new StringsCompleter();
for (String entry : enums) {
delegate.getStrings().add(entry);
}
return delegate.complete(session, commandLine, candidates);
}
}