/*
* i-OSGi - Tunable Bundle Isolation for OSGi
* Copyright (C) 2011 Sven Schulz
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.iosgi.impl;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.net.URI;
import org.iosgi.IsolatedFramework;
import org.iosgi.IsolationAdmin;
import org.iosgi.util.io.Streams;
import org.osgi.framework.Bundle;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* @author Sven Schulz
*/
public class BundleOperation extends AbstractOperation {
private static final Logger LOGGER = LoggerFactory
.getLogger(BundleOperation.class);
public enum Type {
INSTALL, UNINSTALL
}
private final Type type;
private final String location;
public BundleOperation(final Type type, final String target,
final String location) {
super(target);
this.type = type;
this.location = location;
}
@Override
public void perform(IsolationAdmin admin) throws Exception {
switch (type) {
case INSTALL: {
IsolatedFramework fw = admin.getIsolatedFramework(URI.create(this
.getTarget()));
byte[] data = null;
/*
* File may not be accessible from remote isolation environment.
* Thus, install with prefetched bundle data.
*/
if (location.startsWith("file:")) {
File f = new File(URI.create(location));
ByteArrayOutputStream baos = new ByteArrayOutputStream();
Streams.drain(new FileInputStream(f), baos).get();
data = baos.toByteArray();
}
fw.installBundle(location, data);
break;
}
case UNINSTALL: {
Bundle b = admin.getBundle(location);
if (b == null) {
LOGGER.warn("bundle with location {} not found", location);
return;
}
b.uninstall();
break;
}
}
}
@Override
public String toString() {
StringBuilder b = new StringBuilder();
b.append(super.toString()).append('[').append(type).append(' ')
.append(location).append(']');
return b.toString();
}
}