Package org.apache.felix.sigil.common.runtime.io

Source Code of org.apache.felix.sigil.common.runtime.io.UpdateAction$Update

/*
* 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.sigil.common.runtime.io;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;

import org.osgi.framework.Bundle;
import org.osgi.framework.BundleException;
import org.osgi.framework.launch.Framework;

import static org.apache.felix.sigil.common.runtime.io.Constants.UPDATE;

/**
* @author dave
*
*/
public class UpdateAction extends Action<UpdateAction.Update, Void>
{
    public static class Update
    {
        final long bundleID;
        final String location;

        public Update(long bundleID, String location)
        {
            this.bundleID = bundleID;
            this.location = location;
        }
    }

    public UpdateAction(DataInputStream in, DataOutputStream out) throws IOException
    {
        super(in, out);
        // TODO Auto-generated constructor stub
    }

    @Override
    public Void client(Update update) throws IOException, BundleException
    {
        writeInt(UPDATE);
        writeLong(update.bundleID);
        if (update.location == null)
        {
            writeBoolean(false);
        }
        else
        {
            writeBoolean(true);
            writeString(update.location);
        }
        flush();

        if (!checkOk())
        {
            String msg = readString();
            throw new BundleException(msg);
        }

        return null;
    }

    @Override
    public void server(Framework fw) throws IOException
    {
        long id = readLong();
        Bundle b = fw.getBundleContext().getBundle(id);
        if (b == null)
        {
            writeError();
            writeString("Unknown bundle " + id);
        }
        else
        {
            try
            {
                boolean remote = readBoolean();
                if (remote)
                {
                    String loc = readString();
                    try
                    {
                        InputStream in = open(loc);
                        try
                        {
                            b.update(in);
                            writeOk();
                        }
                        finally
                        {
                            in.close();
                        }
                    }
                    catch (IOException e)
                    {
                        writeError();
                        writeThrowable(e);
                    }
                }
                else
                {
                    b.update();
                    writeOk();
                }
            }
            catch (BundleException e)
            {
                writeError();
                writeString(e.getMessage());
            }
        }

        flush();
    }

    private InputStream open(String loc) throws IOException
    {
        URL url = new URL(loc);
        return url.openStream();
    }
}
TOP

Related Classes of org.apache.felix.sigil.common.runtime.io.UpdateAction$Update

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.