/*
* 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.CdCommand;
import org.osgi.framework.BundleContext;
public class CdCommandImpl implements CdCommand
{
private BundleContext m_context = null;
private String m_baseURL = "";
public CdCommandImpl(BundleContext context)
{
m_context = context;
// See if the initial base URL is specified.
String baseURL = m_context.getProperty(BASE_URL_PROPERTY);
setBaseURL(baseURL);
}
public String getName()
{
return "cd";
}
public String getUsage()
{
return "cd [<base-URL>]";
}
public String getShortDescription()
{
return "change or display base URL.";
}
public void execute(String s, PrintStream out, PrintStream err)
{
StringTokenizer st = new StringTokenizer(s, " ");
// Ignore the command name.
st.nextToken();
// No more tokens means to display the base URL,
// otherwise set the base URL.
if (st.countTokens() == 0)
{
out.println(m_baseURL);
}
else if (st.countTokens() == 1)
{
setBaseURL(st.nextToken());
}
else
{
err.println("Incorrect number of arguments");
}
}
public String getBaseURL()
{
return m_baseURL;
}
public void setBaseURL(String s)
{
m_baseURL = (s == null) ? "" : s;
}
}