/*
* 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.*;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.StringTokenizer;
import org.apache.felix.shell.CdCommand;
import org.apache.felix.shell.Command;
import org.osgi.framework.*;
public class UpdateCommandImpl implements Command
{
private BundleContext m_context = null;
public UpdateCommandImpl(BundleContext context)
{
m_context = context;
}
public String getName()
{
return "update";
}
public String getUsage()
{
return "update <id> [<URL>]";
}
public String getShortDescription()
{
return "update bundle.";
}
public void execute(String s, PrintStream out, PrintStream err)
{
StringTokenizer st = new StringTokenizer(s, " ");
// Ignore the command name.
st.nextToken();
// There should be at least a bundle ID, but there may
// also be a URL.
if ((st.countTokens() == 1) || (st.countTokens() == 2))
{
String id = st.nextToken().trim();
String location = st.countTokens() == 0 ? null : st.nextToken().trim();
if (location != null)
{
location = absoluteLocation(location);
if (location == null)
{
err.println("Malformed location: " + location);
}
}
try
{
// Get the bundle id.
long l = Long.parseLong(id);
// Get the bundle.
Bundle bundle = m_context.getBundle(l);
if (bundle != null)
{
// Create input stream from location if present
// and use it to update, otherwise just update.
if (location != null)
{
InputStream is = new URL(location).openStream();
bundle.update(is);
}
else
{
bundle.update();
}
}
else
{
err.println("Bundle ID " + id + " is invalid.");
}
}
catch (NumberFormatException ex)
{
err.println("Unable to parse id '" + id + "'.");
}
catch (MalformedURLException ex)
{
err.println("Unable to parse URL.");
}
catch (IOException ex)
{
err.println("Unable to open input stream: " + ex);
}
catch (BundleException ex)
{
if (ex.getNestedException() != null)
{
err.println(ex.getNestedException().toString());
}
else
{
err.println(ex.toString());
}
}
catch (Exception ex)
{
err.println(ex.toString());
}
}
else
{
err.println("Incorrect number of arguments");
}
}
private String absoluteLocation(String location)
{
try
{
new URL(location);
}
catch (MalformedURLException ex)
{
// Try to create a valid URL using the base URL
// contained in the "cd" command service.
String baseURL = "";
try
{
// Get a reference to the "cd" command service.
ServiceReference ref = m_context.getServiceReference(
org.apache.felix.shell.CdCommand.class.getName());
if (ref != null)
{
CdCommand cd = (CdCommand) m_context.getService(ref);
baseURL = cd.getBaseURL();
baseURL = (baseURL == null) ? "" : baseURL;
m_context.ungetService(ref);
}
String theURL = baseURL + location;
new URL(theURL);
location = theURL;
}
catch (Exception ex2)
{
// Just fall through and return the original location.
}
}
return location;
}
}