/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.karaf.shell.impl.console;
import org.apache.karaf.shell.api.console.History;
import java.io.IOException;
import java.io.UncheckedIOException;
public class HistoryWrapper implements History {
private final org.jline.reader.History history;
public HistoryWrapper(org.jline.reader.History history) {
this.history = history;
}
@Override
public void clear() {
try {
history.purge();
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
public int first() {
return history.iterator().next().index() + 1;
}
public int last() {
return first() + history.size() - 1;
}
@Override
public CharSequence get(int index) {
return history.get(index - 1);
}
}