/*
* 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.shell.impl;
import java.io.PrintStream;
import java.util.StringTokenizer;
import org.apache.felix.shell.Command;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
import org.osgi.service.startlevel.StartLevel;
public class StartLevelCommandImpl implements Command
{
private BundleContext m_context = null;
public StartLevelCommandImpl(BundleContext context)
{
m_context = context;
}
public String getName()
{
return "startlevel";
}
public String getUsage()
{
return "startlevel [<level>]";
}
public String getShortDescription()
{
return "get or set framework start level.";
}
public void execute(String s, PrintStream out, PrintStream err)
{
// Get start level service.
ServiceReference ref = m_context.getServiceReference(
org.osgi.service.startlevel.StartLevel.class.getName());
if (ref == null)
{
out.println("StartLevel service is unavailable.");
return;
}
StartLevel sl = (StartLevel) m_context.getService(ref);
if (sl == null)
{
out.println("StartLevel service is unavailable.");
return;
}
// Parse command line.
StringTokenizer st = new StringTokenizer(s, " ");
// Ignore the command name.
st.nextToken();
if (st.countTokens() == 0)
{
out.println("Level " + sl.getStartLevel());
}
else if (st.countTokens() >= 1)
{
String levelStr = st.nextToken().trim();
try {
int level = Integer.parseInt(levelStr);
sl.setStartLevel(level);
} catch (NumberFormatException ex) {
err.println("Unable to parse integer '" + levelStr + "'.");
} catch (Exception ex) {
err.println(ex.toString());
}
}
}
}