/*
* 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.felix.karaf.shell.commands;
import java.util.List;
import jline.History;
import org.apache.felix.gogo.commands.Command;
import org.apache.felix.karaf.shell.console.OsgiCommandSupport;
import org.fusesource.jansi.Ansi;
/**
* History command
*/
@Command(scope = "shell", name="history", description="Prints command history")
public class HistoryAction extends OsgiCommandSupport {
@Override
protected Object doExecute() throws Exception {
History history = (History) session.get(".jline.history");
List<String> elements = history.getHistoryList();
int i = 0;
for (String element : elements) {
System.out.println(
Ansi.ansi()
.a(" ")
.a(Ansi.Attribute.INTENSITY_BOLD).render("%3d", i).a(Ansi.Attribute.INTENSITY_BOLD_OFF)
.a(" ")
.a(element)
.toString());
i++;
}
return null;
}
}